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This is Alan Pope with the eleventh screencast in the Ubuntu Month of screencasts.

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All the screencasts in this month can be downloaded for free from our website,

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which is screencasts.ubuntu.com

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In this screencast we are going to look at updating and upgrading the system.

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First of all we will look at applying some updates to a system.

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Now this system is running Ubuntu 6.06 Dapper Drake

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and you can see here, we have some updates waiting.

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The little orange icon shows there are 16 updates pending

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Now that little orange icon, if I click on it will start the update manager.

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Which you can also get to from System -> Administration -> Update Manager.

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The Update Manager is the tool that allows us to update and upgrade the system

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and also perform a distribution upgrade.

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That is to upgrade the system from one release to another.

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Right now we're just going to apply some updates.

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Along with that we also have the Software Properties application.

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Which in later releases of Ubuntu is called Software Sources.

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We need our password to run these, because they make fundamental changes to the system

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and so for our own protection we need a password.

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Software Preferences here show us the various channels as they are called in 6.06

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and these are repositories where software can be downloaded from.

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And over here on the right we have buttons to manage these channels.

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We can add additional channels, remove them, edit existing channels

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and also add CD-ROMS.

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We can switch off certain channels and turn them back on again.

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By switching off a channel,

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you stop the system being able to get updates from that channel.

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You stop software updates coming from there.

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If we click edit, you can see that each channel is further divided into components

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and these components relate to the main, restricted, universe

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and multiverse repositories.

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So within one channel we have a number of components,

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which groups together software based on certain criteria about the software,

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such as their supportability or their license.

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Again we can switch off the individual components.

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You may want only officially supported software,

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in which case you could switch off the other three components,

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leaving only officially supported and then tick the others

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as and when you choose you want to add software from those repositories.

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But once you switch one of these on, it makes sense to leave it switched on,

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You can see the components there are called main, restricted,

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universe and multiverse.

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All I did there was click the Custom button.

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We can add additional channels

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and by clicking custom I can paste in here a line for a third party repository.

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You'll see that in the next screencast, installing applications.

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Now you can see here we have the many different channels

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There's a channel here for updates to software.

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There's one for backports, which is software that's been

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ported back to this version of Ubuntu from a higher release.

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This is 6.06 and this channel contains software

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that has been ported back from a higher release of Ubuntu.

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There's another one here that I've manually added in here, dapper-proposed.

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This is for packages that have been maybe updated in some way

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and they are not in the main repository yet.

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They're just in there being tested by people who have that repository enabled.

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And finally there's the security updates channel where

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updates to packages that have had security vulnerabilities for example get put. 

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You'll notice also that all of mine have Binary next to them.

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I don't have repositories for source code to download,

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if I wanted to I could add those in

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and that would allow me download the source code

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for any application in the repositories.

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The system checks for updates on a regular basis,

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mine is set to check every day

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and if there are any updates

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the little orange icon in the top right of the screen will be displayed,

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as you can see there.

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We can get it to download updates in the background, but not actually install them.

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That's useful if you leave your PC on, you can download the updates,

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and then when you get back to your desk and you click the update,

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it will install them from the local cache.

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And there's an extra option here for installing security updates without confirmation.

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Some people might prefer to do that.

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The authentication tab is where you can add a cryptographic key, 

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so that you can authenticate or validate that packages are coming from

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the source that they appear to be coming from.

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The packages supplied by Ubuntu are cryptographically signed

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and many third party vendors also cryptographically sign theirs.

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So if you were to add a custom channel in here

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and add someone's third party repository,

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you may also then go to the authentication tab

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and import the key from that third party.

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So that you can prove that those packages do come from

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where they say they come from.

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Now if you make any changes in the Software Preferences,

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at the point when you close it asks you to reload.

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What that means is update, so this is what we call update,

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it's going on-line to find out what packages are in those repositories.

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It's not actually downloading or installing any packages,

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it's just updating the local list.

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So update is updating the local list of packages that are in an on-line repository.

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You can see here there are 16 updates waiting on the system

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and if I click on that...

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...we can see all of those 16 updates.

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We can see the names of the packages listed here

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and it's a short list it's not a huge number of updates.

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Now these are packages where the software may have had bugs

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or there may have been security holes in those packages.

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And so they have been updated and put in the repository

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my system has checked the repository

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and I can force it to check the repository by clicking the Check button.

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And now that my system knows that there are updated packages in the repository,

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I can then choose to update those packages.

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Notice the little icon in the top goes gray while this program is running,

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you should only have one package management program running at once.

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So if I highlight one of these applications, libcurl3,

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which is apparently a multi-protocol file transfer library.

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We can see the new version number

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and down here if I click show details,

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we can even see the changes that were made.

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Now this isn't always maintained, but most of the time it is.

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LP stands for Launchpad, which is the website launchpad.net

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and this bug number 137849,

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is basically the reason why this package was updated,

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because there was a bug in that application.

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There's also a description of what the package is.

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So based on this information you could actually pick and choose

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which updates you want to install.

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So for example here, linux-image, is a package that contains the Linux kernel.

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This is a pretty fundamental part of our system

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and you can see there are a number of changes made here.

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This CVE number here refers to a public security vulnerability list.

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So you could search for that number on-line

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and find out more details about that security vulnerability

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and what the impact of it is.

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and you could make a decision for your self whether you install these updates or not.

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Generally it's recommended that you just install them,

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but you can untick them and choose not to install certain updates

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For example if you were to update this package here,

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it's quite large, it's 8 MB in size.

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And if you have a low speed Internet connection,

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now might not be a convenient time to do that.

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So you might choose not to upgrade that right now.

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You can see the total changes down the bottom as you tick and untick the packages.

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If I hit install updates, you can see it now downloads the packages.

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So this is going to the on-line repositories,

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that we have in our Software Properties,

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downloading the new versions of these packages,

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It will store them locally, so it downloads them all first.

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and then stores them locally

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and then it will install them from that staging area on your local hard drive.

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So now it's unpacking those packages and going to install the packages.

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And once that's finished our system will be up to date.

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Now for most of the packages it's going to install,

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we don't need to restart the system.

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There are very few occasions when you need to reboot the system.

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But in this example we are replacing the Linux kernel.

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and if we replace the Linux kernel we do need to reboot for the changes to take effect.

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You can see there it's now doing Linux modules

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and various other bits to do with the kernel.

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There's also xserver,

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xserver is the core component behind this graphical windowing interface,

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so you might need to restart the graphical environment

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and not just the whole PC

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So now it's finished doing the updates.

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There we go, all the updates are done.

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You can look at that text and read it, most people don't though.

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When I click close it goes again to check if there are any updates pending.

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and there we can see it says the system is up to date.

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We can even force it to go on-line and check that there are no new packages,

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it's not likely that there are in the

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two or three minutes between me last checking and now.

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but you never know.

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So now I've performed those updates you can see here it's telling me I need to restart.

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And I need to restart because as I said the kernel has been upgraded.

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If you click the icon and then you can choose either restart later or restart now.

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So that's doing updates, let's have a look at doing a distribution upgrade.

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Now again we've got Ubuntu 6.06 Dapper Drake

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and if I run the Update Manager, on Dapper Drake,

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to see if there are any updates, any changes to packages.

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When can see if there are any pending changes.

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And there aren't any.

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Now it says my system is up to date.

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I can force it to check and because I've just done all these updates,

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the system is up to date.

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But what if I wanted to upgrade to the next version of Ubuntu.

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This is 6.06, what if I wanted to upgrade to 6.10?

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Ubuntu supports upgrades, full upgrades, they're called distribution upgrades.

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from one release to the next release.

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You can't skip releases, you have to go directly from one release to the next,

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and this is all quite well documented on the Ubuntu documentation website

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and the community wiki.

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If you go to wiki.ubuntu.com, you can search for the word upgrade

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and there are many pages, including this one.

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This one is about upgrades to Dapper,

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this is upgrading from an older release to version 6.06

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and it gives you information about things you should do

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before you attempt to upgrade your system

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before you do a distribution upgrade.

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And tells you which versions you can upgrade from.

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Similarly there's another page called EdgyUpgrades

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and this is useful for people going to Edgy, which is want I'm about to do.

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So I want to upgrade from version 6.06 to 6.10

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and it gives me how to do it just here.

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So if you want to upgrade from 6.06 to 6.10,

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run the following command, press Alt+F2.

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So if I press Alt+F2, I'll get a dialog box pop up

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and I can type that command in.

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and there is our dialog, so I just pressed Alt + F2

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and I type in exactly what it says, sudo update-manager -c.

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Now update-manager is the Update Manager program we have been using all along.

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Now what we are saying is pass it a parameter -c.

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Now the -c is going to check for distribution upgrades,

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to see if there is another release after the version I am currently on.

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Now 6.06 doesn't automatically show you that, you have to tell it to show you that.

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because 6.06 is a long term support release,

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so it doesn't automatically offer upgrades to the next version.

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So you can see here there is a new distribution release (6.10) available.

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So I'm currently on 6.06 and if I press this button,

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I can upgrade to 6.10

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Now as soon as I do that I will no longer be on the long term support release,

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I will no longer be on Dapper.

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So you need to think carefully about why you're currently running Dapper,

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as to whether you would upgrade to the next version.

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And once you start the upgrade, it does a lot of preparation

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and disables, as part of the preparation, any third party sources.

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So remember I said, in the Software Properties, you can add third party repositories.

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They get disabled during the upgrade, because they can cause problems for the upgrade,

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the upgrade could fail.

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It's going to update the software channels

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and make them reflect the new release.

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So at the moment the software channels point to

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the repositories for Dapper, which is 6.06,

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this is going to modify them and point them to the repositories for Edgy, 6.10

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Now we get a summary here saying are you sure you want to do this?

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So this is the last part at which we can back out.

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901 packages upgraded, it gives me an estimated time of how long it's going to take.

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So it reckons about an hour

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and there's lots and lots of packages that are going to get changed.

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Now I have a relatively fast Internet connection here,

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so I'm lucky in that when I click start upgrade it will go pretty quickly.

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But I'm going to fast forward through most of this.

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Because you don't really want to sit and watch my upgrade run for an hour.

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So what I'm going to do is just pause it at points when interesting things occur.

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So you can see there, it's fetching the packages.

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If we go back to the website, wiki.ubuntu.com

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Again you can search for the upgrade pages,

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In the top right hand corner of the web site there's a search function.

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or you can do as I've done here, just put the word upgrades on the end

241
00:17:45,878 --> 00:17:49,409
and it finds all pages with the word upgrades in.

242
00:17:49,510 --> 00:17:53,970
So there's a separate page for each release.

243
00:17:54,616 --> 00:17:57,320
and the page we're following is EdgyUpgrades,

244
00:17:57,441 --> 00:18:02,183
because we are upgrading to Edgy, which is 6.10

245
00:18:05,432 --> 00:18:10,820
So you can see here it says this is the method we are "Upgrading using Update Manager".

246
00:18:10,921 --> 00:18:15,442
And down here is the not recommended method, which is using the command-line,

247
00:18:15,542 --> 00:18:19,820
a terminal, to actually type a bunch of commands in, to do the upgrade.

248
00:18:19,941 --> 00:18:26,399
Generally this isn't necessary, in some circumstances it has been found to be required.

249
00:18:26,500 --> 00:18:33,119
but most of the time you can upgrade using Update Manager, as we are here.

250
00:18:33,441 --> 00:18:36,368
So we've skipped a bit of time there to

251
00:18:36,468 --> 00:18:40,726
make things move along a little bit quicker in the screencast.

252
00:18:42,179 --> 00:18:44,197
Not long now.

253
00:18:44,742 --> 00:18:47,850
So it's going to need a quite a bit of disk space for this upgrade,

254
00:18:47,951 --> 00:18:53,722
because it needs enough space for all of the packages in their compresses form, the .debs

255
00:18:53,822 --> 00:18:56,911
these Debian archives,

256
00:18:57,011 --> 00:19:02,621
to be stored on my hard drive along with the packages as they're unpacked as well.

257
00:19:02,742 --> 00:19:08,716
and disk space checking is one of the things the Update Manager does.

258
00:19:09,705 --> 00:19:14,649
So now it's starting to go about actually go about installing the various packages.

259
00:19:14,750 --> 00:19:18,483
and sometimes it will stop and ask you questions.

260
00:19:18,604 --> 00:19:22,478
For example if there are configuration files that you have changed,

261
00:19:22,599 --> 00:19:25,566
global configuration files that you have changed.

262
00:19:25,667 --> 00:19:30,530
that there is a new version of in the new release.

263
00:19:30,631 --> 00:19:34,849
It might ask you to just compare and in fact here is an example right now.

264
00:19:34,970 --> 00:19:40,055
This configuration file has differences and it shows the differences,

265
00:19:40,156 --> 00:19:42,275
with one file has the minus signs in front

266
00:19:42,375 --> 00:19:44,374
and the other file has plus signs in front.

267
00:19:44,474 --> 00:19:48,430
So you can see both lines and compare the two at once.

268
00:19:48,550 --> 00:19:52,829
So you can see three lines from the old file and three lines from the new file.

269
00:19:52,950 --> 00:19:57,208
and you decide whether you want to keep the file,

270
00:19:57,309 --> 00:20:01,466
which you might do if you've made changes to that, if you knowingly made changes

271
00:20:01,587 --> 00:20:06,793
or you can replace it if you don't think you've made a change to that file,

272
00:20:06,894 --> 00:20:11,132
or you don't care if that file gets replaced.

273
00:20:11,838 --> 00:20:16,581
So if I hit replace, I'll be taking the new version of the file.

274
00:20:16,681 --> 00:20:19,143
Now you noticed the background just changed,

275
00:20:19,243 --> 00:20:25,661
because that's been updated in the new version of Ubuntu.

276
00:20:27,982 --> 00:20:31,010
Generally I would just leave this alone,

277
00:20:31,191 --> 00:20:36,256
walk away, watch TV, get a cup of tea or something,

278
00:20:37,285 --> 00:20:39,404
because it can take some time.

279
00:20:39,545 --> 00:20:43,662
Here's another file that's been changed in the upgrade,

280
00:20:43,783 --> 00:20:46,366
looks like it's just got lots of extra comments in it.

281
00:20:46,478 --> 00:20:53,358
So we'll just take the new version, by replacing my existing version.

282
00:20:58,884 --> 00:21:01,359
And we are nearly done.

283
00:21:01,481 --> 00:21:03,196
There we go it's cleaning up

284
00:21:03,296 --> 00:21:06,768
and what it's going to do is check for any packages which are no longer supported.

285
00:21:06,868 --> 00:21:10,219
or packages that are no longer required,

286
00:21:10,319 --> 00:21:14,271
maybe they've been replaced or obsoleted.

287
00:21:14,759 --> 00:21:21,136
Okay, here are some packages which are not in the main repository any more,

288
00:21:21,259 --> 00:21:25,979
they've been moved to the universe repository and are so maintained by the community,

289
00:21:26,100 --> 00:21:29,026
and not maintained directly by canonical.

290
00:21:29,151 --> 00:21:32,295
It's a kind of informational message.

291
00:21:34,677 --> 00:21:38,026
and it will also give us a list of packages that will be removed,

292
00:21:38,133 --> 00:21:41,881
because there are some packages that get renamed in the upgrade,

293
00:21:42,008 --> 00:21:47,470
names change or version change so fundamentally that the old ones are now useless.

294
00:21:47,604 --> 00:21:53,106
So some of these packages, well all of the these are now going to be removed.

295
00:21:53,222 --> 00:21:57,137
You can skip it of course and leave them, but it's kind of pointless leaving them,

296
00:21:57,258 --> 00:22:01,744
unless you explicitly know you need one of those packages.

297
00:22:01,859 --> 00:22:06,076
You'll notice at the top-right it says system restart required.

298
00:22:06,197 --> 00:22:09,023
And it needs a restart, it definitely needs a restart

299
00:22:09,142 --> 00:22:11,928
because right now we've got a brand new kernel,

300
00:22:12,028 --> 00:22:15,763
brand new video drivers, brand new everything,

301
00:22:15,884 --> 00:22:21,917
and so we really need to restart for those changes to take effect.

302
00:22:22,595 --> 00:22:24,580
There we go, that's it!

303
00:22:24,682 --> 00:22:30,675
That's an upgrade, a distribution upgrade from 6.06 to 6.10, done

304
00:22:31,584 --> 00:22:37,718
Now if I restart, the hostname still says Dapper, so the name of the computer says Dapper,

305
00:22:37,839 --> 00:22:41,234
but I'll change that later on.

306
00:22:41,894 --> 00:22:46,170
And if we log on, we're now running the same machine,

307
00:22:46,274 --> 00:22:51,299
but it's now running a newer version of Ubuntu, it's running 6.10

308
00:22:55,698 --> 00:22:59,791
Everything seems to be working okay so far.

309
00:23:00,285 --> 00:23:04,034
And if we go to the Update Manager,

310
00:23:04,134 --> 00:23:07,907
actually if we look in Software Sources first.

311
00:23:08,836 --> 00:23:10,773
Of course we need to type in our password,

312
00:23:10,873 --> 00:23:14,023
because this can make fundamental changes to the system.

313
00:23:15,152 --> 00:23:19,832
You can see now it says we are running Ubuntu 6.10

314
00:23:20,904 --> 00:23:24,414
Yeah, that works and this whole interface has changed actually,

315
00:23:24,533 --> 00:23:28,026
from what we were looking at earlier in 6.06

316
00:23:28,168 --> 00:23:30,711
So you can see we've definitely got, if nothing else,

317
00:23:30,811 --> 00:23:33,747
a new version of the Software Sources application.

318
00:23:33,919 --> 00:23:35,923
which is great.

319
00:23:38,036 --> 00:23:42,031
So that's distribution upgrading.

320
00:23:44,904 --> 00:23:51,346
Now let's look at distribution upgrading from Feisty to Gutsy.

321
00:23:51,455 --> 00:23:55,625
Now the system I'm running here, let's check Software Sources.

322
00:23:56,379 --> 00:24:01,202
You can see it no longer has the version number next to Ubuntu software.

323
00:24:03,790 --> 00:24:06,731
But this looks familiar and if you look under updates

324
00:24:06,831 --> 00:24:09,597
you can now see it says feisty security, feisty updates,

325
00:24:09,697 --> 00:24:16,574
so this system we're looking at now is Ubuntu Feisty version 7.04

326
00:24:17,069 --> 00:24:22,310
Now what I'm going to do is upgrade this to Gutsy,

327
00:24:22,429 --> 00:24:25,816
which is currently under development, I don't recommend you do this right now.

328
00:24:25,943 --> 00:24:29,389
Wait until October, when Gutsy is released.

329
00:24:29,494 --> 00:24:32,319
If we run update manager...

330
00:24:34,337 --> 00:24:42,453
...there are no updates waiting, no packages that are pending upgrade.

331
00:24:42,732 --> 00:24:48,181
And if we go and have a look at the Software Sources,

332
00:24:48,313 --> 00:24:52,277
I'm going to switch on one of the updates.

333
00:24:52,398 --> 00:24:56,548
There is a repository called Feisty proposed

334
00:24:56,656 --> 00:24:58,671
and these are pre-released updates.

335
00:24:58,775 --> 00:25:01,319
And now the reason why I'm switching this one on

336
00:25:01,419 --> 00:25:04,749
is in order to upgrade from Feisty to Gutsy,

337
00:25:04,849 --> 00:25:10,358
so that is from 7.04 to 7.10, there's an known bug in the update manager

338
00:25:10,463 --> 00:25:15,686
and we want to kind of work around that, in this screencast.

339
00:25:15,790 --> 00:25:18,693
So by switching on pre-release updates

340
00:25:18,793 --> 00:25:23,195
there are going to be some extra updates that I'm going to see in the Update Manger,

341
00:25:23,295 --> 00:25:26,182
which we didn't see just now.

342
00:25:28,161 --> 00:25:32,945
And one of them is going to be an update to the Update Manager itself.

343
00:25:34,677 --> 00:25:39,781
So starting the update manager now, now that we've added to Feisty proposed repository,

344
00:25:39,906 --> 00:25:46,553
you can see 16 updates, and one of them is Update Manager.

345
00:25:47,048 --> 00:25:57,817
Now you'll notice that the version number has gone from 1.0.59.23 to 1.0.59.25

346
00:25:57,922 --> 00:25:59,859
and I'm going to untick all of them

347
00:25:59,959 --> 00:26:03,463
and then just tick Update Manager and Update Manager Core,

348
00:26:03,563 --> 00:26:06,862
because those are the only two packages I really need right now

349
00:26:06,962 --> 00:26:10,999
to perform the upgrade to Gutsy.

350
00:26:11,463 --> 00:26:15,156
And again I wouldn't recommend that you install Gutsy right now.

351
00:26:15,271 --> 00:26:18,566
or upgrade to it, because it's a little unstable,

352
00:26:18,666 --> 00:26:25,347
it's only three weeks until it's released, the current date.

353
00:26:25,629 --> 00:26:29,357
But right now I wouldn't upgrade to it.

354
00:26:30,210 --> 00:26:35,790
Although I have to say I do run it on all my systems and it works pretty well for me.

355
00:26:36,163 --> 00:26:41,935
So if we go to launchpad there's a bug 141060,

356
00:26:42,035 --> 00:26:44,921
which is the bug that I'm working around,

357
00:26:45,021 --> 00:26:50,693
so this is the reason why I've added that Feisty proposed repository to 

358
00:26:50,814 --> 00:26:54,829
so that can get the newer version of Update Manager.

359
00:26:54,960 --> 00:26:59,790
which I know will now allow me to upgrade to Gutsy.

360
00:27:01,630 --> 00:27:07,599
Now previously to upgrade from Dapper to Edgy, from 6.06 to 6.10,

361
00:27:07,724 --> 00:27:15,554
I pressed Alt + F2 and I ran update-manger -c

362
00:27:17,128 --> 00:27:21,728
like this gksu update-manager -c

363
00:27:21,830 --> 00:27:26,980
Now that's what I did to go from Dapper, which is a currently supported release,

364
00:27:27,097 --> 00:27:29,720
to Edgy, which is another currently supported release.

365
00:27:29,830 --> 00:27:34,336
But what I want to do is go from Feisty, which is also a currently supported release,

366
00:27:34,442 --> 00:27:38,599
to Gutsy which is a development release, it's not currently released yet

367
00:27:38,718 --> 00:27:42,292
and you can see it doesn't actually offer me, at the top of the Update Manager window,

368
00:27:42,429 --> 00:27:45,380
it doesn't offer me the upgrade to Gutsy.

369
00:27:45,501 --> 00:27:50,767
What you have to do is run update-manager -c -d, to upgrade

370
00:27:50,869 --> 00:27:56,277
and what the -d means effectively upgrade to the development release.

371
00:27:56,389 --> 00:28:01,458
So you can see now it's offering me the option of upgrading to 7.10

372
00:28:01,584 --> 00:28:05,297
And this is the way in which you can upgrade to the next release,

373
00:28:05,397 --> 00:28:09,051
even if that next version hasn't actually been released yet.

374
00:28:09,151 --> 00:28:12,280
So you can see here it says, this is a development snapshot,

375
00:28:12,380 --> 00:28:14,620
it's not the final version yet.

376
00:28:14,732 --> 00:28:18,934
So it's generally recommended you don't do what I'm about to do,

377
00:28:19,060 --> 00:28:22,676
but it's worth knowing how to do it.

378
00:28:23,254 --> 00:28:27,112
And now it starts doing the upgrade and it's running through the upgrade

379
00:28:27,220 --> 00:28:32,656
in exactly the same way as it ran from Dapper to Edgy.

380
00:28:33,892 --> 00:28:36,455
Everything's working in much the same way,

381
00:28:36,555 --> 00:28:43,397
you can see there it says it's upgrading Ubuntu to version 7.10

382
00:28:48,401 --> 00:28:50,399
Okay

383
00:28:55,171 --> 00:28:58,470
And it's doing pretty much the same thing.

384
00:28:58,800 --> 00:29:02,406
Now I'm not going to show you this right to the end.

385
00:29:02,511 --> 00:29:07,330
because it works in pretty much the same way as in every distribution upgrade.

386
00:29:07,460 --> 00:29:10,397
Shows you a list of packages that are no longer supported.

387
00:29:10,511 --> 00:29:15,119
and so on, so this is all pretty much the same as it was

388
00:29:15,220 --> 00:29:20,104
with the distribution upgrade we just did from Dapper to Edgy.

389
00:29:22,718 --> 00:29:26,683
So now it says it's going to upgrade 870 packages

390
00:29:26,783 --> 00:29:30,658
and it's going to take some time to do it.

391
00:29:31,062 --> 00:29:32,453
Hit start

392
00:29:33,201 --> 00:29:34,593
and that's it.

393
00:29:34,697 --> 00:29:39,518
So that's how we upgrade from a currently released version of Ubuntu

394
00:29:39,658 --> 00:29:42,411
to the next release which is still under development.

395
00:29:42,511 --> 00:29:46,058
use update-manger -c -d

396
00:29:46,822 --> 00:29:50,111
Once that version Gutsy is released,

397
00:29:50,211 --> 00:29:53,543
we won't need the -d, in fact you don't need the -c either,

398
00:29:53,643 --> 00:29:58,676
because Feisty will offer an upgrade to Gutsy, once Gutsy is released.

399
00:30:01,315 --> 00:30:05,488
Okay, so once we upgrade to Gutsy, which we have now done.

400
00:30:05,609 --> 00:30:11,213
This is my Gutsy version 7.10 system, how do we apply updates here?

401
00:30:11,320 --> 00:30:16,547
Well it's actually exactly the same as we have seen in previous releases.

402
00:30:17,233 --> 00:30:20,603
The Update Manager has changed slightly, it's been updated,

403
00:30:20,703 --> 00:30:24,155
it's got a new icon for a start.

404
00:30:24,982 --> 00:30:27,061
And you can see some of the added features,

405
00:30:27,161 --> 00:30:29,483
I'll show you a couple of features that are quite nice

406
00:30:29,583 --> 00:30:35,130
First we will check and see if there are any new packages.

407
00:30:47,666 --> 00:30:53,274
Two of the things that are quite good with the new version of Update Manager,

408
00:30:53,374 --> 00:30:59,025
it shows you the version, this has been around since Feisty actually,

409
00:30:59,125 --> 00:31:04,091
it shows you the old version of a package that you currently have.

410
00:31:04,212 --> 00:31:05,710
and the new version.

411
00:31:05,826 --> 00:31:09,579
Whereas Update Manager in Dapper, that we saw right at the beginning of the screencast,

412
00:31:09,686 --> 00:31:12,491
only shows you the new version of the package.

413
00:31:13,480 --> 00:31:16,873
So here you can see a bunch of packages that need upgrading

414
00:31:16,985 --> 00:31:19,669
and you can see the from version and the to version.

415
00:31:19,790 --> 00:31:24,513
So the from version is what I'm currently on and the to version what I'm going to.

416
00:31:24,654 --> 00:31:30,683
Another nice feature is that these launchpad bugs LP for example,

417
00:31:30,809 --> 00:31:34,461
link to Launchpad, so you can actually click those links

418
00:31:34,561 --> 00:31:37,026
and it will take you straight to Launchpad,

419
00:31:37,126 --> 00:31:39,789
where you can then view the bug

420
00:31:39,889 --> 00:31:45,198
and then that will help you decide whether you want to upgrade that package or not.

421
00:31:45,338 --> 00:31:50,603
So for example if I click that link, it will open up my web browser Firefox,

422
00:31:50,726 --> 00:31:55,852
and take me directly to bug number 144001

423
00:31:55,954 --> 00:32:00,259
and you can see here the status of this bug is fix released.

424
00:32:00,372 --> 00:32:07,006
And the package is apt and sure enough that's this apt package.

425
00:32:09,398 --> 00:32:17,068
So updates in Dapper, Feisty and Gutsy are all pretty straightforward to do.

426
00:32:17,810 --> 00:32:23,156
And there you can see a simple click of the install will download the packages

427
00:32:23,276 --> 00:32:26,787
and update them on my local machine.

428
00:32:27,954 --> 00:32:32,197
The Software Sources application under Gutsy

429
00:32:32,297 --> 00:32:38,492
again looks much the same as it does under previous releases.

430
00:32:39,279 --> 00:32:42,830
Let's have a look at it while those packages are downloading and installing.

431
00:32:42,965 --> 00:32:49,068
Again it's grouped everything into main, universe, restricted and multiverse.

432
00:32:49,892 --> 00:32:52,920
and we have our option for downloading source code

433
00:32:53,020 --> 00:32:57,875
and where we get our packages from, what regional server.

434
00:32:57,975 --> 00:33:01,658
And then we can add CD-ROM repositories as well.

435
00:33:01,769 --> 00:33:07,510
We can also add in third party repositories, using the third party software tab.

436
00:33:07,624 --> 00:33:12,697
And we'll look at that in the next screencast, we'll add in a third party repository

437
00:33:12,820 --> 00:33:15,955
and we'll install some software from that third party repository.

438
00:33:16,087 --> 00:33:19,961
We can also add a CD-ROM and configure the updates.

439
00:33:20,078 --> 00:33:22,847
And you can see here Gutsy updates,

440
00:33:22,964 --> 00:33:27,408
Gutsy proposed and Gutsy backports don't make any sense right now to have those enabled.

441
00:33:27,508 --> 00:33:29,297
because there's nothing in them,

442
00:33:29,397 --> 00:33:34,491
because there is nothing to backport from, there isn't anything after Gutsy yet.

443
00:33:34,593 --> 00:33:41,493
and Gutsy proposed, well everything is still in the main Gutsy repository.

444
00:33:41,610 --> 00:33:46,057
So there's nothing proposed to go into Gutsy yet, because it has not been released yet.

445
00:33:46,679 --> 00:33:52,490
And we also get the same kind of options at the bottom to do with automatic updates.

446
00:33:53,727 --> 00:33:58,828
Again if we add third party repositories we can add their key,

447
00:33:58,929 --> 00:34:03,086
so that we can check the cryptographic signature

448
00:34:03,212 --> 00:34:06,154
And there is an extra little tab over here,

449
00:34:06,254 --> 00:34:13,421
which is to do with an application called popularity contest or popcon.

450
00:34:13,521 --> 00:34:18,200
And you may remember if you saw the screencast where we did installing Ubuntu

451
00:34:18,305 --> 00:34:24,214
we enabled popcon and enabling popcon ticks this little box..

452
00:34:24,355 --> 00:34:28,976
And it, as you can see from the text here it submits data back to Ubuntu,

453
00:34:29,109 --> 00:34:35,212
about which applications users have installed and how much they get used.

454
00:34:36,119 --> 00:34:39,026
The reason for keeping this information

455
00:34:39,126 --> 00:34:44,798
is so that they can figure out which applications are most popular

456
00:34:44,898 --> 00:34:49,359
and from that help to determine which applications need most focus

457
00:34:49,459 --> 00:34:55,493
and which applications will appear on CD-ROMs and DVDs.

458
00:34:57,727 --> 00:35:05,865
If we go to the website for the Popularity Contest, which is popcon.ubuntu.com

459
00:35:05,975 --> 00:35:13,998
you can actually see the results of the data that's been submitted to Ubuntu

460
00:35:14,441 --> 00:35:21,645
And that data is in the form of great long lists of packages, it's quite raw data.

461
00:35:23,240 --> 00:35:29,253
So if we go to popcon.ubuntu.com, and there's ReadMes and Frequently Asked Questions

462
00:35:29,359 --> 00:35:32,614
and all kind of other documentation here.

463
00:35:33,604 --> 00:35:37,870
And if we just click on one of the files,

464
00:35:38,819 --> 00:35:42,081
it shows us a list of packages in the first column

465
00:35:42,181 --> 00:35:44,752
and then how many people have it installed

466
00:35:44,852 --> 00:35:48,679
and number of people that use it regularly.

467
00:35:48,779 --> 00:35:52,016
number of people who have it installed who don't use it regularly and so on.

468
00:35:52,134 --> 00:35:57,239
And the last column is the name of the maintainer of that particular package.

469
00:35:57,344 --> 00:35:59,786
So as you can see there are a lot of packages at the top of the list,

470
00:35:59,907 --> 00:36:02,853
which are very popular, very common, everyone has them.

471
00:36:02,974 --> 00:36:05,840
And then near the middle towards the bottom,

472
00:36:05,940 --> 00:36:10,037
there are packages that are used slightly less.

473
00:36:10,304 --> 00:36:14,658
So yeah, very few people have some of these packages installed.

474
00:36:14,767 --> 00:36:18,871
Maybe that only one person uses one of these packages

475
00:36:19,299 --> 00:36:23,215
It's entirely likely that that's the author of the package.

476
00:36:23,537 --> 00:36:26,362
So that's just a brief introduction to what popcon is

477
00:36:26,507 --> 00:36:30,676
and how that provides useful information to Ubuntu.

478
00:36:31,418 --> 00:36:33,889
Maybe you should switch that on

479
00:36:34,018 --> 00:36:38,168
So here you can see the install of the updates is running

480
00:36:38,268 --> 00:36:43,656
in much the same way as it does in all releases.

481
00:36:45,521 --> 00:36:51,224
You can see down here it's updating my kernel, my Linux kernel.

482
00:36:52,531 --> 00:36:55,170
There we go it's nearly finished.

483
00:37:01,859 --> 00:37:03,836
Done

484
00:37:04,119 --> 00:37:13,159
So now I've got a system running Ubuntu Gutsy version 7.10, which is out in October 2007.

485
00:37:13,315 --> 00:37:17,961
And I've got all the latest packages on my system.

486
00:37:18,769 --> 00:37:21,644
Very straight forward, very easy.

487
00:37:25,273 --> 00:37:27,913
There we go, my system is up to date.

488
00:37:28,572 --> 00:37:33,191
So now you have seen how to update and upgrade,

489
00:37:33,686 --> 00:37:38,586
both older versions of Ubuntu, Dapper.

490
00:37:38,713 --> 00:37:43,500
But also newer versions such as Feisty and Gutsy.

491
00:37:44,820 --> 00:37:48,017
And we've upgraded the kernel, so it now needs to reboot.

492
00:37:48,131 --> 00:37:49,442
Thanks for watching,

493
00:37:49,563 --> 00:37:51,622
All our screencasts are available from our website,

494
00:37:51,727 --> 00:37:55,624
which is screencasts.ubuntu.com