CalendarServer

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THIS PAGE IS NOT FINISHED. DON'T FOLLOW ANY ADVISE IN IT UNTIL THIS LINE IS REMOVED. ## page was renamed from CalDAVServer
/!\ '''
THIS PAGE IS NOT FINISHED. DON'T FOLLOW ANY ADVICE IN IT UNTIL THIS LINE IS REMOVED. '''
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This page will explain how to install Apple's iCal Server on Ubuntu Server, though desktop variants should also work without any problems. This page explains how to install Apple's iCal Server (also called DCS or Darwin Calendar Server) on Ubuntu Server, though desktop variants should also work without any problems.
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What is CalDAV?
Explain that here, together with an explanation between CalDAV and WebDAV/webcal, with a link to a page describing how to make that happen.
== What is CalDAV? ==
CalDAV is a proposal for a standard protocol to enable calendar access via WebDAV. WebDAV, an abbreviation that stands for Web-based Distributed Authoring and Versioning, refers to the set of extensions to the Hypertext Transfer Protocol (HTTP) which allows users to collaboratively edit and manage files on remote World Wide Web servers.
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Install procedure for Ubuntu Server 7.10 == Install procedure for Ubuntu Server 7.10 ==
Installing Apple's iCal Server is fairly trivial once you know what to do. You do need to download some additional packages using apt-get, and you'll need to download some software using subversion. Most users will be familiar with apt-get, many with subversion. If you're not familiar with subversion, don't panic. This guide will be a detailed, step by step howto, showing exactly which commands to enter and when.
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Installing Apple's iCal Server is fairly trivial once you know what to do. We do need to download some additional packages using apt-get, and we need to download some software using subversion. Most users will be familiar with apt-get, many with subversion. If you're not familiar with subversion, don't panic though. This guide will be a detailed, step by step howto, showing exactly which commands to enter and when. To make this work you will need to enable the Universe repositories (see ["AddingRepositoriesHowto"] and remember to do an {{{ apt-get update }}} afterwards).
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* Log into the server console or via ssh, so you can enter commands, and run sudo -s to get a root shell.
* Install subversion: apt-get install subversion
* Execute the following commands. It's ok to simply copy and paste them. It's quite alot of packages, and it may take a while for all of them to download and install.
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apt-get install libkrb5-dev
apt-get attr
apt-get install attr
apt-get install subversion
apt-get install curl
apt-get install build-essential
apt-get install libssl-dev
apt-get install python-pysqlite2
apt-get install bzip2
apt-get install curl
apt-get install zope3
apt-get install python-xml
apt-get install python-pyopenssl
apt-get install python-dateutil
apt-get install python-xattr
apt-get install python-pysqlite2
apt-get install python-twisted
apt-get install python-vobject
apt-get install python-kerberos
 * Log into the server console or via ssh, so you can enter commands, and run {{{ sudo -s }}} to get a root shell.
 * Install some software:
 {{{ apt-get install subversion libkrb5-dev attr curl build-essential libssl-dev python-pysqlite2 bzip2 }}}
 * Install some more software:
 {{{ apt-get install curl zope3 python-xml python-pyopenssl python-dateutil python-xattr python-pysqlite2 python-twisted python-vobject python-kerberos }}}
 * We now need to edit our /etc/fstab file and add {{{ user_xattr }}} to the options for the partition containing the CalDAV server, / in this case: {{{ vim /etc/fstab }}}
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* We now need to edit our /etc/fstab file and add user_xattr to the partition containing the CalDAV server, / in this case. vim /etc/fstab.
My / before edit: UUID=94a96528-c889-45a1-bc98-d9d02ecdd59c / ext3 defaults,errors=remount-ro 0 1
After edit: UUID=94a96528-c889-45a1-bc98-d9d02ecdd59c / ext3 defaults,errors=remount-ro,user_xattr 0 1

* We must now remount the filesystem: mount -o remount /
* Make a directory for the server in /opt: mkdir /opt/iCalServer
* Let's download the server software itself using subversion:
svn checkout http://svn.macosforge.org/repository/calendarserver/CalendarServer/trunk CalendarServer
* Subversion created a directory for us, called CalendarServer. Let's change into it: cd CalendarServer
* And run a script to download some necessary packages, etc: ./run -s
* Ok. (Unless something is wrong and you got alot of errors, in which case, it's not ok) Our CalDAV server is almost ready for action. Let's copy the test configuration so we can get up as quickly as possible. Real configuration can wait:
cp conf/caldavd-test.plist conf/caldavd-dev.plist
* We do need to do some configuration though: vim conf/caldavd-test.plist

ADD PRECISE DESCRIPTION OF NECESSARY EDIT FOR EXTERNAL CONNECTIONS AND FOR EVOLUTION USERS!
 This is what the /etc/fstab change looks like:
 {{{ Before: UUID=94a96528-c889-45a1-bc98-d9d02ecdd59c / ext3 defaults,errors=remount-ro 0 1
After : UUID=94a96528-c889-45a1-bc98-d9d02ecdd59c / ext3 defaults,errors=remount-ro,user_xattr 0 1 }}}
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  /!\ You ''must'' modify the settings for the partition on which you're installing the server. So if your /opt is on a different partition, you must set the {{{ user_xattr }}} flag and modify the instructions below.
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References:
Cam's blog: http://cam.moobox.org/blog/?p=5
Lenfis blog:http://blog.jl42.de/index.php?/archives/231-Installation-of-the-Apple-Calendar-Server-on-Ubuntu-Edgy.html
http://trac.macosforge.org/projects/calendarserver/wiki/
 * Remount the filesystem (to activate user_xattr): {{{ mount -o remount / }}}
 * We'll install the server in /opt, so lets change into it: {{{ cd /opt }}}
 * Let's download the server software itself using subversion:
 {{{ svn checkout http://svn.macosforge.org/repository/calendarserver/CalendarServer/trunk CalendarServer }}}
 * Subversion has downloaded a lot of software, and created a directory for us, called CalendarServer. Let's change into it: {{{ cd CalendarServer }}}
 * And run a script to download some necessary packages, configure, etc: {{{ ./run -s }}}
 * Our CalDAV server is almost ready for action. Let's copy the test configuration so we can get it up as quickly as possible. Real configuration can wait: {{{ cp conf/caldavd-test.plist conf/caldavd-dev.plist }}}
 * We do need to do a little configuration though: {{{ vim conf/caldavd-dev.plist }}}
 * First change the hostname for the server. Locate the line {{{ <!-- Network host name --> }}} and change {{{ <string>localhost</string> }}} to {{{ <string>your-real-hostname</string> }}} (That is, put the actual name of your server inside the string, it's used within URLS within the software.)
 * To make the server available to connections from other computers. Locate this line: {{{ <!-- List of IP addresses to bind to [empty = all] --> }}} and replace {{{ 127.0.0.1 }}} in {{{ <string>127.0.0.1</string> }}} with either nothing or a specific, public ip address for your server.


/!\ [https://bugs.launchpad.net/ubuntu/+source/evolution/+bug/160190 Bug #160190]: As of 2007-11-05 there is a bug in Evolution that prevents us from using this setup to authenticate to the caldavd server. The report has contributions which explain how to enable Evolution to connect. It's not included here, because it's important that you check out the bug yourself.


 * Run the server: {{{ ./run }}}

That's it! The server is up and running, and you can connect to it with your CalDAV client using {{{ caldav://ADDRESS:8008/calendars/users/admin/calendar }}} to test the server using username {{{ admin }}} and password {{{ admin }}}

== To Do: ==
We're not really done yet. So, what's next? We're currently running the server as root. That's not necessary, so we shouldn't. What we should do, is create a user for our CalDAV server, set permissions for /opt/CalendarServer to that user and run as that user. We should also create scripts for /etc/init.d/ so we can manage it like we do with other services, and we should add a script to run it when we boot and properly shut it down when we shut down the system.

We also need to set up users and permissions for the server itself, so people can connect to the server and share their calendars, which is what we've been aiming for.

We should also document where the server-data is stored, so the information that users have entrusted to the server can be backed up.

Ideally we should package this application so the installation is installable with a single command.


== References: ==
 * [http://cam.moobox.org/blog/?p=5 Cam's blog]
 * [http://blog.jl42.de/index.php?/archives/231-Installation-of-the-Apple-Calendar-Server-on-Ubuntu-Edgy.html Lenfis blog]
 * [http://www.recycledpapyr.us/2008/01/09/installing-apples-darwin-calendar-server/ JT's blog]
 * [http://trac.macosforge.org/projects/calendarserver/wiki/ Calendar Server wiki]
 * [http://ubuntuforums.org/showthread.php?p=4114408&posted=1#post4114408 Ubuntu Forum Thread]
 * [http://www.nabble.com/Re:-'Run'-script-crashes-p11433982.html Maxime Wacker's trouble shooting tips]
 * [https://bugs.launchpad.net/ubuntu/+source/evolution/+bug/160190 Bug #160190]
 * [http://en.wikipedia.org/wiki/Caldav CalDAV - Wikipedia entry]
 * [http://en.wikipedia.org/wiki/WebDAV WebDAV - Wikipedia entry]

Warning /!\ THIS PAGE IS NOT FINISHED. DON'T FOLLOW ANY ADVICE IN IT UNTIL THIS LINE IS REMOVED.

This page explains how to install Apple's iCal Server (also called DCS or Darwin Calendar Server) on Ubuntu Server, though desktop variants should also work without any problems.

What is CalDAV?

CalDAV is a proposal for a standard protocol to enable calendar access via WebDAV. WebDAV, an abbreviation that stands for Web-based Distributed Authoring and Versioning, refers to the set of extensions to the Hypertext Transfer Protocol (HTTP) which allows users to collaboratively edit and manage files on remote World Wide Web servers.

Install procedure for Ubuntu Server 7.10

Installing Apple's iCal Server is fairly trivial once you know what to do. You do need to download some additional packages using apt-get, and you'll need to download some software using subversion. Most users will be familiar with apt-get, many with subversion. If you're not familiar with subversion, don't panic. This guide will be a detailed, step by step howto, showing exactly which commands to enter and when.

To make this work you will need to enable the Universe repositories (see ["AddingRepositoriesHowto"] and remember to do an  apt-get update  afterwards).

Ready?

  • Log into the server console or via ssh, so you can enter commands, and run  sudo -s  to get a root shell.

  • Install some software:

     apt-get install subversion libkrb5-dev attr curl build-essential libssl-dev python-pysqlite2 bzip2 

  • Install some more software:

     apt-get install curl zope3 python-xml python-pyopenssl python-dateutil python-xattr python-pysqlite2 python-twisted python-vobject python-kerberos 

  • We now need to edit our /etc/fstab file and add  user_xattr  to the options for the partition containing the CalDAV server, / in this case:  vim /etc/fstab  This is what the /etc/fstab change looks like: {{{ Before: UUID=94a96528-c889-45a1-bc98-d9d02ecdd59c / ext3 defaults,errors=remount-ro 0 1

After : UUID=94a96528-c889-45a1-bc98-d9d02ecdd59c / ext3 defaults,errors=remount-ro,user_xattr 0 1 }}}

Warning /!\ You must modify the settings for the partition on which you're installing the server. So if your /opt is on a different partition, you must set the  user_xattr  flag and modify the instructions below.

  • Remount the filesystem (to activate user_xattr):  mount -o remount / 

  • We'll install the server in /opt, so lets change into it:  cd /opt 

  • Let's download the server software itself using subversion:

     svn checkout http://svn.macosforge.org/repository/calendarserver/CalendarServer/trunk CalendarServer 

  • Subversion has downloaded a lot of software, and created a directory for us, called CalendarServer. Let's change into it:  cd CalendarServer 

  • And run a script to download some necessary packages, configure, etc:  ./run -s 

  • Our CalDAV server is almost ready for action. Let's copy the test configuration so we can get it up as quickly as possible. Real configuration can wait:  cp conf/caldavd-test.plist conf/caldavd-dev.plist 

  • We do need to do a little configuration though:  vim conf/caldavd-dev.plist 

  • First change the hostname for the server. Locate the line  <!-- Network host name -->  and change  <string>localhost</string>  to  <string>your-real-hostname</string>  (That is, put the actual name of your server inside the string, it's used within URLS within the software.)

  • To make the server available to connections from other computers. Locate this line:  <!-- List of IP addresses to bind to [empty = all] -->  and replace  127.0.0.1  in  <string>127.0.0.1</string>  with either nothing or a specific, public ip address for your server.

Warning /!\ [https://bugs.launchpad.net/ubuntu/+source/evolution/+bug/160190 Bug #160190]: As of 2007-11-05 there is a bug in Evolution that prevents us from using this setup to authenticate to the caldavd server. The report has contributions which explain how to enable Evolution to connect. It's not included here, because it's important that you check out the bug yourself.

  • Run the server:  ./run 

That's it! The server is up and running, and you can connect to it with your CalDAV client using  caldav://ADDRESS:8008/calendars/users/admin/calendar  to test the server using username  admin  and password  admin 

To Do:

We're not really done yet. So, what's next? We're currently running the server as root. That's not necessary, so we shouldn't. What we should do, is create a user for our CalDAV server, set permissions for /opt/CalendarServer to that user and run as that user. We should also create scripts for /etc/init.d/ so we can manage it like we do with other services, and we should add a script to run it when we boot and properly shut it down when we shut down the system.

We also need to set up users and permissions for the server itself, so people can connect to the server and share their calendars, which is what we've been aiming for.

We should also document where the server-data is stored, so the information that users have entrusted to the server can be backed up.

Ideally we should package this application so the installation is installable with a single command.

References:

CalendarServer (last edited 2014-07-13 21:21:52 by 5ac9a5f8)