CalendarServer
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| THIS PAGE IS NOT FINISHED. DON'T FOLLOW ANY ADVISE IN IT UNTIL THIS LINE IS REMOVED. | This page explains how to install Apple's [[http://en.wikipedia.org/wiki/Darwin_Calendar_Server|Darwin Calendar Server]] (also called DCS, and the basis for their iCal Server). |
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| In Intrepid Ibex, Apple's calendar server was installable as the calendarserver package. Unfortunately, this no longer works (as of 7 Feb 2010) with Ubuntu Jaunty (9.04) or Karmic (9.10) servers, necessitating these recipes for installation steps. The problem seems to result from required corrections to the upstream Debian package, which is not being actively maintained now. There is a [[https://bugs.launchpad.net/ubuntu/+source/calendarserver/+bug/403349|bug #403349]] filed about this. Please see the bug and the link below for work on packaging for Ubuntu Karmic (9.10) server. | |
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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. | There are many other Calendar Servers, so the title of this page is misleading. There are also other CalDAV serves, including DAViCal, some of which work better than the Darwin Calendar Server. The reader is advised to research other calendar servers and keep in mind the limited scope of these instructions. |
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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? == There are many ways of enabling other people to see your calendar, but the two most common, are what Evolution calls "On the web"-calendars (or [[http://en.wikipedia.org/wiki/Webcal|webcal]]), and CalDAV-calendars. "On the web" calendars are simply iCalendar files stored on a web-server for clients to download. Nothing magical about it. Your calendar application will open a normal http connection to the web server, download the calendar file and use it just like a normal, local calendar, except in most cases it will be read-only. The application can also publish the calendar to the web-server using WebDAV. |
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| Install procedure for Ubuntu Server 7.10 [[BR]] [[BR] |
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. The "On the web"-type of calendar is suitable when you want anyone in the world to have access to the calendar. A TV-channel could use this to announce their program, for instance, or Free Software communities can use it to enable users to see how the project is progressing, release dates, etc. If this is all you want, then you don't really need a CalDAV server. Apache will do the trick, with with mod_dav if you want WebDAV publishing support. ([[http://www.digital-arcanist.com/sanctum/article.php?story=20070427101250622|WebDAV with Apache 2.x on Ubuntu]]) |
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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. This guide will be a detailed, step by step howto, showing exactly which commands to enter and when. [[BR]] [[BR]] Ready? [[BR]] * Log into the server console or via ssh, so you can enter commands, and run sudo -s to get a root shell. [[BR]] * Install subversion: apt-get install subversion [[BR]] * 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. [[BR]] [[BR]] |
Built on top of WebDAV, CalDAV is a standard protocol, specified in [[http://tools.ietf.org/html/rfc4791|RFC 4791]], which enables advanced online calendar functions. Concepts such as users, groups, locations and resources are introduced, enabling collaborative scheduling. Different users of different groups can have different permissions to read and write to a calendar, etc. Also, a CalDAV calendar doesn't use a single file, but stores calendar events as files in directories. It also handles recurring events, enables free/busy lookups, etc. This makes CalDAV suitable for an office environment. |
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| apt-get install libkrb5-dev [[BR]] apt-get install attr [[BR]] apt-get install subversion [[BR]] apt-get install curl [[BR]] apt-get install build-essential [[BR]] apt-get install libssl-dev [[BR]] apt-get install python-pysqlite2 [[BR]] apt-get install bzip2 [[BR]] apt-get install curl [[BR]] apt-get install zope3 [[BR]] apt-get install python-xml [[BR]] apt-get install python-pyopenssl [[BR]] apt-get install python-dateutil [[BR]] apt-get install python-xattr [[BR]] apt-get install python-pysqlite2 [[BR]] apt-get install python-twisted [[BR]] apt-get install python-vobject [[BR]] apt-get install python-kerberos [[BR]] |
== Recipes for Installation == |
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| * 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. [[BR]] [[BR]] My / before edit: UUID=94a96528-c889-45a1-bc98-d9d02ecdd59c / ext3 defaults,errors=remount-ro 0 1 [[BR]] After edit: UUID=94a96528-c889-45a1-bc98-d9d02ecdd59c / ext3 defaults,errors=remount-ro,user_xattr 0 1 [[BR]] [[BR]] [[BR]] * We must now remount the filesystem: mount -o remount / [[BR]] * We'll install the server in /opt, so lets change into it: cd /opt [[BR]] * Let's download the server software itself using subversion: [[BR]] svn checkout http://svn.macosforge.org/repository/calendarserver/CalendarServer/trunk CalendarServer [[BR]] * Subversion has downloaded alot of software, and created a directory for us, called CalendarServer. Let's change into it: cd CalendarServer [[BR]] * And run a script to download some necessary packages, configure, etc: ./run -s [[BR]] * Ok, 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: [[BR]] cp conf/caldavd-test.plist conf/caldavd-dev.plist [[BR]] * We do need to do some configuration though: vim conf/caldavd-test.plist [[BR]] [[BR]] |
[[CalendarServer/GutsyRecipe|Gutsy]] [[CalendarServer/KarmicRecipe|Karmic]] |
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| ADD PRECISE DESCRIPTION OF NECESSARY EDIT FOR EXTERNAL CONNECTIONS AND FOR EVOLUTION USERS! | == Configuration == |
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| * Run the server: ./run * That's it! :) |
There is now a [[CalendarServer/Configuration|page]] regarding configuration of the caldavd server. |
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| == Packaging == | |
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| References: | Of course, the best solution is for a newer version of calendar server to be appropriately packaged, so that people can readily install it. There is now a [[CalendarServer/Packaging|wiki page]] about progress on this. |
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| Cam's blog: [[BR]] http://cam.moobox.org/blog/?p=5 [[BR]] [[BR]] Lenfis blog: [[BR]] http://blog.jl42.de/index.php?/archives/231-Installation-of-the-Apple-Calendar-Server-on-Ubuntu-Edgy.html [[BR]] [[BR]] Calendar Server wiki: [[BR]] http://trac.macosforge.org/projects/calendarserver/wiki/ [[BR]] [[BR]] |
== References: == * [[https://bugs.launchpad.net/ubuntu/+bug/182591|Package request on Launchpad]] * [[http://tools.ietf.org/html/rfc4791|CalDAV protocol specification, RFC 4791]] * [[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]] * [[http://www.digital-arcanist.com/sanctum/article.php?story=20070427101250622|HOWTO Enable WebDAV with Apache 2.x on Ubuntu Linux]] |
This page explains how to install Apple's Darwin Calendar Server (also called DCS, and the basis for their iCal Server).
In Intrepid Ibex, Apple's calendar server was installable as the calendarserver package. Unfortunately, this no longer works (as of 7 Feb 2010) with Ubuntu Jaunty (9.04) or Karmic (9.10) servers, necessitating these recipes for installation steps. The problem seems to result from required corrections to the upstream Debian package, which is not being actively maintained now. There is a bug #403349 filed about this. Please see the bug and the link below for work on packaging for Ubuntu Karmic (9.10) server.
There are many other Calendar Servers, so the title of this page is misleading. There are also other CalDAV serves, including DAViCal, some of which work better than the Darwin Calendar Server. The reader is advised to research other calendar servers and keep in mind the limited scope of these instructions.
What is CalDAV?
There are many ways of enabling other people to see your calendar, but the two most common, are what Evolution calls "On the web"-calendars (or webcal), and CalDAV-calendars. "On the web" calendars are simply iCalendar files stored on a web-server for clients to download. Nothing magical about it. Your calendar application will open a normal http connection to the web server, download the calendar file and use it just like a normal, local calendar, except in most cases it will be read-only. The application can also publish the calendar to the web-server using 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. The "On the web"-type of calendar is suitable when you want anyone in the world to have access to the calendar. A TV-channel could use this to announce their program, for instance, or Free Software communities can use it to enable users to see how the project is progressing, release dates, etc. If this is all you want, then you don't really need a CalDAV server. Apache will do the trick, with with mod_dav if you want WebDAV publishing support. (WebDAV with Apache 2.x on Ubuntu)
Built on top of WebDAV, CalDAV is a standard protocol, specified in RFC 4791, which enables advanced online calendar functions. Concepts such as users, groups, locations and resources are introduced, enabling collaborative scheduling. Different users of different groups can have different permissions to read and write to a calendar, etc. Also, a CalDAV calendar doesn't use a single file, but stores calendar events as files in directories. It also handles recurring events, enables free/busy lookups, etc. This makes CalDAV suitable for an office environment.
Recipes for Installation
Configuration
There is now a page regarding configuration of the caldavd server.
Packaging
Of course, the best solution is for a newer version of calendar server to be appropriately packaged, so that people can readily install it. There is now a wiki page about progress on this.
References:
CalendarServer (last edited 2014-07-13 21:21:52 by 5ac9a5f8)