= Installing Trac on !ArchLinux for Multiple Projects using Mod_Python =
[http://www.archlinux.org ArchLinux] is powered by a simple and lightweight package management system. It is release by rolling binary system.  Keep update by command line '''pacman -Syu''' will get the most recent version.

== install depend packages from binary ==
{{{
pacman -S mod_python python-pysqlite
}}}
== Download trac from binary ==
Trac is already on community repository, check /etc/pacman.conf, make sure uncomment the following.
{{{
[community]
# Add your preferred servers here, they will be used first
Include = /etc/pacman.d/community
}}}

SUPFILES=(arch extra !unstable community !testing)

download and install it
{{{
pacman -S trac 
}}}

== or, build trac from source ==
if want the newest version trac.

edit the /etc/abs/abs.conf, unmark the community
{{{
SUPFILES=(arch extra !unstable community !testing)
}}}

{{{
cd /var/abs/community/network/trac
vi PKGBUILD  # modify the version to the newest version
makepkg -g   # modify PKGBUILD with the correct md5 checksum
makepkg -c   # build binary package file, and clean up work files after build
sudo pacman -A *.pkg.tar.gz  # install it
sudo pacman -U *.pkg.tar.gz  # or, upgrade it, if already installed
}}}

== configure mod_python ==
edit /etc/httpd/conf/httpd.conf, append following line 
{{{
LoadModule python_module /usr/lib/apache/mod_python.so
}}}

to be continue...