In order to use the software, you have to agree to ID Software's license
located in /usr/share/licenses/quake4/License.txt and Punkbuster's license
located in /usr/share/licenses/quake4/PBEULA.txt.

The following files must be copied from the install CDs [1]
to '~/.quake4/q4base' (for users) or '/opt/quake4/q4base/' (system).

b201b914167f47061fa5f975af527122  pak001.pk4
dabe2c88e004198947431250e3f4ca1d  pak002.pk4
8573f05af4c9568880cc464d06292079  pak003.pk4
12ff4006a7f7181ac16835d05c59905f  pak004.pk4
3576213f4e00f06baf3cd5de089a538a  pak005.pk4
aec7bb418b9a86256f9e5daee894dee2  pak006.pk4
0f53b4fb4df2c14fcd10012baf8b2f87  pak007.pk4
b099d75869f0ffcbcb8e5166374af345  pak008.pk4
cb2b44bf573559dc19b488d9e1e5bec3  pak009.pk4
d024073349dc917b4feab49e6abc417b  pak010.pk4
98c854d94ce1da5272952b77821823df  pak011.pk4
e77a2fda6656495d38773e05bbffda33  pak012.pk4
669d6d9a30b798d19434972475b98c53  zpak_english.pk4
2cabddd692e214c78c20a464da43f1ef  zpak_french.pk4
4ee7eb637cde6bcfe3a9ffac5e4579dd  zpak_italian.pk4
36eee38e6c2dce12986f7192a5a996e5  zpak_spanish.pk4

Start the game with the command: quake4
Start the dedicated server with the command: quake4-dedicated

For troubleshooting and help, see:
http://zerowing.idsoftware.com/linux/

If you are using pulseaudio don't forget to also install the
'alsa-plugins-pulseaudio' package for x86 (32bit) or
'alsa-plugins-pulseaudio-32bit' for x86_64 (64bit).