Gentoo

Links

• Gentoo homepage

Documentation

• Overlays
• Gentoo Cheat Sheet
• Wiki
• devmanual
• Configuring and installing kernel

Gentoo tools

Find out what ebuild will provide a file

• File to Ebuild DB

What ebuild does a file belong to?

equery belongs

Docs

• KDE on Gentoo

Tips

emerge -uvDNp world

HOWTO

Enable service

See OpenRC

rc-update add <servicename> default

Packages

List available versions of package

equery list -po [package_name]

list installed packages

eix-installed -a
ls /var/db/pkg/*

delete a package

emerge --deselect package

make cron.daily etc work with dcron

Check current cron jobs for root

crontab -l 

then

crontab /etc/crontab

FAQ

What depends on package?

https://wiki.gentoo.org/wiki/Equery#Listing_all_packages_depending_on_a_package_with_depends_.28d.29

equery depends packagename

'NoneType' object has no attribute 'ebuild' None

Oops.

where does sync store the data?

grep location /etc/portage/repos.conf/gentoo.conf

use `--no-check-certificate'

Fetch it yourself

wget --no-check-certificate  URL

and stick it in /usr/portage/distfile

/etc/portage/package.use is a directory

Files in that directory do the same

mirror status

https://mirrorstats.gentoo.org/

rebuild package

emerge -vauD package

which use flags are available for a package?

equery u package

Profiles

https://wiki.gentoo.org/wiki/Profile_(Portage)

Show available profiles

eselect profile list

See how emerge is doing

tail -f /var/log/emerge.log

Debugging software

• http://www.gentoo.org/proj/en/qa/backtraces.xml

using eselect

http://www.gentoo.org/doc/en/gentoo-upgrading.xml

 

Reason: Filesize does not match recorded size

ebuild foo.ebuild digest

slots

• About slots
• http://devmanual.gentoo.org/general-concepts/slotting/index.html

If there's multiple slots, and one of them is called '3', emerge using

emerge foo:3

 

IMPORTANT: 10 config files in '/etc/portage' need updating."

etc-update?

 

existing preserved libs

See https://wiki.gentoo.org/wiki/Preserve-libs

rebuild a package

emerge -a packagename

dev-db/mariadb:0 ("dev-db/mariadb:0" is blocking dev-db/mariadb-10.4.17)

See https://wiki.gentoo.org/wiki/Handbook:AMD64/Working/Portage#Blocked_packages

ebuild is masked or unavailable

ATI OpenGL on Gentoo