Whenever enabled repositories are refered to in this manual, it is important to identify them from the command line without having to manually review the .repo files. The yum command has an adequate subcommand repolist for that task with its respective options.
# yum repolist enabled
...
repository id repository name state
chromium Chromium Test Packages 13
fedora Fedora 12 - i386 15366
google-chrome google-chrome 5
playonlinux PlayOnLinux Official repo 7
poptop-stable PoPToP stable repository for Fedora Core 12 (i 4
pptp-stable PPTP Client stable repository for Fedora Core 6
rpmfusion-free RPM Fusion for Fedora 12 - Free 383
rpmfusion-free-updates RPM Fusion for Fedora 12 - Free - Updates 1287
rpmfusion-nonfree RPM Fusion for Fedora 12 - Nonfree 124
rpmfusion-nonfree-updates RPM Fusion for Fedora 12 - Nonfree - Updates 502
updates Fedora 12 - i386 - Updates 6975
repolist: 24672
Also you may list the disabled repositories or simply all of them:
# yum repolist disabled
...
repository id repository name
adobe-linux-i386 Adobe Systems Incorporated
atrpms Fedora 12 - i386 - ATrpms
fedora-debuginfo Fedora 12 - i386 - Debug
fedora-dvd Fedora 10 DVD - i386
fedora-source Fedora 12 - Source
...
rpmfusion-nonfree-updates-testing-debuginfo RPM Fusion for Fedora 12 - Nonfree
rpmfusion-nonfree-updates-testing-source RPM Fusion for Fedora 12 - Nonfree
thatfleminggent That Fleming Gent's Repository for
thatfleminggent-sources That Fleming Gent's Repository for
updates-debuginfo Fedora 12 - i386 - Updates - Debug
updates-source Fedora 12 - Updates Source
updates-testing Fedora 12 - i386 - Test Updates
updates-testing-debuginfo Fedora 12 - i386 - Test Updates Deb
updates-testing-source Fedora 12 - Test Updates Source
repolist: 0
# yum repolist all
...
repository id repository name state
adobe-linux-i386 Adobe Systems Incor disabled
atrpms Fedora 12 - i386 - disabled
chromium Chromium Test Packa enabled: 13
fedora Fedora 12 - i386 enabled: 15,366
fedora-debuginfo Fedora 12 - i386 - disabled
fedora-dvd Fedora 10 DVD - i38 disabled
fedora-source Fedora 12 - Source disabled
...
updates Fedora 12 - i386 - enabled: 6,975
updates-debuginfo Fedora 12 - i386 - disabled
updates-source Fedora 12 - Updates disabled
updates-testing Fedora 12 - i386 - disabled
updates-testing-debuginfo Fedora 12 - i386 - disabled
updates-testing-source Fedora 12 - Test Up disabled
repolist: 24,672
