U n ME makes WE...

Yum is a very powerfull package manager. yum will resolve dependencies for you and makes installing applications a breeze. yum also searches, removes, and lists packages for you.

 Usage: yum [options] <>

Options:
-h, --help            show this help message and exit
-t, --tolerant        be tolerant of errors
-C                    run entirely from cache, don't update cache
-c  [config file]     config file location
-R  [minutes]         maximum command wait time
-d  [debug level]     debugging output level
-e  [error level]     error output level
-y                    answer yes for all questions
--version             show Yum version and exit
--installroot=[path]  set install root
--enablerepo=[repo]   enable one or more repositories (wildcards allowed)
--disablerepo=[repo]  disable one or more repositories (wildcards allowed)
-x [package], --exclude=[package]
                      exclude package(s) by name or glob
--obsoletes           enable obsoletes processing during updates
--noplugins           disable Yum plugins
--nogpgcheck          disable gpg signature checking
--disableplugin=[plugin] disable plugins by name
      

From a first look this can look rather intimidating, but this is rather easy.

Examples given below:

• To seach for a application

Yum will search all your enabled repos and tell you where you can obtain the package from

yum search application_name     

• Yum can list all available packages from your enabled repos and tell you where you can obtain the package from:

yum list available
      

• To find out more info about some package

yum info application_name
      

• Installing applications

Inastalling is as easy as

yum install application_name
      

• Listing rpms

yum can list installed rpms for you from the repos you have enabled

yum list extras
      

• Removing rpms

Yum can remove a application and the dependenciesit installed with tat application. it will not remove depenencies if another application installed needs them.

yum remove application_name
      

• Updating the system

Yum can update the system for you with out user interact if you want it to.

yum update
      

• Not sure if you have upates?

yum check-update
      

• Local install

downloaded a rpm and cannot install it with rpm because of dependencies?

yum localinstall /path/to/the/rpm
      

Happy yumming...