Change Yellowdog Updater Modifier (Yum) Repository on CentOS

Hi All, it's really boring to read certification book, and do anything. But If I go home, today I can't reach the goal for today. So I try to open ssh client and access my cent-OS server. When I want to Install pinfo in Cent-OS it's really long.. I think mirror choice server from Kartolo, then after yum clean all, I found from axarva, dionpe, and etc (Kind of server in Indonesia). I want to fix my repository server,  So I try to change my repository and steer static to Kambing server  (another sever in Indonesia).. If it's first time you hear about yum. I'll let you know for a little: Yum is an automatic updater and package installer/remover for rpm systems. It automatically computes dependencies and figures out what things should occur to install packages. for further information please visit: http://yum.baseurl.org/

So the step must we do:

1. Go to Yum Repo directory, do command this
   

   $ cd /etc/yum.repos.d/ 
   $ ls -l

   After execute the command, you my find CentOS-Base.repo, the file is contained repo source and I want to modify so I just download repo from kambing repository
   
   
2. Before modify the repository file, do copy first for backup
   

   $ cp CentOS-Base.repo CentOS-Base.repo.standard

   
   
3. Then modify file CentOS-Base.repo, using vim editor
   

   $ vim CentOS-Base.repo 

   The output from the command:
   
   
4. Now you can change mirrorlist to baseurl parameter in [base], [updates], [extras] with remove the sharp/hashtag icon and add kambing repo's url. Like below:
   
   Sample for [base] url on kambing website
   
   
   
   so I change the base url refer to kambing
   

   # CentOS-Base.repo
   #
   # The mirror system uses the connecting IP address of the client and the
   # update status of each mirror to pick mirrors that are updated to and
   # geographically close to the client.  You should use this for CentOS updates
   # unless you are manually picking other mirrors.
   #
   # If the mirrorlist= does not work for you, as a fall back you can try the
   # remarked out baseurl= line instead.
   #
   #
   
   [centosplus]
   name=Kambing-CentOS-Plus
   #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os
   baseurl=http://kambing.ui.ac.id/centos/7.2.1511/centosplus/x86_64/
   enabled=1
   gpgcheck=1
   gpgkey=http://kambing.ui.ac.id/centos/RPM-GPG-KEY-CentOS-7
   
   #released updates
   [updates]
   name=Kambing-CentOS-Updates
   #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates
   baseurl=http://kambing.ui.ac.id/centos/7.2.1511/updates/x86_64/
   enabled=1
   gpgcheck=1
   gpgkey=http://kambing.ui.ac.id/centos/RPM-GPG-KEY-CentOS-7
   
   #additional packages that may be useful
   [extras]
   name=Kambing-CentOS-Extras
   #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras
   baseurl=http://kambing.ui.ac.id/centos/7.2.1511/extras/x86_64/
   enabled=1
   gpgcheck=1
   gpgkey=http://kambing.ui.ac.id/centos/RPM-GPG-KEY-CentOS-7
   

   After that, add some repo key, that kambing give like fasttrack, OS,
   

   
   [Fasttrack]
   name=Kambing-CentOS-Fastrack
   baseurl=http://kambing.ui.ac.id/centos/7.2.1511/fasttrack/x86_64/
   enabled=1
   gpgcheck=1
   gpgkey=http://kambing.ui.ac.id/centos/RPM-GPG-KEY-CentOS-7
   
   #released OS
   [OS]
   name=Kambing-CentOS-OS
   baseurl=http://kambing.ui.ac.id/centos/7.2.1511/os/x86_64/
   enabled=1
   gpgcheck=1
   gpgkey=http://kambing.ui.ac.id/centos/RPM-GPG-KEY-CentOS-7

   Then pres Esc button then type :wq
5. After change repository script, you must clean all cache last repo before. with
   

   $ yum clean all

   then output should be appear
   
   
6. Then download the list with command
   

   $ yum list

   When the server directed to kambing.ui, the output should be appear like below:
   
   No more server reachable information because there is one server to get installed file. 

I Hope it can help you to change your repository in your CentOS