Saturday, 10 October 2015

Some useful Yum commands for System Administrator



YUM (Yellowdog Updater Modified) is an open source command-line as well as graphical based package management tool for RPM (RedHat Package Manager) based Linux systems. It allows users and system administrator to easily install, update, remove or search software packages on a systems. YUM uses numerous third party repositories to install packages automatically by resolving their dependencies issues.




1. Installing a Package using YUM




# yum install <package_name>




eg:

#yum install httpd




2. Updating a Package using YUM




# yum update <package_name>




3. Removing a Package




# yum remove <package_name>




4. List a Package




# yum list <package_name>




5. Search for a package




# yum search <package_name>




6. Getting information about a package




# yum info <package_name>




7. List all packages




# yum list all | less




8. List installed packages




# yum list installed




9. YUM provides




Yum provides function is used to find which package a specific file belongs to. For example, if you would like to know the name of the package that has the /etc/httpd/conf/httpd.conf




# yum provides /etc/httpd/conf/httpd.conf




10. Update system using YUM




# yum update




11. List enabled YUM repositories




# yum repolist




12. Install a Package from Specific Repository




## yum --enablerepo=epel install phpmyadmin



13. Interactive yum shell


# yum shell


13. Cleaning YUM cache


# yum clean all


14. View history of YUM


# yum history


##########HOPE THIS WORK FOR YOU###############


~SHUBHAM

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