RPM package is a powerful utility to manage the software in all major Linux distributions. RPMs can be used to,
- Install packages
- Remove packages
- Upgrade packages
- Verify packages
Here are some useful command to manage RPM packages,
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1. Getting detailed information about the package httpd
rpm -qi httpd
2. Determining which package installed the file /etc/httpd/conf.d/httpd-portal.conf,
rpm -qf /etc/httpd/conf.d/httpd-portal.conf
3. Showing all the files installed my httpd
rpm -ql httpd
4. Viewing the documentation files for the command httpd,
rpm -qd httpd
5. Listing all files included in an rpm file,
rpm -qpl /mnt/iso/suse/i586/wget-1.10.2-78.i586.rpm
6. Verify if the package is installed or not,
rpm -qa | grep httpd
7. To check what has changed in the files on the system since the HTTPD rpm originally installed,
rpm -V httpd
8. Checking package to ensure its integrity and origin: (NOTE: gpg or pgp software must be installed on your system before you use this command)
rpm -K /mnt/iso/suse/i586/wget-1.10.2-78.i586.rpm
9. To install wget RPM package,
rpm -ivh /mnt/iso/suse/i586/wget-1.10.2-78.i586.rpm
10. Upgrading the package wget: (NOTE: if the package is not installed it will install it for You, like option “-ivh”),
rpm -Uvh /mnt/iso/suse/i586/wget-1.10.2-78.i586.rpm
11. Upgrade the package wget (if it exists already),
rpm -Fvh /mnt/iso/suse/i586/wget-1.10.2-78.i586.rpm
12. Removing the RPM package wget,
rpm -e wget
13. To list the configuration file of a package,
rpm -qc httpd
14. To display the list of all recently installed packages,
rpm -qa –last
15. To find out what dependencies httpd package has,
rpm -qR httpd
16. To find out what dependencies an rpm file has,
rpm -qpR /mnt/iso/suse/i586/wget-1.10.2-78.i586.rpm
17. To display list of configuration files for a command,
rpm -qcf /usr/sbin/httpd
