RPM Stands for Redhat Package Manager. RPM command is used for managing rpm software packages in your linux machine. Using rpm command we can install, upgrade, remove, list packages.
1. Installing RPM in System.
Use below command to install and vsftpd RPM in system.
# rpm -ivh vsftpd-2.3.5-2.el6.i686.rpm
Sample output:
warning: vsftpd-2.3.5-2.el6.i686.rpm: Header V3 DSA/SHA1 Signature, key ID e9bc4ae1: NOKEY Preparing... ########################################### [100%] 1:vsftpd ########################################### [100%]
2. Update the installed RPM Package.
If you already installed an RPM so you can simply upgrade it with new version.
# rpm -Uvh vsftpd-2.3.5-2.el6.i686.rpm
3. Check installed RPM Package.
After installation of a package to check for proper installation, Use -q to query to installed package.
# rpm -q vsftpd vsftpd-2.3.5-2.el6.i686
4. List all installed RPM Package.
The below Example lists all installed package in your system.
# rpm -qa
Example 5: Remove installed RPM Package.
Below command will erase ( uninstall ) rpm package from your system.
# rpm -e vsftpd vsftpd-2.3.5-2.el6.i686
6. Get more details of RPM Package.
This command will show you details about an RPM, like Name, version release and short descritpion.
# rpm -qip vsftpd-2.3.5-2.el6.i686.rpm
Sample output:
warning: vsftpd-2.3.5-2.el6.i686.rpm: Header V3 DSA/SHA1 Signature, key ID e9bc4ae1: NOKEY Name : vsftpd Relocations: (not relocatable) Version : 2.3.5 Vendor: (none) Release : 2.el6 Build Date: Thu 23 Feb 2012 07:38:59 AM IST Install Date: (not installed) Build Host: localhost Group : System Environment/Daemons Source RPM: vsftpd-2.3.5-2.el6.src.rpm Size : 453460 License: GPLv2 with exceptions Signature : DSA/SHA1, Fri 11 Jan 2013 06:48:45 PM IST, Key ID 8fbd1684e9bc4ae1 URL : http://vsftpd.devnet.ru Summary : Very Secure Ftp Daemon Description : vsftpd is a Very Secure FTP daemon. It was written completely from scratch.
7. List all files in RPM Package.
This command will list all files inside a RPM package. This is usefull for finding importent files of RPM.
# rpm -qlp vsftpd-2.3.5-2.el6.i686.rpm
Sample Output:
warning: vsftpd-2.3.5-2.el6.i686.rpm: Header V3 DSA/SHA1 Signature, key ID e9bc4ae1: NOKEY /etc/logrotate.d/vsftpd /etc/pam.d/vsftpd /etc/rc.d/init.d/vsftpd /etc/vsftpd /etc/vsftpd/ftpusers /etc/vsftpd/user_list /etc/vsftpd/vsftpd-403-serv.html /etc/vsftpd/vsftpd-403.html /etc/vsftpd/vsftpd-404.html /etc/vsftpd/vsftpd-browse.html /etc/vsftpd/vsftpd-browse_line.html /etc/vsftpd/vsftpd-site.conf.sample /etc/vsftpd/vsftpd.conf /etc/vsftpd/vsftpd.pasv_rules /etc/vsftpd/vsftpd_conf_migrate.sh /usr/sbin/vsftpd /usr/share/doc/vsftpd-2.3.5 /usr/share/doc/vsftpd-2.3.5/AUDIT /usr/share/doc/vsftpd-2.3.5/BENCHMARKS /usr/share/doc/vsftpd-2.3.5/BUGS /usr/share/doc/vsftpd-2.3.5/COPYING /usr/share/doc/vsftpd-2.3.5/Changelog /usr/share/doc/vsftpd-2.3.5/Example /usr/share/doc/vsftpd-2.3.5/Example/HTTP_TEMPLATES /usr/share/doc/vsftpd-2.3.5/Example/HTTP_TEMPLATES/403-serv.html /usr/share/doc/vsftpd-2.3.5/Example/HTTP_TEMPLATES/403.html /usr/share/doc/vsftpd-2.3.5/Example/HTTP_TEMPLATES/404.html /usr/share/doc/vsftpd-2.3.5/Example/HTTP_TEMPLATES/browse.html /usr/share/doc/vsftpd-2.3.5/Example/HTTP_TEMPLATES/browse_line.html /usr/share/doc/vsftpd-2.3.5/Example/INTERNET_SITE /usr/share/doc/vsftpd-2.3.5/Example/INTERNET_SITE/README /usr/share/doc/vsftpd-2.3.5/Example/INTERNET_SITE/vsftpd.conf /usr/share/doc/vsftpd-2.3.5/Example/INTERNET_SITE/vsftpd.xinetd /usr/share/doc/vsftpd-2.3.5/Example/INTERNET_SITE_NOINETD /usr/share/doc/vsftpd-2.3.5/Example/INTERNET_SITE_NOINETD/README /usr/share/doc/vsftpd-2.3.5/Example/INTERNET_SITE_NOINETD/vsftpd.conf /usr/share/doc/vsftpd-2.3.5/Example/PER_IP_CONFIG /usr/share/doc/vsftpd-2.3.5/Example/PER_IP_CONFIG/README /usr/share/doc/vsftpd-2.3.5/Example/PER_IP_CONFIG/hosts.allow /usr/share/doc/vsftpd-2.3.5/Example/README /usr/share/doc/vsftpd-2.3.5/Example/VIRTUAL_HOSTS /usr/share/doc/vsftpd-2.3.5/Example/VIRTUAL_HOSTS/README /usr/share/doc/vsftpd-2.3.5/Example/VIRTUAL_USERS /usr/share/doc/vsftpd-2.3.5/Example/VIRTUAL_USERS/README /usr/share/doc/vsftpd-2.3.5/Example/VIRTUAL_USERS/logins.txt /usr/share/doc/vsftpd-2.3.5/Example/VIRTUAL_USERS/vsftpd.conf /usr/share/doc/vsftpd-2.3.5/Example/VIRTUAL_USERS/vsftpd.pam /usr/share/doc/vsftpd-2.3.5/Example/VIRTUAL_USERS_2 /usr/share/doc/vsftpd-2.3.5/Example/VIRTUAL_USERS_2/README /usr/share/doc/vsftpd-2.3.5/FAQ /usr/share/doc/vsftpd-2.3.5/INSTALL /usr/share/doc/vsftpd-2.3.5/LICENSE /usr/share/doc/vsftpd-2.3.5/README /usr/share/doc/vsftpd-2.3.5/README.security /usr/share/doc/vsftpd-2.3.5/REWARD /usr/share/doc/vsftpd-2.3.5/SECURITY /usr/share/doc/vsftpd-2.3.5/SECURITY/DESIGN /usr/share/doc/vsftpd-2.3.5/SECURITY/IMPLEMENTATION /usr/share/doc/vsftpd-2.3.5/SECURITY/OVERVIEW /usr/share/doc/vsftpd-2.3.5/SECURITY/TRUST /usr/share/doc/vsftpd-2.3.5/SIZE /usr/share/doc/vsftpd-2.3.5/SPEED /usr/share/doc/vsftpd-2.3.5/TODO /usr/share/doc/vsftpd-2.3.5/TUNING /usr/share/doc/vsftpd-2.3.5/vsftpd.xinetd /usr/share/man/man5/vsftpd.conf.5.gz /usr/share/man/man8/vsftpd.8.gz /var/ftp /var/ftp/pub
8. Search RPM to which a File Belongs.
Using below command you can find about file to which rpm its belongs.
# rpm -qf /etc/vsftpd/ftpusers vsftpd-2.3.5-2.el6.i686
9. List the dependencies of RPM Package.
This command will list all dependencies of rpm.
# rpm -qpR vsftpd-2.3.5-2.el6.i686.rpm
10. Revert RPM Package to Older Version.
If you have accidentally upgraded your rpm to newer version, you can downgrade it again using below command.
rpm -Uvh --oldpackage vsftpd-<old-version>.el6.i686.rpm