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.

rpm-structure-2

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