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.
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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