A RPM package abbreviated as Red Hat Package Manager refers to Red Hat package installed on Fedora, CentOS, OEL and all Red Hat source code derived OS.
To know more about a rpm package click on the below link
Understanding RPM package
You can uninstall a package using -e switch along with rpm command
NOTE: Before removing a package make sure you get the complete name of the package using the below command
To know more about a rpm package click on the below link
Understanding RPM package
Installing from the downloaded rpm package
Use -ivh switch along with rpm command as shown below
# cd /root/rpms
# rpm -ivh cvs-1.11.23-16.el6.i686.rpm
Preparing... ########################################### [100%]
1:cvs ########################################### [100%]Installing directly from the package available on web.
But for this you need to have the proper link of the rpm you want to download or install
# rpm -ivh ftp://ftp.pbone.net/mirror/ftp.centos.org/6.5/os/i386/Packages/cvs-1.11.23-16.el6.i686.rpm
Retrieving ftp://ftp.pbone.net/mirror/ftp.centos.org/6.5/os/i386/Packages/cvs-1.11.23-16.el6.i686.rpm
warning: /var/tmp/rpm-tmp.z3VsTc: Header V3 RSA/SHA1 Signature, key ID c105b9de: NOKEY
Preparing... ########################################### [100%]
1:cvs ########################################### [100%]Installing a package forcefully without dependencies
Use --force argument along with -ivh switch as shown below to install forcefully without dependencies
# rpm -ivh vsftpd-2.2.2-11.el6_4.1.i686.rpm --force
warning: vsftpd-2.2.2-11.el6_4.1.i686.rpm: Header V3 RSA/SHA1 Signature, key ID c105b9de: NOKEY
Preparing... ########################################### [100%]
1:vsftpd ########################################### [100%]Upgrading a package
Use -Uvh switch along with rpm command
# rpm -q vsftpd
vsftpd-2.0.5-28.el5.i386# rpm -Uvh vsftpd-2.2.2-11.el6_4.1.i686.rpm
warning: vsftpd-2.2.2-11.el6_4.1.i686.rpm: Header V3 RSA/SHA1 Signature, key ID c105b9de: NOKEY
Preparing... ########################################### [100%]
1:vsftpd ########################################### [100%]Removing a package
NOTE: Before removing a package make sure you get the complete name of the package using the below command
# rpm -qa | grep cvs
cvs-1.11.23-16.el6.i686# rpm -e cvs-1.11.23-16.el6.i686Removing a package without dependencies
Use an extra argument --nodeps along with rpm command to remove/uninstall a package without dependencies
# rpm -e vsftpd-2.2.2-11.el6_4.1.i686 --nodepsFollow the below links for more tutorials
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