using rpm
1.Installing package #rpm -i package_name
#rpm -ivh package_name
2.Finding the repository server path #showmount -e repository_server
3.Uninstalling package #rpm -e package_name
3.Upgrade package #rpm -U package_name [if mentioned package are not installed in that U option just install the package]
#rpm -Uvh package_name
#rpm -F package_name [if mentioned package are not installed it will not work]
4.Query about installed rpm package #rpm -qa [it will list all package are installed]
#rpm -qf /file_name [prints package in which the file resides]
#rpm -ql package_name [prints file list of package]
#rpm -qi package_name [prints package information]
5.Query about not installed rpm package #rpm -qlp package_name [listing files which are packaged]
#rpm -qip package_name [getting package information]
VERIFY PACKAGE INTEGRITY
1. Import key from installation CD
2. Query list of imported public key
3. Verify signature of a package file
4. Install rpm package or rpmfile
1. Import key from installation CD #rpm --import RPM-GPG-KEY-redhat-release
2. Query list of imported public key #rpm -qa gpg-pubkey
3. Verify signature of a package file #rpm -K rpmfile [i.e zip-2.3-8.i386.rpm]
or
#rpm --checksig rmpfile [i.e zip-2.3-8.i386.rpm
4. Install rpm package or file #yum install package [i.e zip-*]
or
#yum localinstall rpmfile [i.e zip-2.3-8.i386.rpm
5.verify installed package #rpm -v package_name
#rpm -va
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