View information about a package

The -qip or --query --install --print options can be used to view information about a package after it has been downloaded and before it has been installed

[root@server1 ~]# rpm -qip php-mbstring-version.rpm
[root@server1 ~]# rpm --query --install --print php-mbstring-version.rpm
Name        : php-mbstring-version
Version     : 1.0.4				   
Vendor      : CentOS 
Build Date  : Mon 01 Jun 2016
. . . 

Install a package

The -i or --install option to install a package. It can also be helpful to use the -v or --verbose and -h (show hash marks during install) options.

[root@server1 ~]# rpm -ivh php-mbstring-version.rpm

[root@server1 ~]# rpm -h --install --verbose php-mbstring-version.rpm
Updating /installing...
  1:php-mbstring-version  ####################### [100%]

Dependencies 

The -q or --query and -R or --requires options can be used to check if a package requires dependencies

[root@server1 ~]# rpm -qR php-mbstring-version.rpm
[root@server1 ~]# rpm --query --requires php-mbstring-version.rpm
dependency1
dependency2
dependency3

List installed files

The -ql or --query --list options can be used to view all of the files installed by the package

[root@server1 ~]# rpm -ql php-mbstring-version.rpm
[root@server1 ~]# rpm --query --list php-mbstring-version.rpm
php-mbstring-version
php-mbstring-file1
php-mbstring-file2
php-mbstring-file3

List all installed packages

The -qa or --query --all options to view all installed packages.

[root@server1 ~]# rpm -qa
[root@server1 ~]# rpm --query --all
php-mbstring-version
some-other-rpm
another-rpm

Recently installed packages

The -qa --last or --query --all --last options can be used to view recently installed packages

[root@server1 ~]# rpm -qa --last
[root@server1 ~]# rpm --query --all --last
php-mbstring-version
some-other-rpm
another-rpm

Update a package

The -U or --update option can be used to update a package

[root@server1 ~]# rpm -U package_name
[root@server1 ~]# rpm --upgrade package_name

Remove a package

The -e or --erase option can be used to remove a package, but does not remove the configuration files

[root@server1 ~]# rpm -e package_name
[root@server1 ~]# rpm --erase package_name

Import public keys

The --import option can be used to import the public keys being used by a package. In this example, the CentOS version 6 public keys are imported.

[root@server1 ~]# rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6

Use the -qa or --query -all options can be used to verify the public keys have been imported

[root@server1 ~]# rpm -qa gpg-pubkey*
[root@server1 ~]# rpm --query --all gpg-pubkey*gpg-pubkey-12345678-9abcdefg

Use the -K or --checksig command to ensure the RPM package is OK.

[root@server1 ~]# rpm -K php-mbstring-version.rpm
[root@server1 ~]# rpm --checksig php-mbstring-version.rpm
php-mbstring-version.rpm: rsa sha1 (md5) pgp md5 OK