RPM IN REDHAT LINUX

RPM

Features:

1. Provides package management
• Query
• Install
• Uninstall
• Upgrade
• Verify

2. Auto-verifies packages using GPG, MD5, SHA1SUMs

3. Automatically reports on unresolved dependencies
'rpm'

Query:

1. rpm -qa - dumps all installed packages

2. rpm -qa | wc -l - this dumps all packages and provides a count

3. rpm -qa | grep -i nano

4. rpm -qi nano - dumps info. about the 'nano' package as it's recorded in the
local RPM database

5. rpm -qf /usr/bin/nano - dumps package membership info. for the 'nano' file

6. rpm -qpi http://192.168.75.100/RH5/i386/Server/dhcp-3.0.5-7.el5.i386.rpm -
dumps info. about the uninstalled 'dhcp' package, which resides on the
repository

7. rpm -ql package_name - returns all included files

Verify:

1. rpm -Va - verifies ALL packages on the system, returning info. only if there
are discrepancies from the original installation

2. rpm -Vf /usr/bin/nano

3. rpm -Vp nano

Install (Does NOT overwrite previous package):

Note: Use this method to install a new version of the kernel

1. rpm -ivh *.rpm

2. rpm -ivh http://192.168.75.100/RH5/i386/Server/dhcp-3.0.5-7.el5.i386.rpm

Task:

Change '/usr/bin/nano' then verify

SM5....T /usr/bin/nano

S(file size), M(mode or permissions), 5(MD5), T(mod time)

Upgrade (Installs or overwrites existing package):

1. rpm -Uvh *.rpm

2. rpm -Uvh http://192.168.75.100/RH5/i386/Server/dhcp-3.0.5-7.el5.i386.rpm

Freshen (Updates an existing package):

Note: Will NOT install the package, if it doesn't exist locally

1. rpm -Fvh *.rpm - freshens the current version of a package

Removal:
1. rpm -ev *.rpm - removes a pacakge

Note: removal process considers dependencies and will complain if the removal will break 1 or more packages. To get around this, use '--nodeps' option with 'rpm -ev --nodeps *.rpm'

2. rpm -ev gftp

Package Management GUI:

1. Add/Remove Software
2. system-config-packages