Chapter 2 Flashcards
Packages
collection of files that are installed on the computer. Once installed, most of these contain many many files
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Dependency Information
requirements of packages for one another
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Checksums
Used to verify or validity of the software. Intended to help spot disk errors
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RPM
RPM Package Monitor… because Linux loves terrible recursive acronyms
Most popular package monitor in Linux. It can even be used in some Unix systems
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Distros of Red Hat
Red Hat - for pay enterprise
CentOS - Free enterprise
Fedora - Basic home version
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Filename Components
Package Name
Version Number
Build Number
Architecture
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Yum
one of several meta-packagers. It enables you to install a package and all its dependencies easily using a single command line
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rpm operand
-i
Installs a package
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rpm operand
-U
Installs a new package or upgrades an existing one
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rpm operand
-F or –freshen
Upgrades a package only if an earlier version already exists
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rpm operand
-q
Queries a package… is it installed? what files does it contain?
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rpm operand
-V or –verify
Verifies a package and checks that its files are present and unchanged since installation
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rpm operand
-e
Uninstalls a package
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rpm operand
-b
Builds a binary package, given source code and configuration files
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rpm operand
–rebuild
Builds a binary package, given a source RPM file; moved to the rpmbuild program with RPM v4.2
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