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LPI101 - 4.5

Use Debian Package Management

Question	Answer
dpkg -E	Do not overwrite a previously installed package of the same version.
dpkg -G	Do not overwrite a previously installed package with an older version of that same package.
dpkg -R	Recursively process package files in specified subdirectories. Works with -i,--install, --unpack, and so on.
dpkg --configure package	Configure an unpacked package. This involves setup of configuration files.
dpkg -i package	Install the package contained in package_file. This involves backing up old files, unpacking and installation of new files, and configuration.
dpkg -l pattern	Display information for installed package names that match pattern.
dpkg -L package	List files installed from package.
dpkg --print-avail package	Display details found in /var/lib/dpkg/available about package.
dpkg --purge package	Remove everything for package.
dpkg -r package	Remove everything except configuration files for package.
dpkg -s package	Report the status of package.
dpkg -S search_pattern	Search for a filename matching search_pattern from installed packages.
dpkg --unpack package_file	Unpack package_file, but don't install the package it contains.
apt-get -d	Download files, but do not install. This is useful when you wish to get a large number of package files but delay their installation to prevent installation errors from stopping the download process.
apt-get -s	Simulate the steps in a package change, but do not actually change the system.
apt-get -y	Automatically respond "yes" to all prompts, instead of prompting you for a response during package installation/removal.
apt-get dist-upgrade	Upgrade automatically to new versions of Debian Linux.
apt-get install	Install or upgrade one or more packages by name.
apt-get remove	Remove specified packages.
apt-get update	Fetch a list of currently available packages. This is typically done before any changes are made to existing packages.
apt-get upgrade	Upgrade a system's complete set of packages to current versions safely. This command is conservative and will not process upgrades that could cause a conflict or break an existing configuration; it also will not remove packages.
alien -i	Automatically install the output package and remove the converted package file.
alien -r	Convert package to RPM format.
alien -t	Convert package to a gzip tar archive.

Created by: jtuyen on 2008-09-02

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LPI101 - 4.5

Use Debian Package Management