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Basic Commands of APT-GET and APT-CACHE for Package Management
Apt-get is the command-line utility for dealing with applications and may be considered for the person’s “back-end” to other tools for making use of the APT library.Apt-cache performs a variety of operations on APT’s package.This article explains about -“Basic Commands of APT-GET and APT-CACHE for Package Management”.
Apt-get
To get the more options about apt-get, use the following command as shown below –
$ apt-get -h
The sample output contains the following options as shown below –
update - Retrieve new lists of packages upgrade - Perform an upgrade install - Install new packages (pkg is libc6 not libc6.deb) remove - Remove packages purge - Remove packages and config files autoremove - Remove automatically all unused packages dist-upgrade - Distribution upgrade, see apt-get(8) dselect-upgrade - Follow dselect selections build-dep - Configure build-dependencies for source packages clean - Erase downloaded archive files autoclean - Erase old downloaded archive files check - Verify that there are no broken dependencies source - Download source archives download - Download the binary package into the current directory changelog - Download and display the changelog for the given package
Installing package
To install the package with apt-get, use the following command as shown below –
$ sudo apt-get install <package name>
Ugrade the software packages
To upgrade the software packages, use the following command –
$ sudo apt-get upgrade
Remove unused packages
To remove automatically all unused packages, use the following command –
$ sudo apt-get autoremove
Erase downloaded archive files
To erase downloaded archive files, use the following command –
$ sudo apt-get clean
Erase old downloaded archives
To erase old downloaded archive files, use the following command –
$ sudo apt-get autoclean
Verify broken Dependencies
To verify that there are no broken dependencies, use the following command –
$ sudo apt-get check
Apt-cache
To get the more options about apt-cache, use the following commands –
$ sudo apt-cache --help
The sample options of apt-cache as shown below –
showsrc - Show source records search - Search the package list for a regex pattern depends - Show raw dependency information for a package rdepends - Show reverse dependency information for a package show - Show a readable record for the package pkgnames - List the names of all packages in the system policy - Show policy settings
Get the dependencies of package
To get the dependencies of package or source records, use the following command –
$sudo apt-cache showsrc <packegename>
Package list of a regex pattern
To get the package list for a regex pattern, use the following command –
$sudo apt-cache search <packegename>
Raw dependency information
To show raw dependency information for a package, use the following command –
$ apt-cache depends <packegename>
Show reverse dependency information
To show reverse dependency information for a package, use the following command –
$ apt-cache rdepends <packegename>
Show a readable record
To show a readable record for the package, use the following command –
$ apt-cache show <packegename>
Show the names of all packages
To show the names of all packages in the system, use the following command –
$ apt-cache pkgnames
In the above article, we have learnt about – Learn Basic Commands of APT-GET and APT-CACHE for Package Management. In our next articles, we will come up with more Linux based tricks and tips. Keep reading.
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