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| − | Advanced | + | Advanced Package Tool, or [[Wikipedia:APT (Debian)|APT]], is a free software user interface that works with core libraries to handle the installation and removal of software on Debian, Ubuntu and other Linux distributions. |
| − | Main Advanced Package Tool (APT) binaries are: <code>apt</code>, <code> | + | Main Advanced Package Tool (APT) binaries are: <code>apt</code>, <code>apt-get</code> and <code>apt-cache</code> |
| − | == Basic apt commands == | + | == Basic apt-get/apt commands == |
* Installing: <code>apt install PACKAGE_NAME</code> | * Installing: <code>apt install PACKAGE_NAME</code> | ||
| − | * <code> | + | * <code>apt show PACKAGE_NAME</code> or <code>aptitude show PACKAGE_NAME</code> |
| − | * <code> | + | * <code>apt policy PACKAGE_NAME</code> <ref>https://askubuntu.com/a/347805/897490</ref> Provides source repository for a given package. |
| − | * <code> | + | * <code>apt-get update && apt-get upgrade</code> |
* Showing pending to update packages: <code>apt-get upgrade --dry-run</code> or <code>apt-get upgrade -s</code> | * Showing pending to update packages: <code>apt-get upgrade --dry-run</code> or <code>apt-get upgrade -s</code> | ||
** <code>/usr/lib/update-notifier/apt-check --human-readable</code> | ** <code>/usr/lib/update-notifier/apt-check --human-readable</code> | ||
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== Basic [[apt-cache]] commands == | == Basic [[apt-cache]] commands == | ||
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== Relevant configuration files and directories == | == Relevant configuration files and directories == | ||
| − | * <kbd>/etc/apt/ | + | * <kbd>/etc/apt/sources.list</kbd><ref>https://wiki.debian.org/SourcesList</ref>: Configuration files with locations to fetch packages from. |
| − | * <kbd> | + | * <kbd>/etc/apt/sources.list.d/</kbd>: directory with additional source list fragments. |
== Updates == | == Updates == | ||
* To collect information about what installed packages can be upgraded: | * To collect information about what installed packages can be upgraded: | ||
** <code>[[apt update]]</code> | ** <code>[[apt update]]</code> | ||
| − | ** <code> | + | ** <code>apt list --upgradable</code> |
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** <code>apt-get upgrade --dry-run</code> or <code>apt-get upgrade -s</code> | ** <code>apt-get upgrade --dry-run</code> or <code>apt-get upgrade -s</code> | ||
| − | ** <code>apt update && | + | ** <code>apt update && apt upgrade</code> |
* To upgrade all installed packages: <code>apt upgrade</code> | * To upgrade all installed packages: <code>apt upgrade</code> | ||
| − | * <code>apt dist-upgrade</code> (see also <code>[[do-release-upgrade]]</code>) | + | * <code>apt dist-upgrade</code> (see also <code>[[/do-release-upgrade/]]</code>) |
| − | * [[ | + | * apt [[/Automatic updates/]] |
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=== Holding packages === | === Holding packages === | ||
| − | To avoid packages from being upgrade when upgrading use <code> | + | To avoid packages from being upgrade when upgrading use <code>apt-mark</code> command |
| − | * <code> | + | * <code>apt-mark hold PACKAGE_NAME</code> |
* <code>apt-mark unhold PACKAGE_NAME</code> | * <code>apt-mark unhold PACKAGE_NAME</code> | ||
* <code>apt-mark showhold</code><ref>https://askubuntu.com/questions/640986/how-to-get-a-list-of-installed-packages-held-back-from-upgrade</ref> | * <code>apt-mark showhold</code><ref>https://askubuntu.com/questions/640986/how-to-get-a-list-of-installed-packages-held-back-from-upgrade</ref> | ||
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== Activities == | == Activities == | ||
# Read differences between <code>apt upgrade</code> and <code>apt dist-upgrade</code>: https://unix.stackexchange.com/a/304887 | # Read differences between <code>apt upgrade</code> and <code>apt dist-upgrade</code>: https://unix.stackexchange.com/a/304887 | ||
| − | # Read [[ | + | # Read [[Linux server administration/apt/Automatic updates]] |
# Install <code>software-properties-common</code> package<ref> https://packages.debian.org/sid/admin/software-properties-common</ref> to be able to use <code>[[apt-add-repository]]</code> Python command available since 2004. | # Install <code>software-properties-common</code> package<ref> https://packages.debian.org/sid/admin/software-properties-common</ref> to be able to use <code>[[apt-add-repository]]</code> Python command available since 2004. | ||
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== See Also == | == See Also == | ||
| − | * | + | * [[dpkg]], [[dnf]] and [[snap]] |
| + | * [[wikipedia:Deb_(file_format)]] to understand ''.deb'' internal format an included files: ''preinst, postinst, prerm and postrm.'' | ||
| + | * [[RPM]] (Linux) | ||
| + | * [[pkgutil]] ([[MacOS]]) | ||
| + | * [[brew]] ([[MacOS]]), command of the [[Homebrew]] package management software [[wikipedia:Homebrew (package management software)]] | ||
| + | * [[pkg]] ([[FreeBSD]]) | ||
| + | * [[wikipedia:apt-file]] to view the contents of [[Debian]] packages on remote repositories | ||
| + | * [[opkg]] | ||
| + | * [[Package manager]] | ||
* {{apt}} | * {{apt}} | ||
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{{CC license}} | {{CC license}} | ||
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[[Category:Server administration]] | [[Category:Server administration]] | ||
| + | [[Category:Operating systems]] | ||
[[Category:Linux]] | [[Category:Linux]] | ||
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