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Package Manager

Linux Package Manager

Advanced Package Tool (Apt) – Ubuntu, Debian-based Distro

  • apt update: update list of available packages

  • apt upgrade [package name]: upgraded installed packages after database has been updated

  • apt-cache search [keyword]: display information stored in cache, search in name and description

  • apt show [keyword]: Show information about a package

  • apt install {package name} [-y]

  • apt remove [–purge]: remove package, –purge will remove all leftover configuration

  • lsb_release -cs: check Ubuntu base version

Add Apt Repository

  • Local list: /etc/apt/sources.list and /etc/apt/sources.list.d/

  • Backup Sources: /usr/share/doc/apt/examples/sources.list

  • apt-get install --reinstall apt: Regenerate Source List

dpkg

  • dpkg -i package.deb: install .deb package

RPM - Redhat, CentOS

  • rpm -qa | grep -i <$keyword>: search for package

  • rpm -e <$package name>: erase/remove package

  • rpm -ivh <$package.rpm>: Install package

dnf - Oracle Linux

Yum - Redhat, CentOS

  • yum repolist [-v]: list repositories, -v is verbose with details

  • yum repolist --all: list repositories with status

  • yum-config-manager --enable/--disable $reponame: enable/disable a repository

  • rm -f /etc/yum.repos.d/repository-name.repo: remove a repository

  • remove repository package if installed via RPM package

  • yum check-update: used in Red Hat-based Linux distributions (such as CentOS and Fedora) to check for available package updates without actually installing them. It helps users gather information about updates before deciding whether to proceed with an upgrade.

  • yum search $keyword

  • yum list installed

  • yum info $package-name: info about specific package

  • yum clean all: clean cache

  • yum provides /path/to/file: Find which package provides a specific file

  • subscription-manager repos --list

  • subscription-manager repos --enable $REPO

Reference

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