Package Management Commands

What two forms is Linux software available in?

source code and pre-compiled applications

What do source code packages require?

compilation with the appropriate compiler and options

How are pre-compiled packages installed?

using a package manager

Which package manager is used by Debian-based distributions, and what package format does it use?

APT and .deb

Which package manager is used by Red Hat-based distributions, and what package format does it use?

DNF and .rpm

What is DNF the successor to, and what does it offer?

YUM; improved performance and better dependency management

What does a Linux distribution include?

precompiled software packages deemed appropriate by the vendor or sponsor

Where are distribution packages and updates posted?

software repositories

What kinds of repositories do vendors often maintain?

stable, beta, and unsupported packages

What must package managers be configured with?

the web addresses of desired repositories

What do package managers handle?

installing, uninstalling, and updating software

How is package integrity verified before installation or updates?

cryptographic hashes or signatures such as MD5, SHA-256, or GPG

What command refreshes package information with apt?

apt update

What command upgrades all packages with apt?

apt upgrade

What command installs a new application with apt?

apt install PackageName

What older command may you encounter on older systems or in scripts for similar APT functionality?

apt-get

What command refreshes package information with apt-get?

apt-get update

What command upgrades all packages with apt-get?

apt-get upgrade

What command refreshes package information with dnf?

dnf check-update

What commands upgrade all packages with dnf?

dnf update or dnf upgrade

Which term is preferred in modern DNF usage: update or upgrade?

upgrade

What command installs a new application with dnf?

dnf install PackageName

What command removes an application with dnf?

dnf remove PackageName