Package Manager Simulator

Master APT and YUM/DNF Package Management | House of Script

Quick Actions (APT)

user@debian:~$

Available Packages

Quick Actions (YUM/DNF)

user@fedora:~$

Available Packages

APT vs YUM/DNF Command Comparison

Action	APT (Debian/Ubuntu)	YUM (RHEL/CentOS)	DNF (Fedora)
Update package list	`apt update`	`yum check-update`	`dnf check-update`
Install package	`apt install package`	`yum install package`	`dnf install package`
Remove package	`apt remove package`	`yum remove package`	`dnf remove package`
Upgrade all packages	`apt upgrade`	`yum update`	`dnf upgrade`
Search for package	`apt search keyword`	`yum search keyword`	`dnf search keyword`
Show package info	`apt show package`	`yum info package`	`dnf info package`
List installed packages	`apt list --installed`	`yum list installed`	`dnf list installed`
Remove unused dependencies	`apt autoremove`	`yum autoremove`	`dnf autoremove`
Clean package cache	`apt clean`	`yum clean all`	`dnf clean all`
Download package without installing	`apt download package`	`yumdownloader package`	`dnf download package`

APT Repository Configuration

/etc/apt/sources.list

# Debian/Ubuntu APT repository sources # Format: deb [arch] repository_url distribution component # Main repositories deb http://archive.ubuntu.com/ubuntu/ jammy main restricted deb http://archive.ubuntu.com/ubuntu/ jammy universe multiverse # Security updates deb http://security.ubuntu.com/ubuntu jammy-security main restricted deb http://security.ubuntu.com/ubuntu jammy-security universe multiverse # Updates deb http://archive.ubuntu.com/ubuntu/ jammy-updates main restricted deb http://archive.ubuntu.com/ubuntu/ jammy-updates universe multiverse # Source repositories (commented out) # deb-src http://archive.ubuntu.com/ubuntu/ jammy main restricted

Key Components:
• main - Officially supported open source software
• restricted - Proprietary drivers for devices
• universe - Community-maintained open source software
• multiverse - Software restricted by copyright or legal issues

Managing Repositories:
• add-apt-repository ppa:user/ppa-name - Add PPA
• apt-key add keyfile - Add repository key
• apt update - Refresh package lists from repositories

YUM/DNF Repository Configuration

/etc/yum.repos.d/fedora.repo

# Fedora YUM/DNF repository configuration # Format: INI-style configuration file [fedora] name=Fedora $releasever - $basearch #baseurl=http://download.example/pub/fedora/linux/releases/$releasever/Everything/$basearch/os/ metalink=https://mirrors.fedoraproject.org/metalink?repo=fedora-$releasever&arch=$basearch enabled=1 countme=1 metadata_expire=7d repo_gpgcheck=0 type=rpm gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-$releasever-$basearch skip_if_unavailable=False [fedora-updates] name=Fedora $releasever - $basearch - Updates #baseurl=http://download.example/pub/fedora/linux/updates/$releasever/Everything/$basearch/ metalink=https://mirrors.fedoraproject.org/metalink?repo=updates-released-f$releasever&arch=$basearch enabled=1 repo_gpgcheck=0 type=rpm gpgcheck=1 metadata_expire=6h gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-fedora-$releasever-$basearch skip_if_unavailable=False

Key Directives:
• name - Human-readable repository name
• baseurl/metalink - Repository URL location
• enabled - Enable (1) or disable (0) the repository
• gpgcheck - Verify package signatures (1=yes, 0=no)
• gpgkey - Location of GPG key for verification

Managing Repositories:
• yum repolist - List enabled repositories
• yum-config-manager --add-repo url - Add repository
• dnf config-manager --set-enabled repo - Enable repository

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