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Package Management

Distribution-Specific Package Managers​

Debian/Ubuntu (APT)​

# Package database management
sudo apt update                    # Update package list
sudo apt upgrade                   # Upgrade installed packages
sudo apt full-upgrade             # Upgrade with dependency resolution
sudo apt dist-upgrade             # Distribution upgrade

# Package installation
sudo apt install package          # Install package
sudo apt install package=version  # Install specific version
sudo apt install -y package       # Install without prompts
sudo apt install --no-install-recommends package  # Minimal install
sudo apt install ./package.deb    # Install local .deb file

# Package removal
sudo apt remove package           # Remove package (keep config)
sudo apt purge package            # Remove package and config
sudo apt autoremove              # Remove unused dependencies
sudo apt autoclean               # Clean package cache

# Package information
apt search pattern               # Search for packages
apt show package                 # Show package details
apt list --installed             # List installed packages
apt list --upgradable            # List upgradable packages
dpkg -l                         # List all installed packages
dpkg -L package                 # List files in package
dpkg -S /path/to/file          # Find package owning file

Red Hat/CentOS/Fedora (YUM/DNF)​

# Package database management
sudo yum update                   # Update all packages (RHEL/CentOS)
sudo dnf update                   # Update all packages (Fedora)
sudo yum check-update            # Check for updates
sudo dnf upgrade                 # Upgrade packages (Fedora)

# Package installation
sudo yum install package         # Install package
sudo dnf install package         # Install package (Fedora)
sudo yum install -y package      # Install without prompts
sudo yum localinstall package.rpm  # Install local RPM
sudo dnf install ./package.rpm   # Install local RPM (Fedora)

# Package removal
sudo yum remove package          # Remove package
sudo dnf remove package          # Remove package (Fedora)
sudo yum autoremove             # Remove unused dependencies
sudo dnf autoremove             # Remove unused dependencies (Fedora)

# Package information
yum search pattern              # Search for packages
dnf search pattern              # Search for packages (Fedora)
yum info package               # Show package details
dnf info package               # Show package details (Fedora)
yum list installed             # List installed packages
dnf list installed             # List installed packages (Fedora)
rpm -qa                        # List all installed packages
rpm -ql package               # List files in package
rpm -qf /path/to/file         # Find package owning file

Arch Linux (Pacman)​

# Package database management
sudo pacman -Sy                  # Update package database
sudo pacman -Syu                 # Full system upgrade
sudo pacman -Syyu                # Force refresh and upgrade

# Package installation
sudo pacman -S package           # Install package
sudo pacman -S --needed package  # Install if not already installed
sudo pacman -U package.pkg.tar.xz  # Install local package

# Package removal
sudo pacman -R package           # Remove package
sudo pacman -Rs package          # Remove package and dependencies
sudo pacman -Rns package         # Remove package, deps, and config
sudo pacman -Rdd package         # Force remove (dangerous)

# Package information
pacman -Ss pattern              # Search for packages
pacman -Si package              # Show package info
pacman -Q                       # List installed packages
pacman -Ql package              # List files in package
pacman -Qo /path/to/file        # Find package owning file
pacman -Qdt                     # List orphaned packages

# Cache management
sudo pacman -Sc                 # Clean package cache
sudo pacman -Scc                # Clean all cache

openSUSE (Zypper)​

# Package database management
sudo zypper refresh             # Refresh repositories
sudo zypper update              # Update installed packages
sudo zypper dup                 # Distribution upgrade

# Package installation
sudo zypper install package     # Install package
sudo zypper in package          # Install package (short form)
sudo zypper install -y package  # Install without prompts

# Package removal
sudo zypper remove package      # Remove package
sudo zypper rm package          # Remove package (short form)

# Package information
zypper search pattern          # Search for packages
zypper info package            # Show package details
zypper pa --installed-only     # List installed packages
rpm -ql package               # List files in package

Alpine Linux (APK)​

# Package database management
apk update                      # Update package index
apk upgrade                     # Upgrade installed packages

# Package installation
apk add package                 # Install package
apk add --no-cache package      # Install without caching
apk add package=version         # Install specific version

# Package removal
apk del package                 # Remove package

# Package information
apk search pattern             # Search for packages
apk info package               # Show package details
apk list -I                    # List installed packages
apk info -L package            # List files in package

Repository Management​

APT Repository Management​

# Repository configuration
sudo add-apt-repository ppa:user/ppa  # Add PPA
sudo add-apt-repository -r ppa:user/ppa  # Remove PPA
sudo apt-key add key.asc          # Add GPG key
sudo apt-key list                 # List GPG keys

# Manual repository addition
echo "deb http://repo.example.com/ubuntu $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/example.list

# Repository information
apt-cache policy               # Show repository priorities
apt-cache madison package     # Show available versions

YUM/DNF Repository Management​

# Repository management
sudo yum-config-manager --add-repo http://repo.example.com/repo.repo
sudo dnf config-manager --add-repo http://repo.example.com/repo.repo
sudo yum-config-manager --enable repo-name
sudo yum-config-manager --disable repo-name

# Repository information
yum repolist                   # List enabled repositories
dnf repolist                   # List enabled repositories (Fedora)
yum repoinfo repo-name         # Show repository info

Pacman Repository Management​

# Repository configuration (edit /etc/pacman.conf)
sudo vim /etc/pacman.conf

# Add repository
[repository-name]
Server = https://repo.example.com/$arch

# Refresh after adding repository
sudo pacman -Sy

Software Compilation from Source​

Make/Autotools​

# Traditional autotools build
./configure                     # Configure build
./configure --prefix=/usr/local  # Custom install prefix
make                           # Compile
make -j$(nproc)                # Parallel compilation
sudo make install              # Install
sudo make uninstall            # Uninstall (if supported)

# Common configure options
./configure --help             # Show configure options
./configure --disable-feature  # Disable feature
./configure --enable-feature   # Enable feature

CMake​

# CMake build process
mkdir build && cd build       # Create build directory
cmake ..                      # Configure build
cmake -DCMAKE_BUILD_TYPE=Release ..  # Release build
cmake -DCMAKE_INSTALL_PREFIX=/usr/local ..  # Custom prefix
make                         # Compile
make -j$(nproc)              # Parallel compilation
sudo make install            # Install

# CMake options
cmake -DCMAKE_BUILD_TYPE=Debug ..     # Debug build
cmake -DBUILD_SHARED_LIBS=ON ..       # Build shared libraries

Ninja Build System​

# Using Ninja with CMake
cmake -GNinja ..              # Generate Ninja build files
ninja                         # Build with Ninja
ninja install                 # Install

Building Dependencies​

# Install build dependencies (Debian/Ubuntu)
sudo apt install build-essential
sudo apt build-dep package-name

# Install build dependencies (RHEL/CentOS)
sudo yum groupinstall "Development Tools"
sudo yum-builddep package-name

# Install build dependencies (Fedora)
sudo dnf install @development-tools
sudo dnf builddep package-name

Dependency Management​

Dependency Resolution​

# APT dependency management
apt-cache depends package      # Show package dependencies
apt-cache rdepends package     # Show reverse dependencies
apt-mark hold package          # Hold package version
apt-mark unhold package        # Unhold package

# YUM/DNF dependency management
yum deplist package           # Show dependencies
dnf repoquery --requires package  # Show requirements
yum history                   # Show transaction history
dnf history                   # Show transaction history (Fedora)

# Pacman dependency management
pactree package               # Show dependency tree
pactree -r package            # Show reverse dependencies

Broken Dependencies​

# Fix broken dependencies (APT)
sudo apt --fix-broken install
sudo apt install -f
sudo dpkg --configure -a

# Fix broken dependencies (YUM/DNF)
sudo yum check
sudo yum clean all && sudo yum update
sudo dnf check
sudo dnf clean all && sudo dnf update

Third-Party Package Managers​

Snap Packages​

# Snap management
sudo snap install package     # Install snap package
sudo snap install --classic package  # Install with classic confinement
sudo snap remove package      # Remove snap package
sudo snap refresh             # Update all snaps
sudo snap refresh package     # Update specific snap

# Snap information
snap find pattern            # Search for snaps
snap info package            # Show snap details
snap list                    # List installed snaps
snap services               # List snap services

Flatpak​

# Flatpak management
flatpak install flathub app.id  # Install from Flathub
flatpak install app.flatpak     # Install local flatpak
flatpak uninstall app.id        # Uninstall application
flatpak update                  # Update all flatpaks
flatpak update app.id           # Update specific app

# Flatpak information
flatpak search pattern         # Search for flatpaks
flatpak info app.id            # Show app details
flatpak list                   # List installed flatpaks
flatpak remote-ls flathub       # List remote repository apps

# Repository management
flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo
flatpak remote-list            # List repositories

AppImage​

# AppImage usage
chmod +x application.AppImage  # Make executable
./application.AppImage         # Run AppImage

# AppImage management tools
# Install AppImageLauncher for system integration
sudo apt install appimagelauncher

# Extract AppImage contents
./application.AppImage --appimage-extract

Package Signing and Verification​

GPG Key Management​

# APT key management
sudo apt-key add key.asc      # Add GPG key
sudo apt-key list             # List GPG keys
sudo apt-key del KEYID        # Remove GPG key

# Manual key verification
gpg --keyserver keyserver.ubuntu.com --recv-keys KEYID
gpg --export --armor KEYID | sudo apt-key add -

Package Verification​

# Verify APT packages
apt-cache policy package      # Check package authenticity
debsums -s                   # Verify installed packages

# Verify RPM packages
rpm -Va                      # Verify all packages
rpm -V package               # Verify specific package
rpm --checksig package.rpm   # Check RPM signature

# Verify Pacman packages
pacman -Qk                   # Check all packages
pacman -Qk package           # Check specific package

Package Troubleshooting​

Common Issues and Solutions​

# APT lock issues
sudo rm /var/lib/apt/lists/lock
sudo rm /var/cache/apt/archives/lock
sudo rm /var/lib/dpkg/lock*
sudo dpkg --configure -a

# Corrupted package database
sudo apt clean
sudo apt autoclean
sudo apt update

# Package conflicts
sudo apt install -f          # Fix broken packages
sudo dpkg --configure -a     # Configure pending packages

Package State Recovery​

# Reset package state (APT)
sudo apt clean all
sudo apt update
sudo apt upgrade

# Reset package state (YUM/DNF)
sudo yum clean all
sudo yum makecache
sudo yum update

# Reset package state (Pacman)
sudo pacman -Sc
sudo pacman -Sy

Version Management​

Version Pinning​

# APT version pinning
sudo apt-mark hold package    # Hold current version
sudo apt-mark unhold package  # Unhold version
apt-cache policy package      # Check version policy

# Create apt preferences
sudo vim /etc/apt/preferences.d/package-pin
# Content:
Package: package-name
Pin: version 1.2.3
Pin-Priority: 1001

# YUM version locking
sudo yum install yum-plugin-versionlock
sudo yum versionlock add package
sudo yum versionlock list
sudo yum versionlock delete package

Downgrading Packages​

# Downgrade APT package
sudo apt install package=version

# Downgrade YUM package
sudo yum downgrade package

# Downgrade Pacman package
sudo pacman -U /var/cache/pacman/pkg/package-version.pkg.tar.xz

Package Cleanup and Maintenance​

Cache Management​

# APT cache cleanup
sudo apt autoclean           # Remove partial packages
sudo apt clean               # Remove all cached packages
sudo apt autoremove          # Remove unused dependencies

# YUM/DNF cache cleanup
sudo yum clean all           # Clean all cache
sudo dnf clean all           # Clean all cache (Fedora)
sudo yum autoremove          # Remove unused packages

# Pacman cache cleanup
sudo pacman -Sc              # Clean package cache
sudo pacman -Scc             # Clean all cache
sudo pacman -Rns $(pacman -Qtdq)  # Remove orphaned packages

System Maintenance​

# Check for broken packages
sudo apt check              # Check for broken packages
sudo yum check              # Check for problems
sudo pacman -Qk             # Check package integrity

# Update package databases
sudo apt update && sudo apt upgrade
sudo yum update
sudo dnf update
sudo pacman -Syu

# Clean up package files
sudo apt autoremove && sudo apt autoclean
sudo yum autoremove && sudo yum clean all
sudo pacman -Rns $(pacman -Qtdq) && sudo pacman -Sc

Package Creation and Maintenance​

Creating DEB Packages​

# Basic DEB package structure
mkdir -p package/DEBIAN
mkdir -p package/usr/bin

# Create control file
cat > package/DEBIAN/control << EOF
Package: mypackage
Version: 1.0
Section: utils
Priority: optional
Architecture: all
Maintainer: Your Name <your.email@example.com>
Description: My custom package
EOF

# Build package
dpkg-deb --build package mypackage_1.0_all.deb

Creating RPM Packages​

# Install RPM build tools
sudo yum install rpm-build rpmdevtools

# Create RPM build environment
rpmdev-setuptree

# Create spec file
rpmdev-newspec mypackage

# Build RPM
rpmbuild -ba ~/rpmbuild/SPECS/mypackage.spec

Creating Pacman Packages​

# Create PKGBUILD file
cat > PKGBUILD << EOF
pkgname=mypackage
pkgver=1.0
pkgrel=1
pkgdesc="My custom package"
arch=('any')
url="https://example.com"
license=('GPL')
source=("mypackage.tar.gz")
md5sums=('checksum')

package() {
    cd "$pkgname-$pkgver"
    make DESTDIR="$pkgdir/" install
}
EOF

# Build package
makepkg -s

Advanced Package Operations​

Package Queries and Analysis​

# Advanced package queries
dpkg-query -W -f='${Installed-Size;10}\t${Package}\n' | sort -k1,1n  # Sort by size
rpm -qa --qf '%{SIZE} %{NAME}\n' | sort -n  # Sort RPM packages by size
pacman -Qi | grep 'Installed Size' | sort -h  # Sort Pacman packages by size

# Find configuration files
dpkg -L package | grep /etc/
rpm -qc package
pacman -Ql package | grep /etc/

# Package file conflicts
dpkg -S /path/to/file        # Find package owning file
rpm -qf /path/to/file        # Find package owning file
pacman -Qo /path/to/file     # Find package owning file

Batch Operations​

# Bulk package operations
apt list --installed | awk -F/ '{print $1}' | xargs sudo apt remove  # Remove all
yum list installed | awk '{print $1}' | xargs sudo yum remove  # Remove all
pacman -Qe | awk '{print $1}' | xargs sudo pacman -Rs  # Remove explicitly installed

# Export/import package lists
dpkg --get-selections > package-list.txt
dpkg --set-selections < package-list.txt
sudo apt dselect-upgrade