Linux Commands - File System Operations

Here is a compilation of the most useful Linux commands for Package Installers and Repositories.

Package Installers and Repositories

# Show libraries required by a program or command
ldd program

# Download from Github
git clone git://github.com/directory/project.git

Deb Packages (Debian and derivatives)

# Install / update a deb package
dpkg -i package.deb

# Remove a deb package from the system
dpkg -r package

# Show all installed deb packages in the system
dpkg -l

# Show all deb packages with a name
dpkg -l | grep name

# Get information on an installed package in the system
dpkg -s package

# Show list of files given by an installed package in the system
dpkg -L package

# Show list of files given by an uninstalled package
dpkg –contents package.deb

# Verify which package a file belongs to
dpkg -S file

APT Package Updater (Ubuntu and derivatives)

# Install / update a deb package
apt-get install package

# Add repository
sudo sh -c 'echo repository' >> /etc/apt/sources.list

# Also
sudo add-apt-repository ppa:repository

# Update package list
apt-get update

# Update installed packages
apt-get upgrade

# Remove a package from the system
apt-get remove package

# Search for a package
apt-cache search package

# Verify dependency resolution
apt-get check

# Clean cache from downloaded packages
apt-get clean