Package Management

apt install Linux Command

Installs one or more packages from the repository.

What does apt install do?

Installs one or more packages from the repository.

apt install package_name

sudo apt install htop vim git

How do I install a package with apt?

Use `sudo apt install package_name` to install a package. Always run `sudo apt update` first to get the latest package list.

How do I install multiple packages at once?

Use `sudo apt install package1 package2 package3` to install multiple packages in a single command.

How do I install a specific version?

Use `sudo apt install package_name=version` like `sudo apt install nginx=1.18.0-0ubuntu1`.

How do I install a .deb file with apt?

Use `sudo apt install ./package.deb` and apt will handle dependencies automatically. This is better than dpkg -i.

How do I reinstall a package?

Use `sudo apt install --reinstall package_name` to reinstall a package, useful when files are corrupted.

How do I install without upgrading other packages?

Use `sudo apt install --no-upgrade package_name` to install without upgrading already installed packages.

How do I see what will be installed before confirming?

apt shows the list of packages to be installed and asks for confirmation before proceeding. Use `-y` to skip the prompt.

How do I install packages from a different release?

Edit /etc/apt/sources.list to add the desired release repository, then run `sudo apt update && sudo apt install package`.

Upgrades all installed packages to their latest available versions.

Removes a package but keeps its configuration files.

Updates the local package index with the latest information from repositories.

Removes a package along with all its configuration files.

Installs Python packages from the Python Package Index (PyPI).

Removes packages that were automatically installed as dependencies and are no longer needed.