How does apt install work?

How does apt install work?

All packages required by the package(s) specified for installation will also be retrieved and installed. Those packages are stored on a repository in the network. So, apt-get downloads all the needed ones into a temporary directory ( /var/cache/apt/archives/ ). They will be downloaded from a web- or a ftp-server.

Where does apt-get install get packages from?

This list get downloaded and stored in /var/lib/apt/lists for posterior use. These are lists of all packages available from the repositories you selected. Even if you remove your sources.

What does do in apt-get?

apt-get command

• Update the list of available packages.
• Upgrade all installed packages to the newest versions.
• Perform the upgrade of all installed packages and handle the changing dependencies.
• Install a package by package name.
• Remove a package by package name.
• Check the package database for consistency.

What sudo apt install do?

apt is a command-line utility for installing, updating, removing, and otherwise managing deb packages on Ubuntu, Debian, and related Linux distributions. It combines the most frequently used commands from the apt-get and apt-cache tools with different default values of some options.

What sudo apt-get install do?

What is the meaning of the command “sudo apt-get install“? sudo apt-get install command is used to download the latest version of your desired application from an online software repository pointed to by your sources. list configuration file and and install that application on your Linux machine.

Which is better APT or apt-get?

apt-get may be considered as lower-level and “back-end”, and support other APT-based tools. apt is designed for end-users (human) and its output may be changed between versions. Note from apt(8): The `apt` command is meant to be pleasant for end users and does not need to be backward compatible like apt-get(8).

What happens when you use apt-get install?

Suppose you already have a package installed, but you used the install command for it anyway. apt-get will actually look into the database, and if a newer version is available, it will upgrade the installed package to the newer one. So no harm is done by using this command — unless you don’t want the package to be upgraded.

What are the two main commands of apt-get?

There are two main tools around APT: apt-get and apt-cache. apt-get is for installing, upgrading, and cleaning packages, while apt-cache is used for finding new packages. We’ll see all of these commands with examples later in this guide.

What’s the difference between apt get and apt cache?

You can use it to find and install new packages, upgrade packages, clean your packages, etc. There are two main tools around APT: apt-get and apt-cache. apt-get is for installing, upgrading, and cleaning packages, while apt-cache is used for finding new packages.

What to do after installing Ubuntu apt-get update?

In fact, first in the list of things to do after installing Ubuntu is to use apt-get update and apt-get upgrade. Now, you might be aware of a few apt-get commands and their usage, but you might not be aware of some others.