You can install a program called sl by typing:Īfter that, you’ll be able to run sl on the command line. You can see that it is possible to install multiple packages at one time, which is useful for acquiring all of the necessary software for a project in one step.Īpt installs not only the requested software, but also any software needed to install or run it. If you know the name of a package you need to install, you can install it by using apt install: You will be prompted to confirm the upgrades, and restart any updated system services: You can upgrade the packages on your system by using apt upgrade. How to Upgrade Installed Packages with Apt After this, your database should be up-to-date. You will see a list of servers we are retrieving information from. Apt requires administrative privileges for most operations: Update the local database with apt update. It performs installations, package searches, and many other operations by referencing this database.īecause of this, before beginning any packaging operations with apt, we need to ensure that our local copy of the database is up-to-date. ![]() How To Update the Package Database with AptĪpt operates on a database of known, available software. ![]() We will be practicing on an Ubuntu 22.04 cloud server, but the same steps and techniques should apply on any other Ubuntu or Debian-based distribution. In this guide, we will discuss the basic usage of apt and apt-cache and how they can manage your software. This allows users to efficiently manage large amounts of software easily. While a tool called “dpkg” forms the underlying packaging layer, apt and apt-cache provide user-friendly interfaces and implement dependency handling. ![]() ![]() It is the main package management system in Debian and Debian-based Linux distributions like Ubuntu. Apt is a command line frontend for the dpkg packaging system and is the preferred way of managing software from the command line for many distributions.
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