Run 'apt list -upgradable' to see them.įrom the output, apt gives the total number of packages available for upgrade. Notably, there’s info at the end of the apt update command output: 214 packages can be upgraded. Get:40 jammy/universe Translation-en Ħ1% Ģ14 packages can be upgraded. Here, we’ll use the following command: $ sudo apt update Remember, keeping your system updated is not just about getting the latest features, but also about ensuring that you have the latest security patches.First, we’ll fetch data on new updates for packages on the system. In conclusion, sudo apt update should be run before installing new packages, and sudo apt update & sudo apt upgrade should be run as a form of system maintenance to keep everything up to date. This ensures that your system has the latest package list and that all installed packages are upgraded to their latest versions. This command is typically run as a form of system maintenance, ensuring that all software is up to date.įor example, to update all your packages, you’d run: sudo apt update & sudo apt upgrade You should run sudo apt update & sudo apt upgrade when you want to both update your package list and upgrade all installed packages. When to Use sudo apt update & sudo apt upgrade This ensures that you’re installing the latest version of X. This ensures that your system knows about the latest versions of packages and their dependencies.įor example, if you’re about to install package X, you’d run: sudo apt update You should run sudo apt update when you’re about to install a new package. Now that we understand what these commands do, when should we use them? When to Use sudo apt update When to Use sudo apt update vs sudo apt update & sudo apt upgrade If an upgrade needs to remove an installed package, that upgrade won’t be performed. However, sudo apt upgrade will never remove currently installed packages. It does this by fetching the packages from the locations specified in your sources list (the same one updated with sudo apt update). The sudo apt upgrade command is used to install the newest versions of all packages currently installed on your system. It ensures that your local list of available packages is up to date, which is crucial for getting the latest software versions. This command is typically run before installing new packages with sudo apt install. For example, when you run sudo apt update, your system will fetch the package information from the repositories defined in that file. The indexes of available packages are fetched from the location(s) specified in /etc/apt/sources.list. The sudo apt update command is used to synchronize your package index files from their sources via the Internet. It’s used for handling packages and provides commands for searching, installing, and removing software on your system. It’s a package management command-line tool used in Debian and its derivatives like Ubuntu. The apt CommandĪpt stands for Advanced Package Tool. In our context, sudo is used to ensure that the apt commands are executed with root privileges. Sudo is a command used in Unix and Linux-based systems that allows users to run programs with the security privileges of another user (typically the superuser, or root).
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