![]() 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). When to Use sudo apt update & sudo apt upgradeīefore we dive into the specifics, it’s important to understand what these commands do.When to Use sudo apt update vs sudo apt update & sudo apt upgrade.
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