The top one uses apt-get and the bottom one apt. The following image contains two screenshots of updating the Ubuntu software packages in the terminal. For this reason apt supports the dist-upgrade command, as an alias for the new and more descriptive full-upgrade command. You can upgrade all of the (upgradable) packages with sudo apt upgrade. The supported commands are backwards compatible with apt-get. Your local package cache has been updated and there are packages that can be upgraded. upgrade, upgrade is used to install the newest versions of all. When you run the apt update or apt-get update command, it will fetch the updated metadata (package version etc) on the packages. The sudo apt-get upgrade command downloads and installs the updates for each outdated package and dependency on your system. If you don’t use the update command, you won’t refresh the cache, which would not give you a clue about the available package updates. apt-get update, update is used to resynchronize the package index files from their sources. For example, in Debian/Ubuntu scikit-learn can be installed with the command: sudo apt-get. update liest alle in der /etc/apt/sources.list und in /etc/apt// eingetragenen Paketquellen neu ein. The metadata includes information pertaining to the version, repository, dependency, and other relevant package details. Update apt database with apt-get using the following command. The apt install works for both install and upgrade single package if already installed. Your Linux system has an available cache of software (packages), which contains the necessary metadata related to those packages. On the other hand, the apt upgrade command downloads and installs available updates on your machine in one go. The update command fetched the packages from their locations and update the packages to newer version. The update command gives you an idea about the available updates, but it does not download or install the updates within your distro. The ‘ update ‘ command is used to resynchronize the package index files from the their sources specified in /etc/apt/sources.list file. apt upgrade: A ComparisonĮven though the apt update command might seem like the obvious go-to option to update your packages on Linux, it’s not entirely the case. But the point is, what's the difference between these commands, and how can you use them to update your Linux packages? apt update vs. When looking for ways to update packages, you will come across commands like apt update, apt upgrade, and related versions.
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