Let’s see the difference between these 2 commands and what happens internally once you execute these commands. In plain English, update and upgrade have almost the same meanings, so it can get confusing for a beginner to understand what these commands actually do. I guess to beginners, it just feels like a magic spell to get something installed!Īs time went on, so many of my google searches led to using very similar patterns of “apt update” and “apt upgrade” commands to install stuff. Enjoy the read.I was just happy that I was able to type something in the Terminal and it actually worked! I did not pay much attention to what I actually typed in. To do that, issue the commands man apt-get and man do-release-upgrade. In fact, you might want to read up on the apt-get and do-release-upgrade man pages to find out more. The difference between these commands is important. When those two complete, you can then run sudo do-release-upgrade and wait for the magic to complete. To do that, you should first run sudo apt-get upgrade, followed by sudo apt-get dist-upgrade. However, in order to use this command, the system must first be fully upgraded. So if you want to upgrade from Ubuntu 18.10 to 19.04, you use do-release-upgrade. The do-release-upgrade command, on the other hand, is responsible for upgrading from one release to another. Just remember, it will delete software–if it is required to complete the process. Can you use sudo apt-get dist-upgrade as your regular upgrade tool? Certainly. Apt-get dist-upgrade has a smart conflict resolution system, so it will attempt to upgrade the most important packages, at the expense of those deemed less important.Īpt-get upgrade does not remove packages, it only upgrades. However, when you run apt-get dist-upgrade, it will intelligently install or remove packages as needed, in order to complete the upgrade. When you run apt-get upgrade, it only upgrades that which has a new release available to the platform, as defined in /etc/apt/sources.list or in /etc/apt//. Let’s first look at the difference between apt-get upgrade and apt-get dist-upgrade (as that is where much of the confusion lies).
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Say what? Why are there three different paths to upgrading an operating system? Truth be told, each of those commands does different things. There’s an apt-get upgrade, apt-get dist-upgrade, and do-release-upgrade. How to upgrade a Debian-based Linux distribution–let me count the ways.
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