Update aptitude sources

Lenny to Squeeze is done by following the release notes for your architecture. For most people with 32 bit systems that means the Release Notes for Intel x Using full-upgrade in the regular course of events is no longer the recommended practice unless you are running sid, in which case you should not need to be reading this.

Minor release upgrades e. The non-free contains software that does not comply with the DFSG. This is also the reason for the use of "update-alternatives" for aptitude. The never-finished Qt interface was never included in any official Debian binary package. Bringing them or any of them back would mean to re-add the code removed in the according commits and to update it to aptitude's current code on the one hand and the current GTK and Qt code bases on the other hand.

See Also Aptitude Screenshots. Wiki Login. Users of Debian 9 Stretch or older releases will need to install the apt-transport-https package first. This will ensure your apt index is synchronized. Then you can install new packages from the repository. In some cases you can get errors with repositories while updating the package lists.

In that case use apt rather than apt-get. For example, to install docker-ce on Debian 10 Buster from it's upstream repository, you'll do the following:. You can then proceed to update apt-cache and install docker-ce package with apt-get. This is the recommended way to add any other third party repository.

You'll notice this wont work because you don't have the GPG key of the docker repository on your system. We'll cover that next. When working with apt and sources. This is usually done using the command apt-key , with syntax:. Or you can download the GPG key directly and install it from the current directory. As an example, to download docker repository GPG keys, you'll run:. If you're concerned with privacy issues, or unsecure data transfer, you can use Tor with Debian repositories in your sources.

Apt can retrieve and download updates through Tor. So I'm assuming it's really no that necessary especially if you are just using basic packages with basic commands that don't get updated usually. Problem in my situation is that apt-get update takes a while, internet here is still primitive. JohnnyQ, if your apt-get update is slow, then your apt-get dist-upgrade will also be slow, so that's not really an argument not to do apt-get update first.

By the way, "apt" stands for Advanced Packaging Tool wiki. Something I learned the other day, thought I'd share. Show 3 more comments. For example, apt-get --help sudo apt-get update essentially has three parts: sudo performs the following command with super-user root capabilities.

For example sudo apt-get install guake would install the Guake terminal as it is currently listed in my computer's local software lists. TheWanderer 19k 12 12 gold badges 47 47 silver badges 63 63 bronze badges. Alex Alex 1, 6 6 gold badges 16 16 silver badges 28 28 bronze badges. If you don't care about the success of the first command, use ; instead. Just FYI ; — teewuane. DanChase reddit: Is "sudo apt-get update" on startup a good idea or bad? However, you could add a script in the cron if you want that behavior.

Show 1 more comment. Thank you. If I'm installing multiple 2 packages for example do I put apt-get update twice or just once? Is it update for ALL packages or the ones that follow it? RobertSinclair Once is enough - it pulls package lists from all repositories. It updates the available software list on your computer. To actually upgrade your software not "update" the lists , you execute the command sudo apt-get upgrade which is usually executed after an "update".

Peter Mortensen 1, 2 2 gold badges 11 11 silver badges 17 17 bronze badges. Sam Sam 2, 1 1 gold badge 13 13 silver badges 10 10 bronze badges. Metro Smurf 8 8 bronze badges. Jason Petrilla Jason Petrilla 7 7 bronze badges.

Nice trick for that! Eliah Kagan Eliah Kagan k 51 51 gold badges silver badges bronze badges. As said by plenty of people before me this updates your local repository package list. You may run into trouble if you try to install apt-get install foobar and foobar or a dependency don't have their latest version in the repository.

Basically it makes sure your list matches the master list. N8tron N8tron 1 1 gold badge 9 9 silver badges 25 25 bronze badges. Do you use an HTTP proxy? And are you able to you make it happen again, or has it happened just the one time? If it's an isolated anomaly, I wonder if maybe the problem is due to a temporary server misconfiguration. What mirror do you use? With more info, maybe I could improve my answer.

Btw, is this intended as a separate answer, or should it be converted to a comment? Let's consider the example of installing VLC media player on Ubuntu: sudo apt-get update It will check the repositories for available updates. Whereas sudo apt-get install vlc vlc-plugin-pulse mozilla-plugin-vlc will install VLC media player from the repositories which we searched for.

Praveen Vinny Praveen Vinny 8 8 bronze badges.