What Is Apt-get Update And Upgrade?

by | Last updated on January 24, 2024

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apt-get update updates the

list of available packages and their versions

, but it does not install or upgrade any packages. apt-get upgrade actually installs newer versions of the packages you have. After updating the lists, the package manager knows about available updates for the software you have installed.

Should I run apt-get upgrade?

3 Answers. Generally,

yes this is safe

. For critical packages, though (Postgres, Nginx, etc.), I’d recommend pinning those packages to a specific version so that they do not get updated.

What do apt-get upgrade do?

From the apt-get upgrade man page: upgrade is

used to install the newest versions of all packages currently installed on the system from the sources enumerated in /etc/apt/sources

. … An update must be performed first so that apt-get knows that new versions of packages are available.

What is the difference between apt-get update and apt update?

The old apt-get upgrade command updates all the packages which currently exist in your system. It

does not install or remove

the existing package on your system. However, the new apt upgrade command installs packages that were added as dependencies of upgradable packages.

What is apt-get full upgrade?

What is the difference between the command “apt upgrade” and “apt full-upgrade“? apt upgrade is the

command used to download and apply any available updates to your packages in a safe manner by not removing packages

that are previously installed in a given Linux system, while “apt full-upgrade” command is used to do …

Do distributions upgrade?

However, when you run apt-get dist-upgrade, it will intelligently install or remove packages as needed, in order to complete the upgrade. 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.

How long does sudo apt-get upgrade take?

The first command, sudo apt-get update, will update all the package indexes. This command doesn’t actually update any software on your Pi, but updates what the latest software is and where to download it from. “update”

usually takes a minute or two while it downloads the

latest package lists.

How often should you run apt-get upgrade?

In your case you would want to run apt-get update after adding a PPA. Ubuntu automatically checks for updates

either every week or as you configure it

. It, when updates are available, shows a nice little GUI that lets you choose the updates to install, and then downloads/installs the selected ones.

How often should you apt upgrade?

I would run apt-get update; apt-get upgrade

at least weekly

in order to get any security patches. You should get little no upgrades on 14.04 that aren’t security related at this point if you only have the default repos setup. I wouldn’t bother setting up a cron job; just run the commands once every few days.

How do I upgrade with apt-get?

To update a single package on the system, use the apt-get command + the package name we want to update. Press “space” to scroll through the list of installed packages. See their version and of course obtain the exact package name in order to update it with the: apt-get update &&

apt-get upgrade packagename command

.

Which command replaces apt-get?

apt command the command it replaces apt upgrade apt-get upgrade apt autoremove apt-get autoremove apt full-upgrade apt-get dist-upgrade apt search apt-cache search

Is sudo apt-get autoclean safe?


Yes it is safe to use apt-get autoremove

option. It removes the packages that are no longer needed so you can use this option.

Why sudo apt-get update is not working?

This error can happen when fetching the latest

repositories

during ” apt-get update ” was interrupted, and a subsequent ” apt-get update ” is not able to resume the interrupted fetch. In this case, remove the content in /var/lib/apt/lists before retrying ” apt-get update “.

Should I use upgrade or dist-upgrade?

Using upgrade keeps to the rule: under no circumstances are currently installed packages removed, or packages not already installed retrieved and installed. If that’s important to you, use

apt-get upgrade

. If you want things to “just work”, you probably want apt-get dist-upgrade to ensure dependencies are resolved.

What is apt safe upgrade?

aptitude safe-upgrade upgrades currently

installed packages

and can install new packages to resolve new dependencies, but never removes packages. apt-get upgrade upgrades currently installed packages, but never installs or removes packages.

Is apt full-upgrade safe?

What this really does is to remove packages that were installed automatically as dependencies and that are no longer needed. It can, and sometimes will, remove packages other than old kernels.

It is generally safe to run

, but I do suggest looking at what it says it’s going to do before proceeding.

David Martineau
Author
David Martineau
David is an interior designer and home improvement expert. With a degree in architecture, David has worked on various renovation projects and has written for several home and garden publications. David's expertise in decorating, renovation, and repair will help you create your dream home.