Why does apt-get held back packages?

Why does apt-get held back packages?

There are normally two reasons you may see this message. If upgrading the program (via sudo apt-get upgrade ) would cause packages to be added or removed, then the program will be held back. You can use sudo apt-get dist-upgrade in this case, which will then offer to add or remove the additional programs.

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.

When do I need to update apt-get update?

An update should always be performed before an upgrade or dist-upgrade. apt-get upgrade will fetch new versions of packages existing on the machine if APT knows about these new versions by way of apt-get update.

Why does sudo apt-get update not update?

If you have just added a PPA and have not updated, nothing from the PPA will work at all as you do not have a package list from that PPA or repository.

Do you have to upgrade all packages in Ubuntu?

Introduction: By default when you run either ‘apt-get upgrade’ or ‘apt upgrade’, Ubuntu will update all installed packages. However, in some cases, you may want to upgrade a specific package only such as Apache or Nginx.

How to update Apache2 package in Ubuntu 10.04?

Now only update apache2 package by running sudo apt install apache2 command. If apache2 package already installed it will try to update to the latest version.