Ubuntu updating packages
First, you’ll want to press Ctrl Alt T to open the Terminal.Alternatively, you can click the Ubuntu icon in the top left corner of the screen, and then type in “Terminal” to get the command line.To disable safe updates: Prohibiting Updates from Different Repositories To prohibit unsafe updates, you can hide the option Enable safe updates for system packages, which can be used to allow unsafe updates.This option is located in Tools & Settings Note: At the moment, you cannot add or remove a package repository.If so, disable them, because they are a common source of problems.Furthermore, run the following command in a Terminal: apt-get install [email protected]:~$ sudo apt-get install -f [sudo] password for alex: Reading package lists...
The System Updates tool helps you in the two areas: The System Updates tool does not install updates of Plesk packages. For instructions about updating Plesk, refer to Plesk Updates.
To get started with Docker CE on Ubuntu, make sure you meet the prerequisites, then install Docker.
To install Docker Enterprise Edition (Docker EE), go to Get Docker EE for Ubuntu instead of this topic.
Important: If any issues occur during the updating, try to resolve them by using the operating system means.
The System Updates tool is only a front end for your system packages manager, such as In this chapter: Starting to Use the System Updates Tool Changing the Repositories of System Updates Updating System Packages Setting Up Notifications Viewing the Update Log Disabling the System Updates Tool Safe Updates For stability and reliability reasons, the System Updates tool installs updates for each package from the repository from which this package was initially installed. Disabling Safe Updates If you disable safe updates, the System Updates tool no longer ensures that the updates are installed from the same repository as an initial package.
As the message indicates, non-root users can’t run Docker commands by default.