APT relies on the concept of repositories in order to find software and resolve dependencies. For APT, a repository is a directory containing packages along with an index file. This can be specified as a networked or CDROM location. The Debian project keeps a central repository of over 25,000 software packages ready for download and installation.

This is a three line playbook which will download and install the repository key, add the repository to a seperate file in /etc/apt/sources.list.d/ and install the package while also doing an apt-get update to refresh the apt cache with the new repository. This is the recommended way to add a repo and install packages from there. Download and install the latest version of the release package for the MySQL repository by following the steps given in Adding the MySQL APT Repository, including the sudo apt-get update step. It reconfigures your system properly for using the MySQL APT repository. The program add-apt-repository is currently not installed. You can install it by typing: sudo apt-get install python-software-properties What should I do now? When running an apt update / apt-get update, or trying to refresh the software sources using some GUI tool, apt will complain about not being able to download all repository indexes, showing errors like this:

By default, Amazon Linux instances launch with two repositories enabled: amzn-main and amzn-updates.While there are many packages available in these repositories that are updated by Amazon Web Services, there may be a package that you wish to install that is contained in another repository.

Jul 17, 2019 · $ sudo apt-get install software-properties-common $ sudo add-apt-repository \ "deb [arch=amd64] https://download.docker.com/linux/debian \ $(lsb_release -cs) \ stable" 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.

Jul 21, 2020 · Run the equivalent of apt-get update when a change occurs. Cache updates are run after making changes. present # Add specified repository into sources list using

sudo add-apt-repository ppa:webupd8team/atom apt-get update apt-get install atom The problem is that the add-apt-repository does not seem to exist on this version of Linux. I searched for it in /bin and /usr/bin and it was not there.