The Atomic aka A.R.T. (Atomic Rocket Turtle) RPM repository is an open source unsupported archive of software packages targeted at the Centos and Redhat community. It includes PHP, hosting specific projects, yum rpm archives, and community forums.

It is not used by, nor is it installed by any of our supported products.


  • To enable access to both the atomic yum repository use the following automated installer:

    wget -q -O - | sh
  • If you prefer to use an insecure non-SSL installation, use this command:

    wget -q -O - | sh


  • To remove the atomic repository from your yum RPMs, run this command as root:

    yum remove atomic-release


This will not remove any rpms you have installed from the atomic repository.


  • All atomic rpms are signed with our GPG/PGP key. The atomic repository installer installs this key automatically. You do not need to download it.
However, if you need to download it manually its available from this URL:


Frequently Asked Questions

Does ASL install the atomic repository?

  • No. ASL does not install, remove, configure, or use the free unsupported atomic rpm repository.

Will this configure my system to automatically upgrade itself?

  • No. Running the installation command above will only configure yum to also use our free unsupported RPM repository as a source for RPMs. It will not configure your system to automatically upgrade itself.

Will this disable any of my other repositories?

  • No, this installation will not disable any other repositories.