Ubuntu 20.04 ELS
Connection to ELS repository
To install the Endless Lifecycle Support repository on a server, you just need to download an installer script and run the script with a key. The installation script will register the server in the CLN with the key, add a PGP key to the server, and create the ELS repository.
Outbound Firewall Settings
In order to use Endless Lifecycle Support for Ubuntu 20.04, you will need to open TCP port 443 to the following destinations:
Installation of repositories
Download an installer script:
wget https://repo.tuxcare.com/ubuntu20_04-els/install-ubuntu20.04-els-repo.shRun the installer script with keys. The installation script registers the server in the CLN with the key, adds PGP key to the server.
bash install-ubuntu20.04-els-repo.sh --license-key XXXX-XXXXXXXXXXXXVerify that the installation was successful. To ensure that installation has been completed successfully, run the following command:
apt-cache show els-defineIt should return the info of an available package. If you see information about the package, you can be sure that the installation was successful. After this, you will be able to install updates from the repository using a regular apt upgrade command.
Example:
root@localhost:~# apt-cache show els-define Package: els-define Version: 1-1.0.3 Architecture: amd64 Maintainer: Darya Malyavkina <dmalyavkina@cloudlinux.com> Installed-Size: 10 Homepage: https://tuxcare.com/extended-lifecycle-support/ Priority: optional Section: utils Filename: pool/main/e/els-define/els-define_1-1.0.3_amd64.deb Size: 1926 SHA256: eda90ec17fee27c862a923c3666591b5958e5a1bbebf33078cf1fd859d31edff SHA1: b3cef5e330f25b2daaf30eb5f41f67809642d9be MD5sum: 629b938770455731d05c3525a71b7653 Description: ELS define package for Ubuntu 20.04 Description-md5: 05246f694bf7646914c7d748ae3f6a15
Security Updates
TuxCare provides security updates as a part of ELS for OS along with OpenSCAP scanning instructions - learn more.
- Ubuntu 20.04 ELS: oval.xml
- Ubuntu 20.04 ELS: security.tuxcare.com/csaf/v2/els_os/ubuntu20.04els/
- Ubuntu 20.04 ELS: cve.tuxcare.com/rss_feed/els/releases/ubuntu20.04els



