# Ubuntu 18.04 ELS

# Supported Architecture and Packages

Supported architecture is x86_64. For other architectures, please contact our sales@tuxcare.com.

The list of supported packages is provided here.

# Connecting to ELS repository

To install the Endless Lifecycle Support repository on a server, download an installation script and run it with a license key. The installation script registers the server in the CLN using the license key, adds a PGP key to the server, and creates the ELS repository.

# Outbound Firewall Settings

To use Endless Lifecycle Support for Ubuntu 18.04, you need to open TCP port 443 to the following destinations:

• cln.cloudlinux.com
• repo.cloudlinux.com

# Installing the repository

1. Download an installation script:

   wget https://repo.els.tuxcare.com/ubuntu18_04-els/install-ubuntu18.04-els-repo.sh
   

2. Run the installation script with your license key. It registers the server in the CLN with the key, adds a PGP key to the server.

   bash install-ubuntu18.04-els-repo.sh --license-key XXXXXXXXXXX
   

3. Verify that the installation was successful by running the following command:

   apt-cache show els-define
   

   It should return information about the available package. If the package information is displayed, the installation was successful. After that, you can install updates from the repository using a standard apt upgrade command.

   Example:

   [els@ubuntu18 ~]# apt-cache show els-define
   Package: els-define
   Version: 1-1.0.2
   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_1-1.0.2_amd64.deb
   Size: 1424
   SHA256: 1594db1c72e64adf1fcbd6bfd4a86c72c6e4127d476d238d8c6821d34590d945
   SHA1: 03780c77ab2f1982126b78ab5454f7c0ff287162
   MD5sum: bd3f51b29deb5cc7ede4da8aa39ee2c2
   Description: ELS define package for Ubuntu 18.04
   Description-md5: 39e3bb446b4c63607f8f0358484545bf
   

# Security Updates

TuxCare provides security updates as a part of ELS for OS along with OpenSCAP scanning instructions - learn more.

• Ubuntu 18.04 ELS: oval.xml
• Ubuntu 18.04 ELS: security.tuxcare.com/csaf/v2/els_os/ubuntu18.04els/
• Ubuntu 18.04 ELS: cve.tuxcare.com/rss_feed/els/releases/ubuntu18.04els

# Removing the ELS repository

1. List ELS repository file (ending with -els.repo) in the repository folder:

   ls -l /etc/apt/sources.list.d/*-els.list
   

2. Remove the file to disable the ELS repository, for example:

   rm /etc/apt/sources.list.d/ubuntu-els.list
   

3. Uninstall the els-define package:

   apt remove els-define