# Ubuntu 16.04 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 16.04, 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/ubuntu16_04-els/install-ubuntu16.04-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-ubuntu16.04-els-repo.sh --license-key XXX-XXXXXXXXXXXX
   

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@ubuntu16 ~]# apt-cache show els-define
   Package: els-define
   Version: 1-1.0.1
   Architecture: amd64
   Maintainer: Darya Malyavkina <dmalyavkina@cloudlinux.com>
   Installed-Size: 10
   Homepage: https://tuxcare.com/els-for-os/
   Priority: optional
   Section: utils
   Filename: pool/main/e/els-define/els-define_1-1.0.1_amd64.deb
   Size: 1302
   SHA256: a6b68c43c88a148ecc4806d0b4eb309deb5af418c8e1d0ea980fd453f5aec8dd
   SHA1: 4907b9796c40327dbd45ecf2fd0806a32e2c24bd
   MD5sum: 42f69c642c27052b15e4470533fdab62
   Description: ELS define package for Ubuntu 16.04
   Description-md5: 39e3bb446b4c63607f8f0358484545bf
   

# Security Updates

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

• Ubuntu 16.04 ELS: oval.xml
• Ubuntu 16.04 ELS: security.tuxcare.com/csaf/v2/els_os/ubuntu16.04els/
• Ubuntu 16.04 ELS: cve.tuxcare.com/rss_feed/els/releases/ubuntu16.04els

# 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