Rajan Patel

15 posts

Product Manager

Rajan Patel is the Product Manager of Livepatch and Landscape, and focuses on systems management and security at scale. In his spare time, Rajan explores the intersection of performance optimisation and cost optimisation for public, private, hybrid, and multi cloud workloads.

Rajan Patel
26 June 2025

NodeJS 18 LTS EOL extended from April 2025 to May 2032 on Ubuntu

Article Ubuntu

Canonical provides up to 12 years of security patching for open source software packaged and published through Ubuntu Pro repositories. These security commitments differ from upstream open source software maintainers, like the OpenJS Foundation.

Rajan Patel
26 June 2025

Rajan Patel
31 March 2025

Automated patching for the Linux kernel

Article Security

To start securely and efficiently, Linux systems follow a carefully orchestrated sequence of steps to initialize firmware and manage services. Applying security patches to the software responsible for some of these early steps of Linux startup often requires a full system reboot. Frequent reboots driven by unplanned...

Rajan Patel
31 March 2025

Rajan Patel
4 March 2025

Install FreePBX and Asterisk on Ubuntu 24.04 LTS for security patches until 2036

Article Cloud and server

Deploying FreePBX and Asterisk on a single Ubuntu virtual machine in a public cloud is an ideal solution for personal users and small to medium-sized businesses with voice over IP (VoIP) and fax over IP (FoIP) needs. This setup costs nothing, is scalable and secure, and has daily recovery points with a recovery time measured

Rajan Patel
4 March 2025

Rajan Patel
11 July 2024

How often do you apply security patches on Linux?

Article Security

Understanding Canonical’s release schedules for software updates and knowing security patching coverage windows are essential pieces of information when defining a security patching strategy.

Rajan Patel
11 July 2024

Rajan Patel
13 September 2023

Deploy fully configured VMs in minutes on Google Cloud, using gcloud CLI and cloud-init

Article Cloud and server

Make reusable deployment templates for Landscape and other applications

Rajan Patel
13 September 2023

Rajan Patel
8 September 2023

Manage FIPS-enabled Linux machines at scale with Landscape 23.03

Article Cloud and server

You or your organisation are tasked with hardening your workstations and servers, where do you begin? Installing Ubuntu and applying all the security patches is a good place to start, but what else is needed? The National Institute of Standards and Technology (NIST), a cybersecurity agency established in 1988, has...

Rajan Patel
8 September 2023

Rajan Patel
1 March 2023

Create stop motion animation with Dragonframe on Ubuntu

Desktop Ceph

Guillermo del Toro’s Pinocchio was animated using Dragonframe, opening the door for incredible stop motion visual effects. Anyone inspired by the techniques used in Pinocchio can make an animated movie using their iOS or Android device’s camera, connected to Dragonframe running on Ubuntu. Professional animators could go...

Rajan Patel
1 March 2023

Rajan Patel
9 February 2023

3 ways to apply security patches in Linux

Article Cloud and server

There are 3 approaches to applying security patches in Linux: manual patching, via package managers, and automatic updates. If you need security patching that can be automated at scale, and audited on the fly with on-demand reports, Landscape has your bases covered.

Rajan Patel
9 February 2023

Rajan Patel
21 December 2022

Manage Debian, Ubuntu, and derivative Linux distributions with Landscape Scripts

Server Cloud and server

The fastest path towards Linux server management at scale is to leverage technology system administrators know. It is now possible to manage your Debian Bullseye machines with Landscape.

Rajan Patel
21 December 2022

Rajan Patel
20 October 2022

Landscape beta: test the Landscape Server migration to Ubuntu 22.04 LTS

Article Cloud and server

The new Landscape beta makes it easier than ever to administer your entire Ubuntu estate across any architecture, from amd64, riscv, to arm64. Landscape beta’s charms have been rewritten in Juju’s new operator framework, and offer high availability in 3 simple steps.

Rajan Patel
20 October 2022

Rajan Patel
30 August 2022

FIPS certified vs compliant: what’s safer?

Article Cloud and server

Minimise risk by treating the FIPS standard as a baseline, and going above and beyond the baseline to mitigate risk by applying security patches.

Rajan Patel
30 August 2022

Rajan Patel
28 February 2022

An overview of live kernel patching

Article Cloud and server

Learn how Canonical improves security on Linux with live kernel patching. Track Livepatch activity over time in Landscape.

Rajan Patel
28 February 2022

Rajan Patel
21 February 2022

Monitor Ubuntu Advantage FIPS configurations

Article Security

There are multiple ways to enable, manage, and monitor FIPS on Ubuntu. You can use the UA Client to enable FIPS, and configure Landscape to audit FIPS configurations in your entire Ubuntu estate.

Rajan Patel
21 February 2022

Rajan Patel
8 February 2022

Planning phased Ubuntu 22.04 Enterprise Desktop upgrades with Landscape

Desktop Desktop

Comply with release management and change management policies by controlling enterprise Ubuntu Desktop upgrades with Landscape

Rajan Patel
8 February 2022