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Blog posts tagged
"livepatch"

Rajan Patel
24 September 2025

Mythbusting the scope of Livepatch protection

Security Article

The purpose of this article is to share the technical realities of security patching for the Linux kernel, and the intended scope of the Linux kernel’s livepatch capability. We’ll cover when kernel live patching is most appropriate, and when updating deb and snap packages and then rebooting is the best option. ...

Rajan Patel
2 July 2025

Live Linux kernel patching with progressive timestamped rollouts

Security Article

In internet connected environments, where Ubuntu instances can reach livepatch.canonical.com, Livepatch Client supports timestamp-based rollout configurations. Organizations can implement controlled and predictable update pipelines from staging to production environments, without the hassle of deploying a self-hosted Livepatch Server, and ...

Rajan Patel
1 July 2025

Update Livepatch Client for the newest kernel module signing certificate

Security Article

The kernel engineering team at Canonical has generated a new module signing certificate on May 16, 2025, and it is embedded in all Ubuntu kernels published after that date. Livepatch Client version 10.11.2 published on June 13, 2025 includes this new certificate. Livepatch Client 10.11.2 or greater is required to successfully Livepatch al ...

Rajan Patel
27 June 2025

How is Livepatch safeguarded against bad actors?

Security Article

What safeguards the Livepatch security patching solution against bad actors and malicious code masquerading as an update? Learn about Secure Boot and module signing. ...

Rajan Patel
31 March 2025

Automated patching for the Linux kernel

Security Article

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 critical patching is d ...

Rajan Patel
4 March 2025

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

Cloud and server Article

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 ...

Lech Sandecki
23 October 2024

6 facts for CentOS users who are holding on

Cloud and server Article

Considering migrating to Ubuntu from other Linux platforms, such as CentOS? Find six useful facts to get started! ...

Canonical
19 September 2023

라이브패치(Livepatch)에 새로운 13개월 슬라이딩 지원 기간이 있습니다. 여러분에게 어떤 의미가 있을까요?

Security Security

라이브패치는 시스템을 즉시 재부팅할 필요 없고 런타임에 중요하고 높은 보안 커널 공통 보안 취약성 및 노출(CVE)을 수정하는 유용한 툴입니다. 그러나 정기적인 유지 관리 기간 및 재부팅을 대체하는 용도로 사용해서는 안 됩니다. 좋은 기업 정책에는 시스템이 안정적이고 안전하게 유지되도록 라이브패치와 정기적인 재부팅이 모두 포함되어야 합니다. 그 이유는 펌웨어 또는 장치 드라이버 업데이트와 같은 일부 시스템 CVE는 ...

ijlal-loutfi
13 April 2023

Livepatch has a new 13-month sliding support window – What does it mean for you?

Security Livepatch

The Livepatch tool is a valuable solution for resolving critical and high-security kernel CVEs without requiring an immediate system reboot. However, it is not a substitute for regular maintenance windows and reboots, as some CVEs still require a system reboot. Additionally, Livepatch only covers security-related kernel updates, not non-s ...

ijlal-loutfi
13 April 2023

Canonical Livepatch gets even better – Now supporting Hardware Enablement Kernels

Security Livepatch

Livepatch allows Ubuntu users to fix critical and high kernel vulnerabilities at runtime, which reduces the need for unplanned reboots. Until now, Livepatch has only been available for Long-Term Release (LTS) kernels, but starting with the release of Ubuntu’s interim release of 23.04 Lunar Lobster in April 2023, it will also be available ...

Rajan Patel
28 February 2022

An overview of live kernel patching

Cloud and server Article

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

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