Blog posts tagged
"kernel"

34 posts


Alex Chalkias
24 April 2020

Ubuntu kernel 5.4: What’s new with Ubuntu 20.04 LTS

Article Cloud and server

Ubuntu 20.04 LTS has just arrived. The latest LTS comes with a new version of the Linux kernel – 5.4 – which brings a lot of exciting new features, faster boot times, enhanced performance and security. Additionally, the Canonical kernel team ran benchmark tests to validate the performance improvements of the new kernel....

Alex Chalkias
24 April 2020


Francis Ginther
16 April 2020

Introducing the Ubuntu AWS Rolling Kernel

Article Cloud and server

The linux-aws 4.15 based kernel, which is the default kernel in the Ubuntu 18.04 LTS AMIs, is moving to a rolling kernel model. Why is this changing? The Ubuntu rolling kernel model provides the latest upstream bug fixes and performance improvements around task scheduling, I/O scheduling, networking, hypervisor guests...

Francis Ginther
16 April 2020


Lech Sandecki
10 December 2019

CVE patching alone is not making your Linux secure

Article Ubuntu

Would you like to enhance your Linux security? Do you wonder what factors should be considered when evaluating your open source security from both – the infrastructure and the application perspectives? Are you keen to learn the Ubuntu security team approach? I’ve learned that CVE patching is indeed an important puzzle,...

Lech Sandecki
10 December 2019


Lech Sandecki
22 October 2019

How Ubuntu Advantage for Infrastructure delivers top-notch Linux security

Article Ubuntu

Linux security is central to each release of Ubuntu, the most widely-used Linux distribution. With Ubuntu’s predictable six-month release cycle, users know when to expect the latest upstream open source capabilities and security. Long Term Support (LTS) vs Interim releases Every two years in April, a Long Term Support...

Lech Sandecki
22 October 2019


Andres Rodriguez
12 September 2019

Hardware discovery and kernel auto-configuration in MAAS

Article Cloud and server

In this blog, we are going to explore how to leverage MAAS for hardware discovery and kernel auto-configuration using tags. In many cases, certain pieces of hardware require extra kernel parameters to be set in order to make use of them. For example, when configuring GPU passthrough we will typically need to configure the GPU

Andres Rodriguez
12 September 2019


Alex Hung
8 July 2019

Analyze ACPI Tables in a Text File with FWTS

Article Cloud and server

I often need to implement tests for new ACPI tables before they become available on real hardware. Fortunately, FWTS provides a framework to read ACPI tables’ binary. The below technique is especially convenient for ACPI firmware and OS kernel developers. It provides a simple approach to verifying ACPI tables without...

Alex Hung
8 July 2019


Christian Reis
24 January 2018

Meltdown, Spectre and Ubuntu: What you need to know

Article Cloud and server

As details of the Meltdown and Spectre vulnerabilities1 have become clearer a number of statements have been published by the multiple vendors affected; Canonical has issued advisories and updates on fixes and mitigations, the latest of which includes a first round of Spectre mitigations. However, most of these...

Christian Reis
24 January 2018


Canonical
24 January 2018

Kernel team summary – 24 January 2018

Article Cloud and server

January 09 through January 23 The Kernel Team is completely focused on addressing any Spectre and Meltdown issues as they arise. A secure Ubuntu is our top priority. No new Livepatches are being produced and our regular SRU cycles are suspended while we address Spectre and Meltdown. Spectre mitigation kernels are...

Canonical
24 January 2018


Canonical
6 December 2017

Kernel Team Summary – December 6, 2017

Article Cloud and server

November 21 through December 04 Development (18.04) Every 6 months the Ubuntu Kernel Team is tasked to pick the kernel to be used in the next release. This is a difficult thing to do because we don’t definitively know what will be going into the upstream kernel over the next 6 months nor the quality

Canonical
6 December 2017


Canonical
8 November 2017

Kernel Team Summary: November 7, 2017

Article Cloud and server

October 24 through November 06 Development (18.04) Every 6 months the Ubuntu Kernel Team is tasked to pick the kernel to be used in the next release. This is a difficult thing to do because we don’t definitively know what will be going into the upstream kernel over the next 6 months nor the quality

Canonical
8 November 2017


Canonical
18 October 2017

Kernel Team Summary – October 18th, 2017

Article Cloud and server

Development (Artful / 17.10) https://wiki.ubuntu.com/ArtfulAardvark/ReleaseSchedule Important upcoming dates: Ubuntu 17.10 Release – Oct 19 (~1 days away) We intend to target a 4.13 kernel for the Ubuntu 17.10 release. A 4.13.4 based kernel is available for testing from the artful-proposed pocket of the Ubuntu archive....

Canonical
18 October 2017


Canonical
4 October 2017

Kernel Team Summary – October 4, 2017

Article Cloud and server

September 25 through October 03 Development (Artful / 17.10) https://wiki.ubuntu.com/ArtfulAardvark/ReleaseSchedule Important upcoming dates: Kernel Freeze – Oct 5 (~1 day away) Final Freeze – Oct 12 (~1 week away) Ubuntu 17.10 – Oct 19 (~2 week away) We intend to target a 4.13 kernel for the Ubuntu 17.10 release. A...

Canonical
4 October 2017


Canonical
19 July 2017

Kernel Team Summary – July 19, 2017

Article Cloud and server

This newsletter is here to provide a status update from the Ubuntu Kernel Team.There will also be highlights provided for any interesting subjects the team may be working on. If you would like to reach the kernel team, you can find us at the #ubuntu-kernel channel on FreeNode.Alternatively, you can mail the Ubuntu Kernel Team

Canonical
19 July 2017


Canonical
21 June 2017

Kernel Team Summary: June 22, 2017

Article Cloud and server

This newsletter is to provide a status update from the Ubuntu Kernel Team. There will also be highlights provided for any interesting subjects the team may be working on. If you would like to reach the kernel team, you can find us at the #ubuntu-kernel channel on FreeNode. Alternatively, you can mail the Ubuntu Kernel

Canonical
21 June 2017