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News

LXCFS 6.0.5 LTS has been released

2025年8月15日

Introduction

The LXCFS team is pleased to announce the release of LXCFS 6.0.5!

This is the fifth bugfix release for LXCFS 6.0 which is supported until June 2029.

Changes

There are no significant changes in this release, only a couple of minor changes to our CI scripts. We are still pushing a LXCFS update out to keep versions in sync between LXC, LXCFS and Incus, but this release is effectively identical to 6.0.4.

The full list of commits is available below:

Detailed changelog
  • github: Bump actions/checkout to v5
  • github: Use Github Arm runners

Support and upgrade

The LXCFS 6.0 branch is supported until June 2029.
Only bugfixes and security issues get included into the stable bugfix releases, so it's always safe and recommended to keep up and run the latest bugfix release.

Downloads

Thanks

This LTS release update was made possible thanks to funding provided by the Sovereign Tech Fund (now part of the Sovereign Tech Agency).

ST-Fund-Logo-Default-White-RGB|690x219

[quote]
The Sovereign Tech Fund supports the development, improvement, and maintenance of open digital infrastructure. Its goal is to sustainably strengthen the open source ecosystem, focusing on security, resilience, technological diversity, and the people behind the code.
[/quote]

Find out more at: https://www.sovereign.tech

LXCFS 6.0.4 LTS has been released

2025年4月4日

Introduction

The LXCFS team is pleased to announce the release of LXCFS 6.0.4!

This is the fourth bugfix release for LXCFS 6.0 which is supported until June 2029.

Changes

Some of the highlights for this release are:

  • Properly handle SLAB reclaimable memory in meminfo
  • Handle empty cpuset strings
  • Fix potential sleep interval overflows

The full list of commits is available below:

Detailed changelog
  • meminfo: Add slab_reclaimable to MemAvailable
  • tests/test-read: call close(2) only if there is an fd
  • utils: fix wait_for_sock to use time_t instead of int
  • cpuset_parse: make a check for an empty string in cpu_in_cpuset()
  • utils: move strlcpy/strlcat helpers from cgroup_utils to utils
  • lxcfs: use strlcpy when handle runtime-dir parameter
  • proc_loadavg: Prevent integer overflow calculating the sleep interval

Support and upgrade

The LXCFS 6.0 branch is supported until June 2029.
Only bugfixes and security issues get included into the stable bugfix releases, so it's always safe and recommended to keep up and run the latest bugfix release.

Downloads

Thanks

This LTS release update was made possible thanks to funding provided by the Sovereign Tech Fund (now part of the Sovereign Tech Agency).

ST-Fund-Logo-Default-White-RGB|690x219

[quote]
The Sovereign Tech Fund supports the development, improvement, and maintenance of open digital infrastructure. Its goal is to sustainably strengthen the open source ecosystem, focusing on security, resilience, technological diversity, and the people behind the code.
[/quote]

Find out more at: https://www.sovereign.tech

LXCFS 6.0.3 LTS has been released

2024年12月19日

Introduction

The LXCFS team is pleased to announce the release of LXCFS 6.0.3!

This is the third bugfix release for LXCFS 6.0 which is supported until June 2029.

Changes

Some of the highlights for this release are:

  • Better detection of swap accounting support
  • Reworked testsuite including support for 64-bit Arm

The full list of commits is available below:

Detailed changelog
  • lxcfs_read: Added LXCFS_TYPE macro to all FUSE filesystem calls
  • lxcfs: fix readdir for procfs subtree
  • tests: add proc readdir test
  • cgroups/cgfsng: improve swap accounting support detection
  • github: Bump Ubuntu version
  • github: Simplify tests workflow
  • github: Add arm64 tests
  • tests: Make sure to enable cpuset controller
  • github: Use shared logic
  • github: Update coverity workflow
  • github: Simplify build action
  • github: Update checkout to v4
  • github: Cleanup testsuite action
  • github: Improve progress reporting

Support and upgrade

The LXCFS 6.0 branch is supported until June 2029.
Only bugfixes and securitiy issues get included into the stable bugfix releases, so it's always safe and recommended to keep up and run the latest bugfix release.

Downloads

Thanks

This LTS release update was made possible thanks to funding provided by the Sovereign Tech Fund (now part of the Sovereign Tech Agency).

ST-Fund-Logo-Default-White-RGB|690x219

[quote]
The Sovereign Tech Fund supports the development, improvement, and maintenance of open digital infrastructure. Its goal is to sustainably strengthen the open source ecosystem, focusing on security, resilience, technological diversity, and the people behind the code.
[/quote]

Find out more at: https://www.sovereign.tech

LXCFS 6.0.2 LTS has been released

2024年9月17日

Introduction

The LXCFS team is pleased to announce the release of LXCFS 6.0.2!

This is the second bugfix release for LXCFS 6.0 which is supported until June 2029.

Changes

Some of the highlights for this release are:

  • Fix building of LXCFS on musl systems (missing include)

The full list of commits is available below:

Detailed changelog
  • Add missing linux/limits.h include

Support and upgrade

The LXCFS 6.0 branch is supported until June 2029.
Only bugfixes and securitiy issues get included into the stable bugfix releases, so it's always safe and recommended to keep up and run the latest bugfix release.

Downloads

LXCFS 6.0.1 LTS has been released

2024年6月26日

Introduction

The LXCFS team is pleased to announce the release of LXCFS 6.0.1!

This is the first bugfix release for LXCFS 6.0 which is supported until June 2029.

Changes

Some of the highlights for this release are:

  • Support for running multiple instances of LXCFS (--runtime-dir)
  • Detect systems that has a Yama policy preventing reading process personalities

The full list of commits is available below:

Detailed changelog
  • github: add lxcfs live upgrade compatibility test
  • proc: checks system security policy before trying to get personalities
  • lxcfs/bindings: Refactor RUNTIME_PATH so that it can be overridden on startup
  • lxcfs/bindings: add a flag for overriding the runtime dir
  • github: update coverity test to use Ubuntu 22.04
  • README.md: add info about how to collect a core dump
  • github: add ISSUE_TEMPLATE.md
  • tests: Update for multiple runtime paths

Support and upgrade

The LXCFS 6.0 branch is supported until June 2029.
Only bugfixes and securitiy issues get included into the stable bugfix releases, so it's always safe and recommended to keep up and run the latest bugfix release.

Downloads

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