Canonical unveils Ubuntu 21.10 – TechRepublic


The goal is to improve the experience for developers wherever they work, the company said.

Image: Canonical

Canonical rolled out Ubuntu 21.10 Thursday, touting it as “the most productive environment for cloud native developers and AI / ML innovators on desktop, devices and the cloud.”

SEE: 5 Linux Server Distributions You Should Be Using (TechRepublic Premium)

Ubuntu 21.10 adds GCC 11, PHP 8, Gnome 40, WSLg and a range of Ubuntu Docker container images, according to Rob Gibbon, product manager at Canonical. Additionally, “there’s Apache Cassandra, packaged as both a Docker container image and a snapshot, giving DataOps teams a new option to build and run data-intensive Cassandra clusters.”

Another feature is the new GCC 11, which Canonical has called the de facto C / C ++ compiler. Improved static code analysis capabilities have been added to automatically detect vulnerabilities and help developers gain better insight into code security earlier in the development cycle, the company said.

Security Updates

Ubuntu 21.10 also comes with a series of security features, Gibbon said. “Kernel 5.13 brings significant security enhancements to the Ubuntu platform, including Kernel Electric Fence (KFENCE), a lightweight runtime memory error detector designed for use on production systems,” he said. -he declares.

It also comes with Landlock, a mandatory access control system designed for easy administration and randomization of the kernel stack offset between system calls, which aims to protect against some form of privilege escalation exploit. with minimal overhead, Gibbons said.

“Additionally, 21.10 comes with unprivileged access to the Berkely Packet Filter (BPF) disabled by default, although administrators can still enable this feature if needed,” he said.


Image: Canonical

Designed for Ubuntu developers wherever they are

Ubuntu 21.10 brings PHP 8 and GCC 11, including full support for static analysis, Canonical said. This aims to improve security awareness in low level programming.

With Gnome 40, desktop users benefit from dynamic workspaces and touchpad gestures. Mozilla’s new Firefox snap-in is designed to improve security and ensure access to the most recent and extended-support versions of the browser, Canonical said. The exact same browser versions are available on several different versions of Ubuntu, which aims to simplify management of the enterprise development platform, the company said.

SEE: Ubuntu 21.10 is upon us, and it’s small changes for big improvements (TechRepublic)

Over the past year, the number of snapshots posted to the store has increased by 25%, and the snapshot store now serves over 10 million systems per day.

Windows developers are offered out-of-the-box graphics application support on the Windows Subsystem for Linux, so Ubuntu desktop applications do not require any modification.

Native cloud from the edge to the mainframe

Modern development practices increasingly depend on containerized images, but ensuring the provenance of open source software images can be difficult, Canonical noted. Application developers want consistent and reliable container images from a trusted source, the company said. Canonical has therefore declared that it has made the OCI Ubuntu 21.10 image available on Docker Hub and Amazon ECR Public Registry.

Along with the base Ubuntu image, Canonical maintains an organized set of app images. LTS Docker Images provides commitments for compliance and security updates, which are backed by Canonical for the lifetime of Ubuntu, at least 10 years, the company said.

Additionally, Canonical’s latest LTS Docker images include Grafana, Prometheus, and NGINX. Apache Cassandra v4 is a new addition, with real-time scraping, alerts and improved Prometheus integration, according to Canonical. Squid, a caching proxy, and Bind9, a full DNS system, have also joined LTS Docker Images’ portfolio, the company said.

MicroK8s installs Kubernetes with a single command and forms a Kubernetes edge cluster with just two commands. MicroK8s now ships with the latest CNCF certified Kubernetes 1.22 in the stable channel. MicroK8 support for IBM Z is designed to provide cloud-native devops users with mainframe stability and security, Canonical said.

Emphasis is also placed on artificial intelligence and machine learning workloads. With Ubuntu 21.10, Canonical makes Apache Cassandra a snap, allowing DataOps teams to set up a Cassandra cluster, according to the company.

Execution memory error detection

With kernel 5.13, Ubuntu 21.10 adds support for Kernel Electric Fence, a new runtime memory error detector designed for production environments. KFENCE is designed to reduce overhead while detecting the most common memory errors.

“Enabled by default, Ubuntu 21.10 will randomize the kernel stack memory location on every system call entry on amd64 and arm64 architectures with minimal impact on performance,” Canonical said.

Ubuntu 21.10 Impish Indri is the last point release before Ubuntu’s next long-term support slated for release in April 2022. Ubuntu 21.10 will be supported until at least 2032, the company said.

“As open source becomes the new default, we aim to bring Ubuntu to every corner of the business and wherever developers want to innovate,” said Mark Shuttleworth, Founder and CEO of Canonical, in a press release. “From the largest public clouds to the smallest devices, from DGX servers to Windows WSL desktops, open source is the springboard for new ideas and Ubuntu makes that springboard safe, secure and consistent.

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