Open-source News

7 Bash tutorials to enhance your command line skills in 2021

opensource.com - Mon, 01/11/2021 - 16:01

Bash is the default command line shell on most Linux systems. So why not learn how to get the most out of it? This year, Opensource.com featured many great articles to help you leverage the power of the Bash shell. These are some of the most-read articles about Bash:


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Deploy Ceph in a Raspberry Pi cluster

opensource.com - Mon, 01/11/2021 - 16:00

Ceph is an open source software storage platform that provides object, block, and filesystem storage in a unified storage cluster. I first used Ceph when I integrated it with OpenStack. At first, I was confused about why I should use Ceph since storage devices are widely available.


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How to Set Up High Availability for Resource Manager – Part 6

Tecmint - Mon, 01/11/2021 - 13:17

YARN is the Processing Layer of Hadoop, which consists of the Master (Resource Manager) and Slave (Node Manager) services to process the data. Resource Manager (RM) is the critical component that is responsible for

The post How to Set Up High Availability for Resource Manager – Part 6 first appeared on Tecmint: Linux Howtos, Tutorials & Guides.

POWER10 Adds New Instructions For Helping Fend Off ROP Exploits

Phoronix - Mon, 01/11/2021 - 13:09
The POWER10 architecture is adding several new instructions to help prevent return-oriented programming exploits...

Linux 5.11-rc3 Released Following A Post-Holiday Ramp-Up

Phoronix - Mon, 01/11/2021 - 07:00
While Linux 5.11-rc2 was tiny due to the holidays, with developers and testers returning to work the Linux 5.11-rc3 release that was just issued is much bigger...

Changing One "If" To "While" Caused An Unexpected Shift In A Kernel Benchmark This Week

Phoronix - Mon, 01/11/2021 - 03:02
Several months back you may recall that Linux 5.9 kernel regression we noted that in turn was bisected to code introduced by Linus Torvalds around page lock fairness. That was ultimately worked out in time with allowing a control over the page lock (un)fairness to address the regressed workloads while being fair enough to satisfy his original change. But now this week for Linux 5.11, Linus Torvalds has again altered the behavior. It then ended up causing a PostgreSQL database server performance regression but fortunately any impact should be very minimal and hopefully not appearing in any real-world situation...

Linux Kernel Developers Discuss Dropping A Bunch Of Old CPUs

Phoronix - Sun, 01/10/2021 - 22:12
With Linux 5.10 having shipped as the latest Long Term Support (LTS) release to be maintained for at least the next five years, a discussion has begun over dropping a number of old and obsolete CPU platform support currently found within the mainline kernel. For many of the architectures being considered for removal they haven't seen any new commits in years but as is the case once proposals are made for them to be removed there are often passionate users wanting the support to be kept...

Mesa 21.0 Is Now Working With Haiku OS For Software OpenGL Rendering

Phoronix - Sun, 01/10/2021 - 19:29
BeOS-inspired Haiku OS can now run with Mesa 21.0 well using the latest development code...

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