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Power management in the Xen Project Hypervisor historically targets server applications to improve power consumption and heat management in data centers reducing electricity and cooling costs. In the embedded space, the Xen Project Hypervisor faces very different applications, architectures and power-related requirements, which focus on battery life, heat, and size.

Gaming has traditionally been one of Linux's weak points. That has changed somewhat in recent years thanks to Steam, GOG, and other efforts to bring commercial games to multiple operating systems, but those games often are not open source. Sure, the games can be played on an open source operating system, but that is not good enough for an open source purist. read more

The question of the earliest GCC compiler version to support for building the Linux kernel comes up periodically. The ideal would be for Linux to compile under all GCC versions...

This tutorial describes how to set up and configure virtual mail hosting with an LDAP backend. Software we will use in this howto: Postfix (MTA), Dovecot (IMAP / POP3), Gnarwl (vacation), OpenLDAP (LDAP) and vMailpanel as the management interface. Optional are Proftpd FTP, Roundcube (webmail) and MariaDB (SQL backend for Roundcube).

We live in an age of innovation featuring rapid cycles of change. Futurist Gerd Leonhardt estimates we will see more change between 2015 and 2035 than in the prior 300 years of modern history. To effectively understand this change, we need to step back and see the large scale impact of this age. read more

Thunderbird is a popular free email client developed by Mozilla. Similar to Firefox, Thunderbird offers a large choice of add-ons for extra features and customization. This article focuses on four add-ons to improve your privacy. Enigmail Encrypting emails using GPG (GNU Privacy Guard) is the best way to keep their contents private. If you aren’t […]

There comes a time when having a full-fledged Linux distribution within reach is necessary or just plain useful. And, what could be more within reach than having that same distribution on a computing device most people have with them at all times? Yes, I'm talking about a smartphone—specifically, an Android-powered smartphone. Enter UserLAnd.

What better way to add a geeky touch to #vanlife than with a Linux server in your RV? One easily could make the strong argument that an RV is the ultimate DIY project playground. It combines all of the DIY projects you could perform on a vehicle with the DIY projects for a home.

News briefs for July 10, 2018.

In a nutshell: you use permissions to establish who can do stuff to files and directories and what they can do with each file and directory -- read from it, write to it, move it, erase it, etc. To try everything this tutorial covers, you'll need to create a new user on your system. Let's be practical and make a user for anybody who needs to borrow your computer, that is, what we call a guest account.

Reflex CES has launched a “COMXpressSX Stratix 10” Basic Type 7 module that runs Linux on Intel’s Stratix 10 SX SoC and offers 56GB DDR4, 32GB eMMC, and 32x PCIe. An optional PCIe carrier supplies 10GbE, GbE, SATA, and more. Paris-based Reflex CES, which sells a variety on FPGA-based PCIe boards and development kits, last year released a Linux-driven, 95 x 86mm Arria 10 SoC SoM based on Intel PSG’s FPGA- and dual Cortex-A9 enabled Arria 10 SoC. Now it has returned with a COM Express Basic Type 7 module and development kit that runs Linux on Intel PSG’s more powerful, 14nm fabricated Stratix 10 SX SoC.

What's better than having Perl installed on your system? Having multiple Perls installed on your system! With Perlbrew you can do just that. But why—apart from surrounding yourself in Perl—would you want to do that? read more

Without crypto wallets, cryptocurrencies like Bitcoin and Ethereum would just be another pie-in-the-sky idea. These wallets are essential for keeping, sending, and receiving cryptocurrencies. read more

I use open source tools whenever and wherever I can. I returned to college a while ago to earn a master's degree in educational leadership. Even though I switched from my favorite Linux laptop to a MacBook Pro (since I wasn't sure Linux would be accepted on campus), I decided I would keep using my favorite tools, even on MacOS, as much as I could. Fortunately, it was easy, and no professor ever questioned what software I used. Even so, I couldn't keep a secret. read more

While working on the Linux command line, there may be times when you'd want to check process related details, like which process is consuming CPU or memory the most? Well, there exists a command - dubbed top - that lets you do this easily. In this tutorial, we will discuss this tool using some easy to understand examples.

I’m thrilled to welcome Sunil Abraham as Mozilla Foundation’s new VP, Leadership Programs. Sunil joins us from The Center for Internet and Society, the most recent chapter in a 20 … Read more The post Welcoming Sunil Abraham – Mozilla Foundation’s New VP, Leadership Programs appeared first on The Mozilla Blog.

VIDEO: Canonical has a new Ubuntu release just for servers, containers, and clouds.

This tutorial shows the integration of CFSSL with the Lemur certificate Manager. In the previous article on Lemur certificate manager, we have not used any third party root Certification Authority (CA) for the client certificates. Therefore, in this tutorial, PKI will be set up using CFSSL (Cloudflare's SSL) and integrated with the Lemur project.

Sapphire has launched a Linux-friendly “FS-FP5V” SBC starting at $325 that features an AMD Ryzen V1000 SoC, as well as SATA III, 2x M.2, 4x DP++, 2x GbE, and 4x USB ports including a USB 3.1 Type-C. Sapphire, which makes AMD-based graphics cards and motherboards, has launched a 147.3 x 139.7mm Mini-STX (5?5-inch) form factor […]

VIDEO: It's now possible to upgrade directly from Linux Mint 18.3 to Linux Mint 19. But, it's not easy. Here's you do it.