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December 1, 2020 by Abhishek Jadhav - 3 Comments

DIY Pi KVM: An easy and cheap KVM over IP for Raspberry Pi

Traditional IP-KVM systems may cost you hundreds of dollars. DIY Pi KVM over IP is a very simple and fully functional Raspberry Pi-based KVM over IP that you can make yourself. If you do not know what IP-KVM is, it stands for keyboard, video, and mouse. It allows you to connect to a computer or a server remotely. With this, you can fix problems such as configuring the BIOS or reinstalling the OS using a virtual CD-ROM or flash drive. You can see the v2 example implementation in the above image. Pi-KVM v0 and v2 are ready-made images available for download for Raspberry Pi. You will find all the required hardware in the “Getting Started” section for the v0 and v2 platform for Raspberry Pi. In the figure below you can see the B101 HDMI-to-CSI bridge connected to the Raspberry Pi. The team is working to launch the v3 board […]

June 26, 2016June 26, 2016 by Jean-Luc Aufranc (CNXSoft) - 15 Comments

$599 Softiron Overdrive 1000 Server is Powered by AMD Opteron A1100 64-bit ARM Processor

ARMv8 servers have been around for a year or so, but normally only available to companies, mostly due to their very high price. LeMaker Cello board based on AMD Opteron A1120 quad core SoC have changed that since it’s priced at $299, but I’m not sure it’s shipping right now, and it’s not a complete solution fitted with memory and storage, and lacks an enclosure. The good news is that Softiron has just launched Overdrive 1000 server powered by AMD Opteron A1100 series processor, with 8GB DDR4 RAM, a 1TB drive, and a case. Softiron Overdrive 1000 server specifications: SoC – AMD Opteron A1100 series quad core ARM Cortex A57 processor System Memory – 2x RDIMM slots fitted with 8GB DDR4 DRAM and expandable to 64GB Storage – 2x SATA 3.0 connector with one fitted with a 1TB HDD Connectivity – 1x GBase-T Ethernet USB – 2x USB 3.0 ports […]

April 15, 2015May 29, 2017 by Jean-Luc Aufranc (CNXSoft) - 12 Comments

Linux 4.0 Release – Main Changes, ARM and MIPS Architectures

Linus Torvalds “Ima Sheep” released Linux Kernel 4.0 on Sunday: So I decided to release 4.0 as per the normal schedule, because there really weren’t any known issues, and while I’ll be traveling during the end of the upcoming week due to a college visit, I’m hoping that won’t affect the merge window very much. We’ll see. Linux 4.0 was a pretty small release both in linux-next and in final size, although obviously “small” is all relative. It’s still over 10k non-merge commits. But we’ve definitely had bigger releases (and judging by linux-next v4.1 is going to be one of the bigger ones). Which is all good. It definitely matches the “v4.0 is supposed to be a_stable_ release”, and very much not about new experimental features etc. I’m personally so much happier with time-based releases than the bad old days when we had feature-based releases. That said, there’s a few […]

October 31, 2014 by Jean-Luc Aufranc (CNXSoft) - No Comments

Linaro 14.10 Release with Kernel 3.17 and Android 4.4.4, Debian ARM64 Port Almost Complete

Linaro 14.10 has just been released with Linux kernel 3.17 (baseline), Linux 3.10.54 & 3.14.19 (LSK, same versions as last month), and Android 4.4.2 & 4.4.4. Most of the work is a continuation of previous months working member hardware, and ARM64, but one particularly interesting point is that 90% of Debian packages have been built for ARM64, and the next version of Debian should have an official ARM64 port. Here are the highlights of this release: Linux Linaro 3.17-2014.10 updated linaro-android topic. In particular, CONFIG_IPV6=y is no longer the requirement for linux-linaro tree builds GATOR version 5.19 (same version as in 2014.08 release). gatord is fixed to build for ARMv8. dropped multi_pmu_v2 topic by ARM LT (no longer used) updated topic from Qualcomm LT (include IFC6410 board support) replaced integration-linaro-vexpress topic by integration-linaro-vexpress64. Starting from 2014.10 release, linux-linaro kernel tree will use the mainline support for 32-bit vexpress boards. integration-linaro-vexpress64 […]

August 6, 2014May 29, 2017 by Jean-Luc Aufranc (CNXSoft) - 4 Comments

Linux 3.16 Released

Linus Torvalds announced the release of Linux Kernel 3.16 over the week-end: So nothing particularly exciting happened this week, and 3.16 is out there. And as usual (previous release being the exception) that means that the merge window for 3.17 is obviously open. And for the third time in a row, the timing sucks for me, as I have travel coming up the second week of the merge window. Many other core developers will be traveling too, since it’s just before the kernel summit in Chicago. So we’ll see how the next merge window goes, but I’m not going to worry about it overmuch. If I end up not having time to do all the merges, I might delay things into the week of the kernel summit, but I’ll hope to get most of the big merging done this upcoming week before any travel takes place, so maybe it won’t come […]

August 21, 2013 by Jean-Luc Aufranc (CNXSoft) - 4 Comments

KVM on 64-Bit ARM with AppliedMicro X-Gene Developement Platform

Applied Micro announced X-Gene 64-Bit ARMv8 Server-on-Chip at ARM Techcon 2011, and later in 2012, they showcased Apache2 on an FPGA implementation of the chip. More recently, they showcased KVM (Kernel-based Virtual Machine) on their X-C1 hardware platform with an actual X-Gene SoC at Linaro Connect Europe 2013, and Linaro has just uploaded the video of the demo. The development board features 8 ARMv8 64-bit processors, PCI network, up to 6 SATA drives (but only one used in the demo), and they also have hardware fitted into a 1U rack. The demo below runs 4 SMP Linux virtual machines (with 2 VCPUs), including 2 ARMv7 32-bit, and 2 ARMv8 64-bit guests, running web servers concurrently on each VM using VirtIO-based network virtualization. Jean-Luc Aufranc (CNXSoft)Jean-Luc started CNX Software in 2010 as a part-time endeavor, before quitting his job as a software engineering manager, and starting to write daily news, and […]

August 27, 2011August 27, 2011 by Jean-Luc Aufranc (CNXSoft) - No Comments

Free Linux Tutorials by the Linux Foundation

Yet another software development tutorial resource this week… The Linux Foundation regularly offers paid tutorials about Linux either online or onsite, but they also have free Linux training videos on their website. There are now 7 free tutorials namely: How to Work with the Linux Community by LWN.net editor and kernel developer Jon Corbet (28:43) . Introduction to Embedded Linux by author Jerry Cooperstein (26:28). Linux Administration 101: Introduction to Vim by author Joe “Zonker” Brockmeier (Length unknown, video not working at the time). Introduction to Git by kernel developer James Bottomley (29:57). Introduction to Btrfs by kernel developer Chris Mason (26:48). Linux Virtualization Using KVM by kernel developer Christoph Hellwig (23:58). Six Tips For Getting Started With Open Source Compliance by Philip Koltun (16:22). I’ve been looking for the presentation slides of these tutorials, but they do not seem to be publicly available. They may also add more free Linux tutorials in the […]