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News - The Linux Channel

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News :: Digest

Weekly News Digest - Week 12 - March 2018 ↗
Saturday' 13-Mar-2021
> ReSpeaker Core v2 is a 6-Mic Array Audio Development Kit Powered by Rockchip RK3229 Processor > How to monitor network protocol traffic on your data center Linux servers > Open Source LimeSDR Mini Takes Off in Satellites > Marvell revs up Ethernet to 400Gbps with new ‘Alaska’ chips > Natural Language Processing (NLP) > WAGO PFC200 PLC Runs Embedded Linux, Supports Web and Mobile Visualization

Weekly News Digest - Week 02 - June 2020 ↗
Saturday' 13-Mar-2021
> Microchip’s New PCIe 4.0 PCIe Switches: 100 lanes, 174 GBps > Linux Writecache To See Much Greater Performance On Intel Optane Systems Soon > Toradex i.MX 8X-based System on Modules gain AWS certification and support for Torizon embedded Linux > How to block specific ports on Linux > From Earth to orbit with Linux and SpaceX > Supermicro A2SDi-TP8F Review 12C 4x10GbE and 4x1GbE mITX > Dell EMC Broadcom BCM 57414 Dual 25GbE Adapter Review

Weekly News Digest - Week 5 - February 2018 ↗
Saturday' 01-Jan-2022
> Mini-ITX board fosters flexibility and fights obsolescence > You Can Do Better Than Arduino: Try These Microcontrollers > Open source is 20: How it changed programming and business forever > Since computer technology evolves so rapidly, does it matter if you have 5 or 15 years of experience as e.g. software developer? > Linux Kernel net_device data-structure - possible_net_t nd_net - Network namespace and Linux Containers - Ep7 > New Wave of Mini Satellites Could Boost Climate Research > Here come all the AI deployments; Now how do we manage AI? > Imagination announces neural network acceleration push

Weekly News Digest - Week 8 - February 2018 ↗
Saturday' 01-Jan-2022
> Asymmetric Processor Cores > Using QCT Quanta LB6M 10GbE Switch for Container Networking > Using SSE Instead Of WebSockets For Unidirectional Data Flow Over HTTP/2 > Why IPv6 networks create DNS configuration problems > Hypervisor or containers: Which solution is right for you? > Blockchain for 2018 and Beyond: A (growing) list of blockchain use cases > Raw sockets backdoor gives attackers complete control of some Linux servers

Weekly News Digest - Week 01 - June 2020 ↗
Saturday' 13-Mar-2021
> UDOO BOLT GEAR AMD Ryzen Embedded V1605B Mini PC with Arduino Subsystem Launched for $399 > Systemd Will Change How Your Linux Home Directory Works > How to Manage Systemd Services on a Linux System > Linux 5.7 Kernel Released With New Apple Driver, Official Intel Gen12 Graphics > 8GB Raspberry Pi 4 on sale now at $75 > Bye Raspbian! Long Live Raspberry Pi OS! > Ultra-narrow DipDuino Arduino Compatible Board is a Perfect Breadboard Companion

Weekly News Digest - Week 02 - July 2020 ↗
Saturday' 13-Mar-2021
The Linux Channel :: Weekly News Digest - Week 02 - July 2020
> Google is teaming up with Ubuntu to bring Flutter apps to Linux
> Linux kernel developers: This new BLM coding style avoids words like blacklist
> Zstd'ing The Kernel Might See Mainline With Linux 5.9 For Faster Boot Times
> Linux 5.9 To Bring Arm Memory Tagging Extension Support
> Linux Kernel Raising Compiler Build Requirement To GCC 4.9
> Linux Developers May Discuss Allowing Rust Code Within The Kernel
> Premio Unveils Intel 9th Gen Industrial Motherboard For Advanced Embedded And IoT Solutions

Weekly News Digest - Week 4 - January 2018 ↗
Saturday' 13-Mar-2021
> MIPS Returns to Silicon Valley, Eyes Burgeoning AI Market > NLDWRTG the ULTIMATE WRT54G Expansion Board > How to use the nmcli command to gather network device information on Linux > Logic Supply Introduces ML350 Customizable Fanless Industrial Computer Based on Intel Apollo Lake Processor > Ubuntu Linux 18.04 'Bionic Beaver' LTS will default to Xorg

Weekly News Digest - Week 7 - February 2018 ↗
Saturday' 13-Mar-2021
> First Linux-Based RISC-V Board Prepares for Take-Off > Full Specs Of Snapdragon 670 Appears Online > Core i9 7980XE vs. Threadripper 1950X On Linux 4.15 With Ubuntu 18.04 > Raspberry Pi cranked up to 11? New Odroid-N1 has Android 7.1, six-core chip, 4GB memory, 4K support > Cloud computing will virtually replace traditional data centers within three years

Weekly News Digest - Week 03 - July 2020 ↗
Saturday' 13-Mar-2021
The Linux Channel :: Weekly News Digest - Week 03 - July 2020
> Linux founder tells Intel to stop inventing 'magic instructions' and 'start fixing real problems'
> QNAP launches its first 2.5GbE network switch - QSW-1105-5T
> Japan's ARM-based Fugaku is the world's fastest supercomputer
> FreeBSD Back To Seeing Progress On 802.11ac WiFi Support, Ath10k Driver
> Sparkfun Launches the ZED-F9R GPS Dead Reckoning Raspberry Pi pHAT for Mobile Robots
> ODROID-N2 Plus SBC Gets Amlogic S922X Rev. C Processor Clocked at up to 2.4 GHz
> Rock Pi E SBC Comes with WiFi, Bluetooth, Two Ethernet Ports, and Optional PoE

Weekly News Digest - Week 03 - June 2020 ↗
Saturday' 01-Jan-2022
The Linux Channel :: Weekly News Digest - Week 03 - June 2020 > Kimχ Micro: A powerful alternative to the Raspberry Pi that supports PCIe cards > Linux Lands And Then Reverts Usage Of Flexible Array Members > AMD Ryzen 4000-Powered Asus Mini PC Challenges Intel's NUC > Aaeon's Raspberry Pi-like Board Bears An Intel 8th Gen Core i7 CPU and 16GB of DDR4 > Linus Torvalds Announces Massive Linux Kernel 5.8 Update > New Cisco Cloud Scale ASIC & 400G Line Card Announced > Key Differences of PoE vs PoE+ vs PoE++ Switches a STH Guide

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libpcap Library | Linux User-space Network Stack Development ↗
Sunday' 06-Aug-2023
libpcap is a very popular user-space networking library, with which you can capture and or generate packets. libpcap is the underlying framework for many popular packet capture tools such as tcpdump, Wireshark and so on. In fact libpcap is a part of tcpdump project. But besides just using it as a packet capture tool, you can use libpcap in various applications, such as user-space based networking stack development, etc. In some cases libpcap is yet another alternative to raw-sockets and tun/tap interfaces.

The Linux Channel :: Sponsors ↗
Monday' 30-May-2022
Here is a list of all The Linux Channel sponsors/donors (individual/companies).

Inline Programming | Assembly | Scripts | php, python, shell, etc | Rust in Linux Kernel ↗
Friday' 12-May-2023
Inline programming is a technique where code statements are included directly in the text of a program, instead of being contained in separate files or modules. Inline programming can be useful for small or simple tasks, as it can eliminate the need for a separate script or function. One common example of inline programming is using JavaScripts, Php, etc in HTML documents to create dynamic content. Similarly in Linux Kernel we can find lot of instances where we can find inline programming such as inline assembly and now Rust within the Kernel source.

Linux Kernel /sysfs Interface ↗
Saturday' 14-May-2022
/sysfs is one of the most popular kernel to user-space interface which you can leverage to add an interface to your Kernel code such as Kernel modules, Kernel Device Drivers, etc. Although personally I prefer /proc interface than other alternatives such as /sysfs, ioctl() and so on for my personal Kernel modules/stack. So here is my detailed multi-episode Youtube video series on /sysfs Interface.

Rockchip ROC-RK3566-PC from Firefly | OpenWRT ↗
Thursday' 19-Oct-2023
Here is my multi-episode video series on evaluation of Rockchip ROC-RK3566-PC from Firefly with stock OpenWRT firmware.

What is purpose of Kernel Development - Example SMOAD Networks SDWAN Orchestrator Firewall Kernel Engine ↗
Monday' 18-Jul-2022
Often aspiring students may have this question, that what is the purpose of Linux Kernel Development. Since Linux Kernel is very mature and it has almost everything one would need. Usually, we need custom kernel development in the case of any new driver development for new upcoming hardware. And this happens on and on. But at times we may also come across few features/modules/components which are already provided by the Linux Kernel which are not adequate or atleast not the way we exactly intended to use. So, this is the real-world example, sometimes no matter what Linux Kernel provides as a part of stock Kernel/OS features, sometimes we have to write our own custom kernel stack or module(s) which can specifically cater our exact needs.

Linux Kernel Driver Device Trees ↗
Tuesday' 17-Jan-2023
The Linux kernel is the backbone of the Linux operating system. A device tree is a hierarchical tree structure that describes the various devices that are present in a system, including their properties and relationships to one another. The device tree is used by the Linux kernel to identify and initialize the different devices on a system, and to provide a consistent interface for interacting with them.

Linux Kernel vs User-space - Library APIs - Linux Kernel Programming ↗
Friday' 27-Oct-2023
One of the important aspects a beginner who is into Linux Kernel space systems software development has to understand is that unlike user-space C/C++ programming, where you can freely include any library APIs via respective #include files (which are dynamically linked during run-time via those /lib .so files), in the case of Kernel space programming, these library APIs are written within the Kernel source itself. These are the fundamental APIs which we commonly use, such as memcpy(), memcmp(), strlen(), strcpy(), strcpy() and so on. So here is my detailed Youtube video episode on the same with live demo, walk-through and examples.

Porting Sample libpcap C code to Raw Sockets | User-space Network Stack Framework ↗
Monday' 04-Sep-2023
Here is my multi-episode video series where I demonstrate how you can port the my libpcap sample code, discussed in the earlier episode to raw-socket. This code should further help you to design and architect your own user-space Network stack on top of this fundamental framework.

Roadmap - How to become Systems Software Developer ↗
Friday' 13-May-2022
When you are at the beginning of your career or a student, and aspire to become a software developer, one of the avenues to choose is to become a hard-core Systems Software Developer. However it is easier said than done, since there are many aspects to it as you explore further. As a part of systems developer, you can get into core kernel space developer, kernel device drivers developer, embedded developer and get into things like board bring-up, porting, etc, or can become a user-space systems programmer, and so on. So here is my detailed multi-episode Youtube video series on Roadmap - How to become Systems Software Developer.


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Intro to Crypto and Blockchain | Progate Bangalore Meetup ↗
Saturday' 13-Mar-2021



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