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NEWS 》 Weekly News Digest - Week 12 - March 2018

ReSpeaker Core v2 is a 6-Mic Array Audio Development Kit Powered by Rockchip RK3229 Processor
Seeed Studio launched ReSpeaker Core board designed for voice interaction in 2016. The board was based on a Mediatek MT7688 MIPS WiSoC running OpenWrt, and came with a single built-in microphone, although a microphone array board with 7 microphones and 12 LEDs was also offered as option... Read More

Watch on Youtube - [387//0] x263 Inline Programming | Assembly | Scripts | php, python, shell, etc | Rust in Linux Kernel ↗

How to monitor network protocol traffic on your data center Linux servers
If you're looking for a powerful network protocol monitor for your Linux data center servers, ntopng might be the perfect solution. Jack Wallen shows you how to install this open source tool... Read More

Watch on Youtube - [194//0] x26f Porting Sample libpcap C code to Raw Sockets | User-space Network Stack Framework - Part 2 ↗

Open Source LimeSDR Mini Takes Off in Satellites
Lime Microsystems is collaborating with the European Space Agency to make its Ubuntu Core-driven LimeSDR Mini boards available for developing applications running on ESA’s communications satellites... Read More

Watch on Youtube - [967//0] Linux Kernel skbuff data-structure - part9 - skb_trim() ↗

Marvell revs up Ethernet to 400Gbps with new ‘Alaska’ chips
Marvell Semiconductor's Alaska C 88X7120 transceivers are the first to support the 802.3 standard, which will quadruple network throughput... Read More

Ethernet sales growing, but routing's been routed by software
According to analyst clan IDC's wrap of calendar year 2017's shipments, the switch business added a mere 3.2 per cent year-on-year in Q4 2017 to reach US$6.9 billion for the quarter, while the full-year $25.7bn represented 5.4 per cent growth.

Routers, IDC says, grew four per cent in the year to reach $15.2bn... Read More

Watch on Youtube - [69//0] x272 Linux Kernel Programming | API Hierarchy | External Internal Wrapper Helper APIs #kernel ↗

Natural Language Processing (NLP)
Natural Language Processing (NLP) is a field of Artificial Intelligence which enables computers to analyze and understand the human language. It was formulated to build software that generates and understands natural languages, so that a user can have natural conversations with his computer instead of through programming or artificial languages like Java or C... Read More

WAGO PFC200 PLC Runs Embedded Linux, Supports Web and Mobile Visualization
WAGO is an international company with headquarters in Germany, designing electrical devices and automation systems. One of their latest product is WAGO PFC200 (PFC – Programmable Field Controller) designed for IIoT applications and running embedded Linux on an Arm Cortex A8 processor... Read More


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Featured Video:
Watch on Youtube - [4501//0] Linux RAW Sockets - Generate Layer-2 STP Packets ↗

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.

Trending Video:
Watch on Youtube - [981//0] x264 Managed SD-WAN services | Welcome to SMOAD Networks | SD-WAN | Multi-WAN ↗

Linux Kernel struct udphdr data-structure ↗
Thursday' 19-Oct-2023


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Watch on Youtube - [494//0] 0x1d8 Introduction to Network Processors (NPU) | Part 2 | #TheLinuxChannel #KiranKankipati ↗