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Videos :: The Linux Channel

Watch on Youtube - [368//0] x25b Rockchip ROC-RK3566-PC from Firefly | OpenWRT | Part 1 | The Linux Channel ↗
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☆ Video Episodes :: Linux Kernel programming ↗


☆ Video Episodes :: Linux Kernel Network Programming ↗


☆ Video Episodes :: Linux (user-space), Systems Architecture and Networking ↗

Watch on Youtube - [942//0] 163 Job and Career Advice - Network Admin and Network Software Developer ↗


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Video Episodes :: FreeBSD

FreeBSD Networking Sub-system ↗
Saturday' 13-Mar-2021

Generic FreeBSD ↗
Saturday' 13-Mar-2021
FreeBSD is an Open-Source operating system used to power networking appliances, modern servers, desktops, and embedded platforms. A large community has continually developed it for more than three decades. Its advanced networking, security, and storage features have made FreeBSD the platform of choice for many of the busiest web sites, embedded networking solutions and storage devices.

pfSense - free and open source firewall and router based on FreeBSD that also features unified threat management, load balancing, multi WAN, and more ↗
Saturday' 13-Mar-2021
Watch detailed videos and read topics on pfSense a FreeBSD based Firewall

TrueNAS (formerly known as FreeNAS) - free and open-source network-attached storage software based on FreeBSD ↗
Tuesday' 03-May-2022
TrueNAS (formerly known as FreeNAS) - is a free and open-source network-attached storage (NAS) operating systems produced by iXsystems based on FreeBSD and Linux, using the OpenZFS file system. It is licensed under the terms of the BSD License and runs on commodity x86-64 hardware. The TrueNAS range includes free public versions TrueNAS CORE, commercial versions (TrueNAS Enterprise), Linux versions (TrueNAS SCALE). iXsystems also offers hardware, from small home systems to large 10 petabyte arrays, based on the above versions.


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Featured Video:
Watch on Youtube - [972//0] x23b 802.3x Ethernet Flow Control | L2 multicast | Switching protocols ↗

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.

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.

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

Linux Kernel vs User-space - Library APIs - Linux Kernel Programming ↗
Tuesday' 17-Jan-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.

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 /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 ↗
Monday' 23-Jan-2023
Here is my multi-episode video series on evaluation of Rockchip ROC-RK3566-PC from Firefly with stock OpenWRT firmware.

Support, Donate and Contribute - The Linux Channel ↗
Saturday' 13-Mar-2021
Help shape the future and make an impact by donating/sponsor The Linux Channel. Your donation will transform lives !

Research Socket overhead in Linux vs Message Queues and benchmarking ↗
Saturday' 13-Mar-2021

Linux Kernel Data-Structures ↗
Saturday' 13-Mar-2021
Here is a quick reference of important Linux Kernel Data Structures of various assorted Kernel Subsystems such as: Process, Memory Management, Networking, File System, Device Drives, IPC and so on. So when you write custom Kernel code, it is often you may need to populate a new instance of one of these data-structures or just access the existing ones. Hence it is very important to know some of these and get familiarized with. You can bookmark this page, so that you can use this as a quick reference when you write your own custom Linux Kernel Modules.


Trending Video:
Watch on Youtube - [495//0] x244 Building Linux Embedded Distributions vs Regular Distributions ↗

Bluefish IDE - a simple versatile light-weight best editor to edit kernel source files, html files, c source code, text files, SQL schema and so on ↗
Saturday' 13-Mar-2021



Recommended Video:
Watch on Youtube - [990//0] x224 Linux Kernel Dummy Network Interface /drivers/net/dummy.c Network Namespace Research Part-1 ↗