Yocto Linux: Tutorial Basics

Yocto Linux: Tutorial Basics

The Yocto Project allows users to create custom Linux distributions for emedded and IoT software. It is an open source project, calloborated on by the Linux foundation and other big names in the tech industry. Its big advantage is that it can work on a variety of architectures including some that are not as mainstream or widespread, like ARM, MIPS, PowerPC, x86, and x86-64.

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Build custom kernel on Debian / Ubuntu

Build custom kernel on Debian / Ubuntu

The Linux kernel sits at the core of all Linux systems, including thousands of GNU/Linux distributions, the Android mobile operating system, and tons of embedded systems, networking devices, etc. Its popuarity and ubiquity can be credited to the fact that it is free and open source. Anyone can download the Linux kernel, make changes to it if they wish, and compile it for their own commercial or private use.

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Check information of kernel module on Linux

Check information of kernel module on Linux

Every time a Linux system is booted, there are a number of kernel modules that will be loaded by the system and used to provide additional support for filesystems, new hardware, and many other things. Obtaining information about particular kernel modules may a be an important troubleshooting skill. In this tutorial, we will explain how to obtain module information such as description, dependency, author or relevant object file name using the modinfo command and its various options.

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Managing kernel modules on Linux

Basic Linux Kernel commands for module administration

The kernel of a Linux system is the core that everything else in the operating system relies on. The functionality of the kernel can be extended by adding modules to it by use of a specific Linux kernel commands. As such, a user can fine tune their kernel settings by enabling or disabling modules. This level of granular control is one of the many reasons why users love Linux in the first place.

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Blacklisting a kernel module on Ubuntu Linux

How to blacklist a module on Ubuntu/Debian Linux

There may be a time when you need to disable some kernel modules from being loaded during your Linux system’s boot time. In this guide, we will discuss a few different ways to blacklist a module, including its dependencies, on Ubuntu and any other Debian based distros. This will effectively permanently disable a module from loading during the boot time.

In this tutorial you will learn:

  • How to blacklist a kernel module on Ubuntu/Debian-based Linux distros

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