Sysads Gazette

Linux tutorials, howtos and step by step guides

Error Correction and Detection in Linux

Error correction is an important aspect of data storage, as it helps to ensure that data is stored and retrieved correctly, even in the presence of errors. In Linux, there are several tools and techniques that can be used to detect and correct errors in filesystems, including badblocks and the ext filesystem’s e2fsck utility. Error correction and detection is a fundamental concept in computer science, and it is based on a variety of mathematical principles and techniques.

History and Future of the C Language

The C programming language is a high-level programming language that was developed in the early 1970s by Dennis Ritchie at Bell Labs. It was designed to be a general-purpose, high-level language that could be used for a wide range of applications, from operating systems to business software. One of the main benefits of C is its efficiency and performance. C is a compiled language, which means that it is transformed into machine code that can be directly executed by a computer’s hardware.

Unix Philosphy and Principles

The philosophy of Unix is a set of principles and design decisions that underlie the Unix operating system and its derivatives. Unix was developed in the 1970s by a group of researchers at AT&T’s Bell Labs, and it has since become one of the most widely used and influential operating systems in the world. One of the key features of the Unix philosophy is the emphasis on simplicity and minimalism. Unix was designed to be a small, efficient, and flexible operating system that could be easily adapted to a wide range of hardware and software platforms.

History of the Proc Filesystem

The proc filesystem is a virtual filesystem in the Linux operating system that provides information about the system’s processes, hardware, and kernel. The proc filesystem is a unique feature of Linux that has been widely adopted by other operating systems and has played a significant role in the development of modern computing. The idea behind the proc filesystem originated in the 1980s, when researchers at the University of Utah were developing the Mach operating system.

Getting Started Developing the Linux Kernel

Developing on the Linux kernel can be a challenging but rewarding experience for those interested in operating systems and low-level programming. The Linux kernel is the core of the Linux operating system, and it is responsible for managing hardware resources, providing interfaces for interacting with hardware and software, and implementing various operating system features. If you are interested in starting to develop on the Linux kernel, there are a few tools and techniques that you should be familiar with.

History and use of Systemd in Linux

Systemd is a software utility that manages and controls the system services and processes in a Linux operating system. It is a system and service manager that is responsible for controlling the initialization of the system and starting, stopping, and managing system services. Systemd was developed by Lennart Poettering and Kay Sievers in 2010 and has since become the default init system for many Linux distributions. Systemd is designed to be a replacement for the traditional init system, which is the first process that is started after the kernel has been loaded.

How to Become a Linux Sysadmin

How to Become a Linux Sysadmin Becoming a Linux sysadmin requires a combination of technical skills and experience with the Linux operating system. In this article, we will cover the key steps to take in order to become a successful Linux sysadmin. Study the shell The shell is a command-line interface that allows users to interact with the operating system. As a sysadmin, you will need to be proficient in using the shell to navigate the file system, manage processes, and perform other tasks.

Git Internals

Git is a version control system that is widely used for tracking changes in software projects and coordinating the work of developers. In this article, we will explore the history of Git and how it works internally. Git was developed by Linus Torvalds, the creator of the Linux kernel, in 2005. At the time, Torvalds was using a proprietary version control system called BitKeeper, but the company that developed it decided to stop providing free licenses to the Linux kernel development team.

Benefits to Compiling Your Own Kernel

Compiling Your Own Linux Kernel Compiling your own Linux kernel can offer a number of benefits for users who are willing to take the time to do so. In this article, we will explore some of the key advantages of compiling your own kernel, as well as provide an overview of the process involved. One of the primary benefits of compiling your own kernel is the ability to optimize it for your specific hardware.

What is an inode?

Inodes and filesystems are important concepts in computer science that are often discussed in the context of operating systems. An inode is a data structure used to store information about a file or directory on a computer’s filesystem. This information includes the file’s size, ownership, access permissions, and the location of the file’s data on the physical storage device. A filesystem is the underlying structure that an operating system uses to organize and manage the files and directories on a computer’s storage devices.

What is ext2?

What is the ext2 filesystem? The ext2 (second extended) filesystem is a type of file system used in Linux operating systems. It was the default file system in many Linux distributions in the 1990s, and it is still in use today, although it has been largely superseded by newer file systems such as ext3 and ext4. The ext2 file system was developed as a successor to the original ext (extended) file system, which was released in 1992.

What is a disk partition?

What is a disk partition? Introduction A disk partition is a logical division of a hard disk that is used to separate and organize data. A disk partition can be created to store specific types of data, such as operating system files, application files, or user data. In Linux, disk partitions are typically created during the installation process. In traditional Unix systems, system administrators would create many partitions, each of which would be used for a different purpose.

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Linux Commands list for beginners

An article that will show a basic Linux Commands list for beginners. Linux Commands list for Beginners Linux is one of the most popular open source operating system that is used by programmers around the world. It is easy to install and is loaded with incredible features that work efficiently on any hardware. Linux is also fully customizable and can be modified as per your hardware and software requirements. Whether you’re new to Linux or have been a fan of this operating system for a long time, you should be familiar with a basic Linux command list for beginners that will improve your user experience.

Android Emulators for Linux

Android Emulators for Linux  An emulatoris a program or a hardware device that allows your connected device like a computer to imitate a different system. Usually, an emulator is used for popular hardware devices when they become outdated or are not compatible with the majority of machines in the market. Terminal emulation is a term that refers to the use of emulators to make an older program work with a new device.