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Scheduling with cron & At

Introduction One of the challenges (among the many advantages) of being a sysadmin is running tasks when you'd rather be sleeping. For example, some tasks...

Compressing & Archiving files and directories

Introduction Linux Archiving & Compression Archiving is the process of combining multiple files and directories (same or different sizes) into one file. in the second...

How to Mount and Unmount File Systems in Linux

Introduction On Linux and UNIX operating systems, you can use the mount command to attach (mount) file systems and removable devices such as USB flash drives at...

Partitioning using parted & fdisk commands

Introduction Creating disk partitions enables you to split your hard drive into multiple sections that act independently. In Linux, users must structure storage devices (USB and...

FSTAB & MTAB

INTRODUCTION These are some of those critical programs for your computer. Without these, your computer will not know where to find any of the partitions...

History Command with Examples

History Command is used to view the previously executed command and it can also list it. This feature was not available in the...

Creating a single control-plane Kubernetes cluster with kubeadm

Introduction Kubernetes is a cluster and orchestration engine for Docker containers. In other words Kubernetes is an open source software or tool which is used to orchestrate and manage Docker...

RPM Commands

INTRODUCTION RPM (Red Hat Package Manager) is an default open source and package management utility for Red Hat systems like (RHEL, CentOS and Fedora). The tool allows you install, update, uninstall, query, verify and manage system...

VIM Editor

Vim is an advanced and highly configurable text editor built to enable efficient text editing. Vim text editor is developed by Bram Moolenaar. It supports...

Unix and Linux history

Unix, Linux, and variant history Introduction Once upon a time operating systems were complex and unwieldy. One day in the late 1960s,Ken Thompson,  Dennis Ritchie and a...

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