CMD
NFS, The Network File System
The Network File System (NFS) is a protocol that allows you to set up storage locations on your network. When you have NFS set up, your users can treat a remote hard drive as if it were attached to their computer, just...
JSON and jq Tutorial
As the web grows in popularity and power, so does the amount of data stored and transferred between systems, many of which know nothing about each other. From early on, the format that this data was transferred in mattered, and like the...
Linux Old CMDs and Their Replacements
In this article, we will share deprecated Linux commands and their replacements. These commands include ifconfig, netstat, arp, nameif, and more. Importantly, you should keep in mind that unmaintained software is dangerous, it poses a great security risk to your Linux system....
Essential CMD, diff
The diff is a command-line utility that allows you to compare two files line by line. It can also compare the contents of directories. The diff is most commonly used to create a patch containing the differences between one or more files...
Text Processing, CUT and TR
Like peanut butter and chocolate, cut and tr are two great commands that go great together. The cut provides an easy way to grab one or more fields from a line of text, and tr allows you to prepare the line first....
Text Processing, Abstract
Text processing in Linux refers to manipulating, analyzing, and managing textual data using various command-line tools and utilities available in the Linux operating system. It involves performing a wide range of tasks on text data, such as searching, filtering, sorting, formatting, and...
macOS, Useful Built-in Commands
Sometimes when I’m bored, I like to look at the list of macOS Bash commands. macOS comes with a lot of built-in utilities. Here’s a list of some that I find interesting. macOS is a Unix OS and its command line is...
ISO CMD, Create ISO Image and USB Disk
An ISO file is a bit-by-bit copy of the contents of a CD, DVD, or Blu-ray disc. These files are commonly used for archival and distribution purposes, and we can burn them to optical discs or mount them in read-only mode. In...
Monitor CMD, top Command
The top command is a Linux utility that is used to display real-time information about running processes on a system. It provides a summary of the current state of the system, including the CPU, memory, and swap usage, as well as a...
Monitor CMD, iostat, sar, iotop, vmstat
In this tutorial, we’ll discuss how to monitor system activity in the Linux. It’s an important task to perform while maintaining a system. We need to see if there’s a bottleneck and what causes it, as well as identify which process is...
Essential CMD, find
If you want to search files by a pattern and then apply something to the results you have at least two choices. You can use find. -exec or you can pipe the results to xargs. There are also two different choices for...
Essential CMD, cp, scp, sftp
When working on Linux and Unix systems, copying files and directories is one of the most common tasks you’ll perform on a daily basis. cp is a command-line utility for copying files and directories on Unix and Linux systems. SCP (secure copy)...
Essential CMD, FileSync, Rsync
Rsync (Remote Sync) is an useful command line utility for Unix like systems to synchronize files between two remote systems. A user can also use rsync command to sync files between two directory on same system. The rsync uses delta-transfer algorithm, which...