How to Control Kernel Boot-Time Parameters in Linux
Linux booting is a complex process compared to other operating systems. The Linux Kernel accepts many…
Difference Between su and sudo and Configuring sudo in Linux
Linux is generally more secure than many other operating systems. A key part of this security…
How to Extend Root Partition in Linux
As a Linux user, you may eventually run into a situation where your root partition (/)…
Asciinema – Record and Share Your Terminal Sessions in Linux
Asciinema is an open-source terminal recording tool that makes it super easy to share your command-line…
How to Check Exit Status for Command in Linux
When working on a Linux system, every command you run returns a status code (also called…
How to Check DNS Server IP Address in Linux
DNS (Domain Name System) is a fundamental facilitator of several networking technologies such as mail servers,…
How to Install Zip and Unzip in Linux
Zip is a command-line utility tool used for compressing files and folders. Compression of files &…
How to Create Aliases (Shortcuts) for Common Commands in Linux
Linux users often need to use one command over and over again. Typing or copying the…
10 Must-Know sFTP Commands for Linux File Transfers
File Transfer Protocol (FTP) was once a widely used method for transferring files or data remotely….
How to Install and Use dig and nslookup Commands in Linux
If you’re working with networks, managing domains, or troubleshooting connectivity issues, two essential tools you’ll come…
How to Clear RAM Cache, Buffers, and Swap in Linux Without Reboot
Like any other operating system, GNU/Linux has implemented memory management efficiently and even more than that….
22 Linux Networking Commands for Sysadmin
A system administrator’s routine tasks include configuring, maintaining, troubleshooting, and managing servers and networks within data…
How to Use sed and awk to Modify Config Files in Linux
Linux configuration files are often plain text, which makes them easily editable using command-line tools. Among…
Let Sudo Insult You When You Enter Incorrect Password
Sudoers is the default sudo security policy plugin in Linux; however, experienced system administrators can specify…
How Linux Services and Daemons Work (and How to Control Them)
When starting out with Linux, you may encounter the terms “services” and “daemons” quite frequently, which…