How to Add, Remove and Modify Users in Linux
As a Linux administrator, it is essential to know how to add users, modify users and delete users in a Linux system. It is a good practice to have different accounts for different users...
Tagged: command line
cURL Command Tutorial with Examples
cURL is a command line tool and a library which can be used to receive and send data between a client and a server or any two machines connected over the internet. It supports...
How to Download Files and Web Pages with Wget
The wget command allows you to download files over the HTTP, HTTPS and FTP protocols. It is a powerful tool that allows you to download files in the background, crawl websites, and resume interrupted...
How to Kill a Process in Linux
In an operating system, there are many programs, which may be either run by an user or by the OS itself (such as system services). Such programs which are running on the system are...
A Guide to the Linux “Find” Command
The find command allows users to search for files and take actions on them. It is part of the “findutils” package and comes bundled with all distributions. It is highly flexible, allowing you to...
An Introduction to Linux File Permissions
Linux is a multi-user operating system, and it ensures the security of files with the concepts of “ownership” and “permissions”. You can use these concepts to control who can access and modify files. In...
How to Install and Use Glances to Monitor Linux Systems
Monitoring a system is essential for keeping things running smoothly. Glances is a Python-based tool which provides information on various aspects of the system, such as running processes, I/O, memory and so on. It...
A Guide to the Linux “Top” Command
The top command allows users to monitor processes and system resource usage on Linux. It is one of the most useful tools in a sysadmin’s toolbox, and it comes pre-installed on every distribution. Unlike...
A Guide to SSH Port Forwarding/Tunnelling
SSH is a widely used protocol for system administration and file transfer. In addition, it has a feature called SSH tunnelling (or SSH port forwarding). It creates an encrypted connection between a local computer...
How to Access Your Mac over SSH with Remote Login
Remote Login is a feature in macOS that allows you to connect to your Mac from another computer. Enabling this feature starts up a SSH server, and it allows you to access your Mac through...
How to Get an Unix/Linux Environment on Windows with MSYS2
If you’re a Unix/Linux user who also has to work with Windows systems, you’ve probably wished that Windows was more Unix-like. An Unix-like environment provides many advantages — the powerful text processing tools, using...
Customizing and coloring the bash prompt
If you’re already not familiar with bash, the prompt is the little blurb of text displayed when it asks for a command. It capable of communicating a lot, but most people don’t use it...
How to Take Screenshots of Webpages from the Command Line
There are many situations where you might want to take screenshots of a webpage. Sure, there are browser extensions that do the job, but if you have to take screenshots of many web pages...