How to Setup an L2TP/IPsec VPN Client on Linux
L2TP (which stands for Layer 2 Tunneling Protocol) is a tunneling protocol designed to support virtual private networks (VPN connections)
Aaron Kili
LocalSend – Local Network File Sharing Between Linux, Windows and Mac
One of the most important uses of a network is for file sharing purposes, and there are multiple ways Linux,
How to Install and Use PostgreSQL 18 on Ubuntu 24.04 LTS
PostgreSQL (Postgres in short) is an open source, powerful, advanced, high-performance, and stable relational-document database system, which extends the SQL
6 Best Modern Linux ‘init’ Systems (1992-2025)
In Linux and other Unix-like operating systems, the init (initialization) process is the first process executed by the kernel at
How to List Running Services in Linux (systemctl Examples)
Linux systems provide a variety of system services (such as process management, login, syslog, cron, etc.) and network services (such
22 Linux Networking Commands for Sysadmin
A system administrator’s routine tasks include configuring, maintaining, troubleshooting, and managing servers and networks within data centers. There are numerous
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 a custom security policy
How to Use Shutdown, Poweroff, Halt, and Reboot Commands in Linux
In this article, we’ll explain the difference between the shutdown, poweroff, halt and reboot commands in Linux. We’ll clarify what
Upgrade Ubuntu 20.04 LTS to 24.04 LTS Before EOL in May 2025
Ubuntu 20.04 LTS (Focal Fossa) has been a reliable and solid operating system for many users. However, as we move
How to Find a Process Name Using PID Number in Linux
In this article, we will look at how to find a process name by its process identification number (PID). Before
4 Ways to Check Plugged USB Device Name in Linux
As a newbie, one of the many things you should master in Linux is identifying the devices attached to your
fuser – Find and Kill Processes by File, Directory, or Port
One of the most important tasks in Linux systems administration is process management, which involves several operations such as monitoring,