Category Linux

6 Ways to check logged in users in Linux

Linux is a multi-user system. It is always important to know who has logged into your Linux box. This isn’t just to help track the activities of malicious users, but mostly to figure out who made the mistake that crashed…

6 ways to Check a remote port status in Linux

Checking remote port status is a common task for Linux admin. Now we collect 6 different ways for this task. We don’t need to install any package if we use the following two python commands. We need to install the…

7 Python Pip Command Examples

Pip is the package installer for Python. We can use pip to install packages that are not distributed as part of the standard library from the Python Package Index and other indexes. How to install Pip on Linux? First, we…

Tcpdump: capture DHCP & DHCPv6 packets

DHCP is a network protocol used on IP networks where a DHCP server automatically assigns an IP address and other information to each host on the network. We can use tcpdump command to filter DHCP packets. How DHCP Works? DHCP…

Learn tcpdump Filter Quick Guide

Ever felt like your network was a bustling city street, but you only had a bird’s-eye view, unable to pick out individual conversations? That’s where tcpdump comes in. It’s like having X-ray vision for your network interfaces, letting you see…

What Is Linux?

Linux is very popular now. But what is Linux? To understand what Linux is, it is necessary to first explain what OS is and a little about its component parts. We collect 4 basic questions to help you understand what…

20 Important Linux Commands for Linux Beginners

Linux commands are very important for Linux Beginners. These 20 important Linux Commands will be very useful for you. In this article, I will show you the 10 basic Linux commands and 10 advanced commands that every beginner must know.…

How Disk Multipath works on Linux

Linux Multipath command is used to manage storage SAN (storage area network) disks on OS side. Linux multipath provides a way of organizing the I/O paths logically, by creating a single multipath device on top of the underlying devices. Start…