How to Find disk SCSI ID WWIDS In Linux
On Linux disk SCSI ID uniquely identifies each SCSI device on the SCSI bus. A unique SCSI ID is generated when a scsi disk is added to Linux system. SCSI ID can be used for representing a disk in the…
Category Linux
3 Ways to Open a port in Linux
How to open a port on Linux is a common question when testing a firewall-related problem. In this article, we will use nc command and Python code to open a TCP port manually on Linux and check if this port…
Linux Tcpdump: Filter ipv6 ntp ping packets
Tcpdump is a very powerful Linux command to capture packets. We collect the following tcpdump command examples to help you quickly filter the packets you need. How to filter ipv6 ntp ping packets with tcpdump? Related Posts: 20 Advanced Tcpdump…
3 commands to Find MAC Address In Linux
How to list MAC address on Linux is a commonly asked question during a Linux job interview. Here are some methods to get the MAC address. These commands are safe to run without changing anything. The following commands can get…
Why Linux Irqbalance Service Improves Linux Performance
Linux Performance is an important task for Linux admins. Irqbalance is a command-line tool that distributes hardware interrupts across processors to improve system performance. We will cover irqbalance service today to see why we can get better network and storage…
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…