Check DNS Records with Examples – PTR MX SRV CNAME AAAA
DNS is a very critical part of the Linux operation world. We will cover the most common DNS records today.…
4 ways to Check DNS Record with dig Command in Linux
The most efficient way to check DNS records in Linux is using dig command. This command will send the DNS…
4 Commands to Check HBA WWN WWNN WWPN on Linux
How to get HBA WWPN on Linux is a common task for a storage engineer. We need the WWPN to…
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…
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…
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…
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…
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…
4 Ways to Check Network Status on Linux
Linux network management is an important task for Linux admins. We’ll cover the basics of network status via the 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…