The dig command, which stands for Domain Information Groper, is a powerful and versatile command-line utility for querying Domain Name System (DNS) servers. For network administrators and developers, it is an indispensable tool for diagnosing DNS problems, verifying configurations, and…
CPU usage is an important metric for CPU performance in Linux. Today we will learn how to use top and sar command to check cpu usage and what us sy ni wa hi st means. Understanding CPU usage in Linux…
When I first began managing Linux servers, one of the most perplexing metrics I encountered was the load average. At first glance, the numbers seemed abstract and elusive—what did a load average of 2.5 or 5.0 actually mean for system…
On Linux a login shell is a shell given to a user upon login into their user account. Today we will look at how to change the default login shell safely for one specific user. Understanding user shell in Linux…
How to check disk space is a commonly asked question during a Linux job interview. Disk space usage and disk utilization are different in Linux. Disk space usage means how much percent of space we use on the disk. Disk…
Linux network management is an important task for Linux admins. We’ll cover the basics of network status via the Linux command line today. These Linux commands below are based on the TCP/IP model. These commands are safe to run without…
Wix is a very popular website builder. It is used by over 100 million people across 190 different countries. Today we will share how to add a table of content to Wix blog by python code. How to add a…
A system is having a single core, and if there is a single process consuming all the CPU Time, then CPU utilization will show 100% utilization. But in the case of multi-core systems, it is not necessary that all the…
Tcpdump is a very powerful Linux command to capture packets. CDP and LLDP protocol can be used to get upstream switch info like vlan id, port info, switch name etc from Linux servers. We can use tcpdump command on Linux…
Linux find command is one of the most powerful tools in the Linux system administrators’ arsenal. The basic syntax for the find command in Linux is: find [path] [expression] where path is the starting directory for the find command, and…
