In this article, I will take you through the steps to migrate CentOS 8 to CentOS Stream 8 in 6 Easy Steps. As you might be aware of the recent announcement by CentOS Project that it is ending the life of traditional CentOS version which we all have been using for a long time. As … Read more

In this article, we will look into 26 iostat, vmstat and mpstat command examples to monitor Linux Server Performance. In a Production Environment, Server performance monitoring is done to keep an eye on the optimal resource utilization. Any under performance of resources due to hardware degradation over a period of time or due to some … Read more

In this article, I will take you through the practical steps required to install iostat and mpstat command on Linux(RHEL/CentOS 7/8). Both iostat and mpstat tools are available through sysstat package in Linux. So to install iostat and mpstat utility you need to install sysstat package with the help of yum command. You can also … Read more

fdisk command is a free and open source utility widely available on Linux Based Platforms to Manage Disk Partitions Table. It understand different partitions table like BSD, GPT, MBR, SUN and SGI. fdisk command can be used to create a new partition, delete a partition, change the partition ID, resize the partition, move a partition … Read more

In this tutorial, I will go through 8 dumpe2fs command examples to manage ext2, ext3 and ext4 filesystem in Linux. dumpe2fs is a very popular free and open source tool to check and manage the Linux based filesystems like ext2, ext3 and ext4. It can be used to check the detailed information of filesystems like … Read more

In this tutorial, I will take you through 7 Simple Steps to Install MTR(My traceroute) on Linux(RHEL/CentOS 7/8). MTR is an open source command line Network diagnostic tool which has the functionality of both traceroute and ping command. It implements the functionality of both traceroute and ping command and has many added features over these … Read more

In this article, I will take you through the steps to Install and Use i3 Window Manager on Ubuntu 20.04. i3 is a free and open source window tilling manager written in C language. It is mainly created for GUI Lovers and for those who likes to use shortcut keys a lot. It is very … Read more

In this article, we will look into all the postfix mail server issues and the steps to resolve those issues. There are many errors one can get while trying to configure postfix MTA so it is very important to understand the cause and other underlying details of those errors before even try to fix the … Read more

In this tutorial, I will take you through 25 Practical and Useful RPM Command Examples in Linux. An RPM is a special archive file that contains software packaged for installation on RHEL/CentOS based servers. Any software package required to be installed in RHEL/CentOS based server has to be an rpm package. To install an rpm … Read more

If you are are programmer or developer then you might have felt or encountered the necessity to change time to epoch time using date utility in Linux or Unix Server. It is not very uncommon to use the epoch time in Linux or Unix friendly scripts or programs hence it is very important to understand … Read more