Cyberithub

In this article, we will look into 3 easy ways to check/find OpenSUSE Linux version. You can find two important files in OpenSUSE Linux version i.e /etc/os-release and /usr/lib/os-release which contains all the information about the OS. You can simply open the file with cat command and check the release version. Other important tools that ... Read more

In this article, I will take you through 6 Easy Steps to Setup and Manage Log Rotation Using logrotate in Linux (RHEL/CentOS 7/8). As you might be aware that Linux based Servers has a reserved location called /var/log for all the log files that applications and processes generates. So to make sure that log files ... Read more

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