Mohammed has written 63 articles

Recovering a Linux Software raid when a rebuild fails

In this scenario we will recover from a situation where both drives in a software raid 1 in Linux have failed. First go through this guide: https://server-help.org/index.php/2019/04/17/rebuild-software-raid-linux/ If this process fails and the raid is not rebuilt proceed as follows. In this we assume sda is the drive with our data but is failing, and…

Installing & Configuring Fail2ban to Secure your Server

As we have mentioned previously, how to Secure your Server SSH Login. Today, we are going to Install and Configure Fail2ban, to black list illegitimate connections, most likely (DDOS, Bruteforce Attacking, etc..) on your Server. Fail2ban is not available in CentOS package repository. Therefore, we need to install EPEL (Extra Packages for Enterprise Linux) repository…

How to mount Cloud / VPS Cloud in Rescue

When we boot Server into Rescue using GParted or Knoppix, we need to mount the Logical Volumes in order to fix whatever issue we have. However, we may receive “mount: unknown file system type LVM2_member” Now, let’s scan our Logical Volumes using lvscan From the output, it seems the Logical Volumes have not been activated.…