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…
In this guide we will show you how to move your partition from an HDD to SSD or vice versa. We will assume that you currently have a Dedicated server which contains multiple drives. As you can see there are 2 separate volumes named vg00 and hdd. Going forward you have 2 options. Option 1).…
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.…
Further Scaling and Redundancy In part 3 we will add additional scaling for MySQL as well as add in some redundancy into our setup. For this setup we will require at least 5 servers. 1 – Management Node (Where we will manage and control the cluster) 2 – Data Nodes (Where the MySQL Data will…
*UNIX Servers, like any Device once it’s connected to the Internet, it could be under any Cyber Attacks. In this article, we will try to reach Best Practice Security methods, in order to secure our Server(s) login from non-authorized users. First, when you access your *UNIX Server, it may show you the following: As we…
Scaling In Part 2 we will further scale your website to use 3 servers with a Load Balancer, Private Network, and Shared Storage. One Server will act as the MySQL Server while the other 2 will Load Balance to handle Web requests. Shared Storage 1). In the IONOS Cloud Panel go to Infrastructure > Shared…
The Basics In Part 1 of this guide we will show you how to increase your website performance using the most basic and typical server setup. This guide assumes that you have a single Cloud Server running CentOS 7 where you plan on hosting a single WordPress site that you will scale in the future…
This guide will walk you though how to Rebuild a Software RAID after replacing the defective hard disk. After replacing the defective hard disk, you need to check the RAID status The above output shows that the First Drive (sda) is not exists. By checking fdisk -l, we will notice that SDA has no partition…
This is the process of increasing the LVM Partition to fill use up added disk space after a cloud server is reconfigured. Overview: Remove and Recreate physical LVM Partition(/dev/sda2) Extend LVM Physical Volume(pvresize) Extend LVM Logical Volume(lvresize) Extend Filesystem into remaining space(xfs_growfs//resize2fs) In this example a Cloud Server configuration: Configuration: CPU: 2 vCore RAM: 2…
Step 1: Access your Server via SSH Step 2: Check your current Disk Space Step 3: Check the Free Disk Space: Here, we have 379.88 GB free space. Basically the Logical Volume assigned either to /vg00-var , /vg00-usr , or /vg00-home. Step 4: We will increase /vg00-var by 10GB using the lvextend command. Same steps…