Find the path of your drive with the following: This will show you the name of the drive such as sda, sdb etc. Assuming the drive name is sdb, you…
How to format drive to ext4 and mount
How to enable quotas for ext4 Ubuntu 22.04
The first step is to edit your /etc/fstab file as follows: After the discard option, add usrquota and grpquota as follows: Reboot your machine. Finally, run the following command to…
How to remove lock on RBD image (watchers)
When trying to remove an image with rbd, you might have encountered this error: To try and remove this lock is a nightmare when Googling around for a solution. The…
How to install Windows 11 on Proxmox 7
There are a couple of important steps that need to be followed in order to install Windows 11 on Proxmox 7. One the main changes between installing Windows 11 and…
Change hostname Ubuntu 22.04
Most guides will suggest one of the following ways to change the hostname: You’ll find that if you’re running cloud-init, that none of these methods persist the hostname after a…
How to generate an SSH key pair in Linux
How to enable Memcached, Opcache and Redis for CloudLinux PHP (Alt-PHP)
Solve InvalidAccessKeyId when accessing Ceph RGW dashboard
With Ceph Quincy, I sometimes received the following error: RGW REST API failed request InvalidAccessKeyId. This is as a result of the RGW dashboard user not having the correct permissions….
How to create an image on RBD pool and mount
Firstly create the RBD image by specifying the pool where you’d like to create the image, along with the size of the image: Map the created RBD image to a…
Useful Ceph commands
How to bootstrap a new Ceph cluster How to ZAP an OSD with Ceph Orch How to add an OSD to the Ceph cluster How to remove an OSD from…