ThingsBoard Free IoT Platform
ThingsBoard is an open-source Internet of Things (IoT) platform designed for device management, data collection, processing, and visualization. It offers a scalable…
Linux
CentOS 7 yum update HTTP Error 404: Not found
If you’re still running CentOS 7 on your systems, you may have recently encountered errors when trying to run `yum update`. This…
Nano Editor
Nano is a simple and user-friendly command line text editor for Unix-like operating systems. It’s designed to be easy to use for…
How to Disable apt Ubuntu Pro Advertisement
On running “apt upgrade” command on Ubuntu 20.04 and newer, Ubuntu shows an advertisement about Ubuntu Pro subscription. To disable the Ubuntu…
nftables
To display the effect of rule set changes, use Flush rules To Open a port range (49152-65534) To save rule set to…
Set unlimited resources for a user in cloudlinux
To set unlimited resources for a user in cloudlinux, run the following command: Back to cloudlinux
Install MATE desktop with xrdp on Ubuntu Server
Login to ubuntu server using SSH and run the following command to install MATE desktop environment apt install ubuntu-mate-desktop Create a normal…
How to add physical volume and resize LVM
I have a LVM partition that uses 3 physical drives. I need to increase size of this LVM partition by adding a…
How to fix PCIe Bus Error: severity=Corrected, type=Physical Layer
On a Linux server running AlmaLinux 8, i get following error on /var/log/messages Oct 17 05:33:17 Alma-88-amd64-base kernel: pcieport 0000:00:01.1: AER: Corrected…
XFS quota not working RAID 1
On a cPanel server with RAID 1, the quota was disabled on the / file system even after it was enabled in…
How to run multiple memcached instances
I had copied a PrestaShop site to another domain. Both domains are on same server, using same Memcached server for caching. When…
userauth_pubkey: key type ssh-rsa not in PubkeyAcceptedAlgorithms
When login to an Ubuntu 22.04 server using FileZilla SFTP, got login failed error. Status: Connecting to 51.38.246.115:3333… Response: fzSftp started, protocol_version=9…