Tech geek. Life geek.
One night, the router is stopping working. It is powered by OPNsense. So, how can I do? First, boot it to single-user mode. Reboot, of course, the device is rebooting repeatedly. Enter boot Menu, select the second option. Access shell....
I have a VM that hosts a few websites there. Today, I ran the mysqltuner.pl script to check the performance and see if there is any recommondation. I know I have a database with over 900M data. There are 67...
Today, I upgraded my Gitlab CE install OS from Ubuntu 22.04 to 24.04 using the distro upgrade. Before upgrading, I made a full backup of the VM. When the OS upgraded to Ubuntu 24.04, I added the two repositions back...
Here I just upgraded my NAS from Ubuntu 22.04 to 24.04. I check the services running on the NAS. I found Transmission Daemon is not active. I reboot the Ubuntu server. Transmission Web UI is live for a while, then...
First, install the program, ncdu, to the Ubuntu VM Then, run the command ncdu in the terminal window. The program will scan the files and folders under the current prompt directory. The old school command window shows the space usage...
I created a new VPS on DigitalOcean yesterday. It is a basic shared CPU, premium AMD with NVMe SSD, 1vCPU, 1GB memory, 25GB NVMe storage, and 1TB transfer—data center in San Francisco. The monthly cost of this VPS is $7....
Here is a warning I saw when I was using Proxmox VE. It is about the thin volume size that does not match. Look, the vm-108-disk-0 size maps 133GB but the size is only 42 GB. I googled it and...
I wrote a post about how to expand the VM disk in Proxmox VE last year. Now I want to show you how to shrink the disk or reduce the size of the disk of VM in Proxmox VE. Background...
It is a small trick to show you how to upgrade Ubuntu 22.04 LTS to Ubuntu 24.04 LTS server. If you are using Ubuntu 23.10, it is quite simple. Run the commands below to upgrade your Ubuntu 23.10. Then it...
Hay, if it is a regular upgrade of the Minecraft Java server edition, I won’t write a post here. Because it is quite straightforward. Say a normal upgrade. ssh to the server with Putty. sudo /opt/minecraft/tools/backup.sh sudo service minecraft stop...
I have an installation of the Gitlab CE version on the virtual machine. It is running on the Host Proxmox VE. Normally I do the update/upgrade through the Webmin interface. I knew that Gitlab has very active development. They may...
Just upgrade all my VPS Webmin installations. From 2.105 to v2.110. Look at the latest release notes. Add an API to check if the system is running or approaching its end of life (EOL) Add support for systemd-timesyncd...
The newly added user’s password is not saved in Ubuntu 22.04lts. Only the password hash is stored in /etc/shadow. Here is an example: The string is separated by colon symbols. The user name is: userabc The whole password part is:...
As I posted before, I have been using PHP-FPM for many years. I added a PHP-FPM status page recently. Now I am using PHP8.2, so I may use PHP-FPM or PHP8.2-FPM to mention it. About the PHP-FPM, I am always...
I just noticed how to set up the DNS record for the Email server on Cloudflare DNS. It should be DNS only. I have my very own Email server, with IP address, a.b.c.d. It is powered by iRedmail. In Cloudflare...