How to upgrade Proxmox Virtual Environment 5.4.x
I am using a Proxmox VE for a while. It is almost one month I start to use Proxmox VE 5.3-8. I noticed that Proxmox VE has newer version released. Now it is v5.4-4. I have not subscribe the license...
Category: L.A.M.P.
How to add watermark on the image through Ubuntu terminal
This how-to is tell you how to add a watermark on the image file. The image file is youtube.jpg, 1024×768. I would like to add a watermark to the youtube.jpg. The watermark is a small picture.
How to resize an image through the Ubuntu terminal
Now I have an image in the Ubuntu server. I need to resize it. The original image is youtube.jpg, size is 1024X768. https://images.g2soft.net/image/Ai8 Install FFmpeg
Hot to fix the problem on the new installation MariaDB
After the installation of MySQL server or MariaDB on Ubuntu, I would like to use phpMyAdmin or Adminer to access the MySQL server. But the first time the error comes like below. Access denied for user ‘root’@’localhost’ mysqli_real_connect(): (HY000/1698): Access...
How to enable the VM auto-boot in Proxmox VE
After the setup of my first Proxmox VE, I need to shutdown and startup your Proxmox hardware node. There are many reasons for this such as adding new hardware or to apply new kernel updates. Before shutting down the Host...
Another way to move Virtualbox VDI to Proxmox VE
There is another way to do the importing Virtualbox VDI to Proxmox VE 3.5-8. Similar to my previous post. Step 1, Copy the VDI into the Proxmox VE host No need to covert the VDI file to RAW format. Just...
Error when doing update on Proxmox VE
I got these errors when trying to run an update on my Proxmox VE 5.3-8 How to fix these errors?
SSL Certificate Checker
After installing the SSL certificate on the Nginx web server, you need to check if it is installed correctly. I installed the SSL certificate two months ago. The Sectigo ECC certificate. Now I change the certificate files. Previously, I put...
How to check the disk usage of your VPS
The df utility displays the disk space usage on all mounted filesystem. The -T option prints the filesystem type as well. By default, df measures the size in 1K blocks, which could be a little difficult for a desktop user...
How to take a webpage screenshot at terminal window
The scenario is to run the program inside of Ubuntu VPS. Input a URL the program will output the jpg file. The solution is to use wkhtmltoimage, which is a part of wkhtmtopdf. I used to use the old version...
Use GoAccess to Generate Report with Multiple Nginx Log Files
I have a VPS with Nginx as a web server and also a lot of web sites on it. It is on Digital Ocean. Here is the VPS basic information. SFO2 1GB Nanode Ubuntu Linux 18.04.2 Intel(R) Xeon(R) CPU E5-2650...
Renew the SSL Certificate for Yinfor.com
I just renewed the SSL certificate. The cheapest DV SSL certificate I found is from GoGetSSL.com. I paid by paypal. The price is so good. US$7.90 for two years. Comodo PositiveSSL. After I installed the certificate on my blog. I...
PHP Benchmark of php 7.1, php7.2, php7.3 and even php5.6
Here I run the PHP benchmark script on my Virtualbox guest OS Ubuntu 16.04. Every version of PHP I tested 7 times. So get rid of the highest one, and the lowest one. Get the average of the rest five...
How to pass the Real IP Address of client to Nginx Server
I use a Nginx as the reverse proxy. Here is the scenario. The original server is Server A. The reverse proxy is Server B. Web users are browser the website through Server B. The web log of Server A just...
How to use GeoIP database to block a country in Nginx
First I need to make sure my Nginx has the geoip module. Check it by entering the command below. My Nginx shown the results as below. I found –with-http_geoip_module=dynamic It is cool, I have the geoip module with my Nginx...