Author: David Yin

Traffic Reports

It is already twelve days past. I started a new campaign since March 20. Here is an update of it. From 2019.03.20 to 2019.3.30 Compared with the previous year.   Users: 39.76% increase New Users: 39.46% increase Sessions: 45.73% increase Pageviews: 77.61% increase Bounce Rate: 8.54% decrease. These changes are in a good direction. I

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 denied for user ‘root’@’localhost’   Here is the solution to make the root connect to

Move Virtualbox VDI to Proxmox VE System

I have some Virtualbox virtual machine on my desktop. Now I have Proxmox VE 5.3-8 installed on a separate machine. So I would like to move the VM to Proxmox. Let me list the existing installation. My Desktop, Windows 10 Pro version 1809. Virtualbox 6.0.4 r128413 Guest VM inside of Virtualbox is Ubuntu 18.04 with

Upgrade of my Desktop PC

It is time to upgrade my desktop. The six years old computer. CPU:  AMD Ryzen 5 2400G CPU has 4 Cores, 8 Threads. GPU has 11 Cores Base clock: 3.6Ghz, Max Boost Clock: 3.9GHz Cache: L1 384KB, L2 2MB, L3 4MB Unlocked: Yes CMOS: 14nm FinFET Package: AM4 PCIe: PCIe 3.0×8 Thermal Solution: Wraith Stealth

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 the site SSL certificate file content and the SSL-bundle file altogether. The final SSL certificate