This article will tell you how to install the PostgreSQL database server and PgAdmin ( PostgreSQL GUI Manager ) On Ubuntu Linux.
This article will tell you how to change the terminal styles including terminal background color, font size for Mac, Linux, and Windows.
Dpkg is the abbreviation of the Debian package. It is a suite management system specially developed for the “Debian” operating system, which is used for software installation, update, and removal. All Linux distributions from “Debian” use dpkg, such as “Ubuntu”.
This article will tell you how to open the task manager on Mac, Linux, Windows. It will also tell you how to use the task manager to manage program processes as well.
Recently, I run the command $ sudo apt update in my Ubuntu virtual machine, it runs successfully. But after that, when I run the command $ sudo apt upgrade, it show me the warning message Waiting for cache lock: Could not get lock /var/lib/dpkg/lock-frontend. It is held by process 12827 (unattended-upgr). This article will tell …
When I run the command sudo apt-get install vnc4server in ubuntu 20’s terminal, I get the error message E: Package ‘vnc4server’ has no installation candidate. This article will tell you how to fix it.
GCC is the abbreviation of GNU Compiler Collection. It contains a set of compilers that can compile C, C++, Objective-C, etc language-coded programs. This article will tell you how to install the latest version of GCC on Linux OS, especially Ubuntu.
My website runs slowly these days. I use WHM —> Server Status —> Daily Process Log to diagnose the issue and find there are a lot of processes that cost the most CPU percentage to run command php-fpm: pool. This article will tell you how to fix the php-fpm: pool command cost high CPU usage issue.
In this article I will tell you where Nginx server is installed and how to find out it’s configuration file after installation. It is very useful when you jump into an existing Nginx server and just want to find and modify it’s configuration files.
After you install PHP or LAMP on a Linux server ( or XAMP on a Windows Server ), if you want to run command php in a terminal to execute a .php script file, you should first find the PHP install path and add the php executable file path in system environment variable PATH‘s value. …