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How to Install a Linux Virtual Machine on Windows with VirtualBox

Learn how to install VirtualBox on Windows and how to use it to install a Linux server as a guest virtual machine on your Windows machine. Also, see how to setup networking so the guest system has Internet access and the host has access to the guest.

Connect Remotely to MySQL / MariaDB

Learn how to configure MySQL / MariaDB database server to accept remote connections, how to configure the firewall to allow these connections and how to create a MySQL user that can connect remotely.

How to Install Pure-FTPd on Ubuntu

Pure-FTPd is a free FTP Server with a strong focus on software security.
This short tutorial shows how to install Pure-FTPd on Ubuntu 20.04, configure the firewall to allow FTP access and guide you to configure users.

Create a Self Signed Certificate with OpenSSL

Learn how to create a free self signed SSL certificate using OpenSSL and add it to your private Apache or nginx test server. Start testing with https instead of http, just like any website should work today.

How to Remove Unused CSS to Improve Page Speed

Learn how to identify and automatically remove unused CSS using a command line utility. Also, learn how to prevent loading (dequeue) entire CSS files and which files you should and should not modify in WordPress.

How to Synchronize Remote / Local Using LFTP

LFTP is a command-line program client for several file transfer protocols (FTP, FTPS, HTTP, HTTPS, etc.)
The article shows example scripts to sync files from Remote to Local and from Local to Remote using LFTP

How to Minify CSS and JS in Linux

Minification is the process of removing all unnecessary characters from the source code of interpreted programming languages or markup languages without changing the functionality. The reason to minify a file is to make its size smaller so the transmission over the Internet is faster. Let’s see how YUI Compressor and Minify perform.

How to Create cron Jobs – Schedule Tasks in Linux

cron is a Linux utility used to schedule repetitive jobs. cron jobs can be commands or scripts that need to be run on a regular basis at specific times (e.g. backup databases daily at 2 AM) or at specific moments (e.g. mount external drives at reboot).

Backup & Restore MySQL / MariaDB Databases with mysqldump

mysqldump generates logical backups of MySQL/MariaDB databases. A logical backup is a set of SQL statements that can be used to restore the data, such as CREATE DATABASE, CREATE TABLE and INSERT.