How to Fix “Authentication is required to create a color profile” on Ubuntu & Other Polkit-Based Distros
Learn how to remove those annoying color profile prompts on Ubuntu, Debian, Kali, and other Polkit-based Linux distros. Create a .pkla override, fix Polkit errors, and enjoy hassle-free remote desktop sessions—no more color-manager authentication popups.
Fix “Windows Cannot Access \hostname” on Windows 10/11 for Public Samba Shares
Learn how to re-enable guest access for Linux Samba shares in Windows 10 or 11. This guide covers registry tweaks, group policy settings, and the pros and cons of allowing insecure connections.
How to Run Multiple PHP Versions with Apache on Ubuntu 22.04 / 20.04 / 18.04
How to run multiple versions of PHP (PHP 5, PHP 7 and PHP 8) at the same time on Apache using Virtual Hosts and .htaccess. Tested on Ubuntu 22.04, 20.04 and 18.04.
How to Install VNC on Ubuntu 20.04, 18.04 & 16.04 (Windows, Linux and Mac)
Guide on how to install and configure VNC to remotely control Ubuntu 20.04, 18.04 & 16.04 from Windows, Mac or Linux.
How to Reset the MySQL Root Password on Ubuntu
How-to guide on resetting your root password for MySQL 8, MySQL 5.7 and MySQL 5.6 on Ubuntu via the Linux command line.
Disable Sudo Password Prompt or Extend Timeout in Linux
Learn how to disable, extend, or permanently remove the sudo password prompt in Linux while balancing convenience and security. Follow these steps to keep your system safe and efficient.
How To Create or Resize Swap Space on Ubuntu 22.04 / 20.04 / 18.04
Some critical services such as MySQL can crash if your server runs out of physical memory. In this guide we will configure swap space on Ubuntu 22.04 / 20.04 / 18.04.
Let’s Encrypt Error: “Client with the currently selected authenticator does not support any combination of challenges that will satisfy the CA.”
Installing phpMyAdmin for Nginx on Ubuntu 18.04 / 19.10
How-to guide on setting up phpMyAdmin for Nginx on Ubuntu 18.04 / 19.10 and implementing best security practises. DigitalOcean Droplet support.
Installing an FTP server (vsftpd) on Ubuntu 18.04 / 18.10 / 19.04 / 19.10
How-to guide on setting up a secure FTP server for Ubuntu 18.04 / 18.10 / 19.04 / 19.10 using vsftpd. Allow uploads to /var/www/html and the home folder. Tested on a DigitalOcean Droplet.