How to solve Ubuntu 18.04 CLI error: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable)
Learn how to solve the ubuntu 18.04 terminal error: Could not get lock /var/lib/dpkg/lock-frontend - open (11: Resource temporarily unavailable)
How to run a stress test to your apache server in Ubuntu 18.04
Learn how to execute a stress test to some apache based server in Ubuntu 18.04
How to report exceptions via email automatically in Symfony 1.4 using sfErrorNotifierPlugin
Learn how to report automatically errors of your Symfony 1.4 application via email.
How to route all the machine Traffic Through TOR in Kali Linux
Learn how to route all your traffic through the TOR network in Kali Linux.
Common Java Learning Mistakes and How to Resolve Them
Discover the mistakes that you are making when trying to learn Java from scratch.
How to restrict the execution of a PHP script to the command line (detect if running PHP from the CLI)
Learn how to determine wheter you are running PHP from the command line or from a web server.
How to protect your Apache server from DoS attacks (denial-of-service) using the quality of service (QoS) module on Ubuntu 16.04
Learn how to install QoS in your Ubuntu 16.04 server to protect it from Slow HTTP and DoS attacks.
How to perform a DoS attack "Slow HTTP" with SlowHTTPTest (test your server Slowloris protection) in Kali Linux
Learn how to simulate a Slow HTTP attack to your own server to verify wheter if it's protected against Slow HTTP attacks like Slowloris.
How to render a XML file/string into a TreeView component in Winforms with C#
Learn how to render a XML file/string into a TreeView widget in your Winforms application.
How to scan for web server vulnerabilities with Nikto2 in Kali Linux
Learn how to use the Nikto v2 CLI tool to scan for known vulnerabilities in servers in Kali Linux.
How to solve "Could not connect to the server" Mac App Store Error in a VirtualBox MacOS Mojave 10.14.3
Learn how to solve the issue that prevents from loging into the AppStore in a MacOS Mojave Virtual Machine.
How to download Ubuntu releases ISO files faster (accelerate download)
Discover how you can download the ISO releases of the Ubuntu operative system (desktop and server) faster using the P2P protocol.
How to retrieve the human name of a color by its hex code in JavaScript
Learn how to retrieve a readable name of an hexadecimal color code with JavaScript.