Restore wi-fi after suspend in Ubuntu

On many laptop models with Ubuntu systems (Kubuntu, Lubuntu, Xubuntu etc.) the wireless network stops working after returning from sleep/standby mode. The problem is quite common and occurs in many versions of the system: 16.04, 14.04 and others. The article will describe a universal solution to this problem.

An example of a network running under a Linux­server at a web development office

In an office of a small and fast evolving web development studio located in Sochi our company has installed and configured a local server running under an open source software and securing all means necessary to host and test web sites at low hardware costs. For the web hosting management we decided upon a free and open source version of the Virtualmin dashboard.

VkCrypt ­ Encrypting the VK social net’s messenger

Let us introduce our friends that have recently implemented an approach to make chatting in the Vkontakte social net secure, by using the AES encrypting algorithm. This technology ensures that the correspondence is kept privately and remains unavailable to not only providers, but to the VK itself. The encryption is performed on the side of a web browser by a plug­in that is available for Mozilla Firefox and Google Chrome/Chromium. The plug­in’s open source code is provided by SourceForge.

Squid ­ An example of a simple proxy­server configuration

Squid is a powerful proxy­server having a flexible configuration. While there are plenty of graphical user interfaces available for his proxy­server adjustment, this article addresses its simplest configuration by using the command line of Debian/Ubuntu operating systems, with the statistics displayed. As a result, you will have the proxy­server running and being capable of managing and granting access to a multitude of users while monitoring the proxy’s activity.