Using the YL-100 Soil Moisture Sensor

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You can find a cheap Chinese soil moisture sensor labeled YL-100. But it’s hard to find working instructions on how to use it. This article intends to fill this gap.

Linux with old 32-bit hardware

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Sometimes it may be necessary to use old computers. Linux operating systems are perfect for this task. There are a lot of articles and recommendations on the Internet for selecting software and specific distributions for this task. But there is a key problem: recently all browsers (and some other programs) have ceased to support old processors (most 32-bit).

Restore wi-fi after suspend in Ubuntu

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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.

Zerocash 1.0 user guide

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Zerocash is a new protocol that provides a privacy-preserving version of Bitcoin. Zcash is currently only available for Linux.

Squid ­ An example of a simple proxy­server configuration

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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.