SSH through an SSH blocking proxy
Most corporate networks have their outbound traffic go through a proxy server to prevent unauthorized access to external resources. It can happen that such proxy only allows HTTP and HTTPS traffic. As such, one cannot connect to an external host via SSH. One way to solve this problem is to use <a href="https://github.com/proxytunnel/proxytunnel" rel="noopener noreferrer nofollow">Proxytunnel</a>. This article follows <a href="https://egret.psychol.cam.ac.uk/techniques/firewall.html" rel="noopener noreferrer nofollow">this guide</a>.
Nextcloud Apache2 configuration
Here is an example configuration file to use Nextcloud with an Apache2 server in Ubuntu. Here, it is assumed that nextcloud install is located in <code>/var/www/</code>
Here are the steps to prepare a brand new hard drive and install a file system on it.
Using v-for or v-if on multiple elements
Items to which <code>v-if</code> or <code>v-for</code> apply can be grouped inside <code><template></code> tags. For example:
The ESP32 supports ov2640 cameras, which makes it an ideal platform for a DIY IP camera. For this purpose, I wrote a customized firmware for the ESP32 which provides the following features:
Mosquitto is an open source message broker that implements the MQTT protocol. It is lightweight and is suitable for use on all devices from low power single board computers to full servers.
connect-history-api-fallback ignore certain routes
For example, if the route /file needs to be handled by express and not the single page application:
Raspberry Pi based NAS
This is a simple Raspberry Pi based NAS. Tt features, as the name suggests, a Raspberry Pi as well as a 1TB 3.5'' HDD, interfaced with a USB to SATA converter.
Arduino 7-segment alarm clock
This is one of my earliest electronics project: An alarm clock built around an Arduino nano, a real-time clock (RTC) module and a 7-segment display.
I found a cheap 4 wheel drive chassis on eBay and decided to make a remote controlled robot out of it. Thus, I made a simple board with two H-bridge modules, an NRF24L01 wireless module and Arduino pro mini.