Programming

Extra mouse buttons on the side or also click on the wheel can be used for copy and paste or any other actions. To make extra buttons work as you need on Linux use next steps from ArchLinux wiki [1].

1. Install xbindkeys and xvkbd

xbindkeys allows to bind mouse buttons to any action like open terminal, open browser, copy to clipboard, paste.

xvkbd allows to send to system keyboard pressing like Ctrl + C, F5 and so on.

apt install xbindkeys xvkbd

Which program works faster? Does Rust compiler do things extra fast? Here are our simplest programs on Rust, C, C++, Bash, Python3. They were run 100.000 times and timings are measured.

Listings

Listing HelloWorld on Rust, main.rs

fn main() {
    println!("Hello, World!");
}

Listing HelloWorld on C, main.c

#include <stdio.h>
int main() {
    printf("Hello, World!\n");
    return 0;
}

When update Drupal with composer on VPS with RAM less than 2Gb you may catch errors:

Sometimes my Devuan unexpectedly close the session, because of some JavaScripts on websites. After re-login I cannot connect to remote git repository with errors:

$ ssh remote_server
$ git pull
Error reading response length from authentication socket.
Permission denied (publickey).
fatal: The remote end hung up unexpectedly

Some people advise to start ssh-agent and load keys to ssh-agent, but that does not work in my case:

ProtonVPN allows to use Free VPN servers in Netherlands, USA, Japan. You may use official application for Linux, Android. But for fine configuring and connect just in one click need to connect with own script using OpenVPN configs by ProtonVPN. Here it is my own bash script for connect to the best protonvpn server in one click.

0. Prerequisits

Intall tor, torsocks, openvpn, resolvconf, jq

apt-get install tor torsocks openvpn resolvconf jq

gitgud.io

Opensource hosting deployed with Gitlab.com code. Free and very convenient. Create own page on server gitgud.io.

Collaborate with colleagues or community, receive commits, give access to other users and manage permissions to projects, branches, action over them.

rocketgit.com

Get your space and put code to rocketgit. It has too simple web dashboard for create and overview your projects. Push your code and share with others.

gogs.io

Become self-hosted git owner with simple system Gogs.

I use Protovpn and need to choose the fastest free server. All the servers are listed in json file: https://api.protonmail.ch/vpn/logicals Let's try linux jq. First install curl if you have no (apt-get install curl) and download json file: curl https://api.protonmail.ch/vpn/logicals > __tmp_protonvpn

Having systems that need a monitoring or alert about errors and fails you may use Telegram Bot. Next examples of using Telegram Bot help to watch the status of a long process, also to send lines from log, and even more, it is possible to send printscreens or also convert printscreens to text and then send it to your chat in Telegram.

This way you can monitor any process in your system with smartphone in any place.