Linux

Increase wheel speed on Linux using imwheel. This will make scrolling easier, while use Chromium, Firefox, LibreOffice, viewing pdf files in Evince.

1. Install imwheel

apt install imwheel

2. Check the applications names

Check the names of applications that should be affected by imwheel settings. Run in terminal:

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:

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