dblokhin

ANSI Escape Sequences

Standard escape codes are prefixed with Escape:

• Ctrl-Key: ^[
• Octal: \033
• Unicode: \u001b
• Hexadecimal: \x1b
• Decimal: 27

dblokhin

Chrome OS - Crostini fails to start with vmshell error 20

This I found out to be an sshd problem. Somehow the systemd service cros-sftp of the container was not working.
All the below steps are from crosh terminal.

Start the container from crosh

From crosh terminal (Alt+Ctrl+T):

vmc start termina

dblokhin

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

dblokhin

var Event = function() {

    var self = this;

    self.queue = {};
    self.fired = [];

    return {

        fire: function(event) {

dblokhin

• create systemd units location dir: ~/.config/systemd/user
• create systemd service there:

ssh-proxy.service

Description=Setup a secure ssh proxy
#Requires=network.target     # network.target doesnt exist
#After=network.target 

[Service]

dblokhin

ClickHouse administration tips.


CPU

SSE 4.2 instruction set support is required. Most recent (since 2008) CPUs have this instruction set.

When choosing between CPU with more cores and slightly less frequency and CPU with less cores and more frequency, choose first.
For example, 16 cores with 2600 MHz is better than 8 cores with 3600 MHz.