Enable "Developer mode" in Settings -> Developer tools to install the Terminal app.

Open the terminal app and type the following:

devel-su
pkcon refresh
pkcon install nemo-qml-plugin-calendar-qt5-tools
exit

Download the schedule and import it:

curl -o fosdem.ics https://fosdem.org/2019/schedule/ical
devel-su -p icalconverter import fosdem.ics …

In order to make this possible you need the program youtube-dl. In the beginning this program was only made for Youtube, hence the name. But today it has grown to support hundreds of sites, and Twitch is one of them.

There are several ways to install youtube-dl:

• From your package …

Create the following directory if it doesn't exist:

mkdir -p /etc/systemd/system/getty@tty1.service.d

Create the file /etc/systemd/system/getty@tty1.service.d/autologin.conf and put the following into it:

[Service]
ExecStart=
ExecStart=-/sbin/getty --noclear --autologin root 38400 %I

Reload systemd:

systemctl daemon-reload

Then …

Ever thought sites like ifconfig.me and similar are too slow from the command line? Here I'll show you how easy it is to setup something similar to those services - except it is extremely fast because of Varnish.

The receiver part:

sub vcl_recv {
  if (req.http.host == "ipv4.is") {
    return …

Forward PHP-application's MySQL-connections towards localhost to a remote server, edit ~/.ssh/config:

Host my-remote-database-server
    LocalForward /var/run/mysqld/mysqld.sock 127.0.0.1:3306

Do the same, with HAProxy:

global
    log /dev/log local0 notice
    user haproxy
    group haproxy
    stats socket /var/run/haproxy.stat level admin

defaults
    log …

This is useful if you either lack a complete e-mail infrastructure for your server, or if you don't need a full-fledged e-mail server setup with domain names and all that.

I personally use it to get the information as fast as possible, rather than wait for the next polling of …

This is what Wikipedia says about it

Etherpad is an open source, web-based collaborative real-time editor, allowing authors to simultaneously edit a text document, and see all of the participants' edits in real-time, with the ability to display each author's text in their own color.

The good things:

• Self-hosted
• Open …

First we need a way to send an e-mail. This package provides the "mail" command.

apt-get install mailutils

As root, create the file /etc/ssh/sshrc with the following content:

exec 1>&2
env | mail -s "LOGIN $USER@$(hostname) from ${SSH_CONNECTION%% *}" root

From now on the user "root" will receive …

The receiver part:

sub vcl_recv {
  # Wordpress - cache everything except...
  if (!(req.url ~ "wp-admin|xmlrpc\.php|wp-(comments-post|login|activate|mail)\.php|&preview=true")) {
    unset req.http.cookie;
    return (hash);
  }

  # Happens before we check if we have this in cache already.
  # 
  # Typically you clean up the request here, removing cookies you …

First we install the required packages. As root do:

apt-get install unattended-upgrades

Create the file: /etc/apt/apt.conf.d/20auto-upgrades and add the following content to it:

APT::Periodic::Update-Package-Lists "1";
APT::Periodic::Unattended-Upgrade "1";

Replace the file /etc/apt/apt.conf.d/50unattended-upgrades and add the following to …