eliav-lavi

module FooWrapper
  def bar
    puts "this will happen before the real bar!"
    super
  end
end

class Foo
  prepend FooWrapper

zoilomora

How to disable systemd-resolved in Ubuntu

Stages

• Disable and stop the systemd-resolved service:

    sudo systemctl disable systemd-resolved.service
    sudo systemctl stop systemd-resolved
  

• Then put the following line in the [main] section of your /etc/NetworkManager/NetworkManager.conf:

tarnagas

#!/usr/bin/env sh

ssh -o UserKnownHostsFile=/dev/null \
    -o StrictHostKeyChecking=no \
    -o LogLevel=ERROR \
    $@

markusfisch

Preview Markdown files locally

Render some Markdown file to HTML and show it in your browser.

This is useful when you want to check a Markdown file before pushing it onto GitHub/GitLab/etc or if you want to simply print a nice looking Markdown file. Just print it from your browser.

The look is broadly similar to that on GitHub but stripped down to the bare minimum. It can also be changed easily. Just have a look at the

noraj

require 'etc'

TCP_STATES = { # /usr/src/linux/include/net/tcp_states.h
  '00': 'UNKNOWN',
  'FF': 'UNKNOWN',
  '01': 'ESTABLISHED',
  '02': 'SYN_SENT',
  '03': 'SYN_RECV',
  '04': 'FIN_WAIT1',
  '05': 'FIN_WAIT2',