ipbastola

Safest way to clean up boot partition - Ubuntu 14.04LTS-x64, Ubuntu 16.04LTS-x64

Reference

Case I: if /boot is not 100% full and apt is working

1. Check the current kernel version

$ uname -r 

miguelmota

i3 Window Manager Cheat Sheet

$mod refers to the modifier key (window/command or alt by default depending on config)

General

• startx i3 start i3 from command line
• $mod+<Enter> open a terminal
• $mod+d open dmenu (text based program launcher)
• $mod+r resize mode ( or to leave resize mode)
• $mod+shift+e exit i3

vachanda

server {
  listen *:80;
  server_name www.icinga2.com;

  root /usr/share/icingaweb2/public; #Path of icinga2 web directory
  index index.php;
  access_log /var/log/nginx/access.log; 
  error_log /var/log/nginx/error.log;

  location = /favicon.ico {

geofffranks

#BOSH

• Inbound to tcp/25555 From internal
• Inbound to tcp/25250 From bosh-agent (blobstore)
• Inbound to tcp/25777 from bosh-agent (registry)
• Inbound to tcp/6868 From jumpbox, concourse (allow jumpboxes + concourse to bosh create-env + talk to the agent on directors
• Inbound to tcp/4222 From bosh-agent

#BOSH-Agent

• Inbound to tcp/6868 From BOSH
• Inbound to tcp/22 From internal

cleverca22

[clever@amd-nixos:~/apps/nixpkgs]$ git remote -v
channels        [email protected]:NixOS/nixpkgs-channels.git (fetch)
channels        [email protected]:NixOS/nixpkgs-channels.git (push)
origin  [email protected]:NixOS/nixpkgs.git (fetch)
origin  [email protected]:NixOS/nixpkgs.git (push)
[clever@amd-nixos:~/apps/nixpkgs]$ git fetch channels
   8512747..adfcc2d  nixos-unstable -> channels/nixos-unstable
[clever@amd-nixos:~/apps/nixpkgs]$ git checkout channels/nixos-unstable
M       nixos/lib/make-squashfs.nix
M       pkgs/top-level/platforms.nix

mrkara

1. Install pip sudo apt-get install python-pip
2. Install powerline sudo pip install powerline-status
3. Install fonts sudo apt-get install fonts-powerline
4. Add these lines to respective files:

.vimrc > set rtp+=/usr/local/lib/python2.7/dist-packages/powerline/bindings/vim/

mamashin

tcpdump -i eth0 -A -s 10240 'tcp port 80 and (((ip[2:2] - ((ip[0]&0xf)<<2)) - ((tcp[12]&0xf0)>>2)) != 0)' | egrep --line-buffered "^........(GET |HTTP\/|POST |HEAD )|^[A-Za-z0-9-]+: " | sed -r 's/^........(GET |HTTP\/|POST |HEAD )/\n\1/g'

amboutwe

<?php
/********* DO NOT COPY THE PARTS ABOVE THIS LINE *********/
/* Remove Yoast SEO Title From All Pages
 * Credit: Yoast Team
 * Last Tested: Jun 17 2020 using Yoast SEO 14.3 on WordPress 5.4.2
 */
 
add_filter( 'wpseo_title', '__return_false' );

coolswitcher

[Unit]
Description=memcached daemon for %i
After=network.target

[Service]
ExecStart=/usr/share/memcached/scripts/systemd-memcached-wrapper /etc/memcached_%i.conf

[Install]
WantedBy=multi-user.target

voluntas

### KERNEL TUNING ###

# Increase size of file handles and inode cache
fs.file-max = 2097152

# Do less swapping
vm.swappiness = 10
vm.dirty_ratio = 60
vm.dirty_background_ratio = 2