viegelinsch

You have something like "[WARNING] Could not draw graph "/var/lib/munin/cgi-tmp/munin-cgi-graph/" in your /var/log/munin/munin-cgi-graph.log ???

Check the directory permissions!

ls -l /var/lib/munin/cgi-tmp/

shows something like

drwxr-xr-x 3 munin www-data 4,0K Mär 29  2013 munin-cgi-graph/

viegelinsch

• Split vertically: Ctrl-s %
• Split horizontally: Ctrl-s \
• Switch between splits: Ctrl-s tab | Ctrl-s o | Ctrl-s [left | right | up | down]
• Swap splits: Ctrl-s Ctrl-o
• Resize: ???

some from https://gist.github.com/shuvalov-anton/897301cb850814a97e3f#file-byobu-cheatsheet-md

• F2 Create a new window
• F3 Move to the previous window
• F4 Move to the next window

viegelinsch

#!/bin/sh
# file: /etc/network/if-up.d/add-ip-to-etc-issue
# source: "stolen" somewhere

if [ "$METHOD" = loopback ]; then
    exit 0
fi

# Only run from ifup.
if [ "$MODE" != start ]; then

viegelinsch

#!/bin/bash
#
# Notify of Homebrew updates via Notification Center on Mac OS X
#
# Author: Chris Streeter http://www.chrisstreeter.com
# Requires: terminal-notifier. Install with:
#   brew install terminal-notifier

TERM_APP='/Applications/Terminal.app'
BREW_EXEC='/usr/local/bin/brew'

viegelinsch

inspired by Teaching with open source presentation service Reveal.js

1. Create a git repository (eg. on github)
2. Clone it to your desktop _(via ssh)

git clone git@github.com:yourusername/newrepository.git

1. change into the new directory

cd newrepository/

viegelinsch

#!/bin/bash

JAILS=`fail2ban-client status | grep "Jail list" | sed -E 's/^[^:]+:[ \t]+//' | sed 's/,//g'`
for JAIL in $JAILS
do
  fail2ban-client status $JAIL
done

viegelinsch

delete arp cache on macOS

sudo arp -a -d

search for raspberry pi

arp -a | grep b8:27:eb