delete arp cache on macOS
sudo arp -a -d
search for raspberry pi
arp -a | grep b8:27:eb
delete arp cache on macOS
sudo arp -a -d
search for raspberry pi
arp -a | grep b8:27:eb
#!/bin/bash | |
JAILS=`fail2ban-client status | grep "Jail list" | sed -E 's/^[^:]+:[ \t]+//' | sed 's/,//g'` | |
for JAIL in $JAILS | |
do | |
fail2ban-client status $JAIL | |
done |
inspired by Teaching with open source presentation service Reveal.js
git clone [email protected]:yourusername/newrepository.git
cd newrepository/
#!/bin/bash | |
# | |
# Notify of Homebrew updates via Notification Center on Mac OS X | |
# | |
# Author: Chris Streeter http://www.chrisstreeter.com | |
# Requires: terminal-notifier. Install with: | |
# brew install terminal-notifier | |
TERM_APP='/Applications/Terminal.app' | |
BREW_EXEC='/usr/local/bin/brew' |
#!/bin/sh | |
# file: /etc/network/if-up.d/add-ip-to-etc-issue | |
# source: "stolen" somewhere | |
if [ "$METHOD" = loopback ]; then | |
exit 0 | |
fi | |
# Only run from ifup. | |
if [ "$MODE" != start ]; then |
Ctrl-s %
Ctrl-s \
Ctrl-s tab | Ctrl-s o | Ctrl-s [left | right | up | down]
Ctrl-s Ctrl-o
???
some from https://gist.github.com/shuvalov-anton/897301cb850814a97e3f#file-byobu-cheatsheet-md
F2
Create a new windowF3
Move to the previous windowF4
Move to the next windowYou 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/
--- /etc/kbd/config 2015-02-21 16:24:59.653062112 +0100 | |
+++ /etc/kbd/config.new 2015-02-21 16:24:28.554492138 +0100 | |
@@ -38,7 +38,8 @@ | |
# screen blanking timeout. monitor remains on, but the screen is cleared to | |
# range: 0-60 min (0==never) kernels I've looked at default to 10 minutes. | |
# (see linux/drivers/char/console.c) | |
-BLANK_TIME=30 | |
+#BLANK_TIME=30 | |
+BLANK_TIME=0 | |
!#/bin/bash | |
su - munin --shell=/bin/bash | |
/usr/share/munin/munin-update | |
exit |
## Installation of https://github.com/perception101/pisense | |
sudo su - | |
mkdir /opt/munin-plugins | |
wget https://raw.githubusercontent.com/perception101/pisense/master/pisense_ -O /opt/munin-plugins/pisense_ | |
chmod 0755 /opt/munin-plugins/pisense_ | |
ln -s /usr/share/munin/plugins/pisense_ /etc/munin/plugins/pisense_clock |