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todgru /
Last active Aug 21, 2019
Start up tmux with custom windows, panes and applications running
# Setup a work space called `work` with two windows
# first window has 3 panes.
# The first pane set at 65%, split horizontally, set to api root and running vim
# pane 2 is split at 25% and running redis-server
# pane 3 is set to api root and bash prompt.
# note: `api` aliased to `cd ~/path/to/work`
todgru /
Last active Aug 8, 2019
How to set-up a SSH tunnel for AWS RDS

SSH Tunnel

Our db is hosted on Amazon. Our web server can connect to the db. Connections to the db are not allowed outside of the web server.

Run ssh tunnel locally:

This creates a tunnel from my local machine to the web server:

ssh -N -L
todgru /
Last active Jul 25, 2019
git rebase interactive remove commit

#git rebase -i <sha>

List of commits from git log


Lets say you want to remove commit D from the commits.

git rebase -i E
View iterator.js
const arr = [1, 2, 3, 4, 5, 6];
const iter = arr[Symbol.iterator]();
const foo = i => {
const v =;
if (v.done) return "done!";
console.log("next!", v.value);
return foo(i);
todgru / rpi3-bt-keyboard.txt
Created Jun 30, 2019 — forked from tekemperor/rpi3-bt-keyboard.txt
Connect Apple Wireless Keyboard to Raspberry Pi 3 in Raspbian
View rpi3-bt-keyboard.txt
sudo service bluetooth status # Verify bluetooth is active.
sudo bluetoothctl # Lauch bluetooth subshell.
agent on # [No idea what this does.]
default-agent # [No idea what this does.]
scan on # Displays a list of available devices.
pair XX:XX:XX:XX:XX:XX # This prepares a potential connection, the X's represent your device ID
# A "PIN code" will be displayed, type it on the keyboard and press "enter".
trust XX:XX:XX:XX:XX:XX # Adds device to trusted devices, this survives reboot.
connect XX:XX:XX:XX:XX:XX # Connect to the device now.
exit # Return to previous shell.
todgru /
Last active Jun 19, 2019
enable ssh on raspberry pi raspian fresh install etcher OS X Mac network cable direct connect
  • after image is flashed using Etcher, cd /Volumes/boot.
  • Then add ssh file to root. touch ssh.
  • connect network cable between os x computer and raspberry pi. boot the raspberry pi.
  • wait a minute.
  • then ssh pi@raspberrypi.local

That's it. No need for a screen, keyboard or any other device to get into the pi. :)

View gist:4ce29f55ea39be537b8eb69ae1792449
meteor shower intensity
View gist:5d0219bdd81ab3923a82f1b9e96e5254
good link to running ntp time server on rpi with gps
todgru /
Last active May 29, 2019
installing ax25 on debian 9 raspberry pi
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