jfeilbach

# Configuring DNS-over-TLS on macOS
# Worked on macOS 10.13.4
brew -v update
brew -v doctor
# Next two commands are optional
sudo chown -R $(whoami) $(brew --prefix)/*
echo 'export PATH="/usr/local/sbin:$PATH"' >> ~/.bash_profile
# Install DNS client
brew install knot-resolver
# Should be installed to something like: /usr/local/Cellar/knot-resolver/2.3.0/sbin/kresd

jfeilbach

Validating a broken DNSSEC domain:
trying to resolve a domain that has DNSSEC issues should only return a SERVFAIL returncode without any DNS data:
~  dig www.dnssec-failed.org              

; <<>> DiG 9.7.2-P2 <<>> www.dnssec-failed.org
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 17692
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 0

jfeilbach

#!/bin/bash
# Borrowed from https://gist.github.com/Adadov/e352c05cf2f90031e5b9b623509a02da

GNU='/usr/local/bin/gsed'

if [ "$(uname)" == "Darwin" ]; then
    echo "macOS detected. Using GNU sed instead of built-in."
        if [[ -f "$GNU" ]]; then
            echo "GNU sed found at $GNU."
	    SED=${GNU}

jfeilbach

#!/bin/bash

START='0'
END='137'

for i in `seq $START $END`
    do echo file "'${i}.ts'" >> input.txt
done
# ffmpeg concat
/usr/local/bin/ffmpeg -f concat -i input.file  -c copy output.ts

jfeilbach

$ sudo pmset -g live
System-wide power settings:
 SleepDisabled		0
Currently in use:
 standby              1
 Sleep On Power Button 1
 womp                 1
 autorestart          0
 hibernatefile        /var/vm/sleepimage
 powernap             1

jfeilbach

rsync -P -avz user@host:/onefolder otherfolder/ | python $basename.py

import progressbar
import sys

def read_stdin():
	line = ''
	while sys.stdin:
		try:
			c = sys.stdin.read(1)

jfeilbach

The Publish production Tomcat app servers have crashed. Please restart the app servers by running ' service tcat restart'. If OOM killer has been running reboot the hosts by running 'sudo shutdown -r now'. You can check by running. 'dmesg | egrep -i 'killed process''.

-- The hostnames are l14270 and l14271.
-- SSH alias is publish.app.prod[1,2]

jfeilbach

#!/bin/bash

services=$(networksetup -listnetworkserviceorder | grep 'Hardware Port')

while read line; do
    sname=$(echo $line | awk -F  "(, )|(: )|[)]" '{print $2}')
    sdev=$(echo $line | awk -F  "(, )|(: )|[)]" '{print $4}')
    #echo "Current service: $sname, $sdev, $currentservice"
    if [ -n "$sdev" ]; then
        ifout="$(ifconfig $sdev 2>/dev/null)"

jfeilbach

#!/bin/sh

clear
sExternalMACALService="http://dns.kittell.net/macaltext.php?address="

# List all Network ports
NetworkPorts=$(ifconfig -uv | grep '^[a-z0-9]' | awk -F : '{print $1}')
#echo $NetworkPorts

# Function to convert IP Subnet Mask to CIDR

jfeilbach

[Unit]
Description=Transmission BitTorrent Daemon
After=network.target

[Service]
Environment=TRANSMISSION_HOME=/home/jason/.config/transmission-daemon/
User=jason
Type=notify
ExecStart=/usr/bin/transmission-daemon -f --log-debug --logfile /var/log/transmission/transmission.log -g /home/jason/.config/transmission-daemon/
ExecStop=/bin/kill -s STOP $MAINPID