Bobspadger

Steps to create the bootable USB

1. Create folder

mkdir autoinstall-ISO
cd autoinstall-ISO

2. Download ubuntu-autoinstall-generator

wget https://raw.githubusercontent.com/covertsh/ubuntu-autoinstall-generator/main/ubuntu-autoinstall-generator.sh

Bobspadger

ALL
      All messages in the mailbox; the default initial key for
	ANDing.

ANSWERED
	Messages with the \Answered flag set.

BCC 
	Messages that contain the specified string in the envelope
	structure's BCC field.

Bobspadger

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 

Bobspadger

#!/bin/bash

# Determine OS version
osvers=$(sw_vers -productVersion | awk -F. '{print $2}')
sw_vers=$(sw_vers -productVersion)

# Determine OS build number

sw_build=$(sw_vers -buildVersion)

Bobspadger

#! /bin/sh
### BEGIN INIT INFO
# Provides:          datadog-agent
# Required-Start:    $remote_fs $syslog
# Required-Stop:     $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: Launch datadog agent
# Description:       
### END INIT INFO