harmy harmy

harmy / gist:ca3574c8971cb9e44ec003ea783ac7af

Created December 11, 2019 08:14

create your own nonce on Unix with this simple command

head -c 12 /dev/urandom | base64

harmy / Amazon Linux

Last active March 17, 2020 03:03

Resize AWS EC2 Instance EBS volume

	#!/bin/bash

	# Specify the desired volume size in GiB as a command-line argument. If not specified, default to 20 GiB.
	SIZE=${1:-20}

	# Install the jq command-line JSON processor.
	sudo yum -y install jq

	# Get the ID of the envrionment host Amazon EC2 instance.
	INSTANCEID=$(curl http://169.254.169.254/latest/meta-data//instance-id)

harmy / add-swap.sh

Last active August 12, 2020 07:26

add swap to ubuntu server

	sudo dd if=/dev/zero of=/swap bs=1G count=16
	sudo chmod 0600 /swap
	sudo mkswap -f /swap
	sudo swapon /swap
	echo "sudo vim /etc/fstab"