Manage(start/stop/status) vps on DigitalOcean. You could install shadowsocks automatically when creating a new vps.

vps

#!/bin/bash

set -e
set -u
#set -x

SSH_KEY="05:8b:8f:f5:09:35:ae:61:a9:3b:21:ea:1c:36:bf:0c"
USER_DATA_FILE="$(dirname $0)/vps.userdata"

### sub functions
start() {
	current_droplets_num=$(doctl compute droplet list | wc -l)
	if [ $current_droplets_num -gt 1 ]; then
		echo "You have already had a droplet now!!!"
		doctl compute droplet list
		exit 0
	fi
	echo "=> Create droplet"
	doctl compute droplet create vps --size 512mb --image ubuntu-16-10-x64 --region sgp1 --ssh-keys $SSH_KEY --user-data-file $USER_DATA_FILE
}

stop() {
	droplets=$(doctl compute droplet list | grep -v '^ID' | awk '{print $1}')
	for droplet in "$droplets"; do
	    echo "=> Delete droplet $droplet"
		doctl compute droplet delete -f $droplet
	done
}

status() {
	doctl compute droplet list
}

usage() {
	echo "Usage: $0 start|stop|status"
}

### main start
if [ $# != 1 ]; then
	usage
	exit 0
fi

ACTION=$1
case "$ACTION" in
	"start")
		start
		;;
	"stop")
		stop
		;;
	"status")
		status
		;;
	*)
		usage
		exit 0
		;;
esac