c. Create DCV Session

#!/bin/bash
#SBATCH -p dcv
#SBATCH -t 12:00:00
#SBATCH -J desktop
#SBATCH -o "%x-%j.out"

# magic command to disable lock screen
dbus-launch gsettings set org.gnome.desktop.session idle-delay 0 > /dev/null
# Set a password
password=$(openssl rand -base64 32)
echo $password | sudo passwd ec2-user --stdin > /dev/null
# start DCV server and create session
sudo systemctl start dcvserver
dcv create-session $SLURM_JOBID

ip=$(curl -s http://169.254.169.254/latest/meta-data/public-ipv4)
printf "\e[32mClick the following URL to connect:\e[0m"
printf "\n=> \e[34mhttps://$ip:8443?username=ec2-user&password=$password\e[0m\n"

while true; do
   sleep 1
done;

sbatch desktop.sbatch # note the job id