Google Cloud Minecraft server setup

mc-setup.sh

#!/bin/bash
###########################################################
# Google Cloud Minecraft server setup
# Written by iCrazyBlaze
# Last edited 07/10/2019
###########################################################

path=/home/minecraft/server
backuphours=6

echo ""
echo "Please enter your bucket ID: "
read bucket
echo ""

sudo mkdir -p $path

# Mount for Google Cloud
sudo mkfs.ext4 -F -E lazy_itable_init=0,lazy_journal_init=0,discard /dev/disk/by-id/google-minecraft-disk
sudo mount -o discard,defaults /dev/disk/by-id/google-minecraft-disk $path

# Install JRE and download server jar
sudo apt-get update
sudo apt-get install -y default-jre-headless
cd $path

# Download and run update script - this will allow us to run in the future
wget -O updatemcjar.sh https://gist.githubusercontent.com/iCrazyBlaze/188f134e084eacb6740401cc7b10a38a/raw/f04b562c367632822d710661b47cab901d2a2938/updater.sh

# Create blank server.jar file to trick updater
echo >> $path/server.jar

sudo chmod 755 $path/updatemcjar.sh

./updatemcjar.sh -y --jar-path $path/server.jar

# Remove backup of empty file
sudo rm server.jar.bak

# First run to generate the text file
java -Xmx1024M -Xms1024M -jar server.jar nogui

# Agree to the EULA
sudo sed -i 's/false/true/g' eula.txt

wget https://gist.githubusercontent.com/iCrazyBlaze/ced4323c2768a7e8de11bb1ada013e0f/raw/3787b77884345914ff8c87be7311a71e675730ed/backup.sh
wget https://gist.githubusercontent.com/iCrazyBlaze/82f8fdf0e215a6c779750df4bce63a2d/raw/0f2212bf9c9feeb541184f46135a6e4d00b3bce0/launch.sh

# Add bucket id from variable
sudo sed -i "s/<bucket>/$bucket/g" backup.sh

# Set executable
sudo chmod 755 $path/backup.sh
sudo chmod 755 $path/launch.sh

#write out current crontab
crontab -l > minecron
#echo new cron into cron file
echo "0 */$backuphours * * * $path/backup.sh" >> minecron
#install new cron file
crontab minecron
rm minecron

# Run in screen terminal
apt-get install -y screen
sudo ./launch.sh