I renamed /home/mcserver/minecraft_bedrock/ to /home/mcserver/minecraft_bedrock1/ for the first Bedrock Server.
sudo vim /home/mcserver/minecraft_bedrock1/start_server.sh
#!/usr/bin/env bash
SERVER_PATH=/home/mcserver/minecraft_bedrock1/
/usr/bin/screen -dmS mcbedrock1 /bin/bash -c “LD_LIBRARY_PATH=$SERVER_PATH ${SERVER_PATH}bedrock_server”/usr/bin/screen -rD mcbedrock1 -X multiuser on/usr/bin/screen -rD mcbedrock1 -X acladd root
sudo chmod +x /home/mcserver/minecraft_bedrock1/start_server.sh
sudo vim /home/mcserver/minecraft_bedrock1/stop_server.sh
/usr/bin/screen -Rd mcbedrock1 -X stuff “stop \r”
sudo chown -R mcserver: /home/mcserver/
sudo vim /etc/systemd/system/mcbedrock1.service
[Unit]Description=Minecraft Bedrock ServerWants=network-online.targetAfter=network-online.target
[Service]Type=forkingUser=mcserverGroup=mcserverExecStart=/usr/bin/bash /home/mcserver/minecraft_bedrock1/start_server.shExecStop=/usr/bin/bash /home/mcserver/minecraft_bedrock1/stop_server.shWorkingDirectory=/home/mcserver/minecraft_bedrock1/Restart=alwaysTimeoutStartSec=600
[Install]WantedBy=multi-user.target
:qw! to write and quit
sudo systemctl enable mcbedrock1
sudo systemctl start mcbedrock1