:/etc/systemd/system$ systemctl status minecraft.service
● minecraft.service - Minecraft Server
   Loaded: loaded (/etc/systemd/system/minecraft.service; enabled; vendor
   preset
   Active: inactive (dead) since Wed 2018-11-14 16:33:25 PST; 3s ago
  Process: 4667 ExecStop=/srv/minecraft/mc_server.sh stop (code=exited,
  status=0/SUCCESS)
  Process: 4651 ExecStart=/srv/minecraft/mc_server.sh start (code=exited,
  status=0/SUCCESS)

Nov 14 16:33:11 systemd[1]: Starting Minecraft Server...
Nov 14 16:33:11 mc_server.sh[4651]: Session found.  Connecting.
Nov 14 16:33:11 mc_server.sh[4651]: Minecraft server successfully
started
Nov 14 16:33:11 mc_server.sh[4667]: step 1 successs
Nov 14 16:33:19 mc_server.sh[4667]: step 2 success
Nov 14 16:33:21 mc_server.sh[4667]: server shutdown success
Nov 14 16:33:25 systemd[1]: Started Minecraft Server.

# Source: https://github.com/agowa338/MinecraftSystemdUnit/
# License: MIT
[Unit]
Description=Minecraft Server
After=network.target auditd.service

[Service]
WorkingDirectory=/srv/minecraft/
# PrivateUsers=true
User=minecraft
Group=minecraft
ProtectSystem=full
ProtectHome=true
# ProtectKernelTunables=true
# Implies MountFlags=slave
# ProtectKernelModules=true
# Implies NoNewPrivileges=yes
# ProtectControlGroups=true
# Implies MountAPIVFS=yes
Type=forking

ExecStart=/srv/minecraft/mc_server.sh start

ExecStop=/srv/minecraft/mc_server.sh stop

Restart=on-abnormal
RestartSec=60s

[Install]
WantedBy=multi-user.target

#########
# HowTo
#########
#
# Create a directory in /opt/minecraft/XX where XX is a name like 'survival'
# Add minecraft_server.jar into dir with other conf files for minecraft server
#
# Enable/Start systemd service
#    systemctl enable minecraft@survival
#    systemctl start minecraft@survival
#
# To run multiple servers simply create a new dir structure and enable/start it
#    systemctl enable minecraft@creative