Maintenance script to backup, update and get server status

• Backup of web server
• Backup of MySQL database
• System's update
• Check for website status

start
sudo sh maintenance.sh start

status
sudo sh maintenance.sh status

stop
sudo sh maintenance.sh stop

• Debian
  mv maintenance.sh maintenance && sudo mv maintenance /etc/init.d/
service maintenance start

• CentOS

1. create a file called maintenance.service
   touch maintenance.service

2. edit the file as below
   vim maintenance.service

[Unit]
Description=Maintenance script to backup, update system and retrieve website status

[Service]
Type=simple
ExecStart=/bin/bash /opt/maintenance start
ExecReload=/bin/bash /opt/maintenance reload
ExecStop=/bin/bash /opt/maintenance stop
PIDFile=/var/run/maintenance.pid

[Install]
WantedBy=multi-user.target

3. chmod to 644
   chmod 644 maintenance.service

4. move the files
   mv maintenance.sh maintenance && sudo mv maintenance /opt/
sudo mv maintenance.service /usr/lib/systemd/system/

5. reboot your system to apply the changes
   reboot

6. start the script
   systemctl start maintenance

7. install
   sudo systemctl enable maintenance