monitor

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monitor
monitor checks the game server to ensure the server functioning. First checking the game server process is running then querying the game server to check the game server is responding. monitor is designed to be an automated command that frequently checks the game server, rebooting and alerting if required.
Commands
Standard: ./gameserver monitor
Short: ./gameserver m
How does monitor work?
Monitor first checks that the server process or tmux session is running. If it is, it will then attempt to query the server using gamedig or gsquery.py. Should this fail to query it will attempt to query every 15 seconds over 60 second period. Should this fail the server will be rebooted and an alert sent out.
During server start, map change, workshop downloads, the server is unable to answer queries.The monitor will wait for 60 seconds as it is common for servers to stop responding to queries during a map change. This wait prevents monitor from rebooting a server that does not require it.
Automated Monitoring
Monitor is designed to be and automated task, using cronjobs to allow a game server to be frequently checked.
As a reminder, you can edit your cronjobs, typing :
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crontab -e
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Monitor Cronjob
Use these cron examples to setup automated monitoring.
Replace the username and gameserver according to your requirements.
A user based cronjob to monitor your server every 5 minutes .
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*/5 * * * *  /home/username/gameserver monitor > /dev/null 2>&1
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A root user based cronjob to monitor your server every 5 minutes .
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*/5 * * * *  su - username -c '/home/username/gameserver monitor' > /dev/null 2>&1
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To learn more about automation, see Cronjobs.
Alert Notifications
To be notified when a server fails alert notifications can be setup , see alerts.
Query Delay
Game Servers do not respond to queries while the server is booting. Query delay prevents monitor from giving a false positive should it query while the server is booting. A timed delay prevents monitor from using query at all during a set time (normally either 1 or 5 minutes) after start, giving the server time to boot and become ready to accept queries. Query delay timer can be adjusted using the querydelay setting.
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## Monitor | https://docs.linuxgsm.com/commands/monitor
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# Query delay time
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querydelay="1"
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Monitor Activation
Starting and stopping the game server activates and deactivates monitor. This prevents the server being manually stopped only to be started again by monitor.
start-stop-restart
test-alert
Last modified 1yr ago
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Contents
Commands
How does monitor work?