The "Checker" service description

About Checker

Checker monitors HAProxy and Nginx services and HAProxy backends. If some HAProxy's backend or HAProxy/Nginx service is down, Checker will alert via Telegram, real-time alerting via HAProxy-WI web panel and keep incident history.

The checker service consists of two parts:

The "Master checker" runs the "Worker checker". The "Master checker" should be running always.

When you would to start monitoring HAProxy service the "Master checker" will start local worker for every HAProxy and Nginx service.

The "Worker checker" will check every backend server and HAProxy status remotely by 1999 port(by default). If any backend lost connect with the HAProxy service or the HAProxy service is fallen, the checker will send message via Telegram about it If you would like to use and if HAProxy service has been installed manually read how you should set HAProxy service.

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For Checker installation you should run:

How to start using RPM you can read here

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The "Master checker" and "Worker checker" Logs

The "Master checker" and "Worker checker" have their own log in an "Internal logs". You can read more about the "Internal logs" here
Parameter: Description:
Token Token that gave you @father_bot
Channel name Name of your channel. The channel must be public
Group You can set one of the exists group. Group = namespace. Members from one group cannot see servers from another

HAProxy-WI checker
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For SMON updating you should run next command, if a new version is available yum will offer update it:
Or you can update it via HAProxy-WI:

HAProxy-WI Update services

Checker using

How to setup it and use you can read in this How to

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