(e.g. Ubuntu, RedHat/CentOS) with a focus on web (Apache/Nginx)
Types of errors in Linux/Unix administration
- 100 - Disk Error. Disk is over 95% full...
- 200 - CPU Error. CPU load average is unacceptably high.
- 300 - Process Error. An important processes has died.
- 400 - Message file contains a serious error.
- 500 - Network error, can't connect to that IP address.
- 600 - Web server HTTP error - server is down.
- 610 - SSl Cert check failure, Cert will expire in 7 days or less.
- 7-- - Generic server error - 7 + server port number i.e. 721 = ftp down
- 800 - DNS server on that machine is down
- 911 - User Page. Message is phone number to call back.
- 999 - The service reported in an error could not be found in the svcerrlist token in etc/bbwarnsetup.cfg file.
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