Syslog severity levels
Syslog messages have eight severity levels which are denoted by both a number and a name. These are listed in the following table:
| Number | Severity | Description |
|---|---|---|
| 0 | Emergency | System is unusable |
| 1 | Alert | Action must be taken immediately |
| 2 | Critical | Critical conditions |
| 3 | Error | Error conditions |
| 4 | Warning | Warning conditions |
| 5 | Notice | Normal but significant conditions |
| 6 | Informational | Informational messages |
| 7 | Debug | Debug-level messages |