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2015-09-26 18:25:22 +00:00
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doc/Extensions/Alerting.md
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@@ -66,7 +66,7 @@ __Conditions__ can be any of:
__Values__ can be Entities or any single-quoted data.
__Glues__ can be either `&&` for `AND` or `||` for `OR`.
__Note__: The difference between `Equals` and `Matches` (and it's negation) is that `Equals` does a strict comparison and `Matches` allows the usage of the placeholder `@`. The placeholder `@` is comparable with `.*` in RegExp.
__Note__: The difference between `Equals` and `Matches` (and it's negation) is that `Equals` does a strict comparison and `Matches` allows the usage of RegExp.
Arithmetics are allowed as well.
## <a name="rules-examples">Examples</a>

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doc/Extensions/Device-Groups.md
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@@ -8,12 +8,12 @@ Patterns work in the same was as Entities within the alerting system, the format
as __tablename.columnname__. If you are ensure of what the entity is you want then have a browse around inside MySQL using `show tables` and `desc <tablename>`.
As a working example and a common question, let's assume you want to group devices by hostname. If you hostname format is dcX.[devicetype].example.com. You would use the pattern
devices.hostname. Select the condition which in this case would Like and then enter dc1.@.example.com. This would then match dc1.sw01.example.com, dc1.rtr01.example.com but not
devices.hostname. Select the condition which in this case would Like and then enter `dc1\..*\.example.com`. This would then match dc1.sw01.example.com, dc1.rtr01.example.com but not
dc2.sw01.example.com.
#### Wildcards
As used in the example above, wildcards are represented by the @ symbol. I.e @.example.com would match any hostnames under example.com.
As with alerts, the `Like` operation allows RegExp.
A list of common entities is maintained in our [Alerting docs](http://docs.librenms.org/Extensions/Alerting/#entities).