August 2016
Intermediate to advanced
754 pages
18h 10m
English
Content preview from Zabbix Network Monitoring - Second EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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SSH and Telnet items
We have looked at quite a lot of fairly custom and customizable ways to get data into Zabbix. Although external checks should allow us to grab data by any means whatsoever, in some cases we might need to collect data from some system that is reachable over SSH or even Telnet, but there is no way to install an agent on it. In that case, a more efficient way to retrieve the values would be to use the built-in SSH or Telnet support.
SSH items
Let's look at the SSH items first. As a simple test, we could re-implement the same Zabbix agent parameter we did as our first user parameter, determining the number of the currently logged-in users by running who | wc -l. To try this out, we need a user account we could use to run that command, ...
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