Command-line

Question 1

What command can increase the log level of the Zabbix server?

Answer 1

The zabbix_server -R command increases the logging level:
$ zabbix_server -R log_level_increase='alert manager'

Zabbix server process-types

Increase log level, affects all processes if target is not specified

Question 2

What command can increase the log level of the Zabbix agent?

Answer 2

The zabbix_agentd[2] -R command increases the logging level:
$ zabbix_agent[d/2] -R log_level_increase="listener"

Agent process types

Increase log level, affects all processes if target is not specified

Question 3

What zabbix agent command lists all built-in items?

Answer 3

The $ zabbix_agent[d/2] -p lists all built-in items.

zabbix_agentd [1] and zabbix_agent2 [2]

Question 4

What command line utility can connect to a passive agent?

Answer 4

The zabbix_get can be used to connect to a passive agent.

zabbix_get

Question 5

What is the zabbix_get command line utility useful for?

Answer 5

The zabbix_get command line utility can connect to a passive agent to:
* troubleshoot agent availability or keys
* used with custom scripts to collect data
* used as a standalone utility

Question 6

What is the Zabbix trapper?

Answer 6

The zabbix trapper is a process that accepts incoming data instead of querying for it.

Question 7

What is the Zabbix sender?

Answer 7

The Zabbix sender is a standalone command-line utility to send in data to the zabbix trapper.