Simple web page check scenario, Zabbix

Decrease the log level for al processes:

zabbix_server -R log_level_decrease

There should be no content:

tail -f /var/log/zabbix/zabbix_server.log

Increase the level for http poller:

zabbix_server -R log_level_increase="http poller"

Check situation:

grep increase /var/log/zabbix/zabbix_server.log

Decrease the level for http poller:

zabbix_server -R log_level_decrease="http poller"

Set back to mormal:

zabbix_server -R log_level_increase

ps aux|grep "[h]ttp poller"

strace:

id=$(ps -aux|grep "[h]ttp poller"|tail -1|awk '{print $2}')
echo $id
ps $id
strace -T -ttt -s 1024 -p $id