One of the first places we should check when there's an unexplained issue is log files. This is not just a Zabbix-specific thing; log files are great. Sometimes. Other times, they do not help, but we will discuss some other options for when log files do not provide the answer. To be able to find the answer, though, it is helpful to know some basics about the log file format. The Zabbix log format is as follows:
PPPPPP:YYYYMMDD:HHMMSS.mmm
Here, PPPPPP is process ID, space-padded to six characters, YYYYMMDD is the current date, HHMMSS is the current time, and mmm is milliseconds for the timestamp. Colons and the dot are literal symbols. This prefix is followed by a space and then by the actual log message. Here's ...
