Marco C . wrote: > Why sometimes in my logs magically appears the line date,time host -- > MARK -- What does this MARK mean? Have a look at the syslogd(8) manual page, around line 100: -m interval The syslogd logs a mark timestamp regularly. The default interval between two -- MARK -- lines is 20 minutes. This can be changed with this option. Setting the interval to zero turns it off entirely. Cheers, Remco.