On Thu, 2017-08-17 at 16:01 -0400, Jerry Geis wrote: > This is a listing. > > total 44 > drwx------ 2 root root 6 Aug 17 15:36 lu26465gujqup.tmp > drwx------ 2 root root 8192 Aug 17 15:37 lu27063gukci0.tmp > drwx------ 2 root root 8192 Aug 17 15:43 lu3205guot5q.tmp > drwx------ 2 root root 8192 Aug 17 15:48 lu4177guts1n.tmp > drwx------ 2 root root 6 Aug 17 15:36 pulse-PKdhtXMmr18n > drwx------ 3 root root 16 Aug 17 15:39 > systemd-private-e02ca338bba64326ab00789706c3de4b-colord.service-B3EzVm > drwx------ 3 root root 16 Aug 17 15:39 > systemd-private-e02ca338bba64326ab00789706c3de4b-rtkit-daemon.service-Z5MlFp > drwx------ 2 root root 6 Mar 1 2016 tracker-extract-files.1000 > > > Its the XXXXXXX.tmp directory that seem to be filling up... They have .tmp > files in the directory. > > or the tracker-extract-files is also an unknown. > > What is that? how do I stop it ? > It's where tracker extracts files. Google for "centos7 tracker disable" I suspect the lu*.tmp directories are from when tracker uses LO to extract and index documents. If you don't use, or want to use, tracker, then disable tracker. P.