How can you stop the program?
My auth.log has regularly similar entries as follows
Jan 2 03:15:01 lumi CRON[28939]: pam_unix(cron:session): session opened for user svn-autoreleasedeb by (uid=0)
Jan 2 03:15:01 lumi CRON[28939]: pam_unix(cron:session): session closed for user svn-autoreleasedeb
Jan 2 03:17:01 lumi CRON[28949]: pam_unix(cron:session): session opened for user root by (uid=0)
Jan 2 03:17:01 lumi CRON[28949]: pam_unix(cron:session): session closed for user root
Jan 2 03:20:01 lumi CRON[28955]: pam_unix(cron:session): session opened for user svn-autoreleasedeb by (uid=0)
Jan 2 03:20:01 lumi CRON[28955]: pam_unix(cron:session): session closed for user svn-autoreleasedeb
Jan 2 03:25:01 lumi CRON[29370]: pam_unix(cron:session): session opened for user svn-autoreleasedeb by (uid=0)
Jan 2 03:25:01 lumi CRON[29370]: pam_unix(cron:session): session closed for user svn-autoreleasedeb
Jan 2 03:30:01 lumi CRON[29467]: pam_unix(cron:session): session opened for user svn-autoreleasedeb by (uid=0)
Jan 2 03:30:01 lumi CRON[29467]: pam_unix(cron:session): session closed for user svn-autoreleasedeb
Jan 2 03:35:01 lumi CRON[29499]: pam_unix(cron:session): session opened for user svn-autoreleasedeb by (uid=0)
Jan 2 03:35:01 lumi CRON[29499]: pam_unix(cron:session): session closed for user svn-autoreleasedeb