Hi, who can I help? what is my Problem? I am a New user in linux, My OP System is Redhat Enterprise 4 ,I want run Squit in our Network , But When I want Run squit by service squit start ,Failed Show me . and when enter squid command squid is stopped you have new mail in /var/spool/mail/root apeared. I restart My OP system . now I use squid command.anything apeared but when I enter squid command for start it squid is allredy running show me. [root@localhost ~]# squid -N -d1 2007/05/02 13:05:24| Starting Squid Cache version 2.5.STABLE6 for i386- redhat-linux-gnu... 2007/05/02 13:05:24| Process ID 4048 2007/05/02 13:05:24| With 1024 file descriptors available 2007/05/02 13:05:24| Performing DNS Tests... 2007/05/02 13:05:24| Successful DNS name lookup tests... 2007/05/02 13:05:24| DNS Socket created at 0.0.0.0, port 32769, FD 4 2007/05/02 13:05:24| Adding nameserver 194.225.90.4 from /etc/resolv.conf 2007/05/02 13:05:24| Adding nameserver 4.2.2.3 from /etc/resolv.conf 2007/05/02 13:05:24| User-Agent logging is disabled. 2007/05/02 13:05:24| Referer logging is disabled. 2007/05/02 13:05:24| Unlinkd pipe opened on FD 9 2007/05/02 13:05:24| Swap maxSize 2048000 KB, estimated 157538 objects 2007/05/02 13:05:24| Target number of buckets: 7876 2007/05/02 13:05:24| Using 8192 Store buckets 2007/05/02 13:05:24| Max Mem size: 174080 KB 2007/05/02 13:05:24| Max Swap size: 2048000 KB 2007/05/02 13:05:24| Rebuilding storage in /cache/ (CLEAN) 2007/05/02 13:05:24| Using Least Load store dir selection 2007/05/02 13:05:24| Current Directory is /root 2007/05/02 13:05:24| Loaded Icons. 2007/05/02 13:05:26| Accepting HTTP connections at 0.0.0.0, port 3128, FD 10. 2007/05/02 13:05:26| Accepting ICP messages at 0.0.0.0, port 3130, FD 11. 2007/05/02 13:05:26| WCCP Disabled. 2007/05/02 13:05:26| Ready to serve requests. 2007/05/02 13:05:26| Done scanning /cache/ swaplog (0 entries) 2007/05/02 13:05:26| Finished rebuilding storage from disk. 2007/05/02 13:05:26| 0 Entries scanned 2007/05/02 13:05:26| 0 Invalid entries. 2007/05/02 13:05:26| 0 With invalid flags. 2007/05/02 13:05:26| 0 Objects loaded. 2007/05/02 13:05:26| 0 Objects expired. 2007/05/02 13:05:26| 0 Objects cancelled. 2007/05/02 13:05:26| 0 Duplicate URLs purged. 2007/05/02 13:05:26| 0 Swapfile clashes avoided. 2007/05/02 13:05:26| Took 2.5 seconds ( 0.0 objects/sec). 2007/05/02 13:05:26| Beginning Validation Procedure 2007/05/02 13:05:26| Completed Validation Procedure 2007/05/02 13:05:26| Validated 0 Entries 2007/05/02 13:05:26| store_swap_size = 0k 2007/05/02 13:05:27| storeLateRelease: released 0 objects 2007/05/02 13:27:21| Preparing for shutdown after 0 requests 2007/05/02 13:27:21| Waiting 0 seconds for active connections to finish 2007/05/02 13:27:21| FD 10 Closing HTTP connection 2007/05/02 13:27:23| Shutting down... 2007/05/02 13:27:23| FD 11 Closing ICP connection 2007/05/02 13:27:23| Closing unlinkd pipe on FD 9 2007/05/02 13:27:23| aioSync: flushing pending I/O operations 2007/05/02 13:27:23| aioSync: done 2007/05/02 13:27:23| storeDirWriteCleanLogs: Starting... 2007/05/02 13:27:23| Finished. Wrote 0 entries. 2007/05/02 13:27:23| Took 0.0 seconds ( 0.0 entries/sec). 2007/05/02 13:27:23| aioSync: flushing pending I/O operations 2007/05/02 13:27:23| aioSync: done 2007/05/02 13:27:23| aioSync: flushing pending I/O operations 2007/05/02 13:27:23| aioSync: done config file dont have problem because squid -k pars anything show me.