Thanks for responding i send content of etc/nsswitch.conf and the rest of the outputs: # /etc/nsswitch.conf # # Example configuration of GNU Name Service Switch functionality. # If you have the `glibc-doc-reference' and `info' packages installed, try: # `info libc "Name Service Switch"' for information about this file. passwd: compat group: compat shadow: compat hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4 networks: files protocols: db files services: db files ethers: db files rpc: db files netgroup: nis etc/group : root:x:0: daemon:x:1: bin:x:2: sys:x:3: adm:x:4:barbis tty:x:5: disk:x:6: lp:x:7: mail:x:8: news:x:9: uucp:x:10: man:x:12: proxy:x:13: kmem:x:15: dialout:x:20:barbis fax:x:21:barbis voice:x:22: cdrom:x:24:barbis floppy:x:25:barbis tape:x:26:barbis sudo:x:27: audio:x:29:pulse,barbis dip:x:30:barbis www-data:x:33: backup:x:34: operator:x:37: list:x:38: irc:x:39: src:x:40: gnats:x:41: shadow:x:42: utmp:x:43: video:x:44:barbis sasl:x:45: plugdev:x:46:barbis staff:x:50: games:x:60: users:x:100: nogroup:x:65534: libuuid:x:101: crontab:x:102: syslog:x:103: fuse:x:104:barbis lpadmin:x:105:barbis ssl-cert:x:106: messagebus:x:107: etc/passwd: root:x:0:0:root:/root:/bin/bash daemon:x:1:1:daemon:/usr/sbin:/bin/sh bin:x:2:2:bin:/bin:/bin/sh sys:x:3:3:sys:/dev:/bin/sh sync:x:4:65534:sync:/bin:/bin/sync games:x:5:60:games:/usr/games:/bin/sh man:x:6:12:man:/var/cache/man:/bin/sh lp:x:7:7:lp:/var/spool/lpd:/bin/sh mail:x:8:8:mail:/var/mail:/bin/sh news:x:9:9:news:/var/spool/news:/bin/sh uucp:x:10:10:uucp:/var/spool/uucp:/bin/sh proxy:x:13:13:proxy:/bin:/bin/sh www-data:x:33:33:www-data:/var/www:/bin/sh backup:x:34:34:backup:/var/backups:/bin/sh list:x:38:38:Mailing List Manager:/var/list:/bin/sh irc:x:39:39:ircd:/var/run/ircd:/bin/sh gnats:x:41:41:Gnats Bug-Reporting System (admin):/var/lib/gnats:/bin/sh nobody:x:65534:65534:nobody:/nonexistent:/bin/sh libuuid:x:100:101::/var/lib/libuuid:/bin/sh syslog:x:101:103::/home/syslog:/bin/false messagebus:x:102:107::/var/run/dbus:/bin/false avahi-autoipd:x:103:110:Avahi autoip daemon,,,:/var/lib/avahi-autoipd:/bin/false avahi:x:104:111:Avahi mDNS daemon,,,:/var/run/avahi-daemon:/bin/false couchdb:x:105:113:CouchDB Administrator,,,:/var/lib/couchdb:/bin/bash speech-dispatcher:x:106:29:Speech Dispatcher,,,:/var/run/speech-dispatcher:/bin/sh usbmux:x:107:46:usbmux daemon,,,:/home/usbmux:/bin/false haldaemon:x:108:114:Hardware abstraction layer,,,:/var/run/hald:/bin/false kernoops:x:109:65534:Kernel Oops Tracking Daemon,,,:/:/bin/false pulse:x:110:115:PulseAudio daemon,,,:/var/run/pulse:/bin/false rtkit:x:111:117:RealtimeKit,,,:/proc:/bin/false saned:x:112:118::/home/saned:/bin/false hplip:x:113:7:HPLIP system user,,,:/var/run/hplip:/bin/false gdm:x:114:120:Gnome Display Manager:/var/lib/gdm:/bin/false barbis:x:1000:1000:Barbis,,,:/home/barbis:/bin/bash guest:x:115:123:Guest,,,:/:/bin/bash i hope this is helpful thanks again "We Must Be Over The Rainbow" > Date: Wed, 22 Dec 2010 19:30:51 +0000 > From: