update nsswitch.conf file
+# /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
+gshadow: files
+
+hosts: files dns
+networks: files
+
+protocols: db files
+services: db files
+ethers: db files
+rpc: db files
+
+netgroup: nis
hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4
+
