update
abhishek@abhi:~$ nmap -vv sl1
Starting Nmap 4.20 ( http://insecure.org ) at 2007-10-24 12:15 IST
Initiating Parallel DNS resolution of 1 host. at 12:15
Completed Parallel DNS resolution of 1 host. at 12:15, 6.50s elapsed
Initiating Connect() Scan at 12:15
Scanning sl1.cmi.ac.in (192.168.53.1) [1697 ports]
Discovered open port 113/tcp on 192.168.53.1
Discovered open port 22/tcp on 192.168.53.1
Discovered open port 21/tcp on 192.168.53.1
Discovered open port 25/tcp on 192.168.53.1
Discovered open port 23/tcp on 192.168.53.1
Discovered open port 538/tcp on 192.168.53.1
Discovered open port 111/tcp on 192.168.53.1
Discovered open port 37/tcp on 192.168.53.1
Discovered open port 79/tcp on 192.168.53.1
Discovered open port 970/tcp on 192.168.53.1
Discovered open port 1234/tcp on 192.168.53.1
Discovered open port 9/tcp on 192.168.53.1
Discovered open port 13/tcp on 192.168.53.1
Discovered open port 515/tcp on 192.168.53.1
Discovered open port 2049/tcp on 192.168.53.1
Discovered open port 587/tcp on 192.168.53.1
Completed Connect() Scan at 12:15, 3.70s elapsed (1697 total ports)
Host sl1.cmi.ac.in (192.168.53.1) appears to be up ... good.
Interesting ports on sl1.cmi.ac.in (192.168.53.1):
Not shown: 1681 closed ports
PORT STATE SERVICE
9/tcp open discard
13/tcp open daytime
21/tcp open ftp
22/tcp open ssh
23/tcp open telnet
25/tcp open smtp
37/tcp open time
79/tcp open finger
111/tcp open rpcbind
113/tcp open auth
515/tcp open printer
538/tcp open gdomap
587/tcp open submission
970/tcp open unknown
1234/tcp open hotline
2049/tcp open nfs
Nmap finished: 1 IP address (1 host up) scanned in 10.319 seconds
abhishek@abhi:~$ nmap -vv localhost
Starting Nmap 4.20 ( http://insecure.org ) at 2007-10-24 12:14 IST
Initiating Connect() Scan at 12:14
Scanning localhost (127.0.0.1) [1697 ports]
Discovered open port 22/tcp on 127.0.0.1
Discovered open port 631/tcp on 127.0.0.1
Completed Connect() Scan at 12:14, 0.03s elapsed (1697 total ports)
Host localhost (127.0.0.1) appears to be up ... good.
Interesting ports on localhost (127.0.0.1):
Not shown: 1695 closed ports
PORT STATE SERVICE
22/tcp open ssh
631/tcp open ipp
Nmap finished: 1 IP address (1 host up) scanned in 0.143 seconds
abhishek@sl1:~$ vncserver
New 'X' desktop is sl1:1
Starting applications specified in /home/students/abhishek/.vnc/xstartup
Log file is /home/students/abhishek/.vnc/sl1:1.log
now when i try to login from other machine i get this
abhishek@abhi:~$ vncviewer sl1:1
VNC Viewer Free Edition 4.1.1 for X - built Sep 10 2007 17:17:04
Copyright (C) 2002-2005 RealVNC Ltd.
See http://www.realvnc.com for information on VNC.
Wed Oct 24 12:09:11 2007
main: unable to connect to host: Connection refused (111)
abhishek@abhi:~$