NTP server install on linux

I installed NTP server on Ubuntu Server 10.04 using:
[crayon-6ac7f4f224871151667834/]
The NTP daemon seems working and listening on the 123 port.

However, I was not able to get the time from another machine:
[crayon-6ac7f4f224891616726424/]
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Remove  previous version
[crayon-6ac7f4f224894184768494/]
 
[crayon-6ac7f4f224895121699647/]
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If you have ntpd installed on another machine, you can use your first server in the servers list of your ntp.conf file, or can synchronize one time with the -q option, as follows:
[crayon-6ac7f4f224896602449346/]