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verify date and time on unix

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# 1  
Old 07-25-2005
Error verify date and time on unix
Hello all,
I'm sorry for such a silly help.
I have 8 unix machines which include AIX, IRIX, HPUX, SGI.
I wanted a script that would compare/ check the date and time on all machine and send me a mail if some system has different date. how can i do it with a single script
It can check date and hour and if possb min.

I would be thanksful if any one could help me with this.

Regards,
Pradeep Kulkarni.
# 2  
Old 07-25-2005
Hi Pradeep,

To get the current time of any machine, try to read the data from port no 13.

For e.g. Using telnet :

Telnet <machine name> 13

Trying <I.P Address>...
Connected to <remote host>.
Escape character is '^]'.
Mon Jul 25 18:37:04 2005
Connection closed by foreign host.

U can get the current time for remote machine.

Regards,
Amit Sapre
# 3  
Old 07-25-2005
Why not use NTP (Network Time Protocol) to maintain time on all servers? Here is a link to info about NTP on HP servers, and here is a link to NTP on Sun.
# 4  
Old 07-25-2005
it is better to you run NTP on your UNIX hosts... and synchronize them with another NTP server on the internet, say time.nist.gov
# 5  
Old 07-30-2005
Hello all,
Sorry for the delay in reply. i knew about NTP but i wantd a script that would post a mail to me about this information.
i did try Telnet <machine name> 13 and it works but how do i capture this data and put it in file and mail...???

Rgds,
Pradeep Kulkarni.
# 6  
Old 08-01-2005
You could try this code :

toto=`telnet <machine name> 13`
datetime=`echo ${toto} | cut -d' ' -f10-`

Regards.
# 7  
Old 08-02-2005
Quote:
Originally Posted by madmat
You could try this code :

toto=`telnet <machine name> 13`
datetime=`echo ${toto} | cut -d' ' -f10-`

Regards.

Thanks a lot for the help it works, a small change

toto=`telnet <machine name> 13`
datetime=`echo ${toto} | cut -d' ' -f9-12`
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