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20040324: Unidata LDM feeds for Vietnam (cont.)



>From: Mai Nguyen <address@hidden>
>Organization: National Center for Hydro-Meteorological Forecasting of Vietnam
>Keywords: 200312020023.hB20N4p2027742 IDD LDM Linux

Hi Mai,

I got both emails, so I know the machine is up!

>I have done steps 1 to 6
>> passwd:   files nisplus
>But this change doesn't solve the problem. 
>
>> 7) type 'exit' at the ...
>
>I still can't log in as root. Is there a way to clear
>the password for root in the single mode?
>Can I set that passwd to "nothing":

As you found out this was a Kerberos thing.

>From address@hidden  Wed Mar 24 20:45:22 2004
>
>Tom,
>
>Today is really a brigher day!
>
>The problem is fixed. I've got help from one Linux
>expert from here too. And it is indeed caused by
>Kerberos. Now I've disabled it.

Can you tell us exactly what you did to disable Kerberos so that the
inquiry has complete information on how to get out of this problem?
Thanks!

>The incident is actually helpful for me since I'll
>understand this system better.

Stay away from Kerberos? :-)

>And here is the IP : 203.162.14.98
>           and DNS : met_research3.nchmf.gov.vn

I just tested forward and reverse name lookup using these values:
forward works (name -> IP), but reverse does not (IP -> name).
This may be updated in time.

>The password for ldm is the same.
>The services this compurter provide are: ssh, ftp,
>telnet.
>
>Do you need the telnet service? If not, please let me
>know since it will be safer for us.

No.  Please disable telnet as soon as possible.  It is a big security
problem.

>Thanks Tom. (The previous questions about data are
>still valid!).

We will be loading software as time permits and I will be grabbing
the S-VISSR imagery to send along to SSEC.  I will keep you informed
about progress.

>Have a nice day, Mai

You too.

Cheers,

Tom
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