Wednesday, February 17, 2010


Hi All,

Ever wondered why the command 'passwd' did not work at one of your Linux boxes / machines???

For novices - passwd is the command to change your *nix / *ux accounts.

But many a times the command passwd would not work.

This below might be one of the reasons along with other several factors.

You may be accessing a NIS server/database/service or what ever.

So what is NIS??? NIS stands for Network Information Service.

On a NIS database server which would be handling your user credentials, the regular passwd command will not work.

You need to issue a command called - yppasswd

Thanks and happy and secure password changing!!!!
Ananth Gouri

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