Is WHM password always the same with ssh password?

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http://serverfault.com – Currently they are the same with 2 of my dedicated server. I wonder if I change my cpanel whm password, will the root ssh password change too? The other way around, if I change the ssh password with password command, will whm password change too? This thread http://forums.cpanel.net/f5/changing-whm-root-password-command-line-3457... seems to suggest that it's yes but somehow doesn't work for OP case. So I ask the guru. (HowTos)