[lug] Adding user to two machines at once?

[Justin]

I have a couple of servers that I have users on. One server contains 
every user while the other server contains only a select few of those 
users. Currently what I have been doing is when I get a new user, I add 
them to the primary server, then if necessary I add them again to the 
secondary server. What are some ways to make this procedure a little 
simpler? What I was thinking was writing a script that I can run on the 
primary server which adds the user, then prompts me if I want to add 
the same user to the secondary box. The script of course would need to 
somehow log into the secondary box and add the user there. That is what 
I don't know how to do. Does anyone have any suggestions on how to 
accomplish this? Or an alternative that might be better for my 
situation?  

BTW, the uid's or gid's do not need to be the same between the 
machines, simply the username and preferably the initial temp passwd.

TIA,
Justin
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