[Clusterusers] rshing into nodes

[Ryan Moore]

This was also my fault for not syncing the nodes after adding zvi's account.

- Ryan

Lee Spector wrote:

> Do you have an .rhosts file in your home directory (check with "ls 
> -a")? If not then make one containing the text below. I *think* that's 
> what's necessary for rsh BUT I think you probably want to use ssh 
> anyway, since rsh apparently uses up some sort of resource that then 
> breaks things. Try ssh-ing with your hex username and password. If 
> that doesn't work then talk to Ryan -- I have no clue why that 
> wouldn't work. If it does work then you can make it work without 
> password as follows (thanks to Jon):
>
> ---
> Run "ssh-keygen -t dsa", and follow the instructions (using the 
> default values it offers when appropriate).  Once this is done, there 
> will be a file in .ssh/id_dsa.pub .  Copy the contents of this file 
> and paste it (as a single line) into the file .ssh/authorized_keys .  
> Make sure  .ssh/authorized_keys has the right permissions with "chmod 
> 644 .ssh/authorized_keys". After that, you should be able to ssh from 
> master into all the other nodes without using a password.
> ---
>
> RYAN: Could you put the above paragraph somewhere were all new users 
> will see it? Maybe make a hex-faq document that gets copied to each 
> home directory as part of the account creation script? Or something 
> else if it's easier... but something better than digging through email 
> archives to retrieve this for each new user.
>
>  -Lee
>
>
>
>
> # IPs and Aliases for the head node
> 192.168.0.254
> 192.168.0.253
> 192.168.0.252
>
> # IPs for the slave nodes n01-n99
> 192.168.0.1
> 192.168.0.2
> 192.168.0.3
> 192.168.0.4
> 192.168.0.5
> 192.168.0.6
> 192.168.0.7
> 192.168.0.8
> 192.168.0.9
> 192.168.0.10
> 192.168.0.11
> 192.168.0.12
> 192.168.0.13
> 192.168.0.14
> 192.168.0.15
> 192.168.0.16
> 192.168.0.17
> 192.168.0.18
> 192.168.0.19
> 192.168.0.20
> 192.168.0.21
> 192.168.0.22
> 192.168.0.23
> 192.168.0.24
> 192.168.0.25
> 192.168.0.26
> 192.168.0.27
> 192.168.0.28
> 192.168.0.29
> 192.168.0.30
> 192.168.0.31
> 192.168.0.32
> 192.168.0.33
> 192.168.0.34
> 192.168.0.35
> 192.168.0.36
> 192.168.0.37
> 192.168.0.38
> 192.168.0.39
> 192.168.0.40
> 192.168.0.41
> 192.168.0.42
> 192.168.0.43
> 192.168.0.44
> 192.168.0.45
> 192.168.0.46
> 192.168.0.47
> 192.168.0.48
> 192.168.0.49
> 192.168.0.50
> 192.168.0.51
> 192.168.0.52
> 192.168.0.53
> 192.168.0.54
> 192.168.0.55
> 192.168.0.56
> 192.168.0.57
> 192.168.0.58
> 192.168.0.59
> 192.168.0.60
> 192.168.0.61
> 192.168.0.62
> 192.168.0.63
> 192.168.0.64
> 192.168.0.65
> 192.168.0.66
> 192.168.0.67
> 192.168.0.68
> 192.168.0.69
> 192.168.0.70
> 192.168.0.71
> 192.168.0.72
> 192.168.0.73
> 192.168.0.74
> 192.168.0.75
> 192.168.0.76
> 192.168.0.77
> 192.168.0.78
> 192.168.0.79
> 192.168.0.80
> 192.168.0.81
> 192.168.0.82
> 192.168.0.83
> 192.168.0.84
> 192.168.0.85
> 192.168.0.86
> 192.168.0.87
> 192.168.0.88
> 192.168.0.89
> 192.168.0.90
> 192.168.0.91
> 192.168.0.92
> 192.168.0.93
> 192.168.0.94
> 192.168.0.95
> 192.168.0.96
> 192.168.0.97
> 192.168.0.98
> 192.168.0.99
>
> # EOF
>
>
>
> On Feb 10, 2005, at 12:53 PM, zhc00 at hampshire.edu wrote:
>
>>
>> Hi Everyone,
>> There's probably something really trivial that I'm overlooking, but 
>> I'm having
>> trouble rshing into a node.  I use my username and password to ssh 
>> into hex, but
>> then when I try to rsh into a given node it asks me for my password 
>> again and
>> doesn't accept it.  I assumed it should be my same password that I 
>> used to get
>> into hex because that's the only one I've set up, but maybe not.  
>> Thanks for
>> your help.
>> Zvi
>>
>> _______________________________________________
>> Clusterusers mailing list
>> Clusterusers at lists.hampshire.edu
>> http://lists.hampshire.edu/mailman/listinfo/clusterusers
>>
>>
> -- 
> Lee Spector
> Dean, Cognitive Science + Professor, Computer Science
> Cognitive Science, Hampshire College
> 893 West Street, Amherst, MA 01002-3359
> lspector at hampshire.edu, http://hampshire.edu/lspector/
> Phone: 413-559-5352, Fax: 413-559-5438
>
>
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