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[K12OSN] Re:No luck with ssh key storing for users (info)



Dear Sir,

here is the exact process, which never failed for me till date (atleast)!!

AUTOMATING SSH
--------------
making an automated(without asking password) process for SSH between "bimalserver"(10.10.10.1) and "balwantserver"(10.10.10.5) do as

login on bimalserver as a general user "bimal" and execute ssh-keygen command as...

[bimal bimalserver bimal]$ ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/home/bimal/.ssh/id_rsa):
Created directory '/home/bimal/.ssh'.
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/bimal/.ssh/id_rsa.
Your public key has been saved in /home/bimal/.ssh/id_rsa.pub.
The key fingerprint is:
b8:30:b8:b3:53:4c:29:60:0e:fe:5f:c0:58:3c:6e:df bimal bimalserver

NOTE:-
------
1) if you don't provide a file name it will create it at its own.

2) keep "passphrase" BLANK i.e. just hit enter when asked for,now you need to put "id_rsa.pub"
file(in fact, content) onto other machine in the home of a user as of whom you want to get in
e.g there is another machine "balwantserver" on which there is a user "balwant"

so what you need to do is, in the "/home/balwant/.ssh/" directory of user "balwant" of "balwantserver"
create a file "authorized_keys2" and put the content of "id_rsa.pub" of user "bimal" of "bimalserver"
in it i.e. from bimalserver do

[bimal bimalserver bimal]$ scp /home/bimal/.ssh/id_rsa.pub
balwant balwantserver:/home/balwant/.ssh/bimal_pub_key (you need to provide balwant's password as of now)

now do on balwantserver

[balwant balwantserver balwant]$ cd .ssh

[balwant balwantserver .ssh]$ cat bimal_pub_key >> authorized_keys2

now check whether this is working or not so, on server bimalserver

[bimal bimalserver bimal]$ ssh -l balwant balwantserver whoami

this should return balwant, if not that means your ssh automated part is having some error!! and
either of "US" has commited a mistake, please - recheck it and inform me too...

regards,

Bimal Pandit


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