VDS Sphera Knowledge Base
How do you use the Putty SSH client?
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Download Putty (putty.exe): http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html
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Launch Putty: Double-click on the file you just downloaded to launch the PuTTY Configuration window.
NOTE: This file is NOT an installer, it is the whole program. PuTTY is small enough and simple enough that it does not require an installer.
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Enter server - select protocol Enter 'yourdomain.com' in the field for 'Host Name (or IP address)' and select 'SSH' for the 'Protocol:'
Then simply press the 'Open' button.
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Accept host key If this is the first time you have connected to this server, a window will pop up that asks you about the server's host key being cached in the registry. Why does it do this and what do you press?
Long Answer: This is ssh telling you that it has never connected to this server before, and it wants to know if you trust the connection. The server has sent you it's 'key' which is used to decrypt the encrypted information it sends you. You almost certainly do trust the connection, and if you press 'Yes' PuTTY will store the key and not ask you this question again. If you pressed 'Yes' and it does ask you this question at some latter time, while making this connection, there is a possibility that someone is trying to intercept your password. That isn't very likely though, and you most likely will not have to worry about it. If you are asked this question again, check and see if anything has changed about the connection (maybe the server HAS changed it's key for a good reason, maybe you are trying to connect to a different machine than you thought) if you have tried it a couple of times and keep getting warnings about the key, and you suspect maybe someone IS trying to intercept your password, you should inform the helpdesk. If you press 'No' the connection will go through, but not store the key, and it will ask you this question next time you connect also. Cryptography is complicated! If you would like to understand it better, you could try starting here:
http://www.ssh.com/tech/crypto/intro.cfm
Short Answer: Press 'Yes' and forget about it.
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Enter username and password After accepting the host key, the regular PuTTY terminal window will pop up. Enter your username and password (you will not see your password while you type it.)
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