SSH keys
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- download WinSCP package (including key-generating PuttyGen.exe) here
- double click puttygen.exe to start it
- select SSH-2 RSA (default) and click 'generate'
- 'create some randomness' as instructed on screen
- leave 'passphrase' fields empty
- click to save 'private key' as you would need this in client
- copy (do not use 'save public key' for unix use!) public key as displayed on the top of the screen
- paste and save the public key into your home directory on unix host, into file .ssh/authorized_keys
- chmod 700 .ssh
- chmod 600 authorized_keys
- also, will not work if your home directory has group permissions until you set StrictModes to 'no'
- do not forget to restart sshd when making changes to configuration