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PuTTY
=====
PuTTY - before we start SSH connection
---------------------------------------------------------------------------------
### Windows PuTTY Installer
We recommned you to download "**A Windows installer for everything
except PuTTYtel**" with **Pageant*** (SSH authentication agent) and
**PuTTYgen** (PuTTY key generator) which is available
[here](http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html).
After installation you can proceed directly
to private keys authentication using
["Putty"](putty.html#putty).
"Change Password for Existing Private Key" is optional.
"Generate a New Public/Private key (`id_rsa/id_rsa.ppk` ): `600 (-rw-------)` pair" is intended for users without
Public/Private key (`id_rsa/id_rsa.ppk` ): `600 (-rw-------)` in the initial email containing login credentials.
"Pageant" is optional.
### PuTTYgen
PuTTYgen is the PuTTY key generator. Read more how to load in an
existing private key and change your passphrase or generate a new
public/private key pair using [PuTTYgen](puttygen.html)
if needed.
### Pageant SSH agent
[Pageant](pageant.html) holds your private key in memory
without needing to retype a passphrase on every login. We recommend its
usage.
PuTTY - how to connect to the IT4Innovations cluster
--------------------------------------------------------
- Run PuTTY
- Enter Host name and Save session fields with [Login
address](../../../../salomon/accessing-the-cluster/shell-and-data-access/shell-and-data-access.html)
and browse Connection - > SSH -> Auth menu.
The *Host Name* input may be in the format
**"username@clustername.it4i.cz"** so you don't have to type your
login each time.
In this example we will connect to the Salomon cluster using
**"salomon.it4i.cz"**.
- Category -> Connection - > SSH -> Auth:
Select Attempt authentication using Pageant.
Select Allow agent forwarding.
Browse and select your [private
key](../ssh-keys.html) file.
- Return to Session page and Save selected configuration with *Save*
button.
- Now you can log in using *Open* button.
- Enter your username if the *Host Name* input is not in the format
"username@salomon.it4i.cz".
- Enter passphrase for selected [private
key](../ssh-keys.html) file if Pageant **SSH
authentication agent is not used.**
Another PuTTY Settings
----------------------
- Category -> Windows -> Translation -> Remote character set
and select **UTF-8**.
- Category -> Terminal -> Features and select **Disable
application keypad mode** (enable numpad)
- Save your configuration on Session page in to Default Settings with
*Save* button .