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Update Windows instructions for win9 and later with openssh installed. - online edit of handbook/computing/keyexchange.html

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Expo on server 2024-04-17 13:57:14 +01:00
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handbook/computing/keyexchange.html
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@ -35,8 +35,11 @@ automatic - no passwords needed.</p>
<p>A public key file looks like this: <code>ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEApc9+PAMrDtWa8D8/Z<em>..lots more like this..</em>qmkW/cQ== wookey@kh</code>i.e. a long string of characters with 'ssh-rsa' at the start and an ID at the end (often 'user'@'machine').</p>
<h3>Windows</h3>
<p>On a Windows machine use
<a href="https://www.ssh.com/ssh/putty/windows/puttygen">puttygen</a>, which is part of <a href="https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html">PuTTY</a>. You need to install that if you don't already have it.</p>
<p>On Windows 10 or later openssh comes built-in. Open a command terminal and run <tt>ssh</tt> to see if you have it installed. If so just follow the linux instructions on this page - the process is identical. You can install it if it's not there. <a href="https://learn.microsoft.com/en-us/windows-server/administration/openssh/openssh_install_firstuse">(Microsoft setup instructions)</a>.
</p>
<p>Windows 9 has 'WSL' (Windows Subsystem for Linux) which is basically an Ubuntu install. That's the easiest way to use ssh. Run WSL and follow the linux instuctions here.
</p>
<p>For older Windows versions you need to use <a href="https://www.ssh.com/ssh/putty/windows/puttygen">puttygen</a>, which is part of <a href="https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html">PuTTY</a>. You need to install that if you don't already have it.</p>
<p>Follow the Puttygen instructions, but the really short version is:
<li>Run PuTTYgen</li>
<li>Click on 'Generate'. Follow the instructions. Don't bother adding a passphrase.</li>
@ -54,8 +57,8 @@ automatic - no passwords needed.</p>
<li>You may already have a key on this machine. If you already have <var>~/.ssh/id_rsa.pub</var>, then send that.</li>
<li>If not, run
<code><font color="darkred">$</font> ssh-keygen</code>
It may ask about passwords: you can add a password for extra
security, but a passwordless key is fine, and more convenient.</li>
It will ask about setting a password: you can add a password for extra
security, but a passwordless key is fine, and more convenient. We recommend not adding a password.</li>
<li>That will create a file called (by default) <var>.ssh/id_rsa.pub</var> in your home directory. Email that file to one of the admins listed above. </li>
</ol>
<p>This is an example of the whole interaction where the key file has been given a different name: