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Unknown committed Nov 9, 2023
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2 changes: 1 addition & 1 deletion search/search_index.json

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34 changes: 8 additions & 26 deletions user-guide/connecting-totp/index.html
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</li>

<li class="md-nav__item">
<a href="#time-based-one-time-password" class="md-nav__link">
Time-based one-time password
<a href="#mfa-time-based-one-time-password" class="md-nav__link">
MFA Time-based one-time password
</a>

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</li>

<li class="md-nav__item">
<a href="#password" class="md-nav__link">
Password
<a href="#mfa" class="md-nav__link">
MFA
</a>

</li>
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</ol>
<p>Once you have done this, your SSH key will be added to your Cirrus
account.</p>
<h3 id="mfa-time-based-one-time-password">MFA Time-based one-time password</h3>
<p>Remember, you will need to use both an SSH key and Time-based one-time password to log into Cirrus so you will
also need to set up your TBOT before you can log into Cirrus. We cover this next.</p>
<h3 id="time-based-one-time-password">Time-based one-time password</h3>
<p><a href="https://safe.epcc.ed.ac.uk/">Login to SAFE</a>. Then:</p>
<ol>
<li>Go to the Menu 'Login accounts' and select your Cirrus account. Set MFA-token. A scanable QR code will be displayed.</li>
<li>Install a suitable smart-phone app such as google-authenticator (<a href="https://play.google.com/store/apps/details?id=com.google.android.apps.authenticator2">android</a>, <a href="http://appstore.com/googleauthenticator">ios</a>) on your phone or mobile device, or use a cross-platform app such as <a href="https://authy.com/">Authy</a> which works on Windows, MacOS, Linux, Android and ios.</li>
<li>Follow the app instructions to add a new account and scan the displayed QR code (or type in the dispayed 26 character key).</li>
<li>Type the verification code generated by the app into the Verification code box.</li>
<li>Click Set</li>
</ol>
<p>TOTP 2-Factor Authentication is now enabled on your Cirrus account.</p>
<p>Each time you log in to Cirrus, in additon to requesting your ssh key passphrase, you will also be asked for the current 6-digit authentication code from the app.</p>
also need to <a href="https://epcced.github.io/safe-docs/safe-for-users/#how-to-turn-on-mfa-on-your-machine-account">set up your TOTP</a> before you can log into Cirrus. </p>
<h2 id="ssh-clients">SSH Clients</h2>
<p>Interaction with Cirrus is done remotely, over an encrypted
communication channel, Secure Shell version 2 (SSH-2). This allows
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<p>The first character indicates whether the target is a file <code>-</code>, or directory <code>d</code>. The next three characters indicate the owning user's permissions. The first character is <code>r</code> if they have read permission, <code>-</code> if they don't, the second character is <code>w</code> if they have write permission, <code>-</code> if they don't, the third character is <code>x</code> if they have execute permission, <code>-</code> if they don't. This pattern is then repeated for <em>group</em>, and <em>other</em> permissions. </p>
<p>For example the pattern <code>-rw-r--r--</code> indicates that the owning user can read and write the file, members of the owning group can read it, and anyone else can also read it. The <code>chmod</code> codes are constructed by treating the user, group, and owner permission strings as binary numbers, then converting them to decimal. For example the permission string <code>-rwx------</code> becomes <code>111 000 000</code> -&gt; <code>700</code>.</p>
</div>
<h3 id="password">Password</h3>
<p>If you are having trouble entering your password consider using a
password manager, from which you can copy and paste it. This will also
help you generate a secure password. If you need to reset your password,
instructions for doing so can be found
<a href="https://epcced.github.io/safe-docs/safe-for-users/#reset_machine">here</a>.</p>
<p>Windows users please note that <code>Ctrl+V</code> does not work to paste in to
PuTTY, MobaXterm, or PowerShell. Instead use <code>Shift+Ins</code> to paste.
Alternatively, right-click and select 'Paste' in PuTTY and MobaXterm, or
simply right-click to paste in PowerShell.</p>
<h3 id="mfa">MFA</h3>
<p>If your TOTP passcode is being consistently rejected, you can <a href="https://epcced.github.io/safe-docs/safe-for-users/#mfa_off">remove MFA from your account</a> and then <a href="https://epcced.github.io/safe-docs/safe-for-users/#mfa">re-enable it</a>.</p>
<h3 id="ssh-verbose-output">SSH verbose output</h3>
<p>Verbose debugging output from <code>ssh</code> can be very useful for diagnosing
the issue. In particular, it can be used to distinguish between problems
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