https://wiki.scc.kit.edu/lsdf/index.php?title=SSH_Access&feed=atom&action=historySSH Access - Revision history2024-03-28T16:13:38ZRevision history for this page on the wikiMediaWiki 1.31.16https://wiki.scc.kit.edu/lsdf/index.php?title=SSH_Access&diff=2520&oldid=prevLsdfadmin at 20:31, 17 October 20142014-10-17T20:31:29Z<p></p>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>2) As said above, the private key sequence is the same in both OpenSSH and SSH protocol 2. Its just the format that is different.</div></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>2) As said above, the private key sequence is the same in both OpenSSH and SSH protocol 2. Its just the format that is different.</div></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>3) Your permissions must be set very strict. '''.ssh''' must have 700, the private key<del class="diffchange diffchange-inline"> file</del> must have 600. SSH refuses (silently) otherwise.</div></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>3) Your permissions must be set very strict.<ins class="diffchange diffchange-inline"> The</ins> '''.ssh'''<ins class="diffchange diffchange-inline"> directory (in your home)</ins> must have 700,<ins class="diffchange diffchange-inline"> the file with</ins> the private key must have 600. SSH refuses (silently) otherwise.</div></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>4) Windows users that use '''putty''' must be aware that '''putty''' has its own key format. Trying to read the OpenSSH key you have on Unix/Linux will fail. You have to ''import'' your key using '''puttygen''', then save the '''putty''' key. Alternatively you can create a key with '''puttygen''' <del class="diffchange diffchange-inline">and</del> <del class="diffchange diffchange-inline">generate</del> the public key <del class="diffchange diffchange-inline">from</del> <del class="diffchange diffchange-inline">this</del>.</div></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>4) Windows users that use '''putty''' must be aware that '''putty''' has its own key format. Trying to read the OpenSSH key you have on Unix/Linux will fail. You have to ''import'' your<ins class="diffchange diffchange-inline"> private</ins> key using '''puttygen''', then save the '''putty''' key. Alternatively you can create a key<ins class="diffchange diffchange-inline"> pair</ins> with '''puttygen'''<ins class="diffchange diffchange-inline">.</ins> <ins class="diffchange diffchange-inline">From</ins> <ins class="diffchange diffchange-inline">the puttygen window you can copy</ins> the public key <ins class="diffchange diffchange-inline">which then goes into the .ssh/authorized_keys dir on the remote</ins> <ins class="diffchange diffchange-inline">host</ins>.</div></td>
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</table>Lsdfadminhttps://wiki.scc.kit.edu/lsdf/index.php?title=SSH_Access&diff=2519&oldid=prevLsdfadmin at 20:23, 17 October 20142014-10-17T20:23:39Z<p></p>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></pre></div></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div></pre></div></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The jumphost has physical interfaces to the different consoles in the LSDF. Check with the admin of the jumphost to receive a login. He will ask you for your key (either private with password or public) that will be copied in your home directory of the 'jumphost'.</div></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The jumphost has physical interfaces to the different consoles in the LSDF. Check with the admin of the jumphost to receive a login. He will ask you for your key (either private with password or public) that will be copied in your home directory of the 'jumphost'.</div></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Common SSH problems ===</div></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Common SSH problems ===</div></td>
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</table>Lsdfadminhttps://wiki.scc.kit.edu/lsdf/index.php?title=SSH_Access&diff=2518&oldid=prevLsdfadmin at 20:23, 17 October 20142014-10-17T20:23:28Z<p></p>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Access to LSDF consoles and administrative interfaces is via SSH only. All administrative access is tunneled through a jumphost. Currently the jumphost is named <del class="diffchange diffchange-inline">'''scc-cn-r164.scc.kit.edu'''. The jumphost has physical interfaces to the different consoles in the LSDF. Check with the admin of the jumphost to receive a login. He will ask you for your key (either private with password or public) that will be copied in your home directory of the 'jumphost'.</del></div></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Access to LSDF consoles and administrative interfaces is via SSH only. All administrative access is tunneled through a jumphost. Currently the jumphost is named </div></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><pre></div></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>scc-cn-r164.scc.kit.edu</div></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div></pre></div></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>The jumphost has physical interfaces to the different consoles in the LSDF. Check with the admin of the jumphost to receive a login. He will ask you for your key (either private with password or public) that will be copied in your home directory of the 'jumphost'.</div></td>
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</table>Lsdfadminhttps://wiki.scc.kit.edu/lsdf/index.php?title=SSH_Access&diff=1922&oldid=prevJvw at 17:02, 1 September 20132013-09-01T17:02:11Z<p></p>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Common SSH problems ===</div></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>=== Common SSH problems ===</div></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Most people have already access to different machines using SSH. Here are some things that may be less known but help if you have trouble accessing machines via ssh<del class="diffchange diffchange-inline">:</del></div></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Most people have already access to different machines using SSH. Here are some things that may be less known but help if you have trouble accessing machines via ssh<ins class="diffchange diffchange-inline">. Especially if you are on Windows this may help.</ins></div></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>1) there are 2 different public (!) key file formats: OpenSSH and SSH2. Both formats use the same key encryption and you could use an editor to convert one format to the other. Per default ssh-keygen on UNIX/Linux generates a </div></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>1) there are 2 different public (!) key file formats: OpenSSH and SSH2. Both formats use the same key encryption<ins class="diffchange diffchange-inline"> sequence</ins> and you could use an editor to convert one format to the other. Per default ssh-keygen on UNIX/Linux generates a<ins class="diffchange diffchange-inline"> SSH protocol 2 format public key.</ins> </div></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>SSH protocol 2 format public key. </div></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>2) As said above, the private key is the same in both OpenSSH and SSH protocol 2</div></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>2) As said above, the private key<ins class="diffchange diffchange-inline"> sequence</ins> is the same in both OpenSSH and SSH protocol 2<ins class="diffchange diffchange-inline">. Its just the format that is different.</ins></div></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>3) Your permissions must be set very strict. .ssh must have 700, the private key file must have 600. SSH refuses (silently<del class="diffchange diffchange-inline"> </del>) otherwise.</div></td>
<td class="diff-marker">+</td>
<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>3) Your permissions must be set very strict. <ins class="diffchange diffchange-inline">'''</ins>.ssh<ins class="diffchange diffchange-inline">'''</ins> must have 700, the private key file must have 600. SSH refuses (silently) otherwise.</div></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>4) Windows users that use '''putty''' must be aware that '''putty''' has its own key format. Trying to read the OpenSSH key you have on Unix/Linux will fail. You have to ''import'' your key using '''puttygen''', then save the '''putty''' key. Alternatively you can create a key with '''puttygen''' and generate the public key from this.</div></td>
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</table>Jvwhttps://wiki.scc.kit.edu/lsdf/index.php?title=SSH_Access&diff=1921&oldid=prevJvw at 15:01, 30 August 20132013-08-30T15:01:31Z<p></p>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Access to LSDF consoles and administrative interfaces is via SSH only. All administrative access is tunneled through a jumphost. Currently the jumphost is named '''scc-cn-r164.scc.kit.edu'''. The jumphost has physical interfaces to the different consoles in the LSDF. Check with the admin of the jumphost to receive a login. He will ask you for your key (either private with password or public) that will be copied in your home directory of the 'jumphost'.</div></td>
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<td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Access to LSDF consoles and administrative interfaces is via SSH only. All administrative access is tunneled through a jumphost. Currently the jumphost is named '''scc-cn-r164.scc.kit.edu'''. The jumphost has physical interfaces to the different consoles in the LSDF. Check with the admin of the jumphost to receive a login. He will ask you for your key (either private with password or public) that will be copied in your home directory of the 'jumphost'.</div></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>=== Common SSH problems ===</div></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Most people have already access to different machines using SSH. Here are some things that may be less known but help if you have trouble accessing machines via ssh:</div></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>1) there are 2 different public (!) key file formats: OpenSSH and SSH2. Both formats use the same key encryption and you could use an editor to convert one format to the other. Per default ssh-keygen on UNIX/Linux generates a </div></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>2) As said above, the private key is the same in both OpenSSH and SSH protocol 2</div></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"></td>
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<td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>3) Your permissions must be set very strict. .ssh must have 700, the private key file must have 600. SSH refuses (silently ) otherwise.</div></td>
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</table>Jvwhttps://wiki.scc.kit.edu/lsdf/index.php?title=SSH_Access&diff=1920&oldid=prevJvw: Created page with "Access to LSDF consoles and administrative interfaces is via SSH only. All administrative access is tunneled through a jumphost. Currently the jumphost is named '''scc-cn-r164.sc…"2013-08-30T14:49:45Z<p>Created page with "Access to LSDF consoles and administrative interfaces is via SSH only. All administrative access is tunneled through a jumphost. Currently the jumphost is named '''scc-cn-r164.sc…"</p>
<p><b>New page</b></p><div>Access to LSDF consoles and administrative interfaces is via SSH only. All administrative access is tunneled through a jumphost. Currently the jumphost is named '''scc-cn-r164.scc.kit.edu'''. The jumphost has physical interfaces to the different consoles in the LSDF. Check with the admin of the jumphost to receive a login. He will ask you for your key (either private with password or public) that will be copied in your home directory of the 'jumphost'.</div>Jvw