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# Login to the High Performance Computers # Login to the High Performance Computers
The best way to login to the linux machines is via ssh. From a Linux The best way to login to the Linux machines is via ssh. From a Linux console, the command syntax is
console, the command syntax is `ssh user@host`. The additional option `ssh user@host`. The additional option `-XC` enables X11 forwarding for graphical applications (the
\<span>-X\</span>C enables X11 forwarding for graphical applications `-C` enables compression which usually improves usability in this case).
(the -C enables compression which usually improves usability in this
case).
The following table gives an overview of all clusters. The following table gives an overview of all clusters.
| Hostname | Description | | Host name | Description |
|:--------------------------|:--------------------| |:--------------------------|:--------------------|
| taurus.hrsk.tu-dresden.de | BULL system - SLURM | | taurus.hrsk.tu-dresden.de | BULL system - SLURM |
**Attention:** For security reasons, this port is only accessible for **Attention:** For security reasons, this port is only accessible for hosts within the domains of TU
hosts within the domains of TU Dresden. Guests from other research Dresden. Guests from other research institutes can use the
institutes can use the
[VPN](https://tu-dresden.de/zih/dienste/service-katalog/arbeitsumgebung/zugang_datennetz/vpn) [VPN](https://tu-dresden.de/zih/dienste/service-katalog/arbeitsumgebung/zugang_datennetz/vpn)
gateway of the ZIH. Information on these topics can be found on our web gateway of the ZIH. Information on these topics can be found on our web pages
pages <http://www.tu-dresden.de/zih>. <http://www.tu-dresden.de/zih>.
## Access from a Windows workstation ## Access from a Windows workstation
We suggest Windows users use MobaXTerm. **TODO Link MobaXterm**. We suggest Windows users use MobaXTerm. **TODO Link MobaXTerm**.
Benefits of MobaXTerm include: Benefits of MobaXTerm include:
- easy to use - easy to use
- graphical user interface - graphical user interface
- file transfer via drag and drop - file transfer via drag and drop
## Access from a Linux workstation ## Access from a Linux Workstation
### SSH access ### SSH Access
**Attention:** Please use an up-to-date SSH client. The login nodes **Attention:** Please use an up-to-date SSH client. The login nodes accept the following encryption
accept the following encryption algorithms: algorithms: `aes128-ctr`, `aes192-ctr`, `aes256-ctr`, `aes128-gcm@openssh.com`,
*aes128-ctr,aes192-ctr,aes256-ctr,<aes128-gcm@openssh.com>,<aes256-gcm@openssh.com>,<chacha20-poly1305@openssh.com>,<chacha20-poly1305@openssh.com>* `aes256-gcm@openssh.com`, `chacha20-poly1305@openssh.com`, `chacha20-poly1305@openssh.com`
If your workstation is within the campus network, you can connect to the If your workstation is within the campus network, you can connect to the
HPC login servers directly, e.g., for Taurus: HPC login servers directly, e.g., for Taurus:
ssh <zih-login>@taurus.hrsk.tu-dresden.de ```Bash
ssh <zih-login>@taurus.hrsk.tu-dresden.de
```
If you connect for the fist time, the client will ask you to verify the If you connect for the fist time, the client will ask you to verify the host by the fingerprint:
host by the fingerprint:
``` bash ```Bash
user@pc:~# ssh <zih-login>@taurus.hrsk.tu-dresden.de user@pc:~# ssh <zih-login>@taurus.hrsk.tu-dresden.de
The authenticity of host 'taurus.hrsk.tu-dresden.de (141.30.73.104)' can't be established. The authenticity of host 'taurus.hrsk.tu-dresden.de (141.30.73.104)' can't be established.
RSA key fingerprint is SHA256:HjpVeymTpk0rqoc8Yvyc8d9KXQ/p2K0R8TJ27aFnIL8. RSA key fingerprint is SHA256:HjpVeymTpk0rqoc8Yvyc8d9KXQ/p2K0R8TJ27aFnIL8.
...@@ -54,26 +52,32 @@ Are you sure you want to continue connecting (yes/no)? ...@@ -54,26 +52,32 @@ Are you sure you want to continue connecting (yes/no)?
Compare this fingerprint with the fingerprints in the table below. If Compare this fingerprint with the fingerprints in the table below. If
they match you can type "yes". they match you can type "yes".
<span class="twiki-macro TABLE" caption="Fingerprints"></span> | Host | Fingerprint |
|:--------------------------|:----------------------|
| Host | Fingerprint | | tauruslogin3.hrsk.tu-dresden.de | SHA256:/M1lW1KTOlxj8UFZJS4tLi+8TyndcDqrZfLGX7KAU8s (RSA) |
|:----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|:---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | tauruslogin4.hrsk.tu-dresden.de | SHA256:PeCpW/gAFLvHDzTP2Rb93NxD+rpUsyQY8WebjQC7kz0 (ECDSA) |
| tauruslogin3.hrsk.tu-dresden.de\<br />tauruslogin4.hrsk.tu-dresden.de\<br />tauruslogin5.hrsk.tu-dresden.de\<br />tauruslogin6.hrsk.tu-dresden.de\<br />taurus.hrsk.tu-dresden.de | SHA256:/M1lW1KTOlxj8UFZJS4tLi+8TyndcDqrZfLGX7KAU8s (RSA)\<br />SHA256:PeCpW/gAFLvHDzTP2Rb93NxD+rpUsyQY8WebjQC7kz0 (ECDSA)\<br />SHA256:nNxjtCny1kB0N0epHaOPeY1YFd0ri2Dvt2CK7rOGlXg (ED25519)\<br /> or:\<br /> MD5:b8:e1:21:ed:38:1a:ba:1a:5b:2b:bc:35:31:62:21:49 (RSA)\<br />MD5:47:7e:24:46:ab:30:59:2c:1f:e8:fd:37:2a:5d:ee:25 (ECDSA)\<br />MD5:7c:0c:2b:8b:83:21:b2:08:19:93:6d:03:80:76:8a:7b (ED25519) | | tauruslogin5.hrsk.tu-dresden.de | SHA256:nNxjtCny1kB0N0epHaOPeY1YFd0ri2Dvt2CK7rOGlXg (ED25519) |
| taurusexport.hrsk.tu-dresden.de\<br /> taurusexport3.hrsk.tu-dresden.de\<br /> taurusexport4.hrsk.tu-dresden.de | SHA256:Qjg79R+5x8jlyHhLBZYht599vRk+SujnG1yT1l2dYUM (RSA)\<br />SHA256:qXTZnZMvdqTs3LziA12T1wkhNcFqTHe59fbbU67Qw3g (ECDSA)\<br />SHA256:jxWiddvDe0E6kpH55PHKF0AaBg/dQLefQaQZ2P4mb3o (ED25519)\<br /> or:\<br />MD5:1e:4c:2d:81:ee:58:1b:d1:3c:0a:18:c4:f7:0b:23:20 (RSA)\<br />MD5:96:62:c6:80:a8:1f:34:64:86:f3:cf:c5:9b:cd:af:da (ECDSA)\<br />MD5:fe:0a:d2:46:10:4a:08:40:fd:e1:99:b7:f2:06:4f:bc (ED25519) | | tauruslogin6.hrsk.tu-dresden.de | or: MD5:b8:e1:21:ed:38:1a:ba:1a:5b:2b:bc:35:31:62:21:49 (RSA) |
| taurus.hrsk.tu-dresden.de | MD5:47:7e:24:46:ab:30:59:2c:1f:e8:fd:37:2a:5d:ee:25 (ECDSA) |
| | MD5:7c:0c:2b:8b:83:21:b2:08:19:93:6d:03:80:76:8a:7b (ED25519) |
| taurusexport.hrsk.tu-dresden.de | SHA256:Qjg79R+5x8jlyHhLBZYht599vRk+SujnG1yT1l2dYUM (RSA) |
| taurusexport3.hrsk.tu-dresden.de | SHA256:qXTZnZMvdqTs3LziA12T1wkhNcFqTHe59fbbU67Qw3g (ECDSA) |
| taurusexport4.hrsk.tu-dresden.de | SHA256:jxWiddvDe0E6kpH55PHKF0AaBg/dQLefQaQZ2P4mb3o (ED25519) |
| | or: MD5:1e:4c:2d:81:ee:58:1b:d1:3c:0a:18:c4:f7:0b:23:20 (RSA) |
| | MD5:96:62:c6:80:a8:1f:34:64:86:f3:cf:c5:9b:cd:af:da (ECDSA) |
| | MD5:fe:0a:d2:46:10:4a:08:40:fd:e1:99:b7:f2:06:4f:bc (ED25519) |
From outside the TUD campus network From outside the TUD campus network
Use a VPN (virtual private network) to enter the campus network, which Use a VPN (Virtual Private Network) to enter the campus network, which allows you to connect
allows you to connect directly to the HPC login servers. directly to the HPC login servers.
For more information on our VPN and how to set it up, please visit the For more information on our VPN and how to set it up, please visit the corresponding
corresponding [ZIH service catalogue [ZIH service catalogue page](https://tu-dresden.de/zih/dienste/service-katalog/arbeitsumgebung/zugang_datennetz/vpn).
page](https://tu-dresden.de/zih/dienste/service-katalog/arbeitsumgebung/zugang_datennetz/vpn).
### Access using JupyterHub ### Access using JupyterHub
A JupyterHub installation offering IPython Notebook is available under: A JupyterHub installation offering IPython Notebook is available under
https://taurus.hrsk.tu-dresden.de/jupyter
<https://taurus.hrsk.tu-dresden.de/jupyter>
See the documentation under [JupyterHub](../access/jupyterhub.md). See the documentation under [JupyterHub](../access/jupyterhub.md).
doc.zih.tu-dresden.de/mkdocs.yml
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...@@ -144,10 +144,9 @@ site_name: ZIH HPC Compendium ...@@ -144,10 +144,9 @@ site_name: ZIH HPC Compendium
site_description: ZIH HPC Compendium site_description: ZIH HPC Compendium
site_author: ZIH Team site_author: ZIH Team
site_dir: public site_dir: public
site_url: https://gitlab.hrz.tu-chemnitz.de/hpcsupport/hpc-compendium site_url: https://gitlab.hrz.tu-chemnitz.de/zih/hpc-compendium/hpc-compendium
# uncomment next 3 lines if link to repo should not be displayed in the navbar
repo_name: GitLab hpc-compendium repo_name: GitLab hpc-compendium
repo_url: https://gitlab.hrz.tu-chemnitz.de/hpcsupport/hpc-compendium repo_url: https://gitlab.hrz.tu-chemnitz.de/zih/hpc-compendium/hpc-compendium
edit_uri: blob/master/docs/ edit_uri: blob/master/docs/
# Configuration # Configuration
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