From f65dd8c09339eb96abd051ada5616173034e10ba Mon Sep 17 00:00:00 2001 From: Martin Schroschk <martin.schroschk@tu-dresden.de> Date: Thu, 15 Jul 2021 13:13:28 +0200 Subject: [PATCH] Improve markdown --- doc.zih.tu-dresden.de/docs/access/login.md | 80 ++++++++++++---------- 1 file changed, 42 insertions(+), 38 deletions(-) diff --git a/doc.zih.tu-dresden.de/docs/access/login.md b/doc.zih.tu-dresden.de/docs/access/login.md index f15efa68b..e0e14500f 100644 --- a/doc.zih.tu-dresden.de/docs/access/login.md +++ b/doc.zih.tu-dresden.de/docs/access/login.md @@ -1,50 +1,48 @@ # Login to the High Performance Computers -The best way to login to the linux machines is via ssh. From a Linux -console, the command syntax is `ssh user@host`. The additional option -\<span>-X\</span>C enables X11 forwarding for graphical applications -(the -C enables compression which usually improves usability in this -case). +The best way to login to the Linux machines is via ssh. From a Linux console, the command syntax is +`ssh user@host`. The additional option `-XC` enables X11 forwarding for graphical applications (the +`-C` enables compression which usually improves usability in this case). The following table gives an overview of all clusters. -| Hostname | Description | +| Host name | Description | |:--------------------------|:--------------------| | taurus.hrsk.tu-dresden.de | BULL system - SLURM | -**Attention:** For security reasons, this port is only accessible for -hosts within the domains of TU Dresden. Guests from other research -institutes can use the +**Attention:** For security reasons, this port is only accessible for hosts within the domains of TU +Dresden. Guests from other research institutes can use the [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 -pages <http://www.tu-dresden.de/zih>. +gateway of the ZIH. Information on these topics can be found on our web pages +<http://www.tu-dresden.de/zih>. ## 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: -- easy to use -- graphical user interface -- file transfer via drag and drop +- easy to use +- graphical user interface +- 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 -accept the following encryption algorithms: -*aes128-ctr,aes192-ctr,aes256-ctr,<aes128-gcm@openssh.com>,<aes256-gcm@openssh.com>,<chacha20-poly1305@openssh.com>,<chacha20-poly1305@openssh.com>* +**Attention:** Please use an up-to-date SSH client. The login nodes accept the following encryption +algorithms: `aes128-ctr`, `aes192-ctr`, `aes256-ctr`, `aes128-gcm@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 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 -host by the fingerprint: +If you connect for the fist time, the client will ask you to verify the host by the fingerprint: -``` bash +```Bash 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. RSA key fingerprint is SHA256:HjpVeymTpk0rqoc8Yvyc8d9KXQ/p2K0R8TJ27aFnIL8. @@ -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 they match you can type "yes". -<span class="twiki-macro TABLE" caption="Fingerprints"></span> - -| Host | Fingerprint | -|:----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|:---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| -| 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) | -| 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) | +| Host | Fingerprint | +|:--------------------------|:----------------------| +| tauruslogin3.hrsk.tu-dresden.de | SHA256:/M1lW1KTOlxj8UFZJS4tLi+8TyndcDqrZfLGX7KAU8s (RSA) | +| tauruslogin4.hrsk.tu-dresden.de | SHA256:PeCpW/gAFLvHDzTP2Rb93NxD+rpUsyQY8WebjQC7kz0 (ECDSA) | +| tauruslogin5.hrsk.tu-dresden.de | SHA256:nNxjtCny1kB0N0epHaOPeY1YFd0ri2Dvt2CK7rOGlXg (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 -Use a VPN (virtual private network) to enter the campus network, which -allows you to connect directly to the HPC login servers. +Use a VPN (Virtual Private Network) to enter the campus network, which allows you to connect +directly to the HPC login servers. -For more information on our VPN and how to set it up, please visit the -corresponding [ZIH service catalogue -page](https://tu-dresden.de/zih/dienste/service-katalog/arbeitsumgebung/zugang_datennetz/vpn). +For more information on our VPN and how to set it up, please visit the corresponding +[ZIH service catalogue page](https://tu-dresden.de/zih/dienste/service-katalog/arbeitsumgebung/zugang_datennetz/vpn). ### Access using JupyterHub -A JupyterHub installation offering IPython Notebook is available under: - -<https://taurus.hrsk.tu-dresden.de/jupyter> +A JupyterHub installation offering IPython Notebook is available under +https://taurus.hrsk.tu-dresden.de/jupyter See the documentation under [JupyterHub](../access/jupyterhub.md). -- GitLab