diff --git a/doc.zih.tu-dresden.de/docs/access/key_fingerprints.md b/doc.zih.tu-dresden.de/docs/access/key_fingerprints.md index 22fa2f518564ea47caa789bcc34fb9f8b3bcd679..487f963ad850312446e64587b1649ec6c8990180 100644 --- a/doc.zih.tu-dresden.de/docs/access/key_fingerprints.md +++ b/doc.zih.tu-dresden.de/docs/access/key_fingerprints.md @@ -5,27 +5,35 @@ The key fingerprints of login and export nodes can occasionally change. This page holds up-to-date fingerprints. -## Login Nodes - -Each cluster can be accessed via Login Nodes using specific hostnames. All login nodes of a cluster -share common keys. When connecting, please make sure that the fingerprint shown, matches one of the -table. +Each cluster can be accessed via so-called **login nodes** using specific hostnames. All login nodes +of a cluster share common SSH key fingerprints that are unique. When connecting to one of our HPC +systems via the corresponding login nodes, please make sure that the provided fingerprint matches +one of the table. This is the only way to ensure you are connecting to the correct server from the +very beginning. If the **fingerprint differs**, please contact the +[HPC support team](../support/support.md). In case an additional login node of the same cluster is used, the key needs to be checked and approved again. -### Barnard +??? example "Connecting with SSH to Barnard" -The following hostnames can be used to access the Barnard cluster: + ```console + marie@local$ ssh login1.barnard.hpc.tu-dresden.de + The authenticity of host 'login1.barnard.hpc.tu-dresden.de (172.24.95.28)' can't be established. + ECDSA key fingerprint is SHA256:8Coljw7yoVH6HA8u+K3makRK9HfOSfe+BG8W/CUEPp0. + Are you sure you want to continue connecting (yes/no)? + ``` -- `login1.barnard.hpc.tu-dresden.de` -- `login2.barnard.hpc.tu-dresden.de` -- `login3.barnard.hpc.tu-dresden.de` -- `login4.barnard.hpc.tu-dresden.de` + In this case, the fingerprint matches the one given in the table. Thus, you can proceed by + typing 'yes'. + +### Barnard -#### login[1-4].barnard.hpc.tu-dresden.de +The cluster [Barnard](../jobs_and_resources/barnard.md) can be accessed via the four login +nodes `login[1-4].barnard.hpc.tu-dresden.de`. (Please choose one concrete login node when +connecting, see example below.) -| Key type | Fingerprint | +| Key Type | Fingerprint | |:---------|:----------------------------------------------------| | RSA | SHA256:lVQOvnci07jkxmFnX58pQf3cD7lz1mf4K4b9jZrAlVU | | RSA | MD5:5b:39:ae:03:3a:60:15:21:4b:e8:ba:72:52:b8:a1:ad | @@ -33,30 +41,15 @@ The following hostnames can be used to access the Barnard cluster: | ECDSA | MD5:02:fd:ab:c8:39:f9:94:cc:3f:e0:7e:78:5f:76:b8:4c | | ED25519 | SHA256:Gn4n5IX9eEvkpOGrtZzs9T9yAfJUB200bgRchchiKAQ | | ED25519 | MD5:e8:10:96:67:e8:4c:fd:87:f0:c6:4e:e8:1f:53:a9:be | -{: summary="List of valid fingerprints for Barnard login[1-4] node"} - -??? example "Connecting with SSH" - - ```console - marie@local$ ssh login1.barnard.hpc.tu-dresden.de - The authenticity of host 'login1.barnard.hpc.tu-dresden.de (172.24.95.28)' can't be established. - ECDSA key fingerprint is SHA256:8Coljw7yoVH6HA8u+K3makRK9HfOSfe+BG8W/CUEPp0. - Are you sure you want to continue connecting (yes/no)? - ``` - - In this case, the fingerprint matches the one given in the table. Thus, one can proceed by - typing 'yes'. +{: summary="List of valid fingerprints for Barnard login[1-4] nodes"} ### Romeo -The following hostnames can be used to access the Romeo cluster: +The cluster [Romeo](../jobs_and_resources/romeo.md) can be accessed via the two +login nodes `login[1-2].romeo.hpc.tu-dresden.de`. (Please choose one concrete login node when +connecting, see example below.) -- `login1.romeo.hpc.tu-dresden.de` -- `login2.romeo.hpc.tu-dresden.de` - -#### login[1-2].romeo.hpc.tu-dresden.de - -| Key type | Fingerprint | +| Key Type | Fingerprint | |:---------|:----------------------------------------------------| | RSA | | | RSA | | @@ -68,14 +61,11 @@ The following hostnames can be used to access the Romeo cluster: ### Alpha Centauri -The following hostnames can be used to access the Alpha Centauri cluster: - -- `login1.alpha.hpc.tu-dresden.de` -- `login2.alpha.hpc.tu-dresden.de` +The cluster [Alpha Centauri](../jobs_and_resources/alpha_centauri.md) can be accessed via the two +login nodes `login[1-2].alpha.hpc.tu-dresden.de`. (Please choose one concrete login node when +connecting, see example below.) -#### login[1-2].alpha.hpc.tu-dresden.de - -| Key type | Fingerprint | +| Key Type | Fingerprint | |:---------|:----------------------------------------------------| | RSA | | | RSA | | @@ -87,13 +77,10 @@ The following hostnames can be used to access the Alpha Centauri cluster: ### Julia -The following hostname can be used to access the Julia SMP system: - -- `smp8.julia.hpc.tu-dresden.de` - -#### smp8.julia.hpc.tu-dresden.de +The cluster [Julia](../jobs_and_resources/julia.md) can be accessed via `julia.hpc.tu-dresden.de`. +(Note, there is no separate login node.) -| Key type | Fingerprint | +| Key Type | Fingerprint | |:---------|:----------------------------------------------------| | RSA | | | RSA | | @@ -105,42 +92,38 @@ The following hostname can be used to access the Julia SMP system: ### IBM Power9 -The following hostnames can be used to access the IBM Power9 cluster: +The cluster [Power9](../jobs_and_resources/power9.md) can be accessed via the four Taurus login +nodes `tauruslogin[3-6].hrsk.tu-dresden.de` or shortly `taurus.hrsk.tu-dresden.de`. +All of these login nodes share common keys. When connecting, please make sure that the fingerprint +shown matches one of the table. -- `login1.power9.hpc.tu-dresden.de` -- `login2.power9.hpc.tu-dresden.de` - -#### login[1-2].power9.hpc.tu-dresden.de - -| Key type | Fingerprint | +| Key Type | Fingerprint | |:---------|:----------------------------------------------------| -| RSA | | -| RSA | | -| ECDSA | | -| ECDSA | | -| ED25519 | | -| ED25519 | | -{: summary="List of valid fingerprints for IBM Power9 login node"} +| RSA | SHA256:/M1lW1KTOlxj8UFZJS4tLi+8TyndcDqrZfLGX7KAU8s | +| RSA | MD5:b8:e1:21:ed:38:1a:ba:1a:5b:2b:bc:35:31:62:21:49 | +| ECDSA | SHA256:PeCpW/gAFLvHDzTP2Rb93NxD+rpUsyQY8WebjQC7kz0 | +| ECDSA | MD5:47:7e:24:46:ab:30:59:2c:1f:e8:fd:37:2a:5d:ee:25 | +| ED25519 | SHA256:nNxjtCny1kB0N0epHaOPeY1YFd0ri2Dvt2CK7rOGlXg | +| ED25519 | MD5:7c:0c:2b:8b:83:21:b2:08:19:93:6d:03:80:76:8a:7b | +{: summary="List of valid fingerprints for login nodes"} -## Export Nodes !! yet to be updated!! +## Export Nodes All of these export nodes share common keys. When transfering files, please make sure that the fingerprint shown matches one of the table. The following hostnames can be used to transfer files to/from ZIH systems: -- `export.hpc.tu-dresden.de` -- `export.hpc.tu-dresden.de` -- `export.hpc.tu-dresden.de` +- `taurusexport.hpc.tu-dresden.de` +- `taurusexport3.hrsk.tu-dresden.de` +- `taurusexport4.hrsk.tu-dresden.de` -### ...[?-?].export.hpc.tu-dresden.de - -| Key type | Fingerprint | +| Key Type | Fingerprint | |:---------|:----------------------------------------------------| -| RSA | | -| RSA | | -| ECDSA | | -| ECDSA | | -| ED25519 | | -| ED25519 | | +| RSA | SHA256:Qjg79R+5x8jlyHhLBZYht599vRk+SujnG1yT1l2dYUM | +| RSA | MD5:1e:4c:2d:81:ee:58:1b:d1:3c:0a:18:c4:f7:0b:23:20 | +| ECDSA | SHA256:qXTZnZMvdqTs3LziA12T1wkhNcFqTHe59fbbU67Qw3g | +| ECDSA | MD5:96:62:c6:80:a8:1f:34:64:86:f3:cf:c5:9b:cd:af:da | +| ED25519 | SHA256:jxWiddvDe0E6kpH55PHKF0AaBg/dQLefQaQZ2P4mb3o | +| ED25519 | MD5:fe:0a:d2:46:10:4a:08:40:fd:e1:99:b7:f2:06:4f:bc | {: summary="List of valid fingerprints for export nodes"}