Differences
This shows you the differences between two versions of the page.
|
isc:info:virtualmachine [2023/10/15 20:39] florin.stancu |
isc:info:virtualmachine [2024/10/14 08:37] (current) mihai.ciocan1508 [OpenStack] |
||
|---|---|---|---|
| Line 19: | Line 19: | ||
| # first, check if a keypair already exists | # first, check if a keypair already exists | ||
| you@yourlaptop:~# ls -l ~/.ssh/ | you@yourlaptop:~# ls -l ~/.ssh/ | ||
| - | # if the files `id_rsa` and `id_rsa.pub` already exist, SKIP this next step: | + | # if the files `id_ed25519` and `id_ed25519.pub` already exist, SKIP this next step: |
| - | you@yourlaptop:~# ssh-keygen | + | you@yourlaptop:~# ssh-keygen -t ed25519 # use elliptic curves, better + shorter keys! |
| # answer the defaults (aka just press enter multiple times) | # answer the defaults (aka just press enter multiple times) | ||
| you@yourlaptop:~# ls -l ~/.ssh/ | you@yourlaptop:~# ls -l ~/.ssh/ | ||
| - | -rw------- 1 root root 2602 Oct 15 12:59 id_rsa # <-- THE PRIVATE KEY, keep secret! | + | -rw------- 1 root root 2602 Oct 15 12:59 id_ed25519 # <-- THE PRIVATE KEY, keep secret! |
| - | -rw-r--r-- 1 root root 571 Oct 15 12:59 id_rsa.pub # <-- your PUBLIC key to give away! | + | -rw-r--r-- 1 root root 571 Oct 15 12:59 id_ed25519.pub # <-- your PUBLIC key to give away! |
| - | # print and copy the private key (including the 'ssh-rsa' prefix!): | + | # print and copy the private key (including the 'ssh-ed25519' prefix!): |
| - | you@yourlaptop:~# cat ~/.ssh/id_rsa.pub | + | you@yourlaptop:~# cat ~/.ssh/id_ed25519.pub |
| - | ssh-rsa AAAAB3NzaC... # a very long line containing the public key number | + | ssh-ed25519 AAAAB3NzaC... # a very long line containing the public key number |
| </code> | </code> | ||
| * Now, connect to the university's frontend processor machine (FEP): <code bash> | * Now, connect to the university's frontend processor machine (FEP): <code bash> | ||
| Line 36: | Line 36: | ||
| [moodle.username@fep8 ~]$ mkdir -p ~/.ssh/ | [moodle.username@fep8 ~]$ mkdir -p ~/.ssh/ | ||
| [moodle.username@fep8 ~]$ nano ~/.ssh/authorized_keys | [moodle.username@fep8 ~]$ nano ~/.ssh/authorized_keys | ||
| - | # paste your public key, INCLUDING THE ssh-rsa prefix! | + | # paste your public key, INCLUDING THE ssh-ed25519 prefix! |
| # save, then exit! | # save, then exit! | ||
| </code> | </code> | ||
| Line 42: | Line 42: | ||
| * **DO NOT LOSE (or share) THE PRIVATE KEY ON YOUR PC!** It can be used to authenticate on your behalf on FEP (and possibly more servers you setup the key with)! | * **DO NOT LOSE (or share) THE PRIVATE KEY ON YOUR PC!** It can be used to authenticate on your behalf on FEP (and possibly more servers you setup the key with)! | ||
| * Now it's time to use [[https://cloud.grid.pub.ro/|OpenStack's Web UI]]! Open it in your browser, authenticate using ''login.upb.ro'', then: | * Now it's time to use [[https://cloud.grid.pub.ro/|OpenStack's Web UI]]! Open it in your browser, authenticate using ''login.upb.ro'', then: | ||
| - | * Compute -> Key Pairs -> Import Public Key, give it a suggestive name (e.g., "My Laptop"), set //Key Type// to ''SSH'' and paste your public key (contents of ''id_rsa.pub''). **Note**: you only need to do this once per your device's lifetime (redo only if you lose and re-generate the key!). | + | * Compute -> Key Pairs -> Import Public Key, give it a suggestive name (e.g., "My Laptop"), set //Key Type// to ''SSH'' and paste your public key (contents of ''id_ed25519.pub''). **Note**: you only need to do this once per your device's lifetime (redo only if you lose and re-generate the key!). |
| * One-time setup is over! Proceed to create a new Virtual Machine and connect to it using ssh (read the following steps). | * One-time setup is over! Proceed to create a new Virtual Machine and connect to it using ssh (read the following steps). | ||
| Line 49: | Line 49: | ||
| * Go to [[https://cloud.grid.pub.ro/]]. Click Compute -> Instances -> Launch Instance button! | * Go to [[https://cloud.grid.pub.ro/]]. Click Compute -> Instances -> Launch Instance button! | ||
| * Fill the Instance Name (use //your name + lab number// for law & order); | * Fill the Instance Name (use //your name + lab number// for law & order); | ||
| - | * Go to the **Source** page, search the Available section for ''ISC 2023'' then click the //up arrow// icon to select it; | + | * Go to the **Source** page, search the Available section for ''ISC 2024 rev1'' then click the //up arrow// icon to select it; |
| * From **Flavor**, choose ''m1.small'' (1GB RAM, 10GB disk should be enough); | * From **Flavor**, choose ''m1.small'' (1GB RAM, 10GB disk should be enough); | ||
| * From **Networks**, choose ''vlan9'' (click the //up arrow// icon); | * From **Networks**, choose ''vlan9'' (click the //up arrow// icon); | ||
