iridium_cluster:howtos_users
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iridium_cluster:howtos_users [2013/08/27 18:54] florido |
iridium_cluster:howtos_users [2013/10/15 15:57] (current) florido [Assigned Nodes] |
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| Where X and Y is the nodes you're allowed to run. | Where X and Y is the nodes you're allowed to run. | ||
| - | note that with the above you will be requested to add as many password as each connection. For the moment being there is no way of making it better. Copying ssh keys to the gateway is not (yet) possible. | + | note that with the above you will be requested to input as many password as the number of machines in the connection. A way to ease this pain is to [[##speedup_login_by_using_ssh_keys|copy ssh keys to the nodes.]] |
| + | Copying ssh keys to the gateway is not (yet) possible, hence you will always need two passwords: one for the ssh key and one for the gateway. | ||
| === Nuclear Physics === | === Nuclear Physics === | ||
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| ==== Speedup login by using ssh keys ==== | ==== Speedup login by using ssh keys ==== | ||
| - | An alternative method of authenticating via ssh is by using ssh keys. Read about it here: | + | An alternative method of authenticating via ssh is by using ssh keys. It will ease the pain of writing many passwords. The only password you will need is to unlock your key. |
| + | |||
| + | :!: ** PLEASE DO NOT USE PASSWORDLESS KEYS. IT IS A GREAT SECURITY RISK. ** :!: | ||
| + | |||
| + | Read about them here: | ||
| https://wiki.archlinux.org/index.php/SSH_Keys | https://wiki.archlinux.org/index.php/SSH_Keys | ||
| + | |||
| ==== How not to loose all your job because you closed a ssh terminal ==== | ==== How not to loose all your job because you closed a ssh terminal ==== | ||
| - | Use **screen**. GNU screen is an amazing tool that opens a remote terminal that is independent on your ssh connection. If the connection drops or you accidentally close the ssh window, it will still run your jobs on the cluster. | + | Use **screen**. //GNU screen// is an amazing tool that opens a remote terminal that is independent on your ssh connection. If the connection drops or you accidentally close the ssh window, it will still run your jobs on the cluster. |
| - | A quick and dirty tutorial can be read [[here]], but there's plenty more on the internet. | + | A quick and dirty tutorial can be read [[:it_tips#screen|here]], but there's plenty more on the internet. |
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| ^Researcher^ nodes ^ | ^Researcher^ nodes ^ | ||
| ^Pico | n1, [[n7]] | | ^Pico | n1, [[n7]] | | ||
| - | ^Jingwei | n2, n8 | | + | ^Lene | n2, n8 | |
| + | ^Oleksandr | n6, n12 | | ||
| ^Anthony | n3, n9 | | ^Anthony | n3, n9 | | ||
| ^Anders | n4, n10 | | ^Anders | n4, n10 | | ||
iridium_cluster/howtos_users.1377629693.txt.gz · Last modified: 2013/08/27 18:54 by florido
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