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abstract:caviness:system_access:system_access [2021-02-17 16:30] – [Logging on to Caviness] anita | abstract:caviness:system_access:system_access [2021-10-26 15:28] (current) – [Secure shell program (SSH)] anita | ||
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</ | </ | ||
- | Please refer to Windows and Mac/Linux related sections for specific details: | + | Please refer to Windows and Mac/Linux related sections for specific details |
* [[: | * [[: | ||
* [[: | * [[: | ||
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ssh traine@caviness.hpc.udel.edu | ssh traine@caviness.hpc.udel.edu | ||
</ | </ | ||
+ | or if you need you use X-Windows requiring X11 forwarding, then use | ||
+ | <code bash> | ||
+ | ssh -Y traine@caviness.hpc.udel.edu | ||
+ | </ | ||
+ | |||
+ | You may set up direct SSH key authentication on Caviness once you are on the system by adding the desired public key to your authorized_keys file in the .ssh directory inside your home directory. Once you have a SSH key set up this way, you can access Caviness directly by running '' | ||
Once you are logged into Caviness, your account is configured as a member of an investing-entity group name ([[abstract: | Once you are logged into Caviness, your account is configured as a member of an investing-entity group name ([[abstract: | ||
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===== Screen sessions ===== | ===== Screen sessions ===== | ||
- | When an ssh session is ended intentionally or by a loss of connectivity, | + | When an SSH session is ended intentionally or by a loss of connectivity, |
- | restart it and resume your work. The UNIX **screen** command provides a useful solution. This | + | command creates a virtual terminal window session that continues to run after you are logged off. It allows you to reattach the same virtual terminal window session and resume working. |
- | command creates a virtual terminal window session that continues to run after you are logged off. It | + | |
- | allows you to reattach the same virtual terminal window session and resume working. | + | |
- | See the **man** page for **screen** for details. | + | |
<note tip> | <note tip> | ||
- | Suppose you have a significant amount of interactive work to be done on the cluster, but you have a interruption coming up shortly, such as lunch. | + | Suppose you have a significant amount of interactive work to be done on the cluster, but you have an interruption coming up shortly, such as lunch. |
You can start a screen session and work until lunchtime. | You can start a screen session and work until lunchtime. | ||
</ | </ | ||
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</ | </ | ||
+ | See the **man** page for **screen** for details or review a short video [[https:// | ||