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abstract:caviness:system_access:system_access [2019-01-07 16:34] – ssunkara | abstract:caviness:system_access:system_access [2021-10-26 15:28] (current) – [Secure shell program (SSH)] anita | ||
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Use a secure shell program/ | Use a secure shell program/ | ||
program to move files to and from the cluster. | program to move files to and from the cluster. | ||
- | |||
- | Please refer to Windows and Mac/Linux related sections for specific details: | ||
- | * [[: | ||
- | * [[: | ||
- | |||
There are many suitable secure clients for Windows, Mac OS X, and UNIX/Linux. We recommend PuTTY and Xming for Windows users. Macintosh and UNIX/Linux users can use their pre-installed SSH and X11 software. (Newer versions of Mac OS X may not have a current version of X11 installed. See the Apple web site for | There are many suitable secure clients for Windows, Mac OS X, and UNIX/Linux. We recommend PuTTY and Xming for Windows users. Macintosh and UNIX/Linux users can use their pre-installed SSH and X11 software. (Newer versions of Mac OS X may not have a current version of X11 installed. See the Apple web site for | ||
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files in the '' | files in the '' | ||
</ | </ | ||
+ | |||
+ | Please refer to Windows and Mac/Linux related sections for specific details using the command line on your local computer: | ||
+ | * [[: | ||
+ | * [[: | ||
===== Logging on to Caviness ===== | ===== Logging on to Caviness ===== | ||
- | You need a [[abstract: | + | You need a [[abstract: |
<code bash> | <code bash> | ||
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 | ||
</ | </ | ||
- | To learn about launching GUI applications | + | You may set up direct SSH key authentication |
- | Once you are logged into Caviness, your account is configured as a member of an investing-entity group name (workgroup) which determines access to your group' | + | Once you are logged into Caviness, your account is configured as a member of an investing-entity group name ([[abstract: |
<code bash> | <code bash> | ||
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</ | </ | ||
- | You will need to know [[: | + | Please review all the information regarding your computing environment especially the [[abstract: |
+ | |||
+ | To learn about launching GUI applications on Caviness from a Windows machine, refer to [[abstract: | ||
+ | |||
+ | <note important> | ||
===== 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:// | ||