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abstract:farber:system_access:system_access [2018-02-13 12:02] – [Accessing a cluster] sraskar | abstract:farber:system_access:system_access [2021-10-13 09:59] (current) – [Screen sessions] anita | ||
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- | This is Farber | + | ====== Connecting to Farber |
- | < | ||
- | ====== Accessing a cluster ===== | ||
- | |||
- | //This section uses the wiki's [[:# | ||
===== Secure shell program (SSH) ===== | ===== Secure shell program (SSH) ===== | ||
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</ | </ | ||
- | ==== Logging on the cluster ==== | ||
- | To initiate an SSH connection from a Mac/ | ||
- | the generic command | ||
- | '' | + | ===== Logging on to Farber ===== |
+ | You need a [[abstract: | ||
- | For example, | ||
<code bash> | <code bash> | ||
- | ssh -Y traine@mills.hpc.udel.edu | + | ssh traine@farber.hpc.udel.edu |
</ | </ | ||
- | This **ssh** command is on your local system. | + | Please refer to Windows |
+ | * [[: | ||
+ | * [[: | ||
- | <note tip> | ||
- | </ | ||
- | <note tip> | + | Once you are logged into Farber, your account is configured as a member of an investing-entity group name (workgroup) which determines access |
- | When using the recommended setup for [[general/ | + | |
- | </ | + | |
+ | <code bash> | ||
+ | workgroup -g it_css | ||
+ | </ | ||
+ | You will need to know [[: | ||
===== 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:// | |
- | ====== Next section ====== | + | |
- | [[03_filetransfer|Transferring files]] | + |