Differences

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--- skill-tree:use:1:5:b [2020/06/07 17:23] – [Outcomes] luciana
+++ skill-tree:use:1:5:b [2020/07/19 21:27] (current) – lucy
@@ Line 2: / Line 2: @@
 # Background
-A HPC system is accessed remotely and has its own file systems that contain data and programs to execute.
+An HPC system is accessed remotely and has its particular file systems that contain data and programs to execute.
-Learning the ways of general interaction with the remote system and tools involved is essential for newcomers.
+Learning the ways of general interaction with the remote system and the tools involved is essential for newcomers.
-Users must connect to a HPC system typically using the Secure Shell (SSH) which then starts a shell and allows for interactive access.
+Users must connect to an HPC system typically using the Secure Shell (SSH), which then starts a shell and allows the interactive access.
-When the user disconnects such a session is terminated.
+When the user disconnects, such a session is terminated.
-Starting of a server-sided session that persists after disconnection enables to execute long-running programs remotely and allows to seamlessly continue on a  previous session.
+A server-sided session that persists after disconnection enables the user to execute long-running programs remotely and allows the continuation of a previous session seamlessly.
-Data transfer between a local users system (e.g., desktop or laptop) and remote system requires special tools and allows even for interactive access.
+Data transfer between a local user system (e.g., desktop or laptop) and a remote system requires special tools.
+Interactive access is also allowed.
-Tools discussed are generally valid for user systems using Linux, Mac, and Windows but also mobile devices.
+The tools discussed here are generally valid for systems using Linux, Mac, Windows, and also mobile devices.
 # Aim
@@ Line 16: / Line 17: @@
 # Outcomes
-  * Describe how SSH-authentication works
+  * Describe how SSH-authentication works:
-    - Password authentication
+    * Password authentication.
-    - Public-Key authentication
+    * Public-key authentication.
-    - The role of an authentication agent and the security implications
+    * The role of an authentication agent and the security implications.
-  * Generate an SSH public/private key under Linux
+  * Generate an SSH public/private key under Linux.
-  * Register a key for public-key authentication using ssh-copy-id
+  * Register a key for public-key authentication using ssh-copy-id.
-  * Perform a remote login from Linux using SSH
+  * Perform a remote login from Linux using SSH.
-  * Know when to use and how to create a config file
+  * Use SSH-agent or Windows equivalents.
-  * Utilize tools to transfer data between local and remote system
+  * Use Agent forwarding to connect to a third HPC system from an HPC system that you logged into with ssh from your computer.
-    - scp
+  * Know when to use and how to create a config file.
-    - sftp
+  * Utilize tools to transfer data between the local and remote system:
-    - rsync (-avz)
+    * scp
-  * Describe how SSHFS allows to mount a remote directory to a local directory for interactive usage (Mac/Linux only)
+    * sftp
-  * Utilize screen and tmux to preserve a session between logins
+    * rsync (-avz)
-    - Creation of a session
+  * Describe how SSHFS allows mounting a remote directory to a local directory for interactive usage (Mac/Linux only), e.g. for copying files or to transparently use your favourite graphical text editor on the local computer for editing files on the remote cluster.
-    - Detaching from the current session
+  * Utilize screen and tmux to preserve a session between logins:
-    - Resuming a previous session
+    * Creation of a session.
+    * Detaching from the current session.
+    * Resuming a previous session.
 # Subskills
+  * [[skill-tree:sd:1:2:5:1:1:3:1:b]]