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student:stu:basics [2022/09/04 08:36] – bernstdhstudent:stu:basics [2024/11/11 14:44] (current) – Avoid idle timeouts morrispj
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 === Keypairs === === Keypairs ===
 You can avoid the need to authenticate yourself (with your eID and password) each time you login [[ student:utilities:start:keypairs | using a public/private key pair]]. This is particularly useful when using another protocol (e.g., Subversion or Git) on top of SSH. You can avoid the need to authenticate yourself (with your eID and password) each time you login [[ student:utilities:start:keypairs | using a public/private key pair]]. This is particularly useful when using another protocol (e.g., Subversion or Git) on top of SSH.
 +
 +=== Timeout ===
 +Add the following to your ~/.ssh/config file if you are getting disconnected from stu due to an idle timeout:
 +<code>
 +Host *
 +    TCPKeepAlive yes
 +    ServerAliveInterval 15
 +</code>
  
 ==== Accessing Lab Computers==== ==== Accessing Lab Computers====
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 ^ Room         ^ Hostname Range          ^ ^ Room         ^ Hostname Range          ^
 | ISAT/CS 248 | L248{01..32}.cs.jmu.edu | | ISAT/CS 248 | L248{01..32}.cs.jmu.edu |
-| ISAT/CS 250 | L250{01..33}.cs.jmu.edu |+| ISAT/CS 250 | L250{01..31}.cs.jmu.edu |
 | ENGEO 2204 | L2204{01..32}.cs.jmu.edu  | | ENGEO 2204 | L2204{01..32}.cs.jmu.edu  |
  
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 ==== Transferring Files to and From stu ==== ==== Transferring Files to and From stu ====
-You can transfer files to "stu" using an SCP client (and the host name  ''%%stu.cs.jmu.edu%%''). Modern operating systems include a command-line scp client named ''scp''. See [[http://www.hypexr.org/linux_scp_help.php|this article]] for some usage examples. There are also GUI clients available that work like a file explorer. Options include [[ https://filezilla-project.org/| FileZilla]], [[https://winscp.net/eng/index.php|WinSCP]] and [[https://cyberduck.io/|Cyberduck]]. Both SCP and SFTP use port 22.+You can transfer files to "stu" using an SCP client (and the host name  ''%%stu.cs.jmu.edu%%''). Modern operating systems include a command-line scp client named ''scp''. See [[http://www.hypexr.org/linux_scp_help.php|this article]] for some usage examples. There are also GUI clients available that work like a file explorer. Options include [[ https://filezilla-project.org/| FileZilla]], [[https://winscp.net/eng/index.php|WinSCP]] and [[https://cyberduck.io/|Cyberduck]]. Both SCP and SFTP use port 22 (see more detailed instructions on [[student:stu:filezilla|Transferring Files from Your JMU CS Account with FileZilla]].
  
  
-If you want a more seamless experience or the ability to edit files on "stu" using a local editor like Eclipse or VS Code, you can [[student:utilities:sshfs|mount your home folder locally]]. The department strongly discourages the use of editor-specific plugins such as "Visual Studio Code Remote" for performance and security reasons, and students found using these extensions may be asked to stop.+If you want a more seamless experience or the ability to edit files on "stu" using a local editor like Eclipse or VS Code, you can [[student:utilities:sshfs|mount your home folder locally]]. 
  
 ==== Using stu as an HTTP Server ==== ==== Using stu as an HTTP Server ====