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--- public:win11_wsl2_ssh_en [2024/03/18 09:56] – [Ubuntu Linux startup and initial configuration] hirata.nanako
+++ public:win11_wsl2_ssh_en [2024/03/18 11:12] (現在) – [Generate an SSH Key Pair] hirata.nanako
@@ 行 1: / 行 1: @@
-====== WSL SSH In Windows 11 ======
+====== WSL2 SSH In Windows 11 ======
+To access the server of the Space Environment Information Processing System via the Internet, you need to go through a login server (a Jump_Server). The login server is accessed by SSH public key authentication.
+In this article, we install Windows Subsystem for Linux 2 (WSL2) on Windows 11 and connect to the login server via SSH.
 [[https://learn.microsoft.com/en-us/windows/wsl/install|How to install Linux on Windows with WSL (Microsoft)]]
@@ 行 11: / 行 12: @@
 ===== Command install =====
 ==== Check OS version ====
-Start PowerShell or Command Prompt by selecting "Run as administrator". PowerShell or Command Prompt can also be opened in Windows Terminal. The command to check the OS version is as follows:
+Start PowerShell or Command Prompt by selecting "Run as administrator". PowerShell or Command Prompt can also be opened in Windows Terminal((Terminal available by default in Windwos 11. Tabs can be used and it is easy to customize. ([[https://learn.microsoft.com/en-us/windows/terminal/|What is Windows Terminal?]] ) )). The command to check the OS version is as follows:
 <code>
@@ 行 23: / 行 24: @@
 PS C:\Windows\System32> wsl -l -o
-インストールできる有効なディストリビューションの一覧を次に示します。
+The following is a list of valid distributions that can be installed.
-'wsl.exe --install <Distro>' を使用してインストールします。
+Install using 'wsl.exe --install <Distro>'.
 NAME                                   FRIENDLY NAME
@@ 行 87: / 行 88: @@
        X11 Model: pc105
 </code>
+===== Generate an SSH Key Pair =====
+Generate an ssh key in PowerShell. (After # are comments)
+<code>
+username@localhost:~$ ssh-keygen -t ecdsa -b 384
+Generating public/private ecdsa key pair.
+Enter file in which to save the key (/home/username/.ssh/id_ecdsa):
+Created directory '/home/username/.ssh'.
+Enter passphrase (empty for no passphrase):       #Enter passphrase
+Enter same passphrase again:                      #Enter passphrase
+Your identification has been saved in /home/username/.ssh/id_ecdsa
+Your public key has been saved in /home/username/.ssh/id_ecdsa.pub
+The key fingerprint is:
+SHA256:qIOIpGWS430BdmS8b+6ARH5JUoLj+eDZ4LD4ux8gEXA username@Win11
+The key's randomart image is:
++---[ECDSA 384]---+
+|+ E..+           |
+| =  =.           |
+|o o= o.          |
+|.B+ =...         |
+|XoXo +o S        |
+|B@o=o..o         |
+|+o.o+oo          |
+|  . .o..         |
+|  o+. ..         |
++----[SHA256]-----+
+</code>
+===== Apply for a key =====
+Please apply for registration of the created public key id_ecdsa.pub. \\
+　[[https://portal.isee.nagoya-u.ac.jp/iseeadm-bin/acc/skplatform.cgi|Isee Jump_Server account request]]
+　[[http://cidas.isee.nagoya-u.ac.jp/kyodo/regist.shtml.ja|CIDAS System account request]]
+===== Add your SSH key to the ssh-agent =====
+Register the created private key with ssh-agent.  (After # are comments)
+<code>
+username@localhost:~$ eval $(ssh-agent)                      # Start ssh-agent
+Agent pid 658
+username@localhost:~$ ssh-add ~/.ssh/id_ecdsa                # Register private key
+Enter passphrase for /home/username/.ssh/id_ecdsa:           # pass phrase
+Identity added: /home/username/.ssh/id_ecdsa (username@Win11)
+</code>
+You can check if it is registered with the following command.
+<code>
+username@localhost:~$ ssh-add -l
+SHA256:qIOIpGWS430BdmS8b+6ARH5JUoLj+eDZ4LD4ux8gEXA username@Win11 (ECDSA)
+</code>
+===== SSH Connection=====
+Enter the following:\\
+<code>
+username@localhost:~$  ssh Jump_Server_Username@Jump_Server -AX
+The authenticity of host 'Jump_Server' can't be established.
+ED25519 key fingerprint is SHA256:TTWvEs781VjJwKrzOLJVDtTbLUn/1Ut00as1oihi5QI.
+This key is not known by any other names
+Are you sure you want to continue connecting (yes/no/[fingerprint])? yes
+Warning: Permanently added 'Jump_Server' (ED25519) to the list of known hosts.
+</code>
+option -A: Enables forwarding of connections from an authentication agent such as ssh-agent.
+option -X: Enables X11 forwarding.
+After connecting to the Jump_Server, you can use the same private key that you used at the first connection to connect to another server.
+==== About x11 forwarding ====
+WSL 2 enables Linux GUI applications to feel native and natural to use on Windows. There is no need to install a new X server.\\
+[[https://learn.microsoft.com/en-us/windows/wsl/tutorials/gui-apps|Run Linux GUI apps on the Windows Subsystem for Linux]]
+----
+  * [[public:macos10_openssh|OpenSSH on macOS 10.15]]