docs: include openssh instrs for jetbrains setup (gravitational#26251)

* docs: include openssh instrs

* spacing

Co-authored-by: Alex Fornuto <[email protected]>

* replaced Node references with server

* Update notes

---------

Co-authored-by: Alex Fornuto <[email protected]>

docs/pages/server-access/guides/jetbrains-sftp.mdx

@@ -21,7 +21,7 @@ This guide explains how to use Teleport and a JetBrains IDE to access files with
 
 ## Step 1/3. First-time setup
 
-Configure your local SSH client to access Teleport Nodes, assigning the `--proxy` flag to the address of your Teleport Proxy Service (e.g., `mytenant.teleport.sh` for Teleport Cloud users).
+Configure your local SSH client to access servers, assigning the `--proxy` flag to the address of your Teleport Proxy Service (e.g., `mytenant.teleport.sh` for Teleport Cloud users).
 
 ```code
 # log in to your proxy:
@@ -53,31 +53,27 @@ in the path below:
   </TabItem>
 </Tabs>
 
-You should be able to connect to the desired Node using the following command, replacing `user` with the username you would like to assume on the Node:
+You should be able to connect to the desired server using the following command, replacing `user` with the username you would like to assume on the server:
 
 ```code
-$ ssh user@[node name].[cluster name]
+$ ssh user@[server name].[cluster name]
 ```
 
 <Details scopeOnly={true} scope={["cloud"]} title="Teleport Cloud">
-  The SSH config you generated earlier instructs your SSH client to run `tsh proxy ssh` to access a Node in your Teleport cluster.
+  The SSH config you generated earlier instructs your SSH client to run `tsh proxy ssh` to access a server in your Teleport cluster.
   However, running an `ssh` command against the Teleport Proxy Service at `yourtenant.teleport.sh` will result in an error.
 </Details>
 
 <Admonition type="note">
-  Teleport's certificates expire fairly quickly, after which SSH
-  attempts will fail with an error like the following:
-
-  ```txt
-  [email protected]: Permission denied (publickey).
-  ERROR: exit status 255
+  Include the port number for OpenSSH servers, by default `22`, or you can experience an error.
+  See the [OpenSSH guide](./openssh.mdx) for more information.
+  Example connecting to a OpenSSH server:
 
-  kex_exchange_identification: Connection closed by remote host
+  ```code
+  $ ssh -p 22 user@[server name].[cluster name]
   ```
-
-  When you see this error, re-run `tsh login` to refresh your local certificate.
 </Admonition>
-
+  
 ## Step 2/3. Configure your JetBrains IDE
 
 After opening your IDE go to `Tools` -> `Deployment` -> `Browse Remote Host`.
@@ -98,8 +94,8 @@ Click the three dots next to `SSH configuration` as in the picture above.
 
 Create a new configuration by clicking the plus sign on the top left and providing:
 
-- `Host` - name of the Teleport Node.
-- `Port` - the Teleport Node's SSH port (3022 by default).
+- `Host` - name of the Teleport server.
+- `Port` - the Teleport server's SSH port (`3022` by default or `22` for OpenSSH servers).
 - `Username` - the system username.
 
 As an `Authentication type` pick `OpenSSH config and authentication agent`.
@@ -113,6 +109,20 @@ After closing the SSH configuration window, you should see `Remote Host` menu in
 
 ![Browse window](../../../img/jetbrains-sftp/browse-window.png)
 
+<Admonition type="note">
+  Teleport's certificates expire fairly quickly, after which SSH
+  attempts will fail with an error like the following:
+
+  ```txt
+  [email protected]: Permission denied (publickey).
+  ERROR: exit status 255
+
+  kex_exchange_identification: Connection closed by remote host
+  ```
+
+  When you see this error, re-run `tsh login` to refresh your local certificate.
+</Admonition>
+
 ## Next steps
 
 ### Using OpenSSH clients