[server usage record] log in to the remote server through the springboard machine and transfer files

explain ： This article records the pit I stepped on when using a remote server for this Xiaobai , You are welcome to criticize and correct

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One 、 Generate a local key and add it to the server

First, input the code in the terminal to generate the local key and public key ：

ssh-keygen -t rsa

Will generate id_rsa and id_rsa.pub, They correspond to your local public key and key , We will id_rsa.pub Send it to the server administrator or upload it to the corresponding platform , That is, you are allowed to log in locally on the server
Be careful ：key There are two formats , One is rsa, One is dsa, Some servers do not support dsa Of ！

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Two 、 Use VSCode Extension plug-in Remote-SSH Log on to the remote server

stay VSCode Find the plug-in in the extension and download , Then click... In remote explorer ‘+’, Input ：

 ssh  Account name @ Server address  -p  Port number 
  Such as ：
 ssh [email protected] -p 123

Then it is verified by the server fingerprint Then you can login successfully ~
One more word , stay vscode Li press crtl+shift+` You can open the terminal （ I've been looking for it myself for a long time ）

3、 ... and 、 Through the springboard machine A Log on to the remote server B

1. Log on to the skip machine

Daily development , For safety and other considerations , Before connecting to the remote server , You need to connect the springboard machine first , This method is associated with Two 、 Use VSCode Extension plug-in Remote-SSH Log on to the remote server Agreement , Don't go into details .

2. Generate the key in the springboard

The key point to log in to the remote server through the springboard machine is , It's not just you This machine Your key needs to be uploaded to Springboard machine A, Springboard machine A You also need to generate a key to upload to remote server B（ I didn't upload the key of the springboard machine the first time I used it , So I can't log in anyway ）
Same method ： Open the terminal input of the springboard machine ssh-keygen -t rsa

Four 、 Migrate the data to the remote server through the springboard machine B On

Transfer files ：scp file name user name @ The server B Of IP Address : The server B Destination address on

scp test.py [email protected]:/home/huang/

Transfer folder ：scp -r file name user name @ The server B The address of : The server B Destination address on

scp test/folder [email protected]:/home/huang/

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5、 ... and 、 stay VSCode There are springboard and target machines

Host JumpMachine
  HostName 1.1.1.1
  User root
  Port 22
 
Host TargetMachine
  HostName 1.1.1.1
  User root
  ProxyCommand ssh -W %h:%p JumpMachine

6、 ... and 、 Reference resources

https://blog.csdn.net/weixin_34790159/article/details/116557869