(transfer) how winscp (SSH FTP client) generates the key to log in Linu

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WinSCP(SSH Of FTP client ) How to generate key login linux? A friend found out about logging in linux You need to enter a password to verify before you can go to , Then there was. KEY, You can use KEY Direct landing , So many SSH All tools have Generate KEY land Of , Here it is , Let me introduce the two most commonly used SSH land LINUX Tools for everyone , And share with you, such as How to generate a key to log in LINUX;

First of all ,WINSCP This tool is undoubtedly a widely used tool , Download and installation are not introduced here , as everyone knows ; So let's just say , Install well WINSCP did not SSH land LINUX Tools for , We have to download one Putty Landing tools , And there's one Puttygen This tool , This is a Tool for generating key , Such as graphic ：

And then we open up WINSCP Tools , Such as graphic ：

next step ：

This id_rsa.rsa How to generate it ?LOOK

After typing the command , Directly enter － enter － Just enter the car , then , stay ~.ssh/ Will generate id_rsa,id_rsa.pub These two documents ;COPY Come out these two files , stay WIN Now generate PPK file , Can be used to authenticate login ;

Then up How to generate KEY land linux; Such as graphic ：

After saving the above , We can then use the generated PPK File to verify login LINUX 了 ;LOOK

So you can log in ;

second , Share SecureCRT Tools , This is also a good one that friends like more SSH land LINUX Tools ; So how to generate KEY land LINUX What about ？

 

 

When the selection is complete , Generated Identity and Identity.pub, among Identity For private key ,Identity.pub For public key ; And then upload Identity.pub To LINUX User's root directory .ssh Next , Command :

mv Identity.pub authorized_keys,chmod 644 authorized_keys;

Generate ：authorized_keys, Then let's log in and verify ;

The file selected here to use identity or certificate is Global public key ;

summary ： The best thing I want to say is to set SSH Log in with a key without a password , To set the relevant SSH Configuration file for ：sshd_config, Revised as follows ：

PermitRootLogin no

PubkeyAuthentication yes 

AuthorizedKeysFile .ssh/authorized_keys

RSAAuthentication yes

PasswordAuthentication no

And restart :service sshd restart Then you can log in normally , Is it easy , Now we all know that such as How to generate a key to log in linux？