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The server is ready to work:1. Log in to the server to modify the sshd configuration fileVI /etc/ssh/sshd_configFind the following uncomment #Rsaauthentication Yes pubkeyauthentication Yes authorizedkeysfile. SSH2. If you modify the configuration file, you need to restart the SSHD serviceNative configuration:1. Generate public and private keysThe default is to generate two files in the ~/.ssh directory:2. Import the public key authentication fileCat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys3.

We all know that the code on the cloning Gitlab is generally through SSH protocol to achieve the purpose of the secret key, but today due to the company's Gitlab server problems, led to SSH way old certification failure, many developers sent to ask for advice, there are several proposed through the http/ HTTPS way can not free account password input. There are two methods available: 1. Can use the host

1. Install SSH: $ sudo apt-get install SSH 2. See if the catalog is generated. SSH: $ ls-al/home/xsj/ 3. If not, create the directory manually. SSH: $ mkdir/home/xsj/.ssh 4. Generate public and private keys: $ ssh-keygen-t dsa-p '-f ~/.SSH/ID_DSA or $ ssh-keygen-t RSA 5. Add the public key to the public key file for authentication: $ cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys or CP ~/.ssh/id_rsa.pub ~/.ssh/autho Rized_keys 6. Verify that the SSH installation was successful: $ ssh-

can login without a password.Can be tested by a nativeAdd access to B after the test is successfulSSH [email protected]-P PortA6) Warning:remote HOST identification has CHANGEDThis problem may be due to the access of the IP's public key information is different from the known_hosts, the removal of the IP of the known_hosts in the corresponding RSA information can be7) If the connection port fails, you can use Telnet aip-p PortA to see if the port is open bysudo ufw enable (enabled)sudo ufwdisab

In the actual operation of the process, often need to use the password-free login, the following script to implement the server between the password-free, as followsFor example, to achieve a server with the B, C, D server-free login, only need to write the IP address of the

1. One-way password-free access One-way, password-less access to the remote server is relatively simple. For example, if server a requires no password to access server B (A-> B), you only need to generate a key pair on server, upload the generated public key to the user directory of server B. SSH directory (if not, man

SSH password-free logon details To better understand SSH password-free login principles, let's talk about SSH security verification. SSH uses an asymmetric key system, which is a public key and private key encryption system that is familiar, security Verification is classified into two levels. 1.

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Key Login Step (password-free login)SSH Login provides two kinds of authentication methods: password (password) authentication method and key authentication method. where password (password) authentication method is one of our mos

SSH password-free Login I had a hard time logging on via SSH without a password. It would be easy to use the root permission, but it is not formal. After all, I am a professional expert ~~ So there are a lot of strange problems. When we solve them, we find that they are not that troublesome. The following is the 117 one-way,