Install and configure ssh in CentOS7

Install and configure ssh in CentOS7

1. Install openssh-server

yum install -y openssl openssh-server

2. Modify the configuration file

Open the configuration file /etc/ssh/sshd_config with vim

Turn on the settings of PermitRootLogin , RSAAuthentication , and PubkeyAuthentication in the above figure.

Start the ssh service:

systemctl start sshd.service

Set the ssh service to start automatically at boot

systemctl enable sshd.service

Set the access permissions for the folder ~/.ssh:

$ cd ~
$ chmod 700 .ssh                                                                                                
$ chmod 600 .ssh/*                                                                                              
$ ls -la .ssh                                                                                                   
total 16
drwx------. 2 root root 58 May 15 00:23 .
dr-xr-x---. 8 root root 4096 May 15 00:26 ..
-rw------. 1 root root 403 May 15 00:22 authorized_keys
-rw------. 1 root root 1766 May 15 00:21 id_rsa
-rw------. 1 root root 403 May 15 00:21 id_rsa.pub

The authorized_keys file stores the client's公共密鑰.

The above is the full content of this article. I hope it will be helpful for everyone’s study. I also hope that everyone will support 123WORDPRESS.COM.

You may also be interested in:
  • How to install openssh from source code in centos 7
  • CentOS method to modify the default ssh port number example
  • How to add or modify SSH port number in CentOS7
  • How to modify the SSH login port in CentOS7

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