How to install ssh on centos?

How to install ssh in centos: first install [openssh-server]; then modify the configuration file and start the ssh service; then set up automatic startup at boot; finally set the access permissions of the folder [~/.ssh] That’s it.

How to install ssh on centos:

1. Install openssh-server

yum install -y openssl openssh-server

2 . Modify the configuration file

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

##Change the

PermitRootLogin in the above picture The settings for , RSAAuthentication, PubkeyAuthentication are turned on.

3. Start the ssh service:

systemctl start sshd.service

4. Set the ssh service to automatically start at boot

systemctl enable sshd.service

5. Set the folder

~/.ssh Access permissions:

$ 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

authorized_keys The file stores the client’s public key.

Recommended related tutorials:

centos tutorial

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