Linux basic tutorial linux passwordless ssh login settings

Linux basic tutorial linux passwordless ssh login settings

Overview
　　ssh, scp between some common devices, without entering a password can save a lot of time.
　　Generating a key
　　Check whether there is a key locally. If there is, do not need to generate it, otherwise it will affect the previously connected devices.
　　The code to copy the code is as follows: (Brothers Linux Training www.lampbrother.net) If
　　ls ~/.ssh/id_rsa.pub
　　is not available, use ssh-key-gen to create the public key and key on the local host. The code to
　　copy code is as follows:
　　ssh-keygen -t rsa
　　all the way to enter Copy
　　the public key to the remote host The
　　copy code code is as follows:
　　ssh-copy-id -i~/.ssh/id_rsa.pub <a href="http://www.php1.cn/" >
　　Directly log in to the remote host The code to
　　copy the code is as follows:
　　ssh 192.168.0.3
　　No password, log in directly.
　　The ssh machine from 192.168.0.3 still needs a password. Follow the steps above to operate on 192.168.0.3, or omit the password.