Use different SSH keys to log on to multiple websites

Use different SSH keys to log on to multiple websites. create different SSH keys,-t specifies the encryption method, RSA or DSA;-C annotation;-f specifies the file name www.2cto.com ssh-keygen-t dsa-C "email. xxx "-f ~ The commands above/. ssh/xxx are in ~ /. Ssh/generate xxx key pair 2. Edit ~ /. Ssh/config file, configuration format example: Host github.com www.github.com IdentityFile ~ /. Ssh/code_githubHost bitbucket.org www.bitbucket.org IdentityFile ~ /. Ssh/code_bitbucket view man ssh_config more parameter descriptions 3. Add the content of the xxx. pub public key file to ~ /. Ssh/authorized_keys file 4. When using ssh to log on to the website, it will automatically determine which pair of key authentication is used