Ssh password-free logon command line

Ssh password-free logon command line 1. Use ssh-keygen-trsa to generate the private key and public key ssh-keygen-b1024-tdsaGeneratingpublic/privatedsakeypair. Enterfileinwhichtosavethekey (/home/user/. ssh /...
Ssh password-free logon command line 1. Use ssh-keygen-t rsa to generate the private key and public key ssh-keygen-B 1024-t dsa Generating public/private dsa key pair. enter file in which to save the key (/home/user /. ssh/id_dsa):/home/user /. ssh/id_dsa Enter passphrase (empty for no passphrase): Enter same passphrase again: Your identification has been saved in/home/user /. ssh/id_rsa. your public key has been saved in/home/user /. ssh/id_ras.pub. www.2cto. c Om 2. key distribution: place the private key on your machine ~ /. Ssh/directory and ensure that the access permission is "-rw -------" (that is, 600 ). Then place the generated public key on the remote host to be connected ~ The/. ssh/directory is renamed as authorized_keys, and the file is not authorized to be modified except for the owner. Command cd ~ /. Ssh-copy-id user @ IP or ssh-copy-id-I id_rsa.pub user @ IP 3. log on to ssh username @ ip and log on directly. 4. run the command ssh user @ ip. /test. sh normal user ssh connection to linux server is always prompted: ulimit: open files: cannot modify limit: Operation not permitted solution: vi/etc/security/limits. add conf: www.2cto.com * soft nofile 65535 * hard nofile 65535 if you cannot log on, delete/home/user /. ssh/known_hosts file and try again