首先密钥登陆远程的原理
client 端 将公钥放在远程机器authorized_keys:
使用 ssh-copy-id app@ip
接着在client机器生成密钥 使用ssh-keygen -t rsa 生成密钥对,id_rsa:
编写测试脚本:
import paramiko
hostname="192.168.110.131"
port=22
username="app"
#client ssh-keygen -t rsa 生成的id_rsa 私钥
pkey_path="/home/app/.ssh/id_rsa"
private = paramiko.RSAKey.from_private_key_file(pkey_path)
paramiko.util.log_to_file('paramiko.log')
client = paramiko.SSHClient()
client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
client.connect(hostname,port,username,pkey=private)
stdin, stdout, stderr = client.exec_command('df -h ')
print(stdout.read().decode('utf-8'))