import paramiko

ssh = paramiko.SSHClient()
ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
ssh.connect('140.44.4.41', username='root', key_filename=r'C:\Users\Snarf\.ssh\id_ed25519_snarfnet', timeout=10)

def run(cmd):
    print(f">>> {cmd}")
    _, o, e = ssh.exec_command(cmd)
    out = o.read().decode().strip()
    err = e.read().decode().strip()
    if out:
        print(out)
    if err:
        print("[stderr]", err)

run("nc -zv zabbix.snarfnet.net 10051")
run("tail -n 20 /var/log/zabbix/zabbix_agent2.log")

ssh.close()