我已经有了一个运行xenial的系统,我需要验证特定端口是否为127.0.0.1打开,所以我决定安装telnet,只需尝试在这个特定端口上连接。
I've tried the following:
ron@regDesktopHome:/etc/ssl/certs$ sudo apt-get install telnetd -y
Reading package lists... Done
Building dependency tree
Reading state information... Done
telnetd is already the newest vers
我在Xubuntu 15中创建了一个密钥对。我希望将公钥复制到Windows 10膝上型计算机上,以便只允许从那里进行ssh连接,但当我运行时(以root用户身份):
ssh-copy-id myuser@my.ip.x.x
过了一段时间,它会返回:
/usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed
/usr/bin/ssh-copy-id: ERROR: ssh: connect to host my