Chunyes的专栏

https://help.ubuntu.com/community/SSH/OpenSSH/Configuring Disable Password AuthenticationBecause a lot of people with SSH servers use weak passwords, many online attackers will look for an SSH server,

http://ubuntuforums.org/showthread.php?t=1914246remove OpenSSH: Code:sudo apt-get remove openssh-client openssh-serverinstall OpenSSH again: Code:sudo apt-get install openssh-client openssh-serverIf

其实不需要设置/etc/ssh/sshd_config 和 /etc/hosts, 直接ssh对方的用户名和ip就可以了。 用 ifconfig查询inetaddr，用以太网的电脑看eth0那栏，用wifi的看wlan0那栏。在machine1上sshmachine2： ifconfig 查询inet addr，用以太网的电脑看eth0 那栏，用wifi的看wlan0 那栏。 在machine