sudo apt-get install openssh-server openssh-client
SSH服务端关闭与启动
客户端连接
安装telnet
1. sudo apt-get install xinetd telnetd
2. 安装成功后，系统也会有相应提示.
sudo vi /etc/inetd.conf并加入以下一行
telnet stream tcp nowait telnetd /usr/sbin/tcpd /usr/sbin/in.telnetd
3. sudo vi /etc/xinetd.conf并加入以下内容：
# Simple configuration file for xinetd
#
# Some defaults, and include /etc/xinetd.d/
defaults
{
# Please note that you need a log_type line to be able to use
log_on_success
# and log_on_failure. The default is the following :
# log_type = SYSLOG daemon info
instances = 60
log_type = SYSLOG authpriv
log_on_success = HOST PID
log_on_failure = HOST
cps = 25 30
}
includedir /etc/xinetd.d
修改前如下：
修改为
4. sudo vi /etc/xinetd.d/telnet并加入以下内容：
# default: on
# description: The telnet server serves telnet sessions; it uses \
# unencrypted username/password pairs for authentication.
service telnet
{
disable = no
flags = REUSE
socket_type = stream
wait = no
user = root
server = /usr/sbin/in.telnetd
log_on_failure += USERID
}
5. 重启机器或重启网络服务sudo /etc/init.d/xinetd restart
6. 使用TELNET客户端远程登录即可进行非root用户访问。
注意事项：安装telnet时注意
apt-get install xinetd telnetd 不要分开
否则提示：telnet has no installation candidate
本文转自 onesthan 51CTO博客，原文链接：http://blog.51cto.com/91xueit/1214758，如需转载请自行联系原作者
