Linux用户管理的笔记

1，查明登陆端口；
# who
root pts/1 Apr 8 00:06 (172.29.0.29)
root pts/2 Apr 8 04:15 (172.29.0.21)

2，通知该用户将要关闭他：
# echo "I will close your connection" > /dev/pts/2

提示他将关闭它的链接

3，关闭用户连接
# fuser -k /dev/pts/2