Linux Basic

ln

设置了软连接

rm -rf conf 对比 rm -rf conf/ ,行为不一样

几种在Linux下查询外网IP的办法

https://my.oschina.net/epstar/blog/513186

查询公网IP

curl icanhazip.com
curl ifconfig.me
curl curlmyip.com
curl ip.appspot.com
curl ipinfo.io/ip
curl ipecho.net/plain
curl www.trackip.net/i
curl cip.cc
curl ip.cip.cc

PS1 Linux提示

[root@10 ~]# echo $PS1
[\u@\h \W]\$
[root@10 ~]# 
[root@10 ~]# #PS1='[\u@\H \w]# '
[root@10 ~]# export PS1='[\u@\H \w]# '
[root@10.222.32.104 ~]# 
[root@10.222.32.104 ~]# 
[root@10.222.32.104 ~]# vi /etc/profile

未分类

华中科技大学开源镜像站
http://mirrors.hust.edu.cn/

http://cdimage.debian.org/cdimage/archive/9.11.0/amd64/iso-dvd/

http://ngelinux.com/difference-between-rhel-5-rhel-6-and-rhel-7/