linux基本信息查看
2018-03-06 17:15:301. 查看公网ip
curl members.3322.org/dyndns/getip
2.查看系统版本
uname -a
cat /etc/issue
cat /proc/version
cat /etc/redhat-release
3.查看DNS
cat /etc/resolv.conf
4.查看磁盘空间
df -hl
5.查看端口监听信息
netstat -atunlp
6.查看时区-ubuntu
timedatectl
#设置时区
dpkg-reconfigure tzdata