#查看操作系统版本[root@localhost ~]# cat /etc/redhat-release CentOS Linux release 7.6.1810 (Core) [root@localhost ~]# mkdir /soft#查看安装包版本[root@localhost ~]# c
一、环境准备[root@10 ~]# cat /etc/redhat-release CentOS Linux release 7.6.1810 (Core) [root@10 ~]# free -g total used free