2021-09-12 查看内存总数

[root@host1 nginx]# #查看内存总数
[root@host1 nginx]# cat /proc/meminfo | grep MemTotal 
MemTotal:        1883560 kB
[root@host1 nginx]# #Linux查看当前操作系统版本信息
[root@host1 nginx]# cat /proc/version
Linux version 3.10.0-693.el7.x86_64 (builder@kbuilder.dev.centos.org) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-16) (GCC) ) #1 SMP Tue Aug 22 21:09:27 UTC 2017
[root@host1 nginx]# #Linux查看版本当前操作系统发行版信息
[root@host1 nginx]# cat /etc/redhat-release
CentOS Linux release 7.4.1708 (Core)