查看centos的cpu和内存等信息

#查看操作系统

cat /etc/redhat-release

#查看CPU的个数、核数、型号
grep 'physical id' /proc/cpuinfo | sort -u | wc -l
grep 'core id' /proc/cpuinfo | sort -u | wc -l
dmidecode -s processor-version | uniq

#查看内存条的数量和大小
dmidecode|grep -P -A5 "Memory\s+Device"|grep Size|grep -v Range | grep -v 'No Module'

#查看磁盘的数量和大小
lsblk