#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 "Memorys+Device"|grep Size|grep -v Range | grep -v 'No Module'
#查看磁盘的数量和大小
lsblk