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1.查看物理CPU数量
cat /proc/cpuinfo | grep "physical id" | sort | uniq | wc -l2.查看CPU内核数量
cat /proc/cpuinfo | grep "cpu cores" | uniq3.查看虚拟机核数
grep processor /proc/cpuinfo|wc -l4.查看CPU内核频率
cat /proc/cpuinfo |grep MHz|uniq5.查看cpu型号
less /proc/cpuinfo |grep model
1.不带单位
free -m2.带单位
free -h
如怎么查看centos版本是6还是7?
方法1:若无效,执行方法2
lsb_release -a方法2:cat /etc/xxx-release,若无效,执行方法3
cat /etc/centos-release方法3:若无效,执行方法1
cat /etc/issue
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