cpu, memory 확인

[cpu, memory 확인]

1. cpu

cat /proc/cpuinfo

grep -c processor /proc/cpuinfo

grep "physical id" /proc/cpuinfo | sort -u | wc -l

grep "cpu cores" /proc/cpuinfo | tail -1

mpstat | tail -1 | awk '{print 100-$11}'

top -n1 | grep -i cpu\(s\) | awk '{print $5}' | tr -d "%id," | awk '{print 100-$1}'

2. memory

cat /proc/meminfo

cat /proc/meminfo | grep MemTotal

sar -r

free

top -n1 | grep Mem: