run this script on machine first.

ana.sh

#!/bin/bash

run(){
    cmd=$@
    echo ">> $cmd"
    eval $cmd
    echo
}

run uptime
run free -m
run "dmesg|tail"
run df -h
run df -i
run ping baidu.com -c 3
run vmstat 1 3
run pidstat 1 3
run sar -n DEV 1 3
run sar -n TCP,ETCP 1 3
run mpstat -P ALL 1 3