显示linux当前状态的脚本（系统内核、硬盘、内存、CPU、网卡）

y45t4r3

#!/bin/bash
host_info()
{
echo "======================host info========================"
echo "System: $(cat /etc/redhat-release | awk '{print $1,$3}')_$(uname -m)"
echo "System kernel version: $(uname -r)"
echo "Current Date time: $(date +%x%X)"
echo "Current User: $(id | id | awk -F "(" '{print $2 }' | awk -F ")" '{print $1}')"
}
disk_info ()
{
echo "======================disk info========================"
df -ThP|column -t
}
cpu_info ()
{
echo "=======================cpu info========================"
echo "cpu processor is $(grep "processor" /proc/cpuinfo |wc -l)"
echo "cpu mode name is $(grep "model name" /proc/cpuinfo |uniq|awk '{print $4,$5,$6,$7,$8,$9}')"
grep "cpu MHz" /proc/cpuinfo |uniq |awk '{print $1,$2":"$4}'
awk '/cache size/ {print $1,$2":"$4$5}' /proc/cpuinfo |uniq
}
mem_info ()
{
echo "=====================memory info========================"
MemTotal=$(awk '/MemTotal/ {print $2}' /proc/meminfo)
MemFree=$(awk '/MemFree/ {print $2}' /proc/meminfo)
Buffers=$(awk '/^Buffers:/ {print $2}' /proc/meminfo)
Cached=$(awk '/^Cached:/ {print $2}' /proc/meminfo)
FreeMem=$(($MemFree/1024+$Buffers/1024+$Cached/1024))
UsedMem=$(($MemTotal/1024-$FreeMem))
echo "Total memory is $(($MemTotal/1024)) MB"
echo "Free memory is ${FreeMem} MB"
echo "Used memory is ${UsedMem} MB"
}
load_info ()
{
echo "=====================load info=========================="
Load1=$(awk '{print $1}' /proc/loadavg)
Load5=$(awk '{print $2}' /proc/loadavg)
Load10=$(awk '{print $3}' /proc/loadavg)
echo "Load in 1 min is $Load1"
echo "Load in 5 min is $Load5"
echo "Load in 10 min is $Load10"
}
network_info ()
{
echo "=====================network info======================="
for ethernet in $(ls /etc/sysconfig/network-scripts/ | grep ifcfg | awk -F"-" '{print $2}')
do
network=$(ifconfig  $ethernet |grep "inet addr" |awk '{print $2}'|sed "s/addr://g")
echo "network $ethernet IP is $network"
done
}
host_info
sleep 0.5
disk_info
sleep 0.5
cpu_info
sleep 0.5
mem_info
sleep 0.5
load_info
sleep 0.5
network_info