下面这个脚本是我之前学习bash脚本时，从一本书上看到了，觉得很不错，所以拿来跟大家分享一下哈。呵呵。别的就不多说了，看代码吧：
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#!/bin/bash
def_colors () {
# Attributes
normal=
'\033[0m'
;bold=
'\033[1m'
;dim=
'\033[2m'
;under=
'\033[4m'
italic=
'033[3m'
; notalic=
'\033[23m'
; blink=
'\033[5m'
;
reverse=
'\033[7m'
; conceal=
'\033[8m'
; nobold=
'\033[22m'
;
nounder=
'\033[24m'
; noblink=
'\033[25m'
# Foreground
black=
'\033[30m'
; red=
'\033[31m'
; green=
'\033[32m'
; yellow=
'\033[33m'
blue=
'\033[34m'
; magenta=
'\033[35m'
; cyan=
'\033[36m'
; white=
'\033[37m'
# Background
bblack=
'\033[40m'
; bred=
'\033[41m'
bgreen=
'\033[42m'
; byellow=
'\033[43m'
bblue=
'\033[44m'
; bmagenta=
'\033[45m'
bcyan=
'\033[46m'
; bwhite=
'\033[47m'
}
def_colors
clear
hostname
=`
cat
/proc/sys/kernel/hostname
`
echo
echo
-e
"System Report for $white$hostname$normal on `date`"
echo
prcessor=`
grep
'model name'
/proc/cpuinfo
|
cut
-d: -f2 |
cut
-c2-`
nisdomain=`
cat
/proc/sys/kernel/domainname
`
cache=`
grep
'cache size'
/proc/cpuinfo
|
awk
'{print $4,$5}'
`
bogomips=`
grep
'bogomips'
/proc/cpuinfo
|
awk
'{print $3}'
`
vendor=`
grep
'vendor_id'
/proc/cpuinfo
`
echo
-e
"Hostname: $white$hostname$normal NIS Domain: $white$nisdomain$normal"
if
[
"`echo $vedner | grep -i intel`"
]
then
cpu_color=$blue
elif
[
"`echo $vender | grep -i amd`"
]
then
cpu_color=$green
fi
echo
-e
"Processor: $cpu_color$processor$normal"
echo
-e "Running at $white$bogomips$normal bogomips with \
$white$cache$normal cache"
echo
ostype=`
cat
/proc/sys/kernel/ostype
`
osrelease=`
cat
/proc/sys/kernel/osrelease
`
rev=`
cat
/proc/sys/kernel/version
|
awk
'{print $1}'
`
da_date=`
cat
/proc/sys/kernel/version
|
cut
-d\ -f2-`
upsec=`
awk
'{print $1}'
/proc/uptime
`
uptime=`
echo
"scale=2;$upsec/86400"
|
bc
`
echo
-e
"OS Type: $white$ostype$normal"
echo
-e
"Kernel: $white$osrelease$normal"
echo
-e
"Kernel Compile $white$rev$normal on $white$da_date$normal"
echo
-e
"Uptime: $magenta$uptime$normal days"
set
`
grep
MemTotal
/proc/meminfo
`
tot_mem=$2; tot_mem_unit=$3
set
'grep MemFree /proc/meminfo'
free_mem=$2; fre_mem_unit=$3
perc_mem_used=$((100-(100*free_mem
/tot_mem
)))
set
`
grep
SwapTotal
/proc/meminfo
`
tot_swap=$2; tot_swap_unit=$3
perc_swap_used=$((100-(100*free_swap
/tot_swap
)))
if
[ $perc_mem_used -lt 80 ]
then
mem_color=$green
elif
[ $perc_mem_used -
ge
80 -a $perc_mem_used -lt 90 ]
then
mem_color=$yellow
else
mem_color=$red
fi
if
[ $perc_swap_used -lt 80 ]
then
swap_color=$green
elif
[ $perc_swap_used -
ge
80 -a $perc_swap_used -lt 90 ]
then
swap_color=$yellow
else
swap_color=$red
fi
echo
-e "Memory: $white$tot_mem$normal $tot_mem_unit Free: $white$free_mem$normal \
$fre_mem_unit $Used: $mem_color$perc_mem_used$normal"
echo
-e "Swap: $white$tot_swap$normal $tot_swap_unit Free: $white$free_swap$normal \
$fre_swap_unit $Used: $swap_color$perc_swap_used$normal"
echo
set
`
cat
/proc/loadavg
`
one_min=$1
five_min=$2
fifteen_min=$3
echo
-n
"Load Avderage: "
for
ave
in
$one_min $five_min $fifteen_min
do
int_ave=`
echo
$ave |
cut
-d. -f1`
if
[ $int_ave -lt 1 ]
then
echo
-en
"$green$ave$normal "
elif
[ $int_ave -
ge
1 -a $int_ave -lt 5 ]
then
echo
-en
"$yellow$ave$normal "
else
echo
-en
"$red$ave$normal"
fi
done
echo
running=0; sleeping=0; stopped=0; zombie=0
for
pid
in
/proc/
[1-9]*
do
procs=$((procs+1))
stat=`
awk
'{print $3}'
$pid
/stat
`
case
$stat
in
R) running=$((running+1));;
S) sleeping=$((sleeping+1));;
T) stopped=$((stopped+1));;
Z) zombie=$((zombie+1));;
esac
done
echo
-n
"Process Count:"
echo
-e "$white$process$normal total $white$running$normal running \
$white$
sleep
$normal sleeping $white$stopped$normal stopped \
$white$zombie$normal zombie"
echo
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至此，脚本完毕，来运行一下，看有什么结果：
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System Report
for
xxxxxx on Wed Jun 4 17:09:54 CST 2014
Hostname: xxxxxx NIS Domain:
Processor:
Running at 6077.22
6077.22
...此处省略很多行
6077.22 bogomips with 2048 KB
2048 KB
...此处省略很多行
2048 KB cache
OS Type: Linux
Kernel: 3.10.13-0.96-xen
Kernel Compile
#1 on SMP Wed Feb 15 13:33:49 UTC 2012 (d73692b)
Uptime: 26.09 days
Memory: 4155904 kB Free: : 100
Swap: 16779260 kB Free: : 100
Load Avderage: 0.00 0.01 0.05
Process Count: total 0 running sleeping 0 stopped 4 zombie
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本文转自 bigstone2012 51CTO博客，原文链接:http://blog.51cto.com/lavenliu/1422169
