> 指令碼分三個檔案，前兩個是包含ip、連線使用者、ssh埠、平臺以及、密碼檔案，後期自動發現只需要新增主機相關資訊以及密碼即可，指令碼部分無需更改。
> 指令碼測試平臺為Redhat 7.6，透過一臺RHEL機器巡檢其他機器。

# 1. ssh連線資訊檔案
```
/* 編輯ip列表，按照ip platform user sshport格式編輯即可 */
#vi iplist.txt
192.168.100.101 Linux root 22
192.168.100.102 Linux oracle 22
```
# 2. 密碼檔案
/* 編輯密碼，與上述主機資訊列表需要對應 */
```
# vi pass.txt
111111
111111
```
# 3. 指令碼正文
```shell
#!/bin/sh
# author by czh
# created 20210511
# This script used to execute on remote os.

# global variables
v_cmd=$1
v_curtime=$(date +%Y%m%d%H%M%S)
v_curdate=$(date +%F'  '%T)
v_num=$(cat iplist.txt|wc -l)

# must use argument to use this script
if [ $# = 0 ]
then
    echo "Error! usage：sh $0 "{command}""
    exit
elif [ $# -gt 1 ]
then
    echo "Error! This script only accept one argument!"
else
    echo "This script will continue!"
fi

# Linux Aix df function
func_linux ()
{
echo -e "\nCheck Time is ${v_curdate}"
echo -e "Host is ${v_ip} ${v_os}\n"
cat df_${v_curtime}.log|grep "^/dev"|awk 'sub("%","",$5)'|awk '{if($5 > 80) print "FS warnings!!!:  "$5"%  "$6}'
}

# solaris df function
func_sunos ()
{
echo "\nCheck Time is ${v_curdate}"
echo "Host is ${v_ip} ${v_os}\n"
cat df_${v_curtime}.log|grep pool/|nawk 'sub("%","",$5)'|nawk '{if($5 > 80) print "FS warnings!!!:  "$5"%  "$6}'
}

# script begin
for v_i in $(seq 1 ${v_num})
do
# variables define area
    v_ip=$(sed -n "${v_i}p" iplist.txt|awk '{print $1}')
    v_os=$(sed -n "${v_i}p" iplist.txt|awk '{print $2}')
    v_user=$(sed -n "${v_i}p" iplist.txt|awk '{print $3}')
    v_pass=$(sed -n "${v_i}p" pass.txt|awk '{print $1}')
    v_port=$(sed -n "${v_i}p" iplist.txt|awk '{print $4}')  
# expect get filesystem usage
# expect module begin
/usr/bin/expect >df_${v_curtime}.log <<eof set="" timeout="" spawn="" ssh="" puts="" expect="" wait="" eof="" module="" end="" case="" begin="" in="" linux="" func_linux="" aix="" sunos="" func_sunos="" esac="" done="" sh="" expect.sh="" this="" script="" will="" continue="" check="" time="" is="" host="" fs="" warnings="">
                        </eof>

使用Linux expect批次巡檢Linux Aix Solaris磁碟使用率指令碼

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