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shell脚本：
将172.25.254.1-10的主机一一检查是否开启，开启的话通过ssh连接，并将/mnt/create/下的userfile和passwood中的用户建立，并修改好密码
/mnt/test_useradd.sh
#!/bin/bash
MAX#!/bin/bash
MAX=10
max=$( wc -l /mnt/create/userfile | cut -d " " -f 1 )
for NUM in $( seq 1 $MAX )
IP=172.25.254.$NUM
do
for num in $( seq 1 $max )
do
ping -c1 -w1 $IP &> /dev/null && (
/mnt/.ssh.exp $IP redhat hostname | grep -E "^The|ECDSA|connecting|Warning|password|spawn" -v && (
USERNAME=$( sed -n ${num}p /mnt/create/userfile )
PASSWD=$(sed -n ${num}p /mnt/create/password )
useradd $USERNAME
echo $PASSWD | passwd --stdin $USERNAME
))
done
done
=10
max=$( wc -l /mnt/create/userfile | cut -d " " -f 1 )
for NUM in $( seq 1 $MAX )
IP=172.25.254.$NUM
do
for num in $( seq 1 $max )
do
ping -c1 -w1 $IP &> /dev/null && (
/mnt/.ssh.exp $IP redhat hostname | grep -E "^The|ECDSA|connecting|Warning|password|spawn" -v && (
USERNAME=$( sed -n ${num}p /mnt/create/userfile )
PASSWD=$(sed -n ${num}p /mnt/create/password )
useradd $USERNAME
echo $PASSWD | passwd --stdin $USERNAME
))
done
done
/mnt/.ssh.exp
#!/usr/bin/expect
set timeout 3
set IP [lindex $argv 0]
set PASS [lindex $argv 1]
set COMM [lindex $argv 2]
spawn ssh root@$IP $COMM
expect {
"yes/no"
{send "yes\r";exp_continue}
"password:"
{send "$PASS\r"}
}
expect eof
/mnt/create/userfile
tbr1
tbr2
tbr3
/mnt/create/password
123
123
123
Shell脚本