expect免互交 常用编辑文本

expect免互交

yum -y install expect

cat ip_pass.txt #这里写上要执行的IP地址和root用户密码
192.168.1.63
192.168.1.63
192.168.1.63
cat ssh2.exp #编写要执行的操作
#!/usr/bin/expect

set ipaddr [lindex $argv ]
set passwd [lindex $argv ]
set timeout
spawn ssh root@$ipaddr
expect {
"yes/no" { send "yes\r";exp_continue }
"password" { send "$passwd\r" }
}

expect "#"
send "touch /root/xuegod1011.txt\r"
send "ls /etc > /root/xuegod1011.txt\r"
send "mkdir /tmp/xuegod1011\r"
send "exit\r"
expect eof
cat login.sh #开始执行
#!/bin/bash
echo
for ip in `awk '{print $1}' /root/ip_pass.txt`
do
pass=`grep $ip /root/ip_pass.txt|awk '{print $2}'`
expect /root/ssh.exp $ip $pass
done

统计/etc/ssh/sshd_config文件中除去空行和#号开头的行的行数
egrep -v "^$|^#" /etc/ssh/sshd_config

[root@localhost ~]# cat /etc/redhat-release
CentOS Linux release 7.4.1708 (Core)
[root@localhost ~]# uname -r
3.10.0-693.el7.x86_64

sed -i 's/root/xuegod/' /etc/passwd

sed -i 's/IPADDR=192.168.1.63/IPADDR=192.168.1.65/' /etc/sysconfig/network-scripts/ifcfg-ens33

cut -f1 -d ":" /etc/passwd

date | md5sum | cut -c1-6

tail -10 /var/log/messages #查看最后10行

tail -f /var/log/messages #动态查询日志

bash -v test.bash #查看bash是否存在语法错误
bash -x test.bash #查看bash详细的执行过程

ps aux | grep mysql |xargs kill -9