shell expect自动化创建用户,修改密码,多台机器一键免秘钥登录
发布时间:2020-12-15 16:58:02 所属栏目:安全 来源:网络整理
导读:1.创建用户–50台机器上创建用户,不可能手动去干的。 useradd.sh中的代码: #!/bin/bash user=cowpassword=cowuseradd -d /home/ $user $user expect EOF spawn passwd $user expect "New password:" send " ${password} r" expect "Retype new password:"
1.创建用户–50台机器上创建用户,不可能手动去干的。
#!/bin/bash
user=cow
password=cow
useradd -d /home/$user $user
expect << EOF
spawn passwd $user
expect "New password:"
send "${password}r"
expect "Retype new password:"
send "${password}r"
expect eof;
EOF
2.执行该脚本。我们以s2这个机器为例,如果所有那么也要用*表示 2.修改创建用户后的密码:
#!/bin/bash
USER=wyl2
NPASS=wylwyl2
expect << EOF
spawn passwd $USER
expect "New password:"
send "${NPASS}r"
expect "Retype new password:"
send "${NPASS}r"
expect eof;
EOF
3.创建好用户,则可能需要各个机器之间的免秘钥登录:
#!/usr/bin/expect
set timeout -1
#修改配置内容,需要免密码登录的用户
set user ooo
set password ooo
#需要免密码登录的机器
set ipmaster bgs-5p173-wangwenting
set ipslave2 bgs-5p174-wangwenting
set ipslave3 bgs-5p175-wangwenting
set path /home/$user
#创建秘钥
spawn ssh-keygen -t rsa
expect {
#第一次需要输入的enter键,exp_continue如果没有捕获到该信息的时候就跳过这个行为,执行下一次的行为。
".ssh/id_rsa" {send "r";exp_continue}
"Overwrite" {send "yr";exp_continue}
"(empty for no passphrase):" {send "r";exp_continue}
"Enter same passphrase again" {send "r";exp_continue}
}
spawn ssh-copy-id -i $path/.ssh/id_rsa.pub $user@$ipmaster
expect {
"*yes/no*" { send "yesr"; exp_continue}
"*password:" { send "$passwordr" }
}
spawn ssh-copy-id -i $path/.ssh/id_rsa.pub $user@$ipslave2
expect {
"*yes/no*" { send "yesr"; exp_continue}
"*password:" { send "$passwordr" }
}
spawn ssh-copy-id -i $path/.ssh/id_rsa.pub $user@$ipslave3
expect {
"*yes/no*" { send "yesr"; exp_continue}
"*password:" { send "$passwordr" }
}
expect eof
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