Shulou(Shulou.com)06/03 Report--

Expect has non-interactive function

Yum-y install expect

Mkpasswd-l 20 # / dev/null 2 > & 1

10 one-click distribution of public key expect script does not specify a host

Vim fenfa_sshkey.exp

#! / usr/bin/expect

If {$argc! = 2} {

Send_user "usage:expect fenfa_sshkey.exp file host\ n"

Exit

}

# define var

Set file [lindex $argv 0]

Set host [lindex $argv 1]

Set password "123456"

# spawn scp / etc/hosts root@10.0.0.142:/etc/hosts

# spawn scp-P6666 $file jiege1@$host:$dir

Spawn ssh-copy-id-I $file "- p6666 jiege1@$host"

Expect {

"yes/no" {send "yes\ r"; exp_continue}

"* password" {send "$password\ r"}

}

Expect eof

Exit-onexit {

Send_user "jiege say good bye to you!\ n"

}

Expect fenfa_sshkey.exp .ssh / id_dsa.pub 192.168.169.11

# you need to enter the public key and ip manually, but you don't have to enter the yes and password manually (expect non-interactive function). You can write fenfa_sshkey.exp to the script with one click to log in the cluster through the master server ssh.

Write to multiple hosts in batch

Vim fenfa_sshkey.sh

#! / bin/sh

. / etc/init.d/functions

For ip in 11 12 13 14 15

Do

Expect fenfa_sshkey.exp ~ / .ssh/id_dsa.pub 192.168.169.$ip > / dev/null 2 > & 1

If [$?-eq 0]; then

Action "$ip" / bin/true

Else

Action "$ip" / bin/false

Fi

Done

Note that this script should be in the same directory as fenfa_sshkey.exp

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