Ubuntu expect使用经验

自动登录

apt-get install autossh

apt-get remove expect

autossh.sh

set IPandPort yourport
set username username
set remoteHost xxx.xxx.xxx.xxx
set password yourpassword

while (1) {
set connectedFlag 0;
spawn /usr/bin/ssh -p $IPandPort $username@$remoteHost;
match_max 100000;
set timeout 60;
expect {
"?sh: Error*"
{ puts "CONNECTION_ERROR"; exit; }
"*yes/no*"
{ send "yes\r"; exp_continue; }
"*?assword:*" {
send "$password\r"; set timeout 4;
expect "*?assword:*" { puts "WRONG_PASSWORD"; exit; }
set connectedFlag 1;
}
# if no password
"*~*"
{ send "echo hello\r"; set connectedFlag 1; }
}
if { $connectedFlag == 0 } {
close;
puts "SSH server unavailable,retrying...";
continue;
}

while (1) {
set conAliveFlag 0;
interact {
# time interval for checking connection
timeout 60 {
set timeout 10;
send "echo hello\r";
expect "*hello*" { set conAliveFlag 1; }
if { $conAliveFlag == 1 } {
# connection is alive
continue;
} else { break; }
}
}
}

close;
puts "SSH connection Failed,restarting...";
}

运行./autossh.sh

自动登录方法二

#!/usr/bin/expect


set password yourpassword


spawn ssh -p port xxx.xxx.xxx.xxx


set timeout 30000


expect "root@xxx.xxx.xxx.xxx's password:"


set timeout 30000
send "$password\r"
send -- "\r"
interact #这里非常重要,不然登录后不能操作
expect eof

自动拷贝文件至远端机器

#!/usr/bin/expect set password yourPasswor spawn scp -P yourPort /home/fileName.war root@xxx.xxx.xxx.xxx:/usr/local/liferay-portal/deploy/ set timeout 30000 expect "root@xxx.xxx.xxx.xxx's password:" set timeout 30000 send "$password\r" set timeout 30000 send "exit\r" expect eof