linux_ssh_login
#!/usr/local/bin/expect
#dependency
#tcl8.5.12-src.tar.gz, expect5.45.tar.gz
#meet ‘$’ need transform ‘\$’
#host
if {$argc != 1} {
puts “input hostname”
puts “run command:”
puts “1: (./linux_ssh server_a)(ip_a)”
puts “2: (./linux_ssh server_b)(ip_b)”
exit
}
set host [lindex $argv 0]
#/********************get host-name-info begin************************/
if {$host == “server_a”} {
set host “ip_a”
set passwd “passwd_a”
} elseif {$host == “server_b”} {
set host “ip_b”
set passwd “passwd_b”
} else {
puts “error hostname”
exit
}
puts “host: $host”
#/********************get host-name-info end************************/
set timeout 10
spawn ssh “root@$host”
expect “password:”
send “$passwd\r”
interact