网站开发维护合同书,廊坊百度快照优化,网站开发网页制作薪资,建设网站案例分析介绍:我们在部署无密码访问时,如果手工输入.很费时间.下面方法用于自动化生成authorized_keys,免去了手工数据.方法: 利用expect编写sshkey.exp在远程主机上生成id_rsa,并重定向到本地.在利用noscp.exp.把文件复制到远程主机步骤:(本方法在centos6.4 上验证通过)1 本地执行ssh-…介绍:我们在部署无密码访问时,如果手工输入.很费时间.下面方法用于自动化生成authorized_keys,免去了手工数据.方法: 利用expect编写sshkey.exp在远程主机上生成id_rsa,并重定向到本地.在利用noscp.exp.把文件复制到远程主机步骤:(本方法在centos6.4 上验证通过)1 本地执行ssh-keygen -t rsa2 编写脚本生成 authorized_keys (比如现在有cloud1 和 cloud2 服务器)./sshkey.exp cloud1 root root123 | grep ssh-rsa ~/.ssh/authorized_keys./sshkey.exp cloud2 root root123 | grep ssh-rsa ~/.ssh/authorized_keys3 对于需要建立免密码输入的,把文件拷贝上去./noscp.exp ~/.ssh/authorized_keys cloud1:~/.ssh root root123./noscp.exp ~/.ssh/authorized_keys cloud2:~/.ssh root root1234. 脚本说明./sshkey.exp 主机名 用户名 密码 (在远程主机生成id_rsa)./noscp.exp 本地文件 远程路径 远程用户密码 (无密码拷贝文件)注意:每个主机上必须安装 openssh-clients#!/usr/bin/expect#sshkey.expif {$argc3} {puts stderr Usage: $argv0 host user passwd exit 1}set host [ lindex $argv 0 ]set user [ lindex $argv 1 ]set pwd [ lindex $argv 2 ]set timeout 30#spawn ssh ${user}${host} rm -rf ~/.ssh/id_rsa*##expect {# *yes/no { send yes\r; exp_continue }# *password: { send $pwd\r; exp_continue }#}spawn ssh ${user}${host} ssh-keygen -t rsaexpect {*yes/no { send yes\r; exp_continue }*password: { send $pwd\r; exp_continue }Enter file in which to save the key* { send \n\r; exp_continue }Overwrite* { send y\n; exp_continue }Enter passphrase (empty for no passphrase): { send \n\r; exp_continue }Enter same passphrase again: { send \n\r }}spawn ssh ${user}${host} cat ~/.ssh/id_rsa.pubexpect {*yes/no { send yes\r; exp_continue }*password: { send $pwd\r }}expect eof#!/usr/bin/expect#noscp.expif {$argc4} {puts stderr Usage: $argv0 localfile remotefile user passwd exit 1}set localfile [ lindex $argv 0 ]set remotefile [ lindex $argv 1 ]set user [ lindex $argv 2 ]set pwd [ lindex $argv 3 ]set timeout 30spawn scp ${localfile} ${user}${remotefile}expect {*yes/no { send yes\r; exp_continue }*password: { send $pwd\r }}expect eof
