用秋水逸冰的l2tp的脚本安装l2tp

wget --no-check-certificate https://raw.githubusercontent.com/teddysun/across/master/l2tp.sh
chmod +x l2tp.sh
./l2tp.sh

修改iptables规则

iptables -t nat -D POSTROUTING 1  //删除nat表中postrouting的第一条规则 
iptables -t nat -A POSTROUTING -s 192.168.18.0/24 -o eth0 -j MASQUERADE //出口绑定网卡，不绑定ip
/sbin/service iptables save        //保存iptables

linode api调用

<?php
//创建linode vps
$chreatelinodeurl="https://api.linode.com/?api_key=kVcGIIl1yzOoW4VDOUDQJTlG6c8ZjXnRNqVLCrYmVQxhbUnn25w9mtGAqaeDqQ4L&api_action=linode.create&DATACENTERID=6&PlanID=1";
$createlinode=file_get_contents($chreatelinodeurl);

$linodeid = substr($createlinode,45,7); 
echo "linodeid=" .$linodeid;
echo "<br/>";
time_sleep_until(time()+20); // 在20秒后执行后面代码
//创建imagedisk
$deployimageurl="https://api.linode.com/?api_key=kVcGIIl1yzOoW4VDOUDQJTlG6c8ZjXnRNqVLCrYmVQxhbUnn25w9mtGAqaeDqQ4L&api_action=linode.disk.createfromimage&imageid=2685490&label=weixin&LinodeID=".$linodeid;

$deployimage=file_get_contents($deployimageurl);
$deployimagediskid=substr($deployimage,57,8); 
echo "deployimagediskid=" . $deployimagediskid;
echo "<br/>";

time_sleep_until(time()+20); // 在20秒后执行后面代码

//建立swap
$createswapurl="https://api.linode.com/?api_key=kVcGIIl1yzOoW4VDOUDQJTlG6c8ZjXnRNqVLCrYmVQxhbUnn25w9mtGAqaeDqQ4L&api_action=linode.disk.create&label=swap&size=512&type=swap&LinodeID=".$linodeid;
$createswap=file_get_contents($createswapurl);
$swapdiskid=substr($createswap,48,8); 
echo "swapdiskid=" . $swapdiskid;
echo "<br/>";
time_sleep_until(time()+20); // 在20秒后执行后面代码

//建立configid
$configidurl="https://api.linode.com/?api_key=kVcGIIl1yzOoW4VDOUDQJTlG6c8ZjXnRNqVLCrYmVQxhbUnn25w9mtGAqaeDqQ4L&api_action=linode.config.create&KernelID=138&label=weixin&LinodeID=".$linodeid."&DiskList=".$deployimagediskid.",".$swapdiskid;
$config=file_get_contents($configidurl);
echo $configidurl;
echo "<br/>";
$configid=substr($config,52,7);
echo $configid;
echo "<br/>";
time_sleep_until(time()+20); // 在20秒后执行后面代码

//启动机器
$booturl="https://api.linode.com/?api_key=kVcGIIl1yzOoW4VDOUDQJTlG6c8ZjXnRNqVLCrYmVQxhbUnn25w9mtGAqaeDqQ4L&api_action=linode.boot&linodeid=".$linodeid."&configid=".$configid;
$boot=file_get_contents($booturl);
echo $boot;
echo "<br/>";

time_sleep_until(time()+20); // 在20秒后执行后面代码
//获取linodeip
$linodeipurl="https://api.linode.com/?api_key=kVcGIIl1yzOoW4VDOUDQJTlG6c8ZjXnRNqVLCrYmVQxhbUnn25w9mtGAqaeDqQ4L&api_action=linode.ip.list&linodeid=".$linodeid;

$linodeip=file_get_contents($linodeipurl);
echo $linodeip;
?>