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Ubuntu Server 13.04 启动时未执行 rc.local

tag-icon • tag-icon 13.04 server startup
Ubuntu Server 13.04 启动时未执行 rc.local

我正在尝试iptables在启动时为我的 VPN 服务添加一些规则rc.local。
我的rc.local文件是：

#!/bin/sh -e
#
# rc.local
#
# This script is executed at the end of each multiuser runlevel.
# Make sure that the script will "exit 0" on success or any other
# value on error.
#
# In order to enable or disable this script just change the execution
# bits.
#
# By default this script does nothing.

iptables -A FORWARD -m state --state RELATED,ESTABLISHED -j ACCEPT
iptables -A FORWARD -s 10.8.0.0/24 -j ACCEPT
iptables -A FORWARD -j REJECT
iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -j SNAT --to-source #######
exit 0

它是可执行的：

-rwxr-xr-x 1 root root 529 Nov 24 06:01 /etc/rc.local

但它不会在启动时运行！（没有添加任何规则！）

有什么问题？
如何让它在启动时运行？

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