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Ubuntu10.10网卡配置文件重启失效

2020-05-27 13:31:53
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   环境:ubuntu 10.10

  目标:配置网卡启动时加载iptables规则

  网络上搜到的各种操作:

  sh -c "iptables-save > /etc/iptables.rules"

  vi /etc/network/interfaces

  ## 目标网卡下增加一条命令

  ## pre-up iptables-restore < /etc/iptables.rules

  但是,经测试发现。重启后这些配置会丢失,查看这个文件头会发现。

  # This configuration file is auto-generated.

  # WARNING: Do not edit this file, your changes will be lost.

  # Please create/edit /etc/network/interfaces.head and /etc/network/interfaces.tail instead,

  # their contents will be inserted at the beginning and at the end

  # of this file, respectively.

  #

  # NOTE: it is NOT guaranteed that the contents of /etc/network/interfaces.tail

  # will be at the very end of this file.

  文件写得很明确,/etc/network/interfaces是自动生成的。如果我们需要自定义配置,那就创建/etc/network/interfaces.head或/etc/network/interfaces.tail。其中/etc/network/interfaces.tail并不推荐。

  以下是一个示例:

  auto venet0:0

  iface venet0:0 inet static

  address 184.22.224.125

  netmask 255.255.255.0

  pre-up iptables-restore < /etc/iptables.rules

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