either "local" is duplicate, or "/24" is a garbage.

Error: either "local" is duplicate, or "/24" is a garbage.

linux网络配置，执行ifup eth0后会提示如上错误，原因是/etc/network/interfaces 文件中的内容格式有问题，检查一下每一行里面有没有多余的空格，每个interface配置完后面有没有多加一个空行。

设置 静态IP

auto eth0
iface eth0 inet static
address 192.168.1.5
netmask 255.255.255.0
gateway 192.168.1.254
dns-nameserver 114.114.114.114

设置动态IP

auto eth0
iface eth0 inet dhcp