我已经根据本书构建了我的 LFS linux ，它工作正常，网络接口卡也在工作。即使它使用dhcpcd服务自动配置IP。
根据那本书的第9章，有一个文件叫做
/etc/sysconfig/ifconfig.eth0
问题是，如果我正在使用wlan0，我是否需要手动修改配置文件或将 eth0 重命名为 wlan0 每次更改网络接口卡，我希望它会自动检测到
这里是由 LFS 书籍生成的初始化网络脚本，/etc/init.d/network与/etc/sysconfig/ifconfig.*
### BEGIN INIT INFO
# Provides: $network
# Required-Start: $local_fs localnet swap
# Should-Start: $syslog firewalld iptables nftables
# Required-Stop: $local_fs localnet swap
# Should-Stop: $syslog firewalld iptables nftables
# Default-Start: 3 4 5
# Default-Stop: 0 1 2 6
# Short-Description: Starts and configures network interfaces.
# Description: Starts and configures network interfaces.
# X-LFS-Provided-By: LFS
### END INIT INFO
case "${1}" in
start)
# Start all network interfaces
for file in /etc/sysconfig/ifconfig.*
do
interface=${file##*/ifconfig.}
# Skip if $file is * (because nothing was found)
if [ "${interface}" = "*" ]; then continue; fi
/sbin/ifup ${interface}
done
;;
stop)
# Unmount any network mounted file systems
umount --all --force --types nfs,cifs,nfs4
# Reverse list
net_files=""
for file in /etc/sysconfig/ifconfig.*
do
net_files="${file} ${net_files}"
done
# Stop all network interfaces
for file in ${net_files}
do
interface=${file##*/ifconfig.}
# Skip if $file is * (because nothing was found)
if [ "${interface}" = "*" ]; then continue; fi
# See if interface exists
if [ ! -e /sys/class/net/$interface ]; then continue; fi
# Is interface UP?
ip link show $interface 2>/dev/null | grep -q "state UP"
if [ $? -ne 0 ]; then continue; fi
/sbin/ifdown ${interface}
done
;;
restart)
${0} stop
sleep 1
${0} start
;;
*)
echo "Usage: ${0} {start|stop|restart}"
exit 1
;;
esac
exit 0
# End network
