Ubuntu重启网卡的三种方法
一、network
利用root帐户
# service network restart
利用root帐户
# service network restart
或者/etc/init.d/networking restart
二、ifdown/ifup
# ifdown eth0
# ifup eth0
三、ifconfig
# ifconfig eth0 down
# ifconfig eth0 up
Ubuntu14.04修改配置，重启网卡没有生效，出现如下问题：
service networking restart //重启网络服务
stop: Job failed while stopping
start: Job is already running: networking
stop: Job failed while stopping
start: Job is already running: networking
tail -f /var/log/upstart/networking.log //查看错误日志
Stopping or restarting the networking job is notsupported.
Use ifdown & ifup to reconfigure desired interface.
Stopping or restarting the networking job is notsupported.
Use ifdown & ifup to reconfigure desired interface.
从以上日志内容可以看出，传统的service重启和停止网络已经不再支持了，需要通过使用ifdown &ifup来实现相应的操作。
重启指定网卡
ifdown eth0 && ifup eth0
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作者：marc07
来源：CSDN
原文：https://blog.csdn.net/marc07/article/details/62885872
版权声明：本文为博主原创文章，转载请附上博文链接！
---------------------
作者：marc07
来源：CSDN
原文：https://blog.csdn.net/marc07/article/details/62885872
版权声明：本文为博主原创文章，转载请附上博文链接！
