Linux网卡无法启动报错RTNETLINK answers: File exists怎么办?
<p>在Linux主机上进行网卡参数配置修改后,经常会有重启网卡的情况,有时候网卡重启会出现报错RTNETLINK answers: File exists,这是什么原因造成的?详细请请看下文介绍。</p><p align="center"><img src="https://img.jbzj.com/file_images/article/202105/2021051816021689.jpg" alt="" /></p>
<h3>一、问题描述</h3>
<p>Linux下通过<span style="color: rgb(255, 0, 0);"><strong>service network restart命令重启网卡</strong></span>,出现如图重启失败报错。</p>
<p align="center"><img src="https://img.jbzj.com/file_images/article/202105/2021051816021690.jpg" alt="" /></p>
<h3>二、查看问题详情</h3>
<p>使用systemctl status network.service命令查看错误详情。</p>
<p align="center"><img src="https://img.jbzj.com/file_images/article/202105/2021051816021791.jpg" alt="" /></p>
<h3>三、原因分析与解决办法</h3>
<p><span style="color: rgb(255, 0, 0);"><strong>出现这种报错一般是和 NetworkManager 服务冲突导致的</strong></span>,直接关闭 NetworkManger 服务就好了, service NetworkManager stop,<strong>并且禁止开机启动 systemctl disable NetworkManager</strong></p>
<p align="center"><img src="https://img.jbzj.com/file_images/article/202105/2021051816021792.jpg" alt="" /></p>
<p><strong>重启网络服务</strong></p>
<p><span style="color: rgb(255, 0, 0);"><strong>service network restart</strong></span></p>
<p align="center"><img src="https://img.jbzj.com/file_images/article/202105/2021051816021793.jpg" alt="" /></p>
<p><strong>检查网卡状态</strong>,显示active为正常</p>
<p><span style="color: rgb(255, 0, 0);"><strong>systemctl status network.service</strong></span></p>
<p align="center"><img src="https://img.jbzj.com/file_images/article/202105/2021051816021794.jpg" alt="" /></p>
<p><span style="color: rgb(255, 0, 0);"><strong>注意事项:</strong></span></p>
<p>Centos7之上使用命令systemctl disable NetworkManager 关闭自启动</p>
<p>以上就是Linux网卡无法启动问题的原因分析和解决办法,希望大家喜欢,请继续关注琼殿技术社区。</p>
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