centos把网卡名称修改为eth0的方法

一片净地 發表於 2023-8-21 00:00:00

<p>
centos 把网卡名称修改为 eth0</p>
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默认网卡名称是 eno16777736</p>
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<strong>1、修改配置文件 ifcfg-eno16777736</strong></p>
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<code class="bash plain"></code><code class="bash comments"># cd /etc/sysconfig/network-scripts/</code>
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<code class="bash plain"></code><code class="bash comments"># vim ifcfg-eno16777736</code>
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将 NAME 和 DEVICE 修改为 eth0</p>
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<code class="bash plain">TYPE=Ethernet</code>
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<code class="bash plain">BOOTPROTO=dhcp</code>
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<code class="bash plain">DEFROUTE=</code><code class="bash functions">yes</code>
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<code class="bash plain">IPV4_FAILURE_FATAL=no</code>
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<code class="bash plain">IPV6INIT=</code><code class="bash functions">yes</code>
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<code class="bash plain">IPV6_AUTOCONF=</code><code class="bash functions">yes</code>
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<code class="bash plain">IPV6_DEFROUTE=</code><code class="bash functions">yes</code>
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<code class="bash plain">IPV6_FAILURE_FATAL=no</code>
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<code class="bash plain">NAME=eth0</code>
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<code class="bash plain">UUID=0fea6de7-54d9-4a8d-bddc-3061678e8a0e</code>
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<code class="bash plain">DEVICE=eth0</code>
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<code class="bash plain">ONBOOT=</code><code class="bash functions">yes</code>
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<code class="bash plain">PEERDNS=</code><code class="bash functions">yes</code>
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<code class="bash plain">PEERROUTES=</code><code class="bash functions">yes</code>
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<code class="bash plain">IPV6_PEERDNS=</code><code class="bash functions">yes</code>
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<code class="bash plain">IPV6_PEERROUTES=</code><code class="bash functions">yes</code>
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重命名该文件</p>
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<code class="bash functions">mv</code> <code class="bash plain">ifcfg-eno16777736 ifcfg-eth0</code>
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<strong>2、禁用该可预测命名规则</strong></p>
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在 grup 文件里面的 GRUB_CMDLINE_LINUX 变量添加 net.ifnames=0 biosdevname=0</p>
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<code class="bash plain"></code><code class="bash comments"># vim /etc/default/grub</code>
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<code class="bash plain">GRUB_TIMEOUT=5</code>
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<code class="bash plain">GRUB_DISTRIBUTOR=</code><code class="bash string">"$(sed 's, release .*$,,g' /etc/system-release)"</code>
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<code class="bash plain">GRUB_DEFAULT=saved</code>
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<code class="bash plain">GRUB_DISABLE_SUBMENU=</code><code class="bash functions">true</code>
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<code class="bash plain">GRUB_TERMINAL_OUTPUT=</code><code class="bash string">"console"</code>
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<code class="bash plain">GRUB_CMDLINE_LINUX=</code><code class="bash string">"crashkernel=auto net.ifnames=0 biosdevname=0 rhgb quiet"</code>
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<code class="bash plain">GRUB_DISABLE_RECOVERY=</code><code class="bash string">"true"</code>
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运行命令重新生成GRUB配置并更新内核参数</p>
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<code class="bash plain"></code><code class="bash comments"># grub2-mkconfig -o /boot/grub2/grub.cfg</code>
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<code class="bash plain">Generating grub configuration </code><code class="bash functions">file</code> <code class="bash plain">...</code>
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<code class="bash plain">Found linux image: </code><code class="bash plain">/boot/vmlinuz-3</code><code class="bash plain">.10.0-327.el7.x86_64</code>
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<code class="bash plain">Found initrd image: </code><code class="bash plain">/boot/initramfs-3</code><code class="bash plain">.10.0-327.el7.x86_64.img</code>
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<code class="bash plain">Found linux image: </code><code class="bash plain">/boot/vmlinuz-0-rescue-692c580a413f41d8b51ddc4724500560</code>
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<code class="bash plain">Found initrd image: </code><code class="bash plain">/boot/initramfs-0-rescue-692c580a413f41d8b51ddc4724500560</code><code class="bash plain">.img</code>
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<code class="bash keyword">done</code>
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<strong>3、重启系统 </strong></p>
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<code class="bash plain"></code><code class="bash comments"># reboot now</code>
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查看网卡信息</p>
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<code class="bash plain"></code><code class="bash comments"># ifconfig</code>
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<code class="bash plain">eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500</code>
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<code class="bash spaces">    </code><code class="bash plain">inet 192.168.81.128 netmask 255.255.255.0 broadcast 192.168.81.255</code>
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<code class="bash spaces">    </code><code class="bash plain">inet6 fe80::20c:29ff:fe5b:1a46 prefixlen 64 scopeid 0x20<link></code>
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<code class="bash spaces">    </code><code class="bash plain">ether 00:0c:29:5b:1a:46 txqueuelen 1000 (Ethernet)</code>
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<code class="bash spaces">    </code><code class="bash plain">RX packets 474 bytes 41909 (40.9 KiB)</code>
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<code class="bash spaces">    </code><code class="bash plain">RX errors 0 dropped 0 overruns 0 frame 0</code>
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<code class="bash spaces">    </code><code class="bash plain">TX packets 266 bytes 45987 (44.9 KiB)</code>
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<code class="bash spaces">    </code><code class="bash plain">TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0</code>
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<code class="bash plain">lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536</code>
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<code class="bash spaces">    </code><code class="bash plain">inet 127.0.0.1 netmask 255.0.0.0</code>
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<code class="bash spaces">    </code><code class="bash plain">inet6 ::1 prefixlen 128 scopeid 0x10<host></code>
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<code class="bash spaces">    </code><code class="bash plain">loop txqueuelen 0 (Local Loopback)</code>
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<code class="bash spaces">    </code><code class="bash plain">RX packets 6 bytes 564 (564.0 B)</code>
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<code class="bash spaces">    </code><code class="bash plain">RX errors 0 dropped 0 overruns 0 frame 0</code>
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<code class="bash spaces">    </code><code class="bash plain">TX packets 6 bytes 564 (564.0 B)</code>
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<code class="bash spaces">    </code><code class="bash plain">TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0</code>
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<code class="bash plain">virbr0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500</code>
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<code class="bash spaces">    </code><code class="bash plain">inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255</code>
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<code class="bash spaces">    </code><code class="bash plain">ether 00:00:00:00:00:00 txqueuelen 0 (Ethernet)</code>
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<code class="bash spaces">    </code><code class="bash plain">RX packets 0 bytes 0 (0.0 B)</code>
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<code class="bash spaces">    </code><code class="bash plain">RX errors 0 dropped 0 overruns 0 frame 0</code>
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<code class="bash spaces">    </code><code class="bash plain">TX packets 0 bytes 0 (0.0 B)</code>
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<code class="bash spaces">    </code><code class="bash plain">TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0</code>
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<p>
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。</p>
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原文链接：http://www.cnblogs.com/lxmhhy/p/6428884.html</p>

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centos把网卡名称修改为eth0的方法