CentOS 启用网卡
<p>版本：CentOS 7</p><p> </p>
<p> </p>
<p>临时启用</p>
<p>首先查看网卡：</p>
<div class="cnblogs_code">
<pre>$ ip addr
</span><span style="color: rgba(128, 0, 128, 1)">1</span>: lo: <LOOPBACK,UP,LOWER_UP> mtu <span style="color: rgba(128, 0, 128, 1)">65536</span> qdisc noqueue state UNKNOWN group default qlen <span style="color: rgba(128, 0, 128, 1)">1000</span><span style="color: rgba(0, 0, 0, 1)">
link</span>/loopback <span style="color: rgba(128, 0, 128, 1)">00</span>:<span style="color: rgba(128, 0, 128, 1)">00</span>:<span style="color: rgba(128, 0, 128, 1)">00</span>:<span style="color: rgba(128, 0, 128, 1)">00</span>:<span style="color: rgba(128, 0, 128, 1)">00</span>:<span style="color: rgba(128, 0, 128, 1)">00</span> brd <span style="color: rgba(128, 0, 128, 1)">00</span>:<span style="color: rgba(128, 0, 128, 1)">00</span>:<span style="color: rgba(128, 0, 128, 1)">00</span>:<span style="color: rgba(128, 0, 128, 1)">00</span>:<span style="color: rgba(128, 0, 128, 1)">00</span>:<span style="color: rgba(128, 0, 128, 1)">00</span><span style="color: rgba(0, 0, 0, 1)">
inet </span><span style="color: rgba(128, 0, 128, 1)">127.0</span>.<span style="color: rgba(128, 0, 128, 1)">0.1</span>/<span style="color: rgba(128, 0, 128, 1)">8</span><span style="color: rgba(0, 0, 0, 1)"> scope host lo
valid_lft forever preferred_lft forever
inet6 ::</span><span style="color: rgba(128, 0, 128, 1)">1</span>/<span style="color: rgba(128, 0, 128, 1)">128</span><span style="color: rgba(0, 0, 0, 1)"> scope host
valid_lft forever preferred_lft forever
</span><span style="color: rgba(128, 0, 128, 1)">2</span>: enp2s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu <span style="color: rgba(128, 0, 128, 1)">1500</span> qdisc mq state DOWN group default qlen <span style="color: rgba(128, 0, 128, 1)">1000</span><span style="color: rgba(0, 0, 0, 1)">
link</span>/ether a4:<span style="color: rgba(128, 0, 128, 1)">17</span>:<span style="color: rgba(128, 0, 128, 1)">91</span>:<span style="color: rgba(128, 0, 128, 1)">00</span>:<span style="color: rgba(128, 0, 128, 1)">32</span><span style="color: rgba(0, 0, 0, 1)">:b8 brd ff:ff:ff:ff:ff:ff
</span><span style="color: rgba(128, 0, 128, 1)">3</span>: enp3s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu <span style="color: rgba(128, 0, 128, 1)">1500</span> qdisc mq state DOWN group default qlen <span style="color: rgba(128, 0, 128, 1)">1000</span><span style="color: rgba(0, 0, 0, 1)">
link</span>/ether a4:<span style="color: rgba(128, 0, 128, 1)">17</span>:<span style="color: rgba(128, 0, 128, 1)">91</span>:<span style="color: rgba(128, 0, 128, 1)">00</span>:<span style="color: rgba(128, 0, 128, 1)">32</span><span style="color: rgba(0, 0, 0, 1)">:b9 brd ff:ff:ff:ff:ff:ff
</span><span style="color: rgba(128, 0, 128, 1)">4</span>: enp4s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu <span style="color: rgba(128, 0, 128, 1)">1500</span> qdisc mq state DOWN group default qlen <span style="color: rgba(128, 0, 128, 1)">1000</span><span style="color: rgba(0, 0, 0, 1)">
link</span>/ether a4:<span style="color: rgba(128, 0, 128, 1)">17</span>:<span style="color: rgba(128, 0, 128, 1)">91</span>:<span style="color: rgba(128, 0, 128, 1)">00</span>:<span style="color: rgba(128, 0, 128, 1)">32</span><span style="color: rgba(0, 0, 0, 1)">:ba brd ff:ff:ff:ff:ff:ff
</span><span style="color: rgba(128, 0, 128, 1)">5</span>: enp5s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu <span style="color: rgba(128, 0, 128, 1)">1500</span> qdisc mq state DOWN group default qlen <span style="color: rgba(128, 0, 128, 1)">1000</span><span style="color: rgba(0, 0, 0, 1)">
link</span>/ether a4:<span style="color: rgba(128, 0, 128, 1)">17</span>:<span style="color: rgba(128, 0, 128, 1)">91</span>:<span style="color: rgba(128, 0, 128, 1)">00</span>:<span style="color: rgba(128, 0, 128, 1)">32</span><span style="color: rgba(0, 0, 0, 1)">:bb brd ff:ff:ff:ff:ff:ff
</span><span style="color: rgba(128, 0, 128, 1)">6</span>: wwp0s21u4i4: <BROADCAST,MULTICAST> mtu <span style="color: rgba(128, 0, 128, 1)">1500</span> qdisc noop state DOWN group default qlen <span style="color: rgba(128, 0, 128, 1)">1000</span><span style="color: rgba(0, 0, 0, 1)">
link</span>/ether <span style="color: rgba(128, 0, 128, 1)">72</span>:<span style="color: rgba(128, 0, 128, 1)">78</span><span style="color: rgba(0, 0, 0, 1)">:1a:e2:ce:da brd ff:ff:ff:ff:ff:ff
</span><span style="color: rgba(128, 0, 128, 1)">7</span>: enp10s0f0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu <span style="color: rgba(128, 0, 128, 1)">1500</span> qdisc mq state DOWN group default qlen <span style="color: rgba(128, 0, 128, 1)">1000</span><span style="color: rgba(0, 0, 0, 1)">
link</span>/ether a4:<span style="color: rgba(128, 0, 128, 1)">17</span>:<span style="color: rgba(128, 0, 128, 1)">91</span>:<span style="color: rgba(128, 0, 128, 1)">00</span>:<span style="color: rgba(128, 0, 128, 1)">32</span><span style="color: rgba(0, 0, 0, 1)">:bc brd ff:ff:ff:ff:ff:ff
</span><span style="color: rgba(128, 0, 128, 1)">8</span>: enp10s0f1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu <span style="color: rgba(128, 0, 128, 1)">1500</span> qdisc mq state UP group default qlen <span style="color: rgba(128, 0, 128, 1)">1000</span><span style="color: rgba(0, 0, 0, 1)">
link</span>/ether a4:<span style="color: rgba(128, 0, 128, 1)">17</span>:<span style="color: rgba(128, 0, 128, 1)">91</span>:<span style="color: rgba(128, 0, 128, 1)">00</span>:<span style="color: rgba(128, 0, 128, 1)">32</span><span style="color: rgba(0, 0, 0, 1)">:bd brd ff:ff:ff:ff:ff:ff
inet </span><span style="color: rgba(128, 0, 128, 1)">192.168</span>.<span style="color: rgba(128, 0, 128, 1)">6.101</span>/<span style="color: rgba(128, 0, 128, 1)">24</span> brd <span style="color: rgba(128, 0, 128, 1)">192.168</span>.<span style="color: rgba(128, 0, 128, 1)">6.255</span><span style="color: rgba(0, 0, 0, 1)"> scope global noprefixroute dynamic enp10s0f1
valid_lft 7105sec preferred_lft 7105sec
inet6 fe80::a939:63c9:159c:</span><span style="color: rgba(128, 0, 128, 1)">3168</span>/<span style="color: rgba(128, 0, 128, 1)">64</span><span style="color: rgba(0, 0, 0, 1)"> scope link noprefixroute
valid_lft forever preferred_lft forever
</span><span style="color: rgba(128, 0, 128, 1)">9</span>: wlp8s0: <BROADCAST,MULTICAST> mtu <span style="color: rgba(128, 0, 128, 1)">1500</span> qdisc noop state DOWN group default qlen <span style="color: rgba(128, 0, 128, 1)">1000</span><span style="color: rgba(0, 0, 0, 1)">
link</span>/ether <span style="color: rgba(128, 0, 128, 1)">04</span>:f0:<span style="color: rgba(128, 0, 128, 1)">21</span>:<span style="color: rgba(128, 0, 128, 1)">64</span>:ca:ab brd ff:ff:ff:ff:ff:ff</pre>
</div>
<p> </p>
<p>启用（重启后还是未启用）</p>
<div class="cnblogs_code">
<pre>ifup your-eth-name</pre>
</div>
<p> </p>
<p> </p>
<p>永久生效：</p>
<div class="cnblogs_code">
<pre>$ cd /etc/sysconfig/network-scripts/<span style="color: rgba(0, 0, 0, 1)">
$ <span style="color: rgba(0, 0, 255, 1)">ls</span><span style="color: rgba(0, 0, 0, 1)">
ifcfg</span>-enp10s0f0ifcfg-enp3s0ifcfg-lo ifdown-eth ifdown-isdnifdown-routesifdown-TeamPortifup-aliasesifup-ipppifup-plip ifup-ppp ifup-Team ifup-wireless network-functions-<span style="color: rgba(0, 0, 0, 1)">ipv6
ifcfg</span>-enp10s0f1ifcfg-enp4s0ifdown ifdown-ipppifdown-postifdown-sit ifdown-tunnel ifup-bnep ifup-ipv6ifup-plusbifup-routesifup-TeamPortinit.ipv6-<span style="color: rgba(0, 0, 0, 1)">global
ifcfg</span>-enp2s0 ifcfg-enp5s0ifdown-bnepifdown-ipv6ifdown-ppp ifdown-Team ifup ifup-eth ifup-isdnifup-post ifup-sit ifup-tunnel network-functions</pre>
</div>
<p> </p>
<p>编辑对应网卡的 ifcfg- 文件，将 ONBOOT设为yes</p>
<div class="cnblogs_code">
<pre>$ <span style="color: rgba(0, 0, 255, 1)">cat</span> ifcfg-<span style="color: rgba(0, 0, 0, 1)">enp10s0f1
TYPE</span>=<span style="color: rgba(0, 0, 0, 1)">Ethernet
PROXY_METHOD</span>=<span style="color: rgba(0, 0, 0, 1)">none
BROWSER_ONLY</span>=<span style="color: rgba(0, 0, 0, 1)">no
BOOTPROTO</span>=<span style="color: rgba(0, 0, 0, 1)">dhcp
DEFROUTE</span>=<span style="color: rgba(0, 0, 0, 1)">yes
IPV4_FAILURE_FATAL</span>=<span style="color: rgba(0, 0, 0, 1)">no
IPV6INIT</span>=<span style="color: rgba(0, 0, 0, 1)">yes
IPV6_AUTOCONF</span>=<span style="color: rgba(0, 0, 0, 1)">yes
IPV6_DEFROUTE</span>=<span style="color: rgba(0, 0, 0, 1)">yes
IPV6_FAILURE_FATAL</span>=<span style="color: rgba(0, 0, 0, 1)">no
IPV6_ADDR_GEN_MODE</span>=stable-<span style="color: rgba(0, 0, 0, 1)">privacy
NAME</span>=<span style="color: rgba(0, 0, 0, 1)">enp10s0f1
UUID</span>=cc7fe815-bd52-4ea3-afe1-<span style="color: rgba(0, 0, 0, 1)">6d28a0636e40
DEVICE</span>=<span style="color: rgba(0, 0, 0, 1)">enp10s0f1
ONBOOT</span>=yes</pre>
</div>
<p> </p>
<p>最后重启网络服务生效：</p>
<div class="cnblogs_code">
<pre>service network restart</pre>
</div>
<p> </p><br><br>
来源：https://www.cnblogs.com/zoneofmine/p/13225500.html
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