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	<title>變更網路卡代號 &#8211; 21點情報網</title>
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		<title>Ubuntu的網路卡編號為何跟Centos/RedHat不一樣?</title>
		<link>https://ailog.tw/lifelog/2019/08/25/ubuntu-nic-name/</link>
		
		<dc:creator><![CDATA[blackjack]]></dc:creator>
		<pubDate>Sun, 25 Aug 2019 06:49:29 +0000</pubDate>
				<category><![CDATA[3C資訊]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Changing Network Interfaces name]]></category>
		<category><![CDATA[Ubuntu]]></category>
		<category><![CDATA[變更網路卡代號]]></category>
		<guid isPermaLink="false">https://ailog.tw/lifelog/?p=601</guid>

					<description><![CDATA[有使用過Ubuntu的網友一定會發現，Ubuntu系統的網路卡代號並不是您熟悉的eth0，為何會跟Centos &#8230; <p class="link-more"><a href="https://ailog.tw/lifelog/2019/08/25/ubuntu-nic-name/" class="more-link">閱讀全文<span class="screen-reader-text">〈Ubuntu的網路卡編號為何跟Centos/RedHat不一樣?〉</span></a></p>]]></description>
										<content:encoded><![CDATA[<p>有使用過Ubuntu的網友一定會發現，Ubuntu系統的網路卡代號並不是您熟悉的eth0，為何會跟Centos/RedHat系統不一樣呢?<span id="more-601"></span>其實這是在系統開機時被變更的網路卡名稱，當然這個機制也是可以關閉的，跟著小編一起來將網路卡名稱還原吧!</p>
<p>步驟一：查詢網路卡代號<br />
指令：<br />
dmesg | grep renamed<br />
<img fetchpriority="high" decoding="async" class="alignnone wp-image-603 size-full" src="https://ailog.tw/lifelog/wp-content/uploads/2019/08/nic-name-001.png" alt="" width="559" height="106" srcset="https://ailog.tw/lifelog/wp-content/uploads/2019/08/nic-name-001.png 559w, https://ailog.tw/lifelog/wp-content/uploads/2019/08/nic-name-001-300x57.png 300w" sizes="(max-width: 559px) 100vw, 559px" /><br />
從上圖可以發現，eth0的網路卡代號被變更成為ens160</p>
<p>步驟二：變更設定檔<br />
指令：<br />
sudo vi /etc/default/grub<br />
<img decoding="async" class="alignnone wp-image-604 size-full" src="https://ailog.tw/lifelog/wp-content/uploads/2019/08/nic-name-002.png" alt="" width="579" height="115" srcset="https://ailog.tw/lifelog/wp-content/uploads/2019/08/nic-name-002.png 579w, https://ailog.tw/lifelog/wp-content/uploads/2019/08/nic-name-002-300x60.png 300w" sizes="(max-width: 579px) 100vw, 579px" /></p>
<p>尋找到「GRUB_CMDLINE_LINUX」將設定變更為「GRUB_CMDLINE_LINUX=&#8221;net.ifnames=0 biosdevname=0&#8243;」<img decoding="async" class="alignnone wp-image-605 size-full" src="https://ailog.tw/lifelog/wp-content/uploads/2019/08/nic-name-003.png" alt="" width="607" height="283" srcset="https://ailog.tw/lifelog/wp-content/uploads/2019/08/nic-name-003.png 607w, https://ailog.tw/lifelog/wp-content/uploads/2019/08/nic-name-003-300x140.png 300w" sizes="(max-width: 607px) 100vw, 607px" /></p>
<p>步驟三：套用設定檔<br />
指令：<br />
sudo update-grub<img loading="lazy" decoding="async" class="alignnone wp-image-606 size-full" src="https://ailog.tw/lifelog/wp-content/uploads/2019/08/nic-name-004.png" alt="" width="576" height="236" srcset="https://ailog.tw/lifelog/wp-content/uploads/2019/08/nic-name-004.png 576w, https://ailog.tw/lifelog/wp-content/uploads/2019/08/nic-name-004-300x123.png 300w" sizes="auto, (max-width: 576px) 100vw, 576px" /></p>
<p>步驟四：變更網路卡IP設定檔<br />
指令：<br />
<span style="font-weight: 400;">sudo vi /etc/network/interfaces<br />
<img loading="lazy" decoding="async" class="alignnone wp-image-607 size-full" src="https://ailog.tw/lifelog/wp-content/uploads/2019/08/nic-name-005.png" alt="" width="572" height="242" srcset="https://ailog.tw/lifelog/wp-content/uploads/2019/08/nic-name-005.png 572w, https://ailog.tw/lifelog/wp-content/uploads/2019/08/nic-name-005-300x127.png 300w" sizes="auto, (max-width: 572px) 100vw, 572px" /></span></p>
<p>透過步驟二的設定，我們已經網路卡代號從ens160還原成eth0，因此網路卡IP的設定檔案也得修改成對應的eth0，不然重新開機後會造成IP套用失敗導致無法上網<br />
<img loading="lazy" decoding="async" class="alignnone wp-image-608 size-full" src="https://ailog.tw/lifelog/wp-content/uploads/2019/08/nic-name-006.png" alt="" width="333" height="395" srcset="https://ailog.tw/lifelog/wp-content/uploads/2019/08/nic-name-006.png 333w, https://ailog.tw/lifelog/wp-content/uploads/2019/08/nic-name-006-253x300.png 253w" sizes="auto, (max-width: 333px) 100vw, 333px" /></p>
<p>步驟五：重新開機後檢視設定<br />
指令：ifconfig<img loading="lazy" decoding="async" class="alignnone wp-image-609 size-full" src="https://ailog.tw/lifelog/wp-content/uploads/2019/08/nic-name-007.png" alt="" width="715" height="432" srcset="https://ailog.tw/lifelog/wp-content/uploads/2019/08/nic-name-007.png 715w, https://ailog.tw/lifelog/wp-content/uploads/2019/08/nic-name-007-300x181.png 300w" sizes="auto, (max-width: 715px) 100vw, 715px" /></p>
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