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	<title>virbr0 &#8211; 21點情報網</title>
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		<title>刪除Centos7、Redhat7的virbr0虛擬網卡</title>
		<link>https://ailog.tw/lifelog/2019/10/17/linux7-virbr0/</link>
		
		<dc:creator><![CDATA[blackjack]]></dc:creator>
		<pubDate>Thu, 17 Oct 2019 03:22:54 +0000</pubDate>
				<category><![CDATA[3C資訊]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[centos]]></category>
		<category><![CDATA[redhat]]></category>
		<category><![CDATA[virbr0]]></category>
		<category><![CDATA[虛擬網路卡]]></category>
		<guid isPermaLink="false">https://ailog.tw/lifelog/?p=1347</guid>

					<description><![CDATA[小編在維護一台Centos 7時發現了一張奇怪的virbr0網路卡，查詢後發現是因為安裝了虛擬套件所產生的虛擬 &#8230; <p class="link-more"><a href="https://ailog.tw/lifelog/2019/10/17/linux7-virbr0/" class="more-link">閱讀全文<span class="screen-reader-text">〈刪除Centos7、Redhat7的virbr0虛擬網卡〉</span></a></p>]]></description>
										<content:encoded><![CDATA[<p>小編在維護一台Centos 7時發現了一張奇怪的virbr0網路卡，查詢後發現是因為安裝了虛擬套件所產生的虛擬網路卡，既然沒用到看了又厭煩，就來把它刪除吧!<span id="more-1347"></span></p>
<p>步驟一：列出虛擬網絡卡<br />
語法為：virsh net-list<br />
<img fetchpriority="high" decoding="async" class="alignnone wp-image-1354 size-full" src="https://ailog.tw/lifelog/wp-content/uploads/2019/10/Linux7-vnic-002.png" alt="" width="464" height="120" srcset="https://ailog.tw/lifelog/wp-content/uploads/2019/10/Linux7-vnic-002.png 464w, https://ailog.tw/lifelog/wp-content/uploads/2019/10/Linux7-vnic-002-300x78.png 300w" sizes="(max-width: 464px) 100vw, 464px" /></p>
<p>步驟二：刪除網路卡<br />
語法為：virsh net-destroy [網路卡名稱]<br />
本範例的指令為：virsh net-destroy default<br />
<img decoding="async" class="alignnone wp-image-1355 size-full" src="https://ailog.tw/lifelog/wp-content/uploads/2019/10/Linux7-vnic-003.png" alt="" width="430" height="52" srcset="https://ailog.tw/lifelog/wp-content/uploads/2019/10/Linux7-vnic-003.png 430w, https://ailog.tw/lifelog/wp-content/uploads/2019/10/Linux7-vnic-003-300x36.png 300w" sizes="(max-width: 430px) 100vw, 430px" /></p>
<p>步驟三：刪除XML設定檔<br />
語法為：virsh net-undefine [網路卡名稱]<br />
本範例的指令為：virsh net-undefine default<br />
<img decoding="async" class="alignnone wp-image-1358 size-full" src="https://ailog.tw/lifelog/wp-content/uploads/2019/10/Linux7-vnic-004.png" alt="" width="387" height="56" srcset="https://ailog.tw/lifelog/wp-content/uploads/2019/10/Linux7-vnic-004.png 387w, https://ailog.tw/lifelog/wp-content/uploads/2019/10/Linux7-vnic-004-300x43.png 300w" sizes="(max-width: 387px) 100vw, 387px" /></p>
<p>步驟四：檢查虛擬網絡卡是否已正常刪除<br />
語法為：virsh net-list<br />
<img loading="lazy" decoding="async" class="alignnone wp-image-1359 size-full" src="https://ailog.tw/lifelog/wp-content/uploads/2019/10/Linux7-vnic-005.png" alt="" width="476" height="73" srcset="https://ailog.tw/lifelog/wp-content/uploads/2019/10/Linux7-vnic-005.png 476w, https://ailog.tw/lifelog/wp-content/uploads/2019/10/Linux7-vnic-005-300x46.png 300w" sizes="auto, (max-width: 476px) 100vw, 476px" /></p>
<p>原廠文件網址：<br />
<a href="https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/virtualization_deployment_and_administration_guide/sect-managing_guest_virtual_machines_with_virsh-managing_virtual_networks">https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/virtualization_deployment_and_administration_guide/sect-managing_guest_virtual_machines_with_virsh-managing_virtual_networks</a></p>
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