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		<title>试用Alibaba Cloud Linux 3.2104 64位</title>
		<link>/2021/05/17/hello-world/</link>
					<comments>/2021/05/17/hello-world/#comments</comments>
		
		<dc:creator><![CDATA[baogg]]></dc:creator>
		<pubDate>Mon, 17 May 2021 06:33:27 +0000</pubDate>
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					<description><![CDATA[最近阿里云发布了最新版本Alibaba Cloud Linux 3.2104系统，正想升级一下ECS的系统，体&#8230; <a class="more-link" href="/2021/05/17/hello-world/">继续阅读<span class="screen-reader-text">试用Alibaba Cloud Linux 3.2104 64位</span></a>]]></description>
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<p>        最近阿里云发布了最新版本Alibaba Cloud Linux 3.2104系统，正想升级一下ECS的系统，体验一下先。</p>



<p>      首先将ECS关机并将系统切换成Alibaba Cloud Linux 3.2104 64;一切很快。</p>



<p>       然后更新一下系统先,dnf update；发现无法更新，报错：Errors during downloading metadata for repository &#8216;extras&#8217;: &#8211; Status code: 404 for http://mirrors.cloud.aliyuncs.com/alinux/3/extras/x86_64/repodata/repomd.xml (IP: 100.100.2.148)； 删除/etc/yum.repos.d/ALinux-Base.repo中的[extras];然后重新运行dnf update成功。</p>



<p>    之后是安装docker；按照阿里云的教程（https://developer.aliyun.com/article/110806），提示错误 ERROR: Unsupported distribution &#8216;alinux&#8217;。按照docker官方教程（https://docs.docker.com/engine/install/centos/）也无法安装。只好手动修改/etc/yum.repos.d/docker-ce.repo中的变量替换；$basearch => x86_64 ; $releasever => 8 就可以安装docker了。</p>



<p>     目前不知道是阿里云镜像问题还是该系统不太成熟，建议等一等再用。</p>



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