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guoyanyan
fe8c0cf45c
Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com> Co-authored-by: guoyanyan <guoyanyan3@huawei.com> Co-committed-by: guoyanyan <guoyanyan3@huawei.com>
21 lines
2.6 KiB
HTML
21 lines
2.6 KiB
HTML
<a name="EN-US_TOPIC_0131700228"></a><a name="EN-US_TOPIC_0131700228"></a>
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<h1 class="topictitle1">Overview</h1>
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<div id="body1537189517641"><div class="section" id="EN-US_TOPIC_0131700228__en-us_topic_0131697115_section1850673212194"><h4 class="sectiontitle">Scenario</h4><p class="msonormal" id="EN-US_TOPIC_0131700228__en-us_topic_0131697115_p1108643">Cloud-Init is a tool developed to initiate VMs or BMSs in the cloud environment. It is used to customize the network configuration, host name, hosts configuration file, username, and password when a user uses images to create VMs or BMSs. Cloud-Init is also required if the password of a VM created by using images is to be generated by the system at random.</p>
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<p class="msonormal" id="EN-US_TOPIC_0131700228__en-us_topic_0131697115_p685514211919">In other case, Cloud-Init is not required. The Cloud-Init installation file has requirements on Linux versions and can only be installed from the Internet. Therefore, ensure that the VM can access the Internet.</p>
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</div>
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<div class="section" id="EN-US_TOPIC_0131700228__en-us_topic_0131697115_section635392014106"><h4 class="sectiontitle">Prerequisites</h4><ul id="EN-US_TOPIC_0131700228__en-us_topic_0131697115_ul19681428161010"><li id="EN-US_TOPIC_0131700228__en-us_topic_0131697115_li14681428171011">You have logged in to the VM.</li><li id="EN-US_TOPIC_0131700228__en-us_topic_0131697115_li195017355102">The host can connect to the Internet.</li><li id="EN-US_TOPIC_0131700228__en-us_topic_0131697115_li10621194611105">You have logged in to the host using VNC Viewer and installed an OS on the host using virt-manager.</li></ul>
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</div>
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<div class="section" id="EN-US_TOPIC_0131700228__en-us_topic_0131697115_section17140453551"><h4 class="sectiontitle">Description</h4><ol id="EN-US_TOPIC_0131700228__en-us_topic_0131697115_ol2153374"><li id="EN-US_TOPIC_0131700228__en-us_topic_0131697115_li54046213">The Cloud-Init installation procedures in the following sections are for reference only. You are advised to download the Cloud-Init from the official website. The Cloud-init version is updated on the official website in real time. Install the latest version.</li><li id="EN-US_TOPIC_0131700228__en-us_topic_0131697115_li16653875">When you modify the <strong id="EN-US_TOPIC_0131700228__en-us_topic_0131697115_b8423527061680">/etc/cloud/cloud.cfg</strong> file, ensure that the file format (such as alignment and spaces) is consistent with the provided example that conforms to the yaml syntax.</li></ol>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="en-us_topic_0100489884.html">Installing Cloud-Init</a></div>
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</div>
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</div>
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