<p><strong>1．&nbsp; </strong><strong>What aspects can ECS Instance be applied to?</strong></p> <p>Like traditional hardware servers, ECS can deploy business applications, such as mail system, WEB system, ERP system, etc. After creating an ECS instance, you can use the ECS just like using your own local computer or physical server.</p> <p><strong>2．&nbsp; </strong><strong>How long does it take to open ECS Instance?</strong></p> <p>It usually takes a few minutes to open successfully. If it has not been opened successfully for a long time, please contact online customer service or submit a ticket.</p> <p><strong>3．&nbsp; </strong><strong>Does the purchased ECS support region replacement?</strong></p> <p>It does not support changing regions and availability zones.</p> <p><strong>4．&nbsp; </strong><strong>Can the released ECS be started again?</strong></p> <p>The released ECS cannot be started again. The released ECS cannot be viewed on the instance list page. After the release, it will be cleared. Only the shutdown ECS can be started again.</p> <p><strong>5．&nbsp; </strong><strong>How to check whether the configuration information of the purchased Windows system ECS Instance is consistent with the actual configuration information provided?</strong></p> <p>Using ECS instance specifications of the 4C8G memory Windows system purchased on the Ping An Cloud official website as an example:</p> <p><strong>View memory capacity</strong></p> <p>（1）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Log in to the Windows Instance.</p> <p>（2）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; In the lower-left corner, click the <strong>Start</strong> icon, and on the page that opens, click <strong>Control Panel</strong>.</p> <p>（3）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Enter the <strong>Control Panel</strong> page and click <strong>System and Security</strong>.</p> <p>（4）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Enter the <strong>System and Security</strong> page and click <strong>System</strong>. You can see the memory capacity is 8 G in the system area.</p> <p><strong>View CPU core number</strong></p> <p>（1）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Log in to the Windows Instance.</p> <p>（2）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; In the lower-left corner, click the <strong>Start</strong> icon, and on the page that opens, click <strong>Control Panel</strong>.</p> <p>（3）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Enter the <strong>Control Panel</strong> page and click <strong>System and Security</strong> &gt; <strong>System</strong>.</p> <p>（4）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; In the left navigation pane, click <strong>Device Manager</strong> to enter the <strong>Device Manager</strong> page.</p> <p>（5）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Click the &gt; icon in front of the processor to expand the processor list, and you can see that the number of CPU cores is 4.</p> <p><strong>View the number of disks and disk capacity</strong></p> <p>（1）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Log in to the Windows Instance.</p> <p>（2）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; In the lower-left corner, click the <strong>Start</strong> icon, and on the page that opens, click <strong>Server Manager</strong>.</p> <p>（3）&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; On the <strong>Server Manager</strong> page, click <strong>Storage</strong> &gt; <strong>Disk Management</strong>. You can view the number of disks and disk capacity.</p> <p><strong>6．&nbsp; </strong><strong>How to check whether the configuration information of the purchased Linux system ECS instance is consistent with the actual configuration information provided?</strong></p> <p>Take ECS instance specifications of the 1C4G memory Linux system purchased on the Ping An Cloud official website as an example:</p> <p><strong>View memory capacity</strong></p> <p>Enter the command: grep MemTotal / proc / meminfo</p> <p>Enter the command: Free &ndash;h</p> <p><strong>View CPU core number</strong></p> <p>Enter the command: cat /proc/cpuinfo</p> <p><strong>View the number of disks and disk capacity</strong></p> <p>Enter the command:</p> <p>lsblk</p> <p>The results show that there are two hard drives vda and vdb. vda is a system disk with a capacity of 60 G; vdb is a data disk with a capacity of 20 G.</p>