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Create an Instance

This article describes how to create an ECS Instance in Linux operating system. Prerequisites 1．  You have successfully registered a Ping An Cloud account and passed the real-name authentication. For more information, see<a href="#https://yun.pingan.com/ssr/help/account/register/register" target="_blank"> Account Registration</a> and <a href="#https://yun.pingan.com/ssr/help/account/auth/Certification_Guidelines" target="_blank">Real-Name Authentication</a>. 2．  Your account balance should be no less than 200 RMB. If it is insufficient, see <a href="#https://yun.pingan.com/ssr/help/accounting/recharge/process" target="_blank">Top-Up Process</a>. If you have a voucher, you can use it to top up. For more information, see<a href="#https://yun.pingan.com/ssr/help/accounting/voucher/View" target="_blank"> View Vouchers</a>. 3．  If you want to create an instance of Pay-As-You-Go but the sum of account balance and vouchers cannot cover charge within the next one hour, the instance cannot be created. 4．  You have successfully created VPC. For more information about creating VPC, see <a href="#https://yun.pingan.com/ssr/help/network/vpc/quick_start" target="_blank">Create VPC</a>. 5．  If you want to bind security group, create security group in advance. For more information about creating security groups, see<a href="#https://yun.pingan.com/ssr/help/compute/ecs/manual" target="_blank"> Create a Security Group</a>. Procedures 1．Log in to the<a href="#https://yun.pingan.com/ssr/products/ecs" target="_blank"> ECS homepage</a>. 2．Click Buy Now to enter the Create Instance page of ECS Console. 3．Create the ECS based on the following information. （1）   Basic Configuration: Complete the basic configuration, and click Next. Billing Option <table border="1" cellpadding="0" cellspacing="0"> <tbody> <tr> <td style="background-color:#ededed; vertical-align:top"> Configuration item </td> <td style="background-color:#ededed; vertical-align:top"> Description </td> </tr> <tr> <td style="vertical-align:top"> Billing method </td> <td style="vertical-align:top"> Pay-As-You-Go and subscription are supported. (1) Pay-As-You-Go: It’s paid after usage. The billing unit is RMB per hour. <ul> <li>Advantage: It supports to release resources and refund at any time.</li> <li>Disadvantage: Average hourly price is higher.</li> <li>Instance specifications change: Upgrading and degrading configuration are supported and need to be performed after the instance is stopped.</li> <li>Scenarios: It is applicable to scenarios with explosive growth of business volume, such as temporary expansion, temporary testing, and scientific computing.</li> </ul> (2) Subscription: It’s paid before usage. Billing unit is RMB per month. <ul> <li>Advantage: Average hourly price is low.</li> <li>Disadvantage: It does not support to release resources or refund at any time.</li> <li>Instance specifications change: Upgrading and degrading configuration are supported and need to be performed after the instance is stopped.</li> <li>Scenarios: It is applicable to long-term and stable 24/7 services.</li> </ul> </td> </tr> </tbody> </table> Zone Selection <table border="1" cellpadding="0" cellspacing="0"> <tbody> <tr> <td style="background-color:#ededed; vertical-align:top"> Configuration item </td> <td style="background-color:#ededed; vertical-align:top"> Description </td> </tr> <tr> <td style="vertical-align:top"> Region </td> <td style="vertical-align:top"> Select the region to create the ECS. We recommend that you select the region that is closest to you because it helps improve access speed. </td> </tr> <tr> <td style="vertical-align:top"> Zone </td> <td style="vertical-align:top"> You can select default availability zone if you have no special requirement. If your applications need to be equipped with high disaster recovery, we recommend that you deploy ECS instances in different availability zones of the same region. If low latency between instances is required, we recommend that you create ECS instances in the same availability zone. </td> </tr> <tr> <td style="vertical-align:top"> High availability zone </td> <td style="vertical-align:top"> If you have no special requirement, you can select the default high availability zone. </td> </tr> </tbody> </table> Instance Configuration <table border="1" cellpadding="0" cellspacing="0"> <tbody> <tr> <td style="background-color:#ededed; vertical-align:top"> Configuration item </td> <td style="background-color:#ededed; vertical-align:top"> Description </td> </tr> <tr> <td style="vertical-align:top"> Specification type </td> <td style="vertical-align:top"> Instances vary in different regions. </td> </tr> </tbody> </table> Image <table border="1" cellpadding="0" cellspacing="0"> <tbody> <tr> <td style="background-color:#ededed; vertical-align:top"> Configuration item </td> <td style="background-color:#ededed; vertical-align:top"> Description </td> </tr> <tr> <td style="vertical-align:top"> Image </td> <td style="vertical-align:top"> Three types of images are provided including standard images, custom images and shared images. Standard Image It is provided by Ping An Cloud or the third party partners and only includes initial system environment. Custom Image Create an operating system template including Linux and Windows with the existing ECS instance. Install custom software on the ECS instance and create an image after modifying configuration files. Next time you can use this custom image to create an ECS instance, avoiding to install software and modifying configuration files again. Shared Image A shared image can be used to deploy cross-tenant ECS instances. After the custom image is created, it can be shared with other tenants. Those who sharing the image can use the shared image to quickly create ECS instances that are operated in the same image environment. </td> </tr> <tr> <td style="vertical-align:top"> OS type </td> <td style="vertical-align:top"> Five operating systems are provided including CentOS, Windows Server, Ubuntu, Debian, and RHEL. This article introduces how to purchase a Linux instance. Select Linux operating system (CentOS or Ubuntu). </td> </tr> <tr> <td style="vertical-align:top"> Ping An Hotfix </td> <td style="vertical-align:top"> Ping An hotfix system components can be loaded for free and enable secure application update, patch diagnosis and critical bug fix without restarting. It helps improve security, reliability and availability of the system. Currently only RHEL, CentOS, and Oracle Linux are supported. If you select Ping An hotfix, the system will automatically install the hotfix after initial start and will restart after the hotfix is installed. </td> </tr> </tbody> </table> Disk Configuration <table border="1" cellpadding="0" cellspacing="0"> <tbody> <tr> <td style="background-color:#ededed; vertical-align:top"> Configuration item </td> <td style="background-color:#ededed; vertical-align:top"> Description </td> </tr> <tr> <td style="vertical-align:top"> System disk </td> <td style="vertical-align:top"> It provides a system disk of 60 GB by default. </td> </tr> <tr> <td style="vertical-align:top"> Data disk </td> <td style="vertical-align:top"> Each ECS can only add five data disks. Capacity of each data disk is limited to 20 GB to 2000 GB. Note: •     Currently instance types of general, computing and capacity are supported. •     Capacity EBS, general EBS, high-efficiency EBS and super-efficiency EBS that are billed by Pay-As-You-Go can uninstall the mounting. SSD EBS cannot be uninstalled or mounted but released together with an instance. •     The specifications of an SSD instance cannot be changed after the instance is created. Attached data disk SSD local disk of the instance does not support uninstalling the mounting, expansion, or independent release. SSD local disk cannot be purchased independently but together with the instance. •     The specifications of a computing-exclusive instance cannot be changed after the instance is created. Attached disk local SAS disk does not support mounting, expansion or independent release. Local SAS disk cannot be purchased independently but together with the instance. </td> </tr> </tbody> </table> （2）   Network Configuration: Configure network based on the following information, and click Next. Network Configuration <table border="1" cellpadding="0" cellspacing="0"> <tbody> <tr> <td style="background-color:#ededed; vertical-align:top"> Configuration item </td> <td style="background-color:#ededed; vertical-align:top"> Description </td> </tr> <tr> <td style="vertical-align:top"> VPC </td> <td style="vertical-align:top"> Select VPC of the ECS. For more information, see Create VPC. </td> </tr> <tr> <td style="vertical-align:top"> Subnet </td> <td style="vertical-align:top"> Select subnet under VPC. Network domain and computing service in DMZ have the access to Internet products. </td> </tr> <tr> <td style="vertical-align:top"> Security group </td> <td style="vertical-align:top"> You can decide whether to bind to a security group. If there is no security group to select, see Create a Security Group. </td> </tr> </tbody> </table> Security Configuration You can decide whether to select Ping An Host Security service. If it is selected, it will provide basic service for free including detecting log-in security to safeguard your server. （3）   System Configuration: Configure system based on the following information, and click Next. System Configuration <table border="1" cellpadding="0" cellspacing="0"> <tbody> <tr> <td style="background-color:#ededed; vertical-align:top"> Configuration item </td> <td style="background-color:#ededed; vertical-align:top"> Description </td> </tr> <tr> <td style="vertical-align:top"> Host name </td> <td style="vertical-align:top"> Enter the name of a cloud host. Each host name begins with a letter. Letters, digits, and hyphen (-) can be used in the host name, but hyphen (-) cannot be used in the end. The name should contain no more than 64 characters. Multiple host names should be separated with a comma. </td> </tr> <tr> <td style="vertical-align:top"> Description </td> <td style="vertical-align:top"> Enter the description of a cloud host. Description can be Chinese and English letters, space, digit, at sign (@), underscore (_), and hyphen (-). The description should contain no more than 128 characters. </td> </tr> <tr> <td style="vertical-align:top"> Account management </td> <td style="vertical-align:top"> You can decide whether to select disable root or administrator account. </td> </tr> <tr> <td style="vertical-align:top"> Username </td> <td style="vertical-align:top"> Enter a custom username. • 1 - 32 characters. • Uppercase and lowercase English letters, digits, underscore (_), and hyphen (-) are allowed. • The first letter cannot be hyphen (-). </td> </tr> <tr> <td style="vertical-align:top"> Login method </td> <td style="vertical-align:top"> There are two login methods including custom password and keys. (1) Custom password It adopts the encryption method of Ping An Cloud account password, and requires to encrypt and transmit at the front end. The custom password: <ul> <li>should be 8 - 16 characters.</li> <li>must include at least three of them: Uppercase English letters (A-Z), lowercase English letters (a-z), digits (0-9) and special characters of exclamation point (!), at sign (@), number sign (#), dollar sign ($), percent (%), caret (^), and ampersand (&). </li> </ul> (2) Keys Keys consist of public key and private key files and help you securely connect to your instances. If you select keys to log in, it will disable login method of using account and password by default. We recommend that you log in with keys. </td> </tr> </tbody> </table> Tag Configuration If you need a tag, you can click Add and enter key value. Click Add > Confirm. （4）   Confirm Configuration: In the Configuration List area, check relevant information. If you want to change any information, click Edit. In the Purchase Options area, you can select quantity as you need. 1. Click Purchase to enter the Order Confirmation page. 2. Check your order, and click Confirm Open to enter the Payment Result page. Result Click Manage, then you can return to ECS console and view the ECS that is just created on Instance Management page.

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