The Elastic Compute Service (ECS) console provides a wizard for creating instances. The wizard lists all configuration information used to create an instance and guides you to create an instance.

Preparations

  1. Create an Alibaba Cloud account and complete the account information.
  2. Go to the Custom Launch tab in the ECS console.

Step 1: Complete the settings in the Basic Configurations step

The settings in the Basic Configurations step include the basic requirements for purchasing an instance, such as the billing method, region, and zone, and the basic resources required by the instance, such as the instance type, image, and storage. After you complete the settings in the Basic Configurations step, click Next.

  1. Select a billing method.
    Different billing and charging rules apply to the instance based on the selected billing method. The state changes of instance resources also vary based on the billing method.
    Billing method Description References
    Subscription A billing method in which you pay for resources before you use them. Subscription
    Pay-As-You-Go A billing method in which you use resources first and pay for them afterward. The billing cycles of pay-as-you-go instances are accurate to the second. You can purchase and release instances on demand.
    Note We recommend that you use the pay-as-you-go billing method together with savings plans and reserved instances to reduce costs.
    Preemptible Instance A billing method in which you use resources first and pay for them afterward. You place a bid for available instance resources to create preemptible instances at a discount compared with pay-as-you-go instance pricing. Preemptible instances may be automatically released due to fluctuations in market price or insufficient resources of instance types. Preemptible instances
  2. Select a region and a zone.
    Select a region that is close to your geographical location to reduce latency. After an instance is created, the region and the zone of the instance cannot be changed. For more information, see Regions and zones.
  3. Select an instance type and complete the relevant configurations.
    1. Select an instance type.
      The available instance types vary based on the selected region. You can go to the ECS Instance Types Available for Each Region page to view the instance types available in each region.

      If you have specific configuration requirements for the instance, for example, if you want the instance to have multiple bound elastic network interfaces (ENIs), use enhanced SSDs (ESSDs), or use local disks, make sure that the selected instance type meets the requirements. For more information about the features, applicable scenarios, and specifications of instance types, see Instance families.

      If you purchase instances for specific scenarios, click the Scenario-based Selection tab to view the recommended instance types. For example, you can set Business Scenarios to Web Development and Test, Big Data Cluster, or AI Machine Learning.

    2. If you set Billing Method to Preemptible Instance, configure the Use Duration and Maximum Price for Instance Type parameters.
      The usage duration is the protection period of a preemptible instance. After the protection period ends, the instance may be released due to insufficient resources or lower bids than the market price. The following table describes the valid values of the Use Duration parameter.
      Value Description
      One Hour After the preemptible instance is created, it enters a 1-hour protection period during which it cannot be automatically released.
      None The preemptible instance is created without a protection period. Preemptible instances without a protection period are less expensive than preemptible instances with a protection period.
      The following table describes the valid values of the Maximum Price for Instance Type parameter.
      Value Description
      Use Automatic Bid Uses the real-time market price of the instance type. This price never exceeds the price of the corresponding pay-as-you-go instance. Automatic bidding can prevent the instance from being released due to lower bids than the market price, but cannot prevent the instance from being released due to insufficient resources.
      Set Maximum Price Sets a maximum price. If the real-time market price exceeds the maximum price or if resources are insufficient, the preemptible instance is released.
    3. Specify the number of instances to create.
      You can create a maximum of 100 instances each time by using the wizard. In addition, the number of instances within your account cannot exceed the quota. The quota displayed on the buy page prevails. For more information, see View and increase instance quotas.
  4. Select an image.
    Images contain the information that is required to run instances. Alibaba Cloud provides a variety of image types for you to access image resources. The following table describes the image types.
    Image type Description References
    Public Image Public images are base images provided by Alibaba Cloud. Public images are licensed and include Windows Server OS images and mainstream Linux OS images. Overview
    Custom Image You can create or import custom images. Custom images contain the system environment, application environment, and related software configurations. This eliminates the need for repeated manual configurations. Overview
    Shared Image Shared images are custom images shared by other Alibaba Cloud accounts and allow you to use the same image to create instances across accounts. Share or unshare custom images
    Marketplace Image An extensive range of images are provided in Alibaba Cloud Marketplace. Alibaba Cloud Marketplace images are thoroughly reviewed by Alibaba Cloud and can be used to create instances for website building and application development purposes without additional configurations. Alibaba Cloud Marketplace images
  5. Complete the storage and related settings.
    Instances obtain storage capabilities by attaching system disks, data disks, and Apsara File Storage NAS file systems. ECS provides disks and local disks to meet the requirements of different scenarios.
    Disks can be used as system disks or data disks and include ESSDs, standard SSDs, and ultra disks. For more information, see Cloud disks.
    Note The billing method of a disk that is created along with an instance is the same as that of the instance.
    Local disks can be used only as data disks. If an instance family (such as instance family with local SSDs and big data instance family) is equipped with local disks, the information of the local disks is displayed. For more information, see Local disks.
    Note Local disks cannot be attached to instances on your own.
    1. Select a system disk.
      System disks are used to install operating systems. The default capacity of a system disk is 40 GiB. However, the actual minimum capacity is related to the image. The following table describes the capacities of system disks for different images.
      Image System disk capacity (GiB)
      Linux (excluding CoreOS and Red Hat) [max{20, image size}, 500]
      FreeBSD [max {30, image size}, 500]
      CoreOS [max {30, image size}, 500]
      Red Hat [max {40, image size}, 500]
      Windows [max {40, image size}, 500]
    2. Optional:Select a data disk.
      You can create an empty disk or create a disk from a snapshot. A snapshot is a point-in-time backup of a disk. You can import data in a quick manner by creating a disk from a snapshot. When you choose a data disk, you can encrypt the disk to meet the requirements of scenarios such as data security and regulatory compliance. For more information about data encryption, see Encryption overview.
      Note The number of data disks that can be attached to a single instance is limited. For more information, see the "Elastic Block Storage (EBS) limits" section in Limits.
    3. Optional:Select a NAS file system.
      If you have a large amount of data for sharing by multiple instances, we recommend that you use a NAS file system to reduce costs in data transmission and synchronization.

      Select an existing NAS file system or click Create a General Purpose NAS File System in the NAS console. For more information about how to create a NAS file system, see Create a General-purpose NAS file system in the NAS console. After a NAS file system is created, go back to the ECS instance creation wizard and click the refresh icon to query the most recent NAS file system list. For more information about how to mount NAS file systems, see Mount NAS file systems when you purchase an ECS instance.

  6. Optional:Configure the snapshot service.
    You can use automatic snapshot policies to periodically back up disks to prevent risks such as accidental data deletion.

    Select an existing snapshot policy or click Create Automatic Snapshot Policy to create an automatic snapshot policy on the Snapshots page. For more information about how to create an automatic snapshot policy, see Create an automatic snapshot policy. After an automatic snapshot policy is created, go back to the ECS instance creation wizard and click the refresh icon to query the most recent automatic snapshot policy list.

Step 2: Complete the settings in the Networking step

You can make network and security group configurations to allow the instance to communicate with the Internet and other Alibaba Cloud resources and safeguard the instance in the network. After you complete the settings in the Networking step, click Next.

  1. Select a network type.
    We recommend that you select VPC. Virtual private clouds (VPCs) are physically isolated from each other to ensure security and support features such as elastic IP addresses (EIPs) and elastic network interfaces (ENIs).
    Network type Description References
    VPC A VPC is an isolated network dedicated for your use. You have full control over your VPC. For example, you can specify a private CIDR block and configure route tables and gateways for the VPC.

    If you have not created a VPC in the region selected in the Basic Configurations step, you can skip this step. The system creates a default VPC and vSwitch in that region.

    Select an existing VPC and an existing vSwitch. Alternatively, click go to the VPC console to go to the VPC console to create a VPC and a vSwitch. After the VPC and the vSwitch are created, go back to the ECS instance creation wizard and click the refresh icon to query the most recent VPC and vSwitch lists.

    Classic Instances of the classic network type are deployed in the public infrastructure of Alibaba Cloud, and planned and managed by Alibaba Cloud.
    Note If you purchase an instance for the first time after 12:00 on June 16, 2016 (UTC+8), you can no longer select the classic network.
    Network types
  2. Optional:Assign a public IP address to the instance.
    To enable the instance to access the Internet, you must assign a public IP address to the instance. You can select Assign Public IP Address when you create an instance to have an public IP address automatically assigned to the instance, or you can configure an EIP or a NAT gateway to enable the instance to access the Internet. You can purchase EIPs and NAT gateways on your own. For more information, see What is Elastic IP Address? and What is NAT Gateway?.
    1. Select Assign Public IPv4 Address.
    2. Select a billing method for network usage.
      For more information about the billing methods for network usage, see Public bandwidth.
      Billing method for network usage Description
      Pay-By-Bandwidth You are charged based on the specified bandwidth. This billing method for network usage is applicable to scenarios that require stable network bandwidth.
      Pay-By-Traffic You are charged for the amount of traffic that is actually consumed. You can configure maximum bandwidths for inbound and outbound traffic to avoid unmanageable fees incurred by traffic bursts. This billing method for network usage is applicable to scenarios that require highly variable network bandwidths, such as a scenario where traffic is low most of the time but spikes in traffic intermittently occur.
    3. Set Bandwidth or Peak Bandwidth.
  3. Select a security group.
    A security group is a virtual firewall that is used to control the inbound and outbound traffic of instances in the security group. For more information, see Overview.

    If you do not configure parameters in a security group when you create an instance, you can skip the step. The system creates a default security group. The default security group allows inbound traffic over Secure Shell Protocol (SSH) port 22, Remote Desktop Protocol (RDP) port 3389, and Internet Control Message Protocol (ICMP). You can modify the security group configurations after the group is created.

    1. To create a security group, click Create Security Group.
      For more information about how to configure the security group, see Create a security group.
    2. Click Reselect Security Group.
    3. In the Select Security Group dialog box, select one or more security groups and click Select.
  4. Configure an ENI.
    ENIs include primary ENIs and secondary ENIs. Primary ENIs cannot be unbound from instances. They can be created and released only along with instances. Secondary ENIs can be bound to or be unbound from instances to allow traffic to be switched between instances. To create a secondary ENI when you create an instance, click the add-nic icon and select a vSwitch to which the secondary ENI belongs.
    Note You can bind only one secondary ENI when you create an instance. You can also create the secondary ENIs and bind them to an instance after the instance is created. For more information about the number of ENIs that can be bound to instances of different instance types, see Instance families.

Step 3: (Optional) Complete the settings in the System Configurations (Optional) step

The system configurations include the logon credentials, instance name, and user data, which are used to customize the information or usage of the instance in the ECS console and operating system. Complete the settings in the System Configurations (Optional) step and click Next.

  1. Configure logon credentials.
    Logon credentials are used to log on to instances. For more information about how to connect to instances, see Overview.
    Logon credential Description
    Key Pair Select an existing key pair or click Create Key Pair to create a key pair. After a key pair is created, go back to the ECS instance creation wizard and click the refresh icon to query the most recent key pair list. For more information, see Create an SSH key pair.
    Note Key pairs can be used to log on only to Linux instances.
    Password Enter and confirm the password. When you log on to an instance by using a username and password, the default username for Linux is root and that for Windows is administrator.
    Set Later After the instance is created, bind the key pair or reset the instance password. For more information, see Bind an SSH key pair to an instance and Reset the logon password of an instance.
  2. Specify the instance name that you want to display in the ECS console and the hostname that can be obtained from within the operating system.
    If you want to create multiple instances, you can set sequential instance names and hostnames to facilitate management. For more information about how to configure sequential instance names and hostnames, see Batch configure sequential names or hostnames for multiple instances.
  3. Configure advanced options.
    1. Select an instance Resource Access Management (RAM) role.
      Instance RAM roles enable ECS instances to assume roles with specific access permissions. The instance can access the APIs of specific Alibaba Cloud services and manage specific Alibaba Cloud resources based on a Security Token Service (STS) temporary credential. This ensures security.

      Select an existing instance RAM role or click Create Instance RAM Role to create an instance RAM role. After an instance RAM role is created, go back to the ECS instance creation wizard and click the refresh icon to query the most recent instance RAM role list. For more information, see Bind an instance RAM role.

    2. Select an access mode of instance metadata.
      ECS instance metadata contains the information of instances in Alibaba Cloud. You can view the metadata of running instances and configure or manage the instances based on their metadata. You can access instance metadata in normal or security-hardening mode. For more information, see View instance metadata.
    3. Configure user data.
      User data can be run as scripts on instance startup to automate instance configurations, or can be used as common data and passed into instances for use. For more information, see Manage the user data of Linux instances and Manage the user data of Windows instances.

      Enter the user data that you prepared in the User Data field. If the user data is encoded in Base64, select Enter Base64 Encoded Information.

Step 4: (Optional) Complete the settings in the Grouping (Optional) step

Grouping configurations provides ways such as tags and resource groups to batch manage instances. Complete the settings in the Grouping (Optional) step and click Next.

  1. Add tags.
    Each tag consists of a tag key and a tag value. You can add tags to resources that have identical characteristics, such as resources that belong to the same organization and resources that serve the same purpose. You can use tags to search for and manage resources in an efficient manner. For more information, see Overview.

    Select an existing tag, or enter a key and a value to create a tag.

  2. Select a resource group.
    Resource groups allow you to manage cross-region and cross-service resources based on your business requirements and manage the permissions of resource groups. For more information, see Resource groups.

    Select an existing resource group, or click click here to create a resource group on the Resource Group page. After a resource group is created, go back to the ECS instance creation wizard and click the refresh icon to query the most recent resource group list. For more information, see Create a resource group.

  3. Select a deployment set.
    Deployment sets support the high-availability policy. After you apply a high-availability policy to a deployment set, all the instances within the deployment set are distributed across different physical servers to ensure business availability and disaster recovery at the underlying layer.

    Select an existing deployment set or click manage the deployment set to create a deployment set. After the deployment set is created, go back to the ECS instance creation wizard and click the refresh icon to query the most recent deployment set list. For more information, see Create a deployment set.

  4. Select a dedicated host.
    A dedicated host is a cloud host whose physical resources are exclusively reserved for a single tenant. Dedicated hosts meet strict regulatory compliance requirements and support bring your own license (BYOL) when you migrate services to Alibaba Cloud.

    Select an existing dedicated host or click create a DDH to create a dedicated host. After the dedicated host is created, go back to ECS instance creation wizard and click the refresh icon to query the most recent dedicated host list. For more information, see Create a dedicated host.

  5. Select a private pool.
    After an elasticity assurance or a capacity reservation is created, the system generates a private pool to reserve resources for a specific number of instances that have specific attributes. During the validity period of the elasticity assurance or the capacity reservation, you always have access to the resources reserved in the private pool when you want to create instances. For more information, see Overview of Resource Assurance.
    Note Only pay-as-you-go instances can be created from the resources reserved by elasticity assurances or capacity reservations.
    Private pool Description
    Open The capacity in open private pools has a priority over public pool resources. If no capacity is available in private pools, the system attempts to use public pool resources.
    None The capacity in private pools is not used.
    Targeted The capacity in a specified or open private pool is used to create instances. If no capacity is available in the specified private pool, the instances cannot be created.

Step 5: Confirm the order

Before an instance is created, make sure that the selected configurations such as the usage duration meet your requirements.

  1. Check the selected configurations.
    To modify a configuration, click edit to go to the corresponding page. You can save the selected configurations as a template. Then, you can use the template to create instances that have similar configurations. The following table describes the buttons that can be used to save the configurations as a template.
    Operation Description References
    Save as Launch Template Saves the configurations as a launch template. Then, you can create instances from this launch template without making these configurations again. Create an instance by using a launch template
    View Open API Generates the API best-practice workflow and SDK examples for your reference.
    Save as ROS Template Saves the configurations as a Resource Orchestration Service (ROS) template. Then, you can create stacks from this template in the ROS console to deliver resources with a single click. Create a stack
  2. Configure the usage duration of the instance.
    • Pay-as-you-go instances: Set an automatic release time for the instance. You can also manually release the instance or set an automatic release time for the instance after it is created. For more information, see Release an instance.
    • Subscription instance: Set Duration and optionally select Auto-renewal. You can also manually renew the instance or enable auto-renewal for the instance after it is created. For more information, see Renewal overview.
  3. Read ECS Terms of Service and Product Terms of Service. If you agree to them, select ECS Terms of Service and Product Terms of Service.
  4. View the total fees of the instance in the lower part of the page. Confirm the configurations of the instance and complete the payment.

Result

After the instance is created, go to the Instances page to check the status of the instance. When the instance state changes to Running, it can be accessed.

What to do next