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Can an ECS Without an EIP Bound Access the Internet? Yes. You can use the NAT Gateway service to allow ECSs in a VPC to access the Internet using an EIP. The SNAT function provided by the NAT Gateway service allows the ECSs in a VPC to access the Internet without requiring an EIP.
Why Does a Forcibly-Stopped Linux ECS Fail to Be Restarted? Symptom When you try to restart a forcibly-stopped Linux ECS, the ECS failed to be restarted, as shown in Figure 1. Figure 1 Restart failure Possible Causes As shown in Figure 1, the ECS cannot be restarted because the file
Why Can't I Log In to My Linux ECS? Symptom A Linux ECS cannot be logged in to due to some reasons. For example, the network is abnormal, the firewall does not allow access to the local port for accessing the remote desktop, or the ECS vCPUs are overloaded. This section describes
How Do I Fix a BSOD on a Windows ECS? Symptom A blue screen of death (BSOD) occurs on a Windows ECS, as shown in Figure 1. Figure 1 Bugcheck code and module that may cause the BSOD Possible Causes Third-party software from unknown sources is used. The CPU usage is too high. System
How Can I Handle Slow ECS Startup? If an ECS requires a long period of time to start, you can change the default timeout to speed up the startup. Log in to the ECS. Run the following command to switch to user root: sudo su Run the following command to obtain the grub version: rpm
How Do I Install IIS on a Windows ECS? Scenarios This section describes how to install IIS on an ECS running Windows Server 2012 R2 Standard. Only the procedure for installing IIS will be described. The procedure for installing applications is subject to actual requirements. Procedure
Why Does sshd Fail to Be Started on a Linux ECS? Symptom The sshd service fails to be started on a Linux ECS, and /var/empty/sshd cannot be accessed. Scenarios The operations described in this section apply to ECSs running CentOS 7 or EulerOS. For other Linux OSs, the operations may
Why Does My Linux ECS Restart Unexpectedly? Symptom A Linux ECS restarts unexpectedly and the following error is displayed: Kernel panic - not syncing: NMI: Not continuing The following information is printed in the kernel log: [645683.754132] Uhhuh. NMI received for unknown reason
How Can I Retain a Session on a Windows ECS? Scenarios This section describes how to configure a Windows ECS so that its remote desktop connection will not be automatically disconnected. Procedure The following uses an ECS running Windows Server 2008 as an example. Choose Start >
Why Am I Unable to Connect to a Port on an ECS? Scenarios A connection to an ECS on a specific port may be prevented for multiple reasons, for example, a security group is blocking traffic to the port. This section uses port 80 as an example to describe how to troubleshoot an unreachable
How Do I Troubleshoot a Faulty GPU-accelerated ECS? Figure 1 shows the troubleshooting process for faulty GPU-accelerated ECSs. The operations are as follows: Setting Alarm Rules: Configure alarm rules on the Cloud Eye console for GPU-accelerated ECSs, so that notifications will be
FAQs About ECS Frozen, Deletion, and Unsubscription Why Are My ECSs Released? After you purchase ECSs but you do not complete the payment or renewal, the purchased ECSs will enter a grace period. If you still do not complete the payment or renewal after the grace period is ended,
Rolling Back ECS Specifications Modification (Discarded) Function This API is used to roll back ECS specifications modification. This API has been discarded. Use the API described in Modifying the Specifications of an ECS (Pay-per-Use). Constraints After the rollback, the data modified
Listing Security Groups of a Specified ECS (Discarded) Function This API is used to list security groups of a specified ECS. URI GET /v2.1/{project_id}/servers/{server_id}/os-security-groups Table 1 describes the parameters in the URI. Table 1 Parameter description Parameter Mandatory
Listing Flavor Details About an ECS (Discarded) Function This API is used to list flavor details about an ECS. This API has been discarded. Use the API described in Listing Flavor Details and Extended Information. URI GET /v2.1/{project_id}/flavors/detail Table 1 describes the parameters
Querying Details About an ECS Flavor (Discarded) Function This API is used to query the details about an ECS flavor based on the flavor ID. This API has been discarded. Use the API described in Listing Flavor Details and Extended Information. URI GET /v2.1/{project_id}/flavors/{flavor_id
Querying the extra_specs Value for an ECS Flavor (Discarded) Function This API is used to query the extra_specs value for a specified ECS flavor. This API has been discarded. Use the API described in Listing Flavor Details and Extended Information. URI GET /v2.1/{project_id}/flavors
Obtaining ECS Metadata with a Specified Key (Discarded) Function This API is used to obtain ECS metadata with a specified key. This API has been discarded. Use the API described in Querying Details About an ECS. URI GET /v2.1/{project_id}/servers/{server_id}/metadata/{key} Table 1
Modifying ECS Metadata with a Specified Key (Discarded) Function This API is used to modify the ECS metadata with a specified key. If the metadata does not contain the target field, the field is automatically added. If the metadata contains the target field, the field value is automatically
ECS Group Management (OpenStack Nova API) Creating an ECS Group (Discarded) Listing ECS Groups (Discarded) Querying Details About an ECS Group (Discarded) Deleting an ECS Group (Discarded) Parent topic: Out-of-Date APIs
