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Why Does My ECS Fail to Obtain an IP Address? Symptom The private IP address of the ECS fails to be obtained. Troubleshooting Locate the fault based on the following procedure. Figure 1 Troubleshooting process Checking Whether DHCP Is Enabled Checking Whether the dhclient Process
How Do I Change the DNS Server Address of an ECS? Scenarios This section describes how to change the DNS server address of an ECS and make the new DNS server address take effect immediately on the ECS. The required operations are as follows: Viewing the DNS Server Addresses for an
How Can I Apply a Private Image to an Existing ECS? You can use the image to change the ECS OS if the image is in the same region as the ECS. When you change the OS, select that image. For details about how to change the OS, see Changing the OS. Figure 1 Changing the OS If the image
How Can I Back Up an RDS Database to an ECS? You can back up data to an ECS the same way you export SQL statements. The ECS service does not have restrictions on the types of data to be backed up as long as the data complies with local laws and regulations. You can store RDS backup
Reinstalling an ECS OS (Using an Image with Cloud-Init Installed) Function This API is used to reinstall an ECS OS. During the system disk reinstallation using the original image, the data disks of the ECS remain unchanged. This API is an asynchronous API. After the OS reinstallation
Querying Details About a Specified NIC of an ECS (Discarded) Function This API is used to query details about a NIC based on the NIC ID. This API has been discarded. Use the API described in Querying NICs of an ECS. URI GET /v2.1/{project_id}/servers/{server_id}/os-interface/{port_id
Changing an ECS OS (Using an Image with Cloud-Init Installed) Function This API is used to change an ECS OS. During the system disk reinstallation using a new image, the data disks of the ECS remain unchanged. This API is an asynchronous API. After the OS change request is successfully
Resetting the Password for Logging In to an ECS with a Few Clicks (Discarded) Function This API is used to reset the password of the ECS management account, root or Administrator. This API has been discarded. Use the API described in Resetting the Password for Logging In to an ECS
ECS Management Through Console (OpenStack Nova API) Obtaining ECS Management Console Logs (Discarded) Obtaining a VNC-based Remote Login Address (Microversion 2.6 or Later) (Discarded) Parent topic: Out-of-Date APIs
Binding a Virtual IP Address to an ECS NIC (Discarded) Function A virtual IP address provides another IP address for one or multiple ECS NICs, improving high availability between the ECSs. This API is used to bind a virtual IP address to an ECS NIC. If the specified IP address is
Connecting to a DB Instance from a Linux ECS over a Public Network You can connect to your DB instance using a Linux ECS installed with a PostgreSQL client over a public network. You can use the PostgreSQL client psql to connect to your DB instance over a Secure Sockets Layer (SSL
Connecting to a DB Instance from a Linux ECS over a Private Network You can connect to your DB instance using a Linux ECS installed with a PostgreSQL client over a private network. You can use the PostgreSQL client psql to connect to your DB instance over a Secure Sockets Layer (SSL
How Can I Back Up a GaussDB Database to an ECS? You can back up data to an ECS in the same way you export SQL statements. The ECS service does not have restrictions on the types of data to be backed up as long as the data complies with local laws and regulations. You can store database
How Do I Enable the Password Login Mode for an ECS? If you disable the password login mode when binding a key pair to an ECS, you can enable the password login mode again later when you need to. Procedure The following example describes how to log in to the ECS using PuTTY and enable
Why Is a Deleted ECS Still Displayed in the HSS Server List? After an ECS is deleted, HSS does not synchronize its information immediately. Therefore, you may still see the deleted ECS in the HSS server list. The server list update mechanism is as follows: A synchronization task is
Migrating an ECS from a Shared Security Group to a Dedicated Security Group Scenarios If instances for different purposes are associated with the same security group, their specific network isolation and security control requirements cannot be met. In addition, the security group
Binding an EIP to the Extended Network Interface of an ECS to Enable Internet Access Scenarios As shown in Figure 1, the ECS has two network interfaces, one primary network interface and one extended network interface. You can bind an EIP to the extended network interface of the ECS
Scenario 1: Creating a System Disk Image from a Windows ECS If you have created and configured an ECS based on your service requirements (such as installing software and deploying an application environment), you can create a system disk image from the configured ECS. Then, any new
What Should I Do If a SAP Application on an ECS Cannot Be Started? Symptom The /etc/hosts file contains "127.0.0.1 host name host name". As a result, the SAP application installed on the ECS cannot be started. You need to log in to the ECS where the SAP application is deployed to
How Long Does CSBS Take to Back Up and Restore an ECS? The initial backup for an ECS is a full backup and subsequent backup operations are all incremental backups. Therefore, the initial backup takes a long time and subsequent incremental operations take shorter times. For example
