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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Logs (Discarded) Obtaining a VNC-based Remote Login Address (Microversion 2.6 or Later) (Discarded) Parent topic: Out-of-Date APIs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
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 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
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
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
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
How Can I Enable Virtual Memory on a Windows ECS? Enabling ECS virtual memory will deteriorate I/O performance. If the ECS memory is insufficient, increase the memory by performing the operations in Modifying Individual ECS Specifications. If you really need to enable virtual memory
Can I Change the Region or AZ After an ECS Is Purchased? Sorry, you cannot change the region after the ECS is purchased. During the ECS purchase, you are advised to select the region nearest to your services for lower network latency and quick resource access. If you need to change
How Can I Install a GUI on an ECS Running Ubuntu? Scenarios To provide a pure system, the ECSs running Ubuntu do not have a GUI installed by default. You can install a GUI on such ECSs as needed. For GPU-accelerated ECSs, after installing a GUI, you need to configure X Server, x11vnc
Why Can I Remotely Access an ECS But Cannot Ping It? Symptom You can remotely access an ECS, but when you ping the EIP bound to the ECS, the ping operation fails. Possible Causes A desired inbound rule is not added for the security group, and ICMP is not enabled. Solution Log in to
Why Does a Disk Attached to a Windows ECS Go Offline? Symptom A disk attached to a Windows ECS goes offline, and the system displays the message "The disk is offline because of policy set by an administrator.", as shown in Figure 1. Figure 1 Offline disk Possible Causes Windows has
Why Accessing a Website Outside the Chinese Mainland Is Slow on an ECS? Symptom Websites outside the Chinese mainland, including those in Hong Kong (China), Macao (China), Taiwan (China), and other countries and regions, may be slow to access. Generally, an international line is used
Why Does Internet Access to an ECS Deployed with FTP Fail? Symptom You cannot access a Windows ECS with FTP deployed by using an EIP. The FTP client cannot access the FTP server, and the connection times out. It takes a lot of time to upload files. Possible Causes The security group
How Can I Configure the NTP and DNS Servers for an ECS? For Linux OSs Take the NTP and DNS servers running SUSE as an example. Configure the NTP server for the ECS. Log in to the Linux ECS. Run the following command to switch to user root: sudo su - Run the following command to edit
