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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
How Do I Access an ECS with an EIP Bound from the Internet? Each ECS is automatically added to a security group after being created to ensure its security. The security group denies access traffic from the Internet by default (except TCP traffic from port 22 through SSH to a Linux
Why Is the ECS IP Address Lost After the System Time Changes? Symptom After the system time changes, an exclamation mark (!) is displayed for the NIC, and the ECS cannot connect to the Internet. Scenarios The operations described in this section apply to ECSs running CentOS 7 or EulerOS
What OSs Are Supported If I Want to Install Docker on a Linux ECS? If you want to install Docker on your Linux ECS, ensure that the OS of your ECS is supported by Docker. Table 1 lists the OSs supported by Docker. Table 1 OSs supported by Docker OS Version Location CentOS CentOS 7
Why Is the IP Address Lost After the System Time of an ECS Is Modified? Symptom After the system time of an ECS is modified, its IP address is lost. Possible Cause The time range you modified exceeds the DHCP lease time. The default DHCP lease time set when you create a subnet is
How Do I Troubleshoot an Unresponsive Website Hosted on My ECS? Symptom Websites running on an ECS might become unreachable for multiple reasons. Check whether the configurations of network, port, firewall, or security group of the ECS are correct. Fault Locating If an error is displayed
How Do I Disable Login to an ECS Using SSH Password? Scenarios To ensure ECS security, you need to change the access key of an ECS regularly, or disable the SSH password login. This section describes how to disable the SSH password authentication. After disabling SSH password login
How Do I Delete an ECS Instance Created in a Scaling Action? Handling Methods Method 1 Log in to the management console. Under Compute, click Auto Scaling. In the navigation pane on the left, choose Instance Scaling. Click the AS group name on the AS Groups page. On the AS group details
How Do I Find Out Who Created a Specific ECS? Background To identify the user who created a specific ECS, you can view traces recorded by CTS. Prerequisites You have enabled CTS. You have obtained the resource ID of the ECS. Procedure Log in to the CTS console. Choose Trace List in
What Should I Do If I Fail to Create an ECS on a DeH? The following may cause the failure in creating an ECS on a DeH: The ECS flavor you selected is not supported by your DeH. To avoid this, select an ECS flavor that is supported by your DeH. For the ECS flavors supported by each
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
How Do I Delete an ECS Instance Created in a Scaling Action? Handling Methods Method 1 Log in to the management console. Under Compute, click Auto Scaling. In the navigation pane on the left, choose Instance Scaling. Click the AS group name on the AS Groups page. On the AS group details
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 Do I Reduce the Size of an Image Created Locally or on ECS? Choose a smaller image that fits your needs. For instance, if you are creating a PyTorch 2.1 + CUDA 12.2 image and cannot find an exact match from Huawei Cloud, avoid selecting an image with unrelated components (like
How Do I Mount a File System to a Linux ECS as a Non-root User Scenarios By default, a Linux ECS allows only the root user to use the mount command to mount file systems, but you can grant the permissions of user root to other users. Such users can then use the mount command to mount
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
What Should I Do If an ECS Can't Connect to a TaurusDB Instance? Perform the following steps to identify the problem: Check whether the ECS and TaurusDB instance are in the same VPC. If they are in the same VPC, go to 2. If they are in different VPCs, create an ECS in the VPC where
Can I Select Another OS During ECS OS Reinstallation? No. You can only use the original image of the ECS to reinstall the OS. If you want to use a new OS image, change the OS. For details, see Changing the OS. Parent topic: OS Change
Should I Choose Windows OS or Linux OS for My ECS? Difference Between Windows OS and Linux OS The following table shows the difference between Windows OS and Linux OS. Select an OS based on your service requirements. Table 1 Differences OS Developer Language Database Windows ASP.NET
