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How Do I Change an ECS SID? Microsoft identifies computers and users by security identifier (SID). The ECSs created using an image have the same SID. If such ECSs are required to join in a Windows domain, they must use different SIDs. This section describes how to use SIDCHG to change
Why Does a Pay-per-Use ECS Fail to Be Started? After a pay-per-use ECS is stopped, its resources such as vCPUs and memory are released. When it is being started the next time, the startup may fail due to insufficient resources. If the ECS startup failed, try again later or modify
How Do I Log In to My ECS? Logging In to a Windows ECS Figure 1 shows the modes in which a Windows ECS can be logged in to. Figure 1 Windows ECS login modes (Optional) Retrieve your password from the key file. To log in to a key-pair-authenticated ECS, use the password obtaining function
Can I Attach Multiple Disks to an ECS? Yes. The ECSs created after the disk function upgrade can have up to 60 attached disks. When you create an ECS, you can attach 24 disks to it. After you create an ECS, you can attach up to 60 disks to it. Table 1 Numbers of disks that can be
What Is the Default Password for Logging In to a Linux ECS? The default username for logging in to an ECS running Linux (such as CentOS or Ubuntu) is root, and the password is the one you set during the ECS creation. If you forgot the login password or did not set a password when
How Do I Configure DNS for an ECS? Scenarios Configure a DNS server for resolving the domain name of an ECS. By default, the IP address of the DNS server is automatically configured when an ECS is created. No manual configuration is needed except when the resolution fails due to a
Why Cannot I Use the Username and Password Configured During the Creation of a GPU-accelerated ECS to Log In to the ECS Through SSH? Solution Log in to the ECS using VNC, modify the configuration file, and log in to the ECS through SSH. On the ECS console, locate the ECS and click
Will I Lose My Disk Data If I Reinstall ECS OS, Change the OS, or Change the ECS Specifications? Table 1 Impact Item OS Reinstallation OS Change Specifications Modification Application scenario Initialize an ECS. The ECS OS remains unchanged after OS change. Change the OS of an ECS
Will I Lose My Disk Data If I Reinstall ECS OS, Change the OS, or Change the ECS Specifications? Table 1 Impact Item OS Reinstallation OS Change Specifications Modification Application scenario Initialize an ECS. The ECS OS remains unchanged after OS change. Change the OS of an ECS
Purchasing and Using a Linux ECS (New Edition) Scenarios Elastic Cloud Server (ECS) is a cloud server that provides scalable, on-demand compute resources, including vCPUs, memory, OS, and Elastic Volume Service (EVS) disks. After purchasing an ECS, you can use it like using your local
Accessing OBS over Intranet by Using obsutil on a Linux ECS obsutil is a command line tool that can run Windows, macOS, and Linux operating systems. This section describes how to configure an intranet DNS server for a Huawei Cloud Linux ECS to access OBS over the intranet. You need
How Long Does It Take to Change an ECS OS? To change an ECS OS, do as follows: Stop the ECS. Choose More > Manage Image/Disk/Backup > Change OS. This operation takes about 1 to 4 minutes. During this process, the ECS is in Changing OS state. Parent topic: OS Change
Why Can't My Linux ECS Obtain Metadata? Symptom The security group of the Linux ECS has been configured based on the prerequisites in Obtaining Metadata in the outbound direction, but the ECS still cannot obtain the metadata through the route with the destination of 169.254.169.254
How Can I Change the Resolution of a Windows ECS? Scenarios You can change the resolution of Windows ECSs. Solution 1: Using VNC The operations of changing an ECS resolution vary according to the Windows OS. This section uses the Windows Server 2016 Standard 64-bit edition as an example
Why Cannot My Windows ECS Access the Internet? Symptom Your attempt to access the Internet from your Windows ECS failed. Fault Locating The following fault causes are sequenced based on their occurrence probability. If the fault persists after you have ruled out a cause, check other
What Browser Version Is Required to Remotely Log In to an ECS? When you use a browser to remotely log in to an ECS, ensure that the browser version meets the requirements listed in Table 1. Table 1 Browser version requirements Browser Version Google Chrome 31.0 or later Mozilla Firefox
How Can I Upgrade the Kernel of a Linux ECS? Scenarios If the kernel of a Linux ECS has stability or performance issues such as system breakdown, freezing, and memory leakage, or new kernel functions are required, you can upgrade the OS kernel. Constraints Upgrading the OS kernel
How Long Does It Take to Reinstall an ECS OS? Generally, the process of reinstalling the OS of an ECS takes about 1 to 2 minutes to complete. On the ECS console, stop the ECS and choose More > Manage Image/Disk/Backup > Reinstall OS in the Operation column. During this process, the
Why Cannot My ECS OS Start Properly? Check the image based on which the ECS was created. If the image is a public one, this issue is not caused by private image sources. Figure 1 Image type Click Apply for Server and check whether the same ECS can be created. If not, this image may
Why Can't I Log In to My Windows ECS? Symptom A Windows ECS fails to be logged in to due to some reasons. For example, the network is abnormal, the firewall blocks the local port required for remote desktop, or the ECS vCPUs are overloaded. This section describes how to troubleshoot
