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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 31.0-75.0 Mozilla Firefox
How Does an ECS Defend Against DDoS Attacks? What Is a DDoS Attack? Denial of Service (DoS) attacks, also known as flood attacks, intend to exhaust the network or system resources on the target computer, causing service interruption or suspension. Consequently, legitimate users fail
How Do I Upload Files to My ECS? Windows File transfer tool Install a file transfer tool, such as FileZilla on both the local computer and the Windows ECS and use it to transfer files. For details, see How Can I Use FTP to Transfer Files from a Local Windows Computer to a Windows
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 > Reinstall OS in the Operation column. During this process, the ECS is in
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 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
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 > Change OS. This operation takes about 1 to 4 minutes. During this process, the ECS is in Changing OS state. Figure 1 Changing an OS 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
Why Does the NVIDIA Kernel Crashes on a GPU-accelerated ECS? Symptom A GPU-accelerated ECS crashed during running. After the ECS was restarted, no NVIDIA driver stack logs were recorded. Figure 1 Stack log information Possible Causes The ECS kernel crashed due to an official NVIDIA
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.
How Do I Change the Key Pair for a Linux ECS? Symptom You changed the key pair for logging in to a Linux ECS, but you could not use the new key pair to log in to the ECS. Solution Use the password or old key to log in to the ECS and run the following commands to create a key pair:
How Do I Reset the Password for Logging In to a Linux ECS? Scenarios This section describes how to reset the password of a Linux ECS by reattaching the system disk. The method in this section only applies to x86 ECSs running CentOS 7, Ubuntu, or EulerOS. Detaching the system disk
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
How Do I View Login Logs of a Windows ECS? Scenarios This section describes how to view the login logs of a Windows ECS. Procedure The following operations are performed on an ECS running Windows Server 2012. Log in to the Elastic Cloud ServiceECS. Choose Start > Administrative Tools
How Can I Set the Input Method for a Windows ECS? Symptom The Windows ECS cannot switch the input method. Possible Cause The ctfmon.exe process is not started. The input indication icon is turned off. Solutions to a Missing Language Bar Solution 1: Check whether ctfmon.exe is started
Why Is My Linux ECS Not Booting and Going Into Emergency Mode? Symptom Your Linux ECS enters the emergency mode during startup, and displays the message "Welcome to emergency mode", asking you to enter the password of user root for maintenance. Figure 1 Emergency mode Possible Cause
Deploying an ECS for Handling Text Messages from an Official WeChat Account Overview The best practices for Huawei Cloud ECS guide you through the deployment of an ECS as an official WeChat account server so that the ECS receives text messages from the WeChat server and sends processing
Accessing OBS over Intranet by Using OBS Browser+ on a Windows ECS OBS Browser+ is a graphical interface tool applicable to object-based storage services. You can configure the intranet DNS server address to access OBS over intranet on a Huawei Cloud Windows ECS. The process and procedure
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
