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Can AS Add Yearly/Monthly ECS Instances When It Scales Out an AS Group? Only pay-per-use or spot ECS instances can be added during scale-out events. Parent topic: General
How Do I Change the Login Mode of a Linux ECS from Key Pair to Password? Scenarios This section describes how to change the login mode of a Linux ECS from key pair to password. Procedure Use the key to log in to the Linux ECS and set the password of user root. sudo passwd root If
How Do I Troubleshoot Blue Screen or Black Screen Errors After an ECS Is Started? Symptom When you are remotely logging in to an ECS, a screen that's black or blue is displayed. Root Cause The blue screen or black screen errors are caused by explorer.exe errors in Windows. explorer.exe
Why Does BSOD Occur When I Log In to an ECS Using Remote Desktop Connection? Symptom When you attempt to use a remote desktop connection to log in to an ECS running Windows Server 2012 R2 from a local computer with redirected drive enabled, blue screen of death (BSOD) occurs. Root
What Can I Do If My Windows ECS Can Ping a Website but Cannot Access it? Symptom Your Windows ECS cannot access websites or applications after running for a long time. You can remotely log in to the ECS and ping websites using the ECS, but it failed to access websites or applications
Do I Need to Bind an EIP to Each ECS in the VPCs Connected over a Cloud Connection? If the ECSs are used only within the VPCs, no EIPs are required. If you want to access the ECSs from the Internet or use the ECSs to provide services accessible from the Internet, you need to purchase
Migrating Data from a Self-Managed SQL Server Database on an ECS to an RDS for SQL Server DB Instance Scenarios You have created a Microsoft SQL Server database on an ECS. The self-managed SQL Server database version on the ECS cannot be later than the version of the RDS for SQL Server
Can I Specify the System Disk Capacity When I Create an ECS Using an Image? When you use a system disk image to create an ECS, you can set the ECS specifications and system disk type without considering those in the image, but the system disk capacity can only be larger than that
What Do I Do If the Disks of a CentOS ECS Created from an Image Cannot Be Found? Symptom When you started a CentOS ECS, the system cannot find disks. Generally, this is because the xen-blkfront.ko module was not loaded during the startup. You need to modify OS kernel startup parameters
How Can I Back Up the Current Status of an ECS for Restoration in the Case of a System Fault? You can back up the ECS in any of the following ways: (Recommended) Use CBR to create a scheduled backup for the ECS. If the ECS fails, select a backup you want to use to restore the ECS,
What Should I Do If a Shell Script Debugged on an ECS Fails to Be Executed in DataArts Factory? Symptom A shell script that has been debugged on an ECS fails to be executed in DataArts Factory. The script is used to connect to GaussDB(DWS) through gsql to query the number of data
Can the SMS API Be Called by an Internal Network (For Example, an ECS Server)? No. The SMS API cannot be called by an internal network. If you are using a HUAWEI CLOUD ECS, apply for an EIP to access the SMS service through the public network. Parent topic: Secondary Development
[Notice] Huawei Cloud DDS 3.4 Will Reach EOS on July 30, 2025 Content Dear customer, On July 30, 2025, 00:00:00 GMT+08:00, Huawei Cloud will stop providing services for DDS 3.4. After the end of service (EOS), Huawei Cloud will no longer provide technical support for DDS 3.4. To ensure
GlobalSign Extended Validation (EV) SSL certificate shows visitors that your site is legitimate and secured with the strongest SSL. The EV SSL certificate is the highest class of SSL available today and lends the most credibility to your website by prominently displaying your verified
sslTrus Extended Validation (EV) SSL certificate provides the highest level of encryption and is the first choice for large business websites. In addition to domain ownership and business identity, it also validates who’s currently running the business, address where the business
Extended Validation Certificates are the highest class of SSL available today and lend the most credibility to your website by prominently displaying your verified organization name directly in the browser interface. This increases user trust in your websites, increases its credibility
Sectigo Extended Validation (EV) SSL certificates provide the highest trust level of any digital certificate and are the industry standard for business websites. An EV SSL is recommended for all business and enterprise websites but is especially crucial for any site that requests
Entrust Multi-Domain EV TLS/SSL certificates lend the most credibility to your website, making them a great choice for website owners who need to secure two domains. It provides a simple, cost-effective way to protect private information with the highest level of trusted identity,
What Should I Do If an ECS Cannot Connect to an RDS DB Instance Through a Private Network? Perform the following steps to identify the problem: Check whether the ECS and RDS DB instances are located in the same VPC. If they are in the same VPC, go to 2. If they are in different VPCs
Why Does an ECS Fail to Be Remotely Connected Using RDP and Internal Error Code 4 Is Displayed? Symptom An internal error is displayed when you log in to a Windows ECS and you fail to connect to the ECS remotely. Generally, this problem occurs because the Remote Desktop Services is
