检测到您已登录华为云国际站账号，为了您更好的体验，建议您访问国际站服务网站 https://www.huaweicloud.com/intl/zh-cn
不再显示此消息
检测到您已登录华为云国际站账号，为了您更好的体验，建议您访问国际站服务网站 https://www.huaweicloud.com/intl/zh-cn
不再显示此消息
Using a Private NAT Gateway to Enable an ECS in a VPC to Access a Load Balancer in Another VPC Scenarios There are two applications (A and B) deployed in different VPCs. VPCs are isolated from each other by default, so the two applications cannot communicate with each other. To enable
Why Cannot I Use a Non-Default SSH Port to Log In to My Linux ECS? Symptom After changing the default SSH port, you could not use the new port to log in to the ECS. Possible Causes The access to the new port is not allowed in the security group. The new port is not enabled on the
Why Are Garbled Characters Displayed When I Log In to My ECS Using VNC? Symptom After I attempt to log in to my Linux ECS using VNC, garbled characters are displayed, as shown in Figure 1. Figure 1 Garbled characters on the VNC-based login page Possible Causes The cat command was
Why Does the System Display a Message Indicating that the Password for Logging In to an ECS Cannot Be Obtained? Symptom Password authentication is required to log in to a Windows ECS. Therefore, you require a key file to obtain the initial password for logging in to the ECS. However
Why Does an Internal Error Occur When I Log In to My Windows ECS? Symptom When you attempt to log in to your Windows ECS using MSTSC, the system displays an error message indicating an internal error. Solution On the local server, run cmd as an administrator. Run the netsh winsock
How Can I Set Sequential ECS Names When Creating Multiple ECSs? Scenarios When creating multiple ECSs at the same time, you can use either of the following methods to sequentially name the ECSs: Automatic naming: The system automatically adds a hyphen followed by a four-digit incremental
How Can I Transfer Files from a Local Windows Computer to a Windows ECS? Scenarios You want to transfer files from a local Windows computer to a Windows ECS through an MSTSC-based remote desktop connection. Prerequisites The target ECS is running. You have bound an ECS to the EIP.
How Do I Migrate an ECS from One Region to Another Using SMS? The figure below illustrates how to migrate ECSs from one region to another. Figure 1 Migration process Table 1 Migration procedure Step Description Make preparations. Before using SMS to migrate servers, you need to prepare
How Do I Fix Error "SMS.0601 ECS creation failed?" Symptom During the migration, the error "SMS. 0601 ECS creation failed. Cause: xxx" was reported. Possible Causes There are many causes for target server creation failures. The account balance is insufficient. The quota is insufficient
What Are the Impacts of a VPN on an On-premises Network? What Are the Changes to the Route for Accessing an ECS? When you configure a VPN, perform the following operations on the on-premises gateway: Configure IKE and IPsec policies. Specify the to-be-protected traffic (ACL rules)
What Are the Impacts of a VPN on an On-premises Network? What Are the Changes to the Route for Accessing an ECS? When you configure a VPN, perform the following operations on the on-premises gateway: Configure IKE and IPsec policies. Specify interesting traffic (ACL rules). Check
Why Does an ECS Have EIP Access Information After I Enable a VPN? This occurs because the ECS has an EIP bound before the VPN is used. That is, you can access the ECS through the VPN or the EIP. After the VPN is established, traffic from servers meeting ACL rules can enter the tunnel
Do I Need to Add a Route for an ECS with Multiple NICs to Reach the On-premises Network? If a primary NIC is used to establish a VPN with the on-premises network, no route needs to be added. If a non-primary NIC is used to establish a VPN with the on-premises network, add a route
What Are the Impacts of a VPN on an On-premises Network? What Are the Changes to the Route for Accessing an ECS? When configuring a VPN, you need to perform the following operations on the gateway in your on-premises data center: Configure IKE and IPsec policies. Set the connection
What Are the Impacts of a VPN on an On-premises Network? What Are the Changes to the Route for Accessing an ECS? When configuring a VPN, you need to perform the following operations on the gateway in your on-premises data center: Configure IKE and IPsec policies. Configure a VPN connection
Why Does an ECS Have EIP Access Information After I Enable a VPN? A possible cause is that the ECS has an EIP bound before the VPN is used. In this scenario, you can access the ECS through both the VPN and the EIP. To allow only hosts on the VPN to access the ECS, unbind the EIP from
Do I Need to Add a Route for an ECS with Multiple NICs to Reach the On-premises Network? If the primary network interface card (NIC) is used to establish a VPN connection with the on-premises network, no route needs to be added. If a non-primary NIC is used to establish a VPN connection
When an ECS or CCE Cluster Node Is Deleted, Will They Be Unbound from Their Protection Quotas? Yes. The quotas in different billing modes are unbound in different ways. Yearly/Monthly quota: After an ECS or CCE cluster node is deleted, its yearly/monthly HSS quota is unbound from
How Do I Reduce the Size of the Target Image Created on the Local PC or 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 the official website, preferentially select an image that does
Why Does My ECS Fail to Communicate with Other After It Has Firewall Installed? Symptom An ECS has a single network interface and failed to communicate with others after the ECS has a firewall installed. An example scenario is as follows: In a VPC, there are three ECSs. Services are
