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Why Is My ECS Unable to Communicate at a Layer 2 or Layer 3 Network? Symptom An ECS cannot ping the gateway of the subnet where the ECS resides. Troubleshooting Locate the fault based on the following procedure. Figure 1 Troubleshooting procedure Checking Whether the ECS Has Obtained
Why Can't HCE Obtain an IPv6 Address After IPv6 Is Enabled for an ECS? Background After IPv6 is enabled for ECS NICs on the ECS console, HCE cannot obtain an IPv6 address because DHCP is not correctly configured for the OS. Symptoms IPv6 has been enabled on the ECS console, and an
(Advanced) Using ECS as an NFS Server to Isolate Resources of Multiple Users Application Scenario FunctionGraph functions can be mounted to SFS file systems or NFS shared paths shared by ECSs. In multi-user scenarios, ECSs can be used to effectively manage resources of multiple users
How Can I Map the Private IP Address of an ECS to a Domain Name? You can configure PTR records to allow end users to query domain names based on IP addresses. To map the private IP address of an ECS to a domain name, you must create a private zone and add a PTR record to the zone.
Manually Configuring IPv4 and IPv6 Policy-based Routes for a Windows ECS with Multiple Network Interfaces Scenarios This section describes how to configure policy-based routes for a Windows Server 2012 64-bit ECS with two network interfaces. IPv4: If IPv4 communication between cloud
Can I Use an ECS Instance ID to Learn What AS Group the Instance Is In? No. To obtain details about an AS group and the instances in the group, perform the following operations: Log in to the management console. Choose Compute > Auto Scaling > Instance Scaling. On the AS Groups tab
How Do I Enable or Disable an ECS Firewall and Add a Port Exception to the Firewall? You can enable or disable an ECS firewall and add port exceptions to the firewall. For the operation procedure on a Windows ECS, see How Do I Disable a Windows ECS Firewall and Add a Port Exception
Why Is an Error Reported When Data Is Pushed to CSS After Logstash Is Deployed on an ECS? Symptom After Logstash is deployed on an ECS, an error is reported when data is pushed to CSS. The error message is as follows: LogStash::Outputs::ElasticSearch::HttpClient::Pool::BadResponseCodeError
Can I Use an ECS Instance ID to Learn What AS Group the Instance Is In? No. To obtain details about an AS group and the instances in the group, perform the following operations: Log in to the management console. Choose Compute > Auto Scaling > Instance Scaling. On the AS Groups tab
Why Is an Instance that Was Removed from an AS Group and Deleted Still Displayed in the ECS List? If an automatically added instance is protected, it is removed out of the AS group but not deleted, so that it can still be used by other services. An instance that is being used by other
How Do I Make a System Disk Image Support Fast ECS Creation? Scenarios Fast Create greatly reduces the time required to create ECSs from a system disk image. Currently, this feature is supported by all newly created system disk images by default, but some existing system disk images
How Do I Create a Full-ECS Image Using an ECS That Has a Spanned Volume? You are not advised to use a Windows ECS that has a spanned volume to create a full-ECS image. If you create such an image and then use it to create new ECSs, data may be lost. If an ECS has a spanned volume,
How Do I Handle the Failure in Logging In to ECS After Unbinding the Key Pair? Symptom If the login mode is set to Key Pair when purchasing an ECS, after I unbind the initial password, I do not have the password or key pair to log in to the ECS. How can I solve this problem? When
How Can I Fix Grayed Out Copy and Paste Options for a Windows ECS? Symptom After remotely logging in to a Windows ECS, I cannot copy or paste content and find that the Paste option grayed out. Possible Causes Local drive is not mapped. An error has occurred in the rdpclip.exe process
How Do I Configure File Sharing and Network Disk Mapping for a Windows ECS? Scenarios This section describes how to share a folder between Windows ECSs over an intranet. Constraints Some carriers may block ports 139 and 445. As a result, you cannot access the shared folders over the
How Do I Configure Multiple IP Addresses for an ECS with Multiple NICs Attached? Symptom If an ECS has multiple NICs, perform the following operations to configure policy-based routing for the ECS to enable the network communication of secondary NICs. Possible Causes No routing rules
How Do I Reset the Password for User root in Single-User Mode on a Linux ECS? Scenarios This section describes how to reset the password of user root in single-user mode on a Linux ECS. Back up data before resetting the password of user root in single-user mode. Select a method based
How Do I Configure Multi-User Logins for an ECS Running Windows Server 2012? Scenarios This section uses an ECS running Windows Server 2012 as an example to describe how to enable concurrent logins by multiple users. An ECS running Windows Server 2012, by default, allows concurrent
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 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
