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Why Does the OS Fail to Respond When kdump Occurs on a Linux ECS? Symptom When kdump occurs on a Xen Linux ECS, the OS fails to respond and cannot be automatically recovered. For example, if you run the echo c>/proc/sysrq-trigger command to trigger kdump, this fault occurs. Figure
How Can I Transfer Files from a Local Mac to a Windows ECS? Scenarios This section describes how to use Microsoft Remote Desktop for Mac to transfer files from a local Mac to a Windows ECS. Prerequisites The remote access tool supported by Mac has been installed on the local Mac.
Can I Migrate an ECS to Another Region, AZ, or Account? After an ECS is created, it cannot be directly migrated to another region, AZ, or account. To migrate an ECS across accounts or regions, create an image using the ECS and migrate the image to the target accounts or regions. For
Why Is the Memory of an ECS Obtained by Running the free Command Inconsistent with the Actual Memory? Symptom After you create an ECS, you run the free -m command to view the ECS memory. The ECS memory is less than the memory configured during ECS creation. For example: When you are
How Can I Add ECSs Using Local Disks to an ECS Group? An ECS group logically isolates ECSs. ECSs in the same ECS group support anti-affinity and they are allocated on different hosts. You can add an ECS to an ECS group in either of the following ways: During purchase: When purchasing
Why Does the Login to My Linux ECS Using a Key File Fail? Symptom When you use the key file created during your Linux ECS creation to log in to the ECS, the login fails. Possible Causes Possible causes vary depending on the image used to create the Linux ECS. Cause 1: The image that
How Do I Query the Egress Public IP Address of My ECS? Scenarios After servers are migrated to the cloud, they usually use EIPs to access the Internet. You can log in to the management console and view the EIP bound to the ECS in the ECS list. For details, see Viewing ECS Details
How Do I Restore Data in the Event of a Startup Failure on a Windows ECS? Symptom If logging in to a Windows ECS failed, the system automatically starts the recovery option. However, an error is reported after the recovery option is selected, and the system recovery cannot continue
How Do I Troubleshoot Slow Connections to a Website Hosted on My ECS? Symptom A complete HTTP request includes domain name resolution, TCP connection establishment, request initiation, processing of the request and returning a processing result by the server, parsing of the HTML code
What Should I Do If the IP Settings of My Linux ECS Are Lost? Symptom When an ECS has been running continuously for a long time without being restarted, the IP address settings may be lost, ECSs may be disconnected, or the network may break down. Figure 1 Symptom Possible Causes The
Why Can't I Open the Start Menu and Search Box on a Windows ECS? Symptom You can log in to the newly created Windows ECS, but the system does not respond when you click Start menu button and the search box. Possible Causes The AppX Deployment Service (AppXSVC) uses too many system
Why Does the NIC Names Change After I Start a Linux ECS? Scenarios After an ECS running CentOS 6 created using a private image starts, the first NIC is named as eth1, rather than eth0. This solution provided in this section involves restarting the ECS. Restarting the ECS will interrupt
How Do I Attach an Extension NIC to a Windows ECS for Accessing the Internet? Scenarios A Windows ECS has one primary NIC and one extension NIC attached. Both the NICs have an EIP bound to access the Internet. Constraints Do not modify the primary NIC settings. Procedure Log in to
Why Is the Space Not Released After I Delete a Large File on a Linux ECS? Symptom The space usage of the root directory on a Linux ECS is too high, for example, 96%, as shown in Figure 1. Figure 1 Too high space usage of the root directory You find that the access_log file generated
How Do I Apply for a License for Authenticating Multi-User Sessions and Activate an ECS? Scenarios This section describes how to configure remote desktop services and activate an ECS. The ECS running Windows Server 2012 is used as an example. Procedure Applying for a License for Authenticating
Why Can't I Use the Local Computer to Connect to My Windows ECS? Symptom An error message is displayed indicating that your local computer cannot connect to the remote computer. Figure 1 Cannot connect to the remote computer Possible Causes Port 3389 of the security group on the ECS
Why Cannot the EIP Bound to the Extension NIC of My ECS Access the Internet? Symptom Your ECS has one primary NIC and one extension NIC in the same subnet. Both the NICs have an EIP bound to access the Internet. The EIP bound to the primary NIC can access the Internet, but that bound
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
