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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
Querying the Target Flavors to Which an ECS Flavor Can Be Changed (Discarded) Function An ECS flavor cannot be changed to certain flavors. This API is used to query the target flavors to which a specified ECS flavor can be changed. This API has been discarded. Use the API described
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 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 Data Between a Local Computer and a Windows ECS? Method 1: Install a Data Transfer Tool Install a data transfer tool, such as FileZilla on both the local computer and the Windows ECS to transmit data. Method 2: Configure Local Disk Mapping Use MSTSC to transfer
What Do I Do If I Selected an Incorrect Image for My ECS? You can change the image for your ECS on the ECS console. Select the target ECS and click Stop in the upper left corner of the ECS list. Locate the row that contains the target ECS, choose More > Manage Image > Change OS in
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
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.
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 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
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 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 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
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
