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What Do I Do If an Exception Occurs When I Start an ECS Created from an Image Using UEFI Boot? Symptom An ECS created from a private image booting to UEFI cannot start. Possible Causes The image is configured for UEFI boot, but the uefi attribute was not added to the image. Solution
Will My Access Be Restricted by Bandwidth When I Connect to My RDS for PostgreSQL Instance from an ECS over a Private Network? No. Parent Topic: Database Connection
Will My Access Be Restricted by Bandwidth When I Connect to My RDS for MariaDB Instance from an ECS over a Private Network? No. Parent topic: Database Connection
Why Are Memory Usage, Disk Usage, Inband Incoming Rate, and Inband Outgoing Rate Not Displayed for an ECS? Linux ECSs do not support the four metrics, but Windows ECSscan. To learn more about basic monitoring metrics supported by different OSs, see Basic ECS Metrics. To monitor the
Why Does CBH Login Fail Through an ECS in a New VPC Connected with the VPC Where CBH Is via VPN or a VPC Peering Connection Symptom A VPC with a 10.xx.xx.xx CIDR block was selected for a CBH instance. This VPC was connected to another VPC with a 192. xx.xx.xx CIDR block via a VPN
What Should I Do If Error Message "Permission denied" Is Displayed When I Remotely Log In to a Linux ECS? Symptom When I attempted to remotely log in to a Linux ECS, the system displayed error Message "Permission denied". Figure 1 Permission denied To resolve this issue, you are required
Why Am I Seeing an Error Message That Says Identity of Remote Computer Cannot be Verified When I Log In to a Windows ECS? Symptom An error message is displayed indicating that the identity of the remote computer cannot be verified. You are required to enter the password and log in
Why Am I Seeing an Error Message That Says User Account is not Authorized for Remote Login When I Log In to a Windows ECS? Symptom An error message is displayed indicating that the connection is denied because the user account is not authorized for remote login. Figure 1 Error message
What Should I Do If I Cannot Log In to My ECS Using the Initial Password After I Use It for a Period of Time? Solution Check whether the remote login page can be displayed. If the login page cannot be displayed, an error may have occurred in the GuestOS process on the ECS. In such
Why Did I See "Invalid argument" or "neighbour table overflow" During an Access to a Linux ECS? Symptom When a Linux ECS sends a request to a server in the same subnet, the server has received the request but does not return a response. When the server pings the client, the message
If the OS of an ECS Instance in an AS Group Is Upgraded, Can AS Automatically Add Instances with the Newest OS During the Next Scale-out Action? No. You need to compile a monitoring plug-in and install it on the target instance. Whenever the OS of this instance is updated, the plug-in
What Do I Do If I Can Log In to an Ubuntu 16.04 ECS Using SSH But the VNC Login Page Cannot Be Displayed? Symptom You have successfully connected to the Ubuntu 16.04 ECS using SSH, but the VNC login page cannot be displayed. Solution Run the following command to modify the GRUB configuration
What Should I Do If the Cursor Is Unavailable After a GNOME GUI Is Installed on a Kunpeng ECS Running CentOS 7 or NeoKylin NKASV 7? Symptom After a GNOME GUI is installed on a Kunpeng ECS running CentOS 7 or NeoKylin NKASV 7, the cursor is unavailable in remote logins. Possible Causes
How Do I Fix the "Authentication token manipulation error" When I Reset the Password Using passwd on a Linux ECS? Symptom When user root tries to change the password of an administrator or a common user, the system displays "passwd:Authentication token manipulation error." Possible
Why Am I Seeing An Error Message That Says The Two Computers Couldn't Be Connected in the Amount of Time Allotted When I Log In to a Windows ECS? Symptom An error message is displayed indicating that the computer cannot connect to the remote computer in the amount of time allotted
What Should I Do If the "Read-only file system" Error Message Is Displayed When I Attempt to Delete a File on a Linux ECS? Symptom When you attempt to delete or modify a file on a Linux ECS, the message Read-only file system is displayed. Possible Cause The possible causes are as
Why Do I Get the Error "Name or service not known" When I Ping a Public Domain Name Configured for a Linux ECS? Symptom A public domain name configured for an ECS fails to be pinged, and the error message "Name or service not known" is displayed. However, the EIP of the ECS can be
What Do I Do If I Enabled Automatic Configuration During Image Registration for an ECS Created from a Windows Image and Now It Won't Start? Cause This may be caused by an issue with offline VirtIO driver injection. Solution When you inject VirtIO drivers into the image for a Windows
What Do I Do If I Cannot Create an Image from a CSBS Backup or BMS Using a Sub-account with the Allow_all Permission After EPS Is Enabled? When an enterprise project subaccount is used to create an image, the system displays a message indicating that CSBS or BMS is not supported by
What Should I Do If the Page Does not Respond After I Log In to an ECS Using VNC and Do Not Perform Any Operation for a Long Period of Time? If you log in to an ECS running Windows 7 through VNC using Internet Explorer 10 or 11 and do not perform any operation for a long time, the
