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Why Do I Fail to Connect to a Linux ECS Using WinSCP? Symptom Connecting to a Linux ECS using WinSCP fails, while using SSH tools like Xshell succeeds. Figure 1 Connection error using WinSCP Root Cause If you can connect to a Linux ECS using SSH tools, the SSH tools run properly.
Why Does a Linux ECS with a SCSI Disk Attached Fails to Be Restarted? Symptom For a Linux ECS with a SCSI disk attached, if you have enabled automatic SCSI disk attachment upon ECS startup in /etc/fstab and the disk drive letter (for example, /dev/sdb) is used, the ECS fails to restart
How Can I Obtain the Key Pair Used by My ECS? Symptom You have created multiple key pairs, and you are trying to find the key pair to log in to the target ECS. Procedure Log in to the management console. Click in the upper left corner and select your region and project. Under Compute
How Can I View and Modify Kernel Parameters of a Linux ECS? This document describes common Linux kernel parameters and how to view and modify them. Modify the kernel parameters only if the parameter settings affect your services. If the parameter settings must be modified, perform
What Should I Do If Emails Configured on an ECS Cannot Be Sent? Solution For the emails sent using the browser: When you use a browser to log in to your mailbox, HTTP is used, and the default port number is 80. However, SMTP is used between email servers. If you use a browser to send
Why Does Login to My ECS Using the Reset Password Fail? Scenarios You cannot use the new password that you set to log in to the ECS. Ensure that the one-click password reset plug-in is not blocked by security software. Otherwise, the one-click password reset function is unavailable
How Do I Troubleshoot an Unresponsive Website Hosted on My ECS? Symptom Websites running on an ECS might become unreachable for multiple reasons. Check whether the configurations of network, port, firewall, or security group of the ECS are correct. Fault Locating If an error is displayed
Resetting the Password for Logging In to a Windows ECS Without the Password Reset Plug-in Installed Scenarios If the password reset plug-in is not installed on a Windows ECS or a password reset does not take effect, you can reset the password following the instructions provided in
Resetting the Password for Logging In to a Linux ECS Without the Password Reset Plug-in Installed Scenarios If the password reset plug-in is not installed on a Linux ECS or a password reset does not take effect, you can reset the password following the instructions provided in this
How Do I Migrate an ECS from One Account to Another? To migrate an ECS from one account to another, perform the following operations: Install the Agent on the ECS under the original account, but when starting the Agent, enter the AK/SK pair of the destination account. To learn how
How Can I Access an ECS Using Its Host Name? The DNS service allows you to create private zones for any top-level domain names except .com. If you set the name of an ECS to ecs01, you can create a private zone for ecs01 and add an A record to map ecs01 to the private IP address of
How Do I Access an ECS with an EIP Bound from the Internet? Each ECS is automatically added to a security group after being created to ensure its security. The security group denies access traffic from the Internet by default (except TCP traffic from port 22 through SSH to a Linux
What Should I Do If a SAP Application on an ECS Cannot Be Started? Symptom The /etc/hosts file contains "127.0.0.1 host name host name". As a result, the SAP application installed on the ECS cannot be started. You need to log in to the ECS where the SAP application is deployed to
Why Is the ECS IP Address Released After the System Time Is Changed? Possible Causes If the new ECS system time is later than the DHCP lease expiration time, the system will attempt to renew the DHCP lease. If the renewal fails, the IP address will be released. Solution If you need
How Do I Access an ECS with an EIP Bound from the Internet? Each ECS is automatically added to a security group after being created to ensure its security. The security group denies access traffic from the Internet by default (except TCP traffic from port 22 through SSH to a Linux
What Should I Do If an SAP Application on an ECS Cannot Be Started? Symptom The /etc/hosts file contains "127.0.0.1 host name host name". As a result, the SAP application installed on the ECS cannot be started. You need to log in to the ECS where the SAP application is deployed to
Reinstalling an ECS OS (Using an Image Without Cloud-Init Installed) Function This API is used to reinstall an ECS OS. This API is an asynchronous API. After the OS reinstallation request is successfully delivered, a job ID is returned. This does not mean the reinstallation is complete
Changing an ECS OS (Using an Image Without Cloud-Init Installed) Function This API is used to change the OS of an ECS. This API is an asynchronous API. After the OS change request is successfully delivered, a job ID is returned. This does not mean the OS change is complete. You need
Unbinding a Virtual IP Address from an ECS NIC (Discarded) Function A virtual IP address provides another IP address for one or multiple ECS NICs, improving high availability between the ECSs. This API is used to unbind a virtual IP address from an ECS NIC. After the NIC is unbound
What Should I Do If an SAP Application on an ECS Cannot Be Started? Symptom The /etc/hosts file contains "127.0.0.1 host name host name". As a result, the SAP application installed on the ECS cannot be started. You need to log in to the ECS where the SAP application is deployed to
