If your instance's root device is an Amazon EBS-backed volume, then try stopping and then starting the instance.
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For Windows instances, see Troubleshoot an unreachable instance. For general instructions on recovering a Linux instance, see Instance recovery when a host computer fails.These steps are a combination of Systems Manager actions, AWS CloudFormation actions, and AWS Lambda functions. The AWSSupport-ExecuteEC2Rescue document is designed to automate steps normally required to use EC2Rescue for Linux. For more information, see Walkthrough: Run the EC2Rescue tool on unreachable instances. Note: You can also use an AWS Systems Manager Automation document to troubleshoot connection issues. Start the EC2 instance and then verify that the instance is responsive. Ensure this is the same as seen in step 2.ġ6. Detach the secondary volume ( /dev/sdf) from the rescue EC2 instance, and then attach it to the original instance as /dev/xvda or /dev/sda1 (root volume). Note: If the unmount operation isn't successful, you might have to stop or reboot the rescue instance to enable a clean unmount.ġ5. Note: If you receive errors when running AWS CLI commands, make sure that you’re using the most recent version of the AWS CLI.
#Duplicate photo fixer root permission serial#
For information on configuring the EC2 Serial Console for Linux, see Configure access to the EC2 Serial Console.
If your instance is unreachable and you haven’t configured access to the serial console, follow the instructions in the Resolution section. Also, every instance using the serial console must include at least one password-based user. Then create AWS Identity and Access Management (IAM) policies granting access to your IAM users. You can access the serial console using the Amazon EC2 console or the AWS Command Line Interface (AWS CLI).īefore using the serial console, grant access to the console at the account level. The serial console connects to your instance without the need for a working network connection.
The serial console helps you troubleshoot boot issues, network configuration, and SSH configuration issues. Note: If you’ve enabled EC2 Serial Console for Linux, then you can use it to troubleshoot supported Nitro-based instance types. Automatically remediate system problems such as correcting OpenSSH file permissions or disabling known problematic kernel parameters.ĮC2Rescue for Linux requires an Amazon EC2 Linux instance that meets the following prerequisites:.Detect system problems such as asymmetric routing or duplicate root device labels.Collect logs and details such as syslog, dmesg, application error logs, and SSM logs.Collect system utilization reports such as vmstat, iostat, mpstat, and so on.EC2Rescue for Linux also collects advanced logs, system utilization reports, and configuration files for further analysis.Ĭommon scenarios addressed by EC2Rescue for Linux: EC2Rescue for Linux is run on your Amazon EC2 Linux instance to correct operating system-level issues. EC2Rescue for Linux is a tool that helps diagnose and troubleshoot problems on Amazon EC2 Linux instances.