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. If you enabled EC2 Serial Console for Linux, then you can use it to troubleshoot supported Nitro-based instance types.
There are two methods to access the root volume: Resolution Access the instance's root volume Update the default kernel in the GRUB bootloader. To revert to the previous versions, do the following:Ģ. You can't use SSH to connect to the impaired instance. If you performed a kernel update to your EC2 Linux instance but the kernel is now corrupt, then the instance can't reboot.
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