Debugging

Useful tools and techniques to understand what’s going on inside a Flatcar instance when things don’t work as expected.

Collecting crash logs on Flatcar Container Linux

How to use pstore to access crash logs.

Debugging tools on Flatcar Container Linux

How to use the Flatcar “toolbox” to debug problems.

Reading the system log

How to use journalctl to understand what’s going on.

Performing manual Flatcar Container Linux rollbacks

How to manually rollback to a previous Flatcar version.

Working with btrfs and common troubleshooting

Tips and tricks for solving issues related to btrfs on Flatcar.