Container tips and tricks: Difference between revisions
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Revision as of 00:55, 15 July 2026
Trace container segment fault
# journalctl --file=/var/log/journal/*/* --follow
Segmentation fault (core dumped)
[ 1673.697349] journalctl[PID]: segfault at...
# coredumpctl info <PID>
Find container root folder in host
# Get container root directory path
$ container_root=$(sudo docker inspect --format '{{.GraphDriver.Data.MergedDir}}' <container_id>)
# Then we can access by creating a symlink to any subdirectory or file within the container
$ sudo ln -s "$container_root/</path/to/mount>" <symlink_name>