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| author | Daniel J Walsh <dwalsh@redhat.com> | 2021-05-03 09:27:38 -0400 |
|---|---|---|
| committer | Daniel J Walsh <dwalsh@redhat.com> | 2021-05-03 15:54:20 -0400 |
| commit | 65b62cca0448355013fdae10f08293ee5ef0658e (patch) | |
| tree | fd2cb5560aee753d047608cdcd550cfdfe9333d8 /troubleshooting.md | |
| parent | 697ec8f6f0ac8f251fd7f3f3bb5e21313ca62207 (diff) | |
| download | podman-65b62cca0448355013fdae10f08293ee5ef0658e.tar.gz podman-65b62cca0448355013fdae10f08293ee5ef0658e.tar.bz2 podman-65b62cca0448355013fdae10f08293ee5ef0658e.zip | |
Fix troubleshooting documentation on handling sublemental groups.
Fixes: https://github.com/containers/podman/issues/10166
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Diffstat (limited to 'troubleshooting.md')
| -rw-r--r-- | troubleshooting.md | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/troubleshooting.md b/troubleshooting.md index 1e21edab4..e320f20e7 100644 --- a/troubleshooting.md +++ b/troubleshooting.md @@ -495,10 +495,10 @@ $ podman unshare cat /proc/self/uid_map Reference [subuid](http://man7.org/linux/man-pages/man5/subuid.5.html) and [subgid](http://man7.org/linux/man-pages/man5/subgid.5.html) man pages for more detail. -### 20) Passed-in device can't be accessed in rootless container +### 20) Passed-in devices or files can't be accessed in rootless container -As a non-root user you have group access rights to a device that you want to -pass into a rootless container with `--device=...`. +As a non-root user you have group access rights to a device or files that you +want to pass into a rootless container with `--device=...` or `--volume=...` #### Symptom @@ -507,9 +507,9 @@ Any access inside the container is rejected with "Permission denied". #### Solution The runtime uses `setgroups(2)` hence the process looses all additional groups -the non-root user has. If you use the `crun` runtime, 0.10.4 or newer, -then you can enable a workaround by adding `--annotation io.crun.keep_original_groups=1` -to the `podman` command line. +the non-root user has. Use the `--group-add keep-groups` flag to pass the +user's supplementary group access into the container. Currently only available +with the `crun` OCI runtime. ### 21) A rootless container running in detached mode is closed at logout |