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[CI:DOCS] Add java TZ note to run manpage 

Add a note to show how to workaround the `--tz` option
being ignored in the run command.

Related to: https://bugzilla.redhat.com/show_bug.cgi?id=1984251

Signed-off-by: TomSweeneyRedHat <tsweeney@redhat.com>
This commit is contained in:
TomSweeneyRedHat 2021-11-19 20:38:49 -05:00
parent 2755d0255c
commit d068997694
1 changed files with 19 additions and 0 deletions
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docs/source/markdown/podman-run.1.md
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@ -1848,6 +1848,25 @@ $ podman run --name container1 --personaity=LINUX32 fedora bash
$ podman run --name container1 --rootfs /path/to/rootfs:O bash
```
### Handling Timezones in java applications in a container.
In order to use a timezone other than UTC when running a
Java application within a container, the `TZ` environment variable must be
set within the container. Java applications will ignore the value set with the
`--tz` option. This will be corrected in a later relase.
```
# Example run
podman run -ti --rm -e TZ=EST mytzimage
lrwxrwxrwx. 1 root root 29 Nov 3 08:51 /etc/localtime -> ../usr/share/zoneinfo/Etc/UTC
Now with default timezone:
Fri Nov 19 18:10:55 EST 2021
Java default sees the following timezone:
2021-11-19T18:10:55.651130-05:00
Forcing UTC:
Fri Nov 19 23:10:55 UTC 2021
```
### Rootless Containers
Podman runs as a non root user on most systems. This feature requires that a new enough version of **shadow-utils**