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Update explanation of special device symlinks (#4505) 

The symlinks are described the wrong way round and suggest that /dev/stdout and /dev/stderr are being overwritten, but that's not true - ln -s /dev/stdout /var/log/nginx/access.log creates a symlink at access.log pointing to /dev/stdout.

See `man ln`
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Rob Moore 2017-09-12 00:53:19 +01:00 committed by Misty Stanley-Jones
parent f9766e21f1
commit 527cd9dfad
1 changed files with 3 additions and 3 deletions
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6
engine/admin/logging/view_container_logs.md
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@ -37,9 +37,9 @@ to use `docker logs`. In the second case, the official `nginx` image shows one
workaround, and the official Apache `httpd` image shows another.
The official `nginx` image creates a symbolic link from
`/var/log/nginx/access.log` to `/dev/stdout`, and creates another symbolic link
from `/var/log/nginx/error.log` to `/dev/stderr`, overwriting the previous
devices in the process. See the
`/dev/stdout` to `/var/log/nginx/access.log`, and creates another symbolic link
from `/dev/stderr` to `/var/log/nginx/error.log`, overwriting the log files and
causing logs to be sent to the relevant special device instead. See the
[Dockerfile](https://github.com/nginxinc/docker-nginx/blob/8921999083def7ba43a06fabd5f80e4406651353/mainline/jessie/Dockerfile#L21-L23).
The official `httpd` driver changes the `httpd` application's configuration to