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[23.0 backport] docs/reference: update dockerd docs for changes in 23.0 #4202

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thaJeztah
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docs/reference: remove mention of DOCKER_NOWARN_KERNEL_VERSION

Support for this environment variable was removed in docker 23.0 in

From that patch:

All regular, non-EOL Linux distros now come with more recent kernels
out of the box. There may still be users trying to run on kernel 3.10
or older (some embedded systems, e.g.), but those should be a rare
exception, which we don't have to take into account.

This patch removes the kernel version check on Linux, and the corresponding
DOCKER_NOWARN_KERNEL_VERSION environment that was there to skip this
check.

docs/reference: reformat env-vars table, and simplify

No need to mention that the env-var may be removed at that point to keep
the description more to-the-point.

docs/reference: use table for proxy env-vars

Adding a description based on the Go documentation.

docs/reference: dockerd: use table for env-vars

docs/reference: dockerd: update seccomp flag description

Update the description for the changes made in;

docs/reference: dockerd: remove default oom-score-adjust

The daemon no longer adjusts its oom-score by default; see

docs: update dockerd usage output for new proxy-options

Adds documentation for the options that were added in

- A picture of a cute animal (not mandatory but encouraged)

Support for this environment variable was removed in docker 23.0 in
moby/moby@1240f8b

From that patch:

> All regular, non-EOL Linux distros now come with more recent kernels
> out of the box. There may still be users trying to run on kernel 3.10
> or older (some embedded systems, e.g.), but those should be a rare
> exception, which we don't have to take into account.
>
> This patch removes the kernel version check on Linux, and the corresponding
> DOCKER_NOWARN_KERNEL_VERSION environment that was there to skip this
> check.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 4a863df)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
No need to mention that the env-var may be removed at that point to keep
the description more to-the-point.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 879e080)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Adding a description based on the Go documentation.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 3701748)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit 32bc912)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Update the description for the changes made in;
moby/moby@68e96f8

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit c209743)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
The daemon no longer adjusts its oom-score by default; see

- moby/moby@2b8e68e
- moby/moby@cf7a5be

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit c730a8e)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
Adds documentation for the options that were added in
moby/moby@427c7cc

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit c846428)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
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codecov-commenter commented Apr 13, 2023

Codecov Report

Merging #4202 (b6cd3c8) into 23.0 (0b3f540) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files
@@           Coverage Diff           @@
##             23.0    #4202   +/-   ##
=======================================
  Coverage   58.83%   58.83%           
=======================================
  Files         572      572           
  Lines       49610    49610           
=======================================
  Hits        29188    29188           
  Misses      18648    18648           
  Partials     1774     1774           

@thaJeztah thaJeztah merged commit f480fb1 into docker:23.0 Apr 13, 2023
73 checks passed
@thaJeztah thaJeztah deleted the 23.0_backport_docs_daemon_proxy_config branch April 13, 2023 19:58
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4 participants