newsyslog(8): Add option to globally override compression method.

Historically, newsyslog compressed rotated log files to save disk space.
This was useful in the early days. However, with modern fil

newsyslog(8): Add option to globally override compression method.

Historically, newsyslog compressed rotated log files to save disk space.
This was useful in the early days. However, with modern file systems like
ZFS offering native compression, and with the availability of larger hard
drives, the benefits of additional compression have become less significant.
This is particularly true considering the inconvenience of decompressing
log files when searching for specific patterns.

Additionally, the original implementation of compression methods was not
future-proof. As a result, we have redefined the J, X, Y, Z flags to
signify "treat the file as compressible" rather than "compress the file
with that specific method."

A new command-line option, -c, has been introduced to allow overriding
these settings in a more future-proof way. The available choices are:

* none - do not compress, regardless of flag.
* legacy - historical behavior: J=bzip2, X=xz, Y=zstd, Z=gzip.
* bzip2, xz, zstd, gzip - apply the specified compression method.

Currently, the default is set to 'legacy' to preserve historical behavior.
However, our intention is to change this default to 'none' in FreeBSD 15.0.

Additionally, this update changes the default settings for zstd to use
multithreading and long-range options, better aligning with its intended
use.

Inspired by D42961 .

Reviewed by: debdrup (earlier version, mdoc(7))
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D43165

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usr.sbin: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a p

usr.sbin: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl script.

Sponsored by: Netflix

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Remove $FreeBSD$: one-line nroff pattern

Remove /^\.\\"\s*\$FreeBSD\$$\n/

Merge ^/head r340235 through r340367.

newsyslog.conf: Restrict included files in default config to [!.]*.conf

The new default config will only include files from the following
directories which end with '.conf' and do not beginning with

newsyslog.conf: Restrict included files in default config to [!.]*.conf

The new default config will only include files from the following
directories which end with '.conf' and do not beginning with a '.'
character:
- /etc/newsyslog.conf.d/
- /usr/local/etc/newsyslog.conf.d/

This matches the syslog.conf(5) functionality, and also prevents '.sample' or
'.pkgnew' files being included. This is important for ports which install files
in /usr/local/etc/newsyslog.conf.d/ and also for pkgbase.

Approved by: eadler
Approved by: bapt
Relnotes: yes
Differential Revision: https://reviews.freebsd.org/D17086

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newsyslog.8: Remove cutesy nonsense

Sponsored by: Dell EMC Isilon

newsyslog: fix typeo for 'zstd'

Reported by: swildner@DragonFlyBSD.org
MFC After: 1 week

Merge ^/head r318658 through r318963.

Add newsyslog capability to write RFC5424 compliant rotation message.

This modification adds the capability to newsyslog to write the
rotation message in a format that is compliant with RFC5424. Thi

Add newsyslog capability to write RFC5424 compliant rotation message.

This modification adds the capability to newsyslog to write the
rotation message in a format that is compliant with RFC5424. This
capability is enabled on a per-log file basis through a new value
("T") in the flags field in newsyslog.conf. This is useful on systems
that use the RFC5424 format for log files so that the rotation message
format matches that of the other log messages. There has been recent
mention of adding an RFC5424 compliant mode to syslogd and at least
one alternative system log daemon (rsyslogd) that already has the
capability to use that format.

Reviewed by: vangyzen, ngie
Approved by: vangyzen (mentor)
MFC after: 2 months
Relnotes: yes
Sponsored by: Dell EMC
Differential Revision: https://reviews.freebsd.org/D10253

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Add a new Y flag to newsyslog.conf

This makes newsyslog use zstandard to compress log files.

Given Z is already taken for gzip and zstandard compression level stands in
between gzip and xz (which h

Add a new Y flag to newsyslog.conf

This makes newsyslog use zstandard to compress log files.

Given Z is already taken for gzip and zstandard compression level stands in
between gzip and xz (which has the X flag) chosing Y sounds ok :)

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Merge from head@274682

Sync to HEAD@r272516.

IFC @r272185

Make it more explicitly clear that -t will not change filename.

MFC after: 3 days

Merge head from 7/28

MFC @ r266724

An SVM update will follow this.

IFC @266473

- Include /etc/newsyslog.conf.d/* and /usr/local/etc/newsyslog.conf.d/* by
default for newsyslog(8).

The /usr/local/etc/newsyslog.conf.d will give packages an opportunity to
install a default

- Include /etc/newsyslog.conf.d/* and /usr/local/etc/newsyslog.conf.d/* by
default for newsyslog(8).

The /usr/local/etc/newsyslog.conf.d will give packages an opportunity to
install a default configuration to handle their own log files.

MFC after: 2 weeks
Relnotes: yes

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Merge fresh head.

IFC @247348.

Sync with HEAD.

IFC @ r245178

Have -n imply -r, since dry-run mode obviously doesn't require root
privileges.

Approved by: rstone (co-mentor)
MFC after: 1 week

Sync from head

IFC @238412.