17 Jun 2019 02:45:39 UTC
- Distribution: Systemd-Util
- Module version: 0.002
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- License: perl_5
- Perl: v5.10.1
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Systemd::Util - Some utility routines related to Systemd
This document describes version 0.002 of Systemd::Util (from Perl distribution Systemd-Util), released on 2019-06-17.
systemd_is_running() -> [status, msg, payload, meta]
Check if systemd is running.
Will return payload of 1 if systemd is running, 0 if not running,
undefif cannot determine for sure. The result metadata
func.notewill give more details. The following heuristics are currently used:
- 1. Check if
/sbin/initexists, if it does not the return 0.
- 3. Check if
/lib/systemd/systemdexists. Return 0 otherwise.
- 5. Return undef otherwise, since we detect that
/lib/systemd/systemdexists (systemd is installed) but we cannot be sure if it is running or not.
When used as a CLI, this routine will exit 0 if systemd is running, 1 if systemd is not running, or 99 if cannot determine for sure. To see the more detailed note, you can run the CLI with
--jsonto return the whole enveloped response.
This function is not exported by default, but exportable.
Returns an enveloped result (an array).
First element (status) is an integer containing HTTP status code (200 means OK, 4xx caller error, 5xx function error). Second element (msg) is a string containing error message, or 'OK' if status is 200. Third element (payload) is optional, the actual result. Fourth element (meta) is called result metadata and is optional, a hash that contains extra information.
Return value: (any)
Please visit the project's homepage at https://metacpan.org/release/Systemd-Util.
Source repository is at https://github.com/perlancar/perl-Systemd-Util.
Please report any bugs or feature requests on the bugtracker website https://rt.cpan.org/Public/Dist/Display.html?Name=Systemd-Util
When submitting a bug or request, please include a test-file or a patch to an existing test-file that illustrates the bug or desired feature.
This software is copyright (c) 2019 by firstname.lastname@example.org.
This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.
Module Install Instructions
To install Systemd::Util, copy and paste the appropriate command in to your terminal.
perl -MCPAN -e shell install Systemd::Util
For more information on module installation, please visit the detailed CPAN module installation guide.
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