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Show the Apache version and active MPM

harmlessApachedebian, ubuntu
user@server
apache2ctl -V

Prints the server version, the architecture and, under Server MPM, the active multi-processing module. The MPM determines the relevant tuning parameters and whether PHP runs as a module (prefork) or via PHP-FPM (event). The output also includes compiled-in paths such as HTTPD_ROOT and SERVER_CONFIG_FILE.

Also searched as

  • check apache version linux
  • prefork or event which mpm
  • check apache mpm
  • apache2 show version

Related one-liners

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Check the Apache configuration for syntax errors

#apache2ctl configtest
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List all configuration files Apache loads

#apache2ctl -t -D DUMP_INCLUDES
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List loaded Apache modules

#apache2ctl -M
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Restart Apache gracefully without dropping connections

#apache2ctl graceful
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Show all Apache virtual hosts and their config files

#apache2ctl -S
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List all installed Plesk PHP versions

$for p in /opt/plesk/php/*/bin/php; do echo "$p: $($p -r 'echo PHP_VERSION;')"; done
harmlessPHP

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