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cheatsheet-tldr/tldr/linux/a2query

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---
syntax: markdown
tags: [tldr, linux]
source: https://github.com/tldr-pages/tldr.git
---
# a2query
> Retrieve runtime configuration from Apache on Debian-based OSes.
> More information: <https://manpages.debian.org/latest/apache2/a2query.html>.
- List enabled Apache modules:
`sudo a2query -m`
- Check if a specific module is installed:
`sudo a2query -m {{module_name}}`
- List enabled virtual hosts:
`sudo a2query -s`
- Display the currently enabled Multi Processing Module:
`sudo a2query -M`
- Display Apache version:
`sudo a2query -v`