Documentation

This is taking longer than usual. If nothing appears, refresh the page.

Documentation

    {{docApp.userSession.userId}}
    {{docApp.userSession.userName}}
    {{docApp.userSession.email}}
    Issuer : {{docApp.userSession.issuerInstance}}
    Expires : {{new Date(docApp.userSession.validUntil).toLocaleDateString()}}

{{docApp.title}}

{{docApp.description}}

Connect an AI assistant

Your AI assistant can read this documentation directly, so it answers from the current content instead of guessing. Add one of the servers below to your client — they use the Model Context Protocol (MCP). Each one covers a different body of content, so add the one you need.

The catalog did not load. Refresh the page to try again.

Loading…

How can we help?

{{docApp.searchError}}

Searching in {{docApp.searchFilterBySpecificBookTitle}}

 {{docApp.currentResultsSearchText}}  in {{docApp.searchFilterBySpecificBookTitle}}
Found {{docApp.searchResponse.totalResultsAvailable}} matches. Showing the top {{docApp.searchResponse.results ? docApp.searchResponse.results.length : 0}}. Use a more specific search to further narrow down the results.
No documentation pages match this search, so all content types are shown. Most matches are in {{docApp.searchDocTypeRescue.best.name}}.
There is no book with the ID "{{docApp.searchBookRescue.bid}}", so the book filter from this link was ignored and results from all books are shown.

You have an odd number of " characters in your search terms - each one needs closing with a matching " character!

  • {{resultItem.title}} {{resultItem.matchedBy === 'semantic' ? 'semantic' : (resultItem.matchedBy === 'both' ? 'keyword + semantic' : 'keyword')}}

    {{resultItem.url}}

{{docApp.libraryHomeViewProduct.title || docApp.libraryHomeViewProduct.id}}

{{docApp.libraryHomeViewProduct.description}}

  1. {{book.title}}

Debian Package Management (APT) - Is Package Installed

  • Article
  • 1 minutes to read

Operation Information

Confirm the installation of a package using apt-cache, if installed the package version is returned.

Input Parameters

Name Type Description Required Sensitive
PackageName string Name of the package to check installation status Yes No

Output Parameters

Name Type Description Required Sensitive
outcome string Outcome of the operation. Can be OK or FAIL Yes No
errors string Any errors returned by the operation No No
version string The version of the installed package No No
installed string Is the package installed No No
  • Version {{docApp.book.version}}
  • Node {{docApp.node}} / {{docApp.build}}
In This Document