Arch Linux

cola

Member

Registered: 2009-11-20

Posts: 63

What's the command to know if a package is installed or not?

What's the command to know if a package is installed or not?

karol

Archivist

Registered: 2009-05-06

Posts: 25,440

Re: What's the command to know if a package is installed or not?

man pacman

Mardoct

Member

Registered: 2009-08-17

Posts: 208

Re: What's the command to know if a package is installed or not?

For future reference, use

man <command>

to get info, or check the wiki entry.

It's

pacman -Q <package name>

to list exact matches, or

pacman -Qs <regex>

to look for a certain regex.

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IgnorantGuru

Member

Registered: 2009-11-09

Posts: 640

Website

Re: What's the command to know if a package is installed or not?

Here's my pacman cheat sheet so far...

Refresh
    pacman -Sy

Search
    pacman -Ss term1 term2...

Clear cache (interactive)
    pacman -Scc

Show unrequired packages
    pacman -Qt

Show unrequired packages that were installed as dependencies
    pacman -Qtd

Find outdated packages
    pacman -Sy
    pacman -Qu

System upgrade
    pacman -Su

Show dependencies and required by
    pacman -Qi package

Show files owned by
    pacman -Ql package

Remove package and unneeded deps
    pacman -Rs package

jasonwryan

Anarchist

From: .nz

Registered: 2009-05-09

Posts: 30,424

Website

Re: What's the command to know if a package is installed or not?

The Pacman Rosetta is very helpful...

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fukawi2

Ex-Administratorino

From: .vic.au

Registered: 2007-09-28

Posts: 6,222

Website

Re: What's the command to know if a package is installed or not?

Isn't this the same question as: http://bbs.archlinux.org/viewtopic.php?id=85468

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IgnorantGuru

Member

Registered: 2009-11-09

Posts: 640

Website

Re: What's the command to know if a package is installed or not?

The Pacman Rosetta is very helpful...

Thanks, that's very cool