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On Debian, I can download a package plus its dependent packages with

apt-get install my_desired_package --download-only

This will not install the packages, but only download them to /var/cache/apt/archives/. If I want to install the previously downloaded packages later, how would I do it (suppose I am offline)?

I can install one package with dpkg -l package1 but only if all dependencies are met.

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Can you install all of them using: dpkg -l *? I don't know, its just a guess. –  Kevdog777 Dec 19 '13 at 15:58
    
@Kevdog777 Since they are downloaded to /var/cache/apt/archives, that wouldn't be a good idea. –  jordanm Dec 19 '13 at 16:00

1 Answer 1

up vote 7 down vote accepted

apt-get always checks it's cache before performing a download. If the target package is available in /var/cache/apt/archives, then it will be installed from there and not downloaded. If the version has changed since you have done the download, you will have to specify the version manually.

apt-get install my_desired_package
apt-get install my_desired_package=1.0.1
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Isn't that just installing them, when you are online? I thought the OP was saying to download them now, then install them at a later stage, when they are offline... no? Good answer though. –  Kevdog777 Dec 19 '13 at 16:06
2  
@Kevdog777 if the packages are downloaded already, and the version/sums fits what it's in the package list, apt-get won't try to connect to internet, so is like you are offline ;). –  Braiam Dec 19 '13 at 16:08
    
Ah ok, I didn't know that, TBH. Thanks :) –  Kevdog777 Dec 19 '13 at 16:44

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