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I have installed oneiric ocelot (Ubuntu 11.10). Its "main" repository (which I found in ISO image with Packages.gz name) contains gfortran but the gfortran command is not working i.e. it is not installed. My assumption is it is not enabled/installed as part of default installation but it is there in the image/iso file of Ubuntu 11.10.

Now I want to find any way to get the gfortran package from the image, but I doubt my assumption that all software packages which are in main repository will be part of the Ubuntu installation image. Please confirm and explain.

  • Where do you find this Packages.gz – Anwar Oct 12 '16 at 6:18
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    Whoever closing this question as off-topic as EOL, please stop. This question is not specific to 11.10 version. – Anwar Oct 12 '16 at 12:32
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No, your assumption is not correct. All softwares from main repository aren't included in Ubuntu live image and cannot be. They are huge!

Packages.gz is the package index file which is consulted when you input a command to install a package, to locate that package file in the Internet. Having gfortran in the file means it is available in repository and can be installed by downloading from Internet (not from the ISO).

Normally the iso image includes a subset of the main repository index file for some unknown reason. Live image also includes some packages in deb format in /pool directory. But these aren't all of the main repository.

| improve this answer | |
  • Perfectly answered my question. Thank you Anwar. – DevBee Oct 12 '16 at 7:59

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