Help needed : dpkg --info

From: Ramanathan Rm (send4ram_at_yahoo.com)
Date: 01/19/05

  • Next message: Cathayan: "Re: debian thunderbird" 
    Date: Wed, 19 Jan 2005 00:18:44 -0800 (PST)
To: debian-user@lists.debian.org

    Hello,

    My requirement is to know what are all the dependency
    packages that have to be installed before installing a
    package.

    So I issued the foll. command in a Debian GNU Linux
    3.0 machine,

    dpkg --info apache-dev_1.3.26-0woody6_i386.deb,

    and got the below response.

     new debian package, version 2.0.
     size 535772 bytes: control archive= 2150 bytes.
         557 bytes, 14 lines control
        3334 bytes, 49 lines md5sums
         269 bytes, 9 lines * postinst
    #!/bin/sh
         202 bytes, 7 lines * prerm
    #!/bin/sh
     Package: apache-dev
     Version: 1.3.26-0woody6
     Section: web
     Priority: extra
     Architecture: i386
     Depends: libc6 (>= 2.2.4-4), libdb2 (>= 2:2.7.7.0-7),
    libexpat1 (>= 1.95.2-6), apache-common (>= 1.3.26-0),
    apache-common (<< 1.3.27-0), libdb2-dev (>=
    2.7.7-2.1), libexpat1-dev
     Suggests: apache
     Conflicts: apache (<= 1.3b2)
     Installed-Size: 1440
     Maintainer: Matthew Wilcox <willy@debian.org>
     Source: apache
     Description: Apache webserver development kit
      Provides the Apache C headers and the Apache
    Extension Tool (apxs),
      needed to compile external Apache modules.

    Here I assume the dependencies are listed against the
    Depends label.

     Depends: libc6 (>= 2.2.4-4), libdb2 (>= 2:2.7.7.0-7),
    libexpat1 (>= 1.95.2-6), apache-common (>= 1.3.26-0),
    apache-common (<< 1.3.27-0), libdb2-dev (>=
    2.7.7-2.1), libexpat1-dev

    My questions:

    1)How to find out the exact dependency packages that
    are reqd. from the above? (Because some seems to be
    files)

    2)What do the symbols >> and << mean?

    So that If I do a dpkg --install pkg1 pkg2 ...
    will solve any dependency issues.

    Thanks in advance,
    Ram.

                    
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