Changes between Initial Version and Version 1 of WhatIsAPackage


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Timestamp:
10/17/12 18:31:38 (10 years ago)
Author:
jdreed
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  • WhatIsAPackage

    v1 v1  
     1 = What Is A Package = 
     2 
     3A Debian package consists of both its contents (generally, the files and directories it includes) and some metadata.  There are both source and binary packages, which we will discuss in detail. 
     4 
     5Binary packages have the file extension `.deb`, and are managed with the `dpkg` command.  Given a .deb file, `dpkg -c` will list the files in the package, and `dpkg -I` will display the package's "control" information.  This is the metadata mentioned above.  Let's look at an example: 
     6 
     7{{{ 
     8 
     9$ dpkg -I xterm_271-1ubuntu2.1_amd64.deb  
     10 new debian package, version 2.0. 
     11 size 565320 bytes: control archive= 8406 bytes. 
     12     198 bytes,     6 lines      conffiles             
     13    1690 bytes,    35 lines      control               
     14    2031 bytes,    31 lines      md5sums               
     15   22146 bytes,   665 lines   *  postinst             #!/bin/sh 
     16     160 bytes,     5 lines   *  postrm               #!/bin/sh 
     17   21414 bytes,   647 lines   *  prerm                #!/bin/sh 
     18 Package: xterm 
     19 Version: 271-1ubuntu2.1 
     20 Architecture: amd64 
     21 Maintainer: Ubuntu X-SWAT <ubuntu-x@lists.ubuntu.com> 
     22 Installed-Size: 1382 
     23 Depends: xbitmaps, libc6 (>= 2.15), libfontconfig1 (>= 2.8.0), libice6 (>= 1:1.0.0), libtinfo5, libutempter0 (>= 1.1.5), libx11-6, libxaw7, libxft2 (>> 2.1.1), libxmu6, libxt6 
     24 Recommends: x11-utils 
     25 Suggests: xfonts-cyrillic 
     26 Provides: x-terminal-emulator 
     27 Section: x11 
     28 Priority: optional 
     29 Multi-Arch: foreign 
     30 Homepage: http://invisible-island.net/xterm/xterm.html 
     31 Description: X terminal emulator 
     32  xterm is a terminal emulator for the X Window System.  It provides DEC VT102 
     33  and Tektronix 4014 compatible terminals for programs that cannot use the 
     34  [truncated for brevity] 
     35}}} 
     36