LinuxQuestions.org
Visit Jeremy's Blog.
Home Forums Tutorials Articles Register
Go Back   LinuxQuestions.org > Blogs
Reload this Page Notes on Linux
User Name
Password

Notices


I leave notes here that I find particularly worth remembering myself.
Old

Shortest command to calculate the sum of a column of output

Posted 06-02-2010 at 06:27 AM by bittner (Notes on Linux)
I had to calculate the Installed-Size for a .deb control file recently. Here is the solution I came up with:

Code:
dpkg-deb -c mypackage.deb | sed -e 's/.*root\s*//' -e 's/\s*2010-.*$//' | xargs | tr ' ' + | bc
What it does? The code tries to construct a calculation string and feeds it to the command line calculator bc as follows:
  1. use dpkg-deb to get the file size information out of the Debian package
  2. sed away all characters before and after the
...
Continue reading...
LQ Newbie
Posted in Uncategorized
Views 7965 Comments 2 bittner is offline
Old

Howto build your own Debian repository

Posted 06-01-2010 at 05:04 AM by bittner (Notes on Linux)
Updated 06-07-2010 at 07:08 AM by bittner (added reference (background reading))
If you write software for Linux and you write them for Debian systems (Debian, Ubuntu, and others) you may want to provide your software as .deb installation packages. And one day eventually you will want to set up a repository so others can download and install your software without fuzz.

If you look at a Debian mirror (e.g. http://ftp.debian.org/debian/) you will find out one day that packages and meta information is split up into two main directories on the root level:
  • dists
...
Continue reading...
LQ Newbie
Posted in Uncategorized
Views 20168 Comments 1 bittner is offline
Page 2 of 2 1 2

  



All times are GMT -5. The time now is 01:11 PM.

Contact Us - Advertising Info - Rules - Privacy - LQ Merchandise - Donations - Contributing Member - LQ Sitemap -
Main Menu
Advertisement
Advertisement
My LQ
Write for LQ
LinuxQuestions.org is looking for people interested in writing Editorials, Articles, Reviews, and more. If you'd like to contribute content, let us know.
Main Menu
Syndicate
RSS1  Latest Threads
RSS1  LQ News
Twitter: @linuxquestions
Open Source Consulting | Domain Registration