Improving for Firefox / Iceweasel

Settings in about:config

  • Do NOT add www. and .com to names in the urlbar
    browser.fixup.alternate.enabled = False
  • Do NOT hide the http(s):// prefix
    browser.urlbar.trimURLs = False
  • Do NOT search in the urlbar
    keyword.enabled = False




Fix missing API-help in Qt Creator

On Windows the installer installs and registers the Qt API documentation automatically.
On Linux you can install the docs separately and than need to register it manually.

Install qtbase5-doc
Tools -> Options -> Help -> Documentation -> Add…
Add path “/usr/share/qt5/doc/qtwidgets.qch” and if needed the other qch-files from that directory.

Install qt4-docTools -> Options -> Help -> Documentation -> Add…
Add path “/usr/share/qt4/doc/qch/qt.qch” and if needed the other qch-files from that directory.

Skype video on amd64

I had some problems to get Skype video working on my Debian amd64 system.
The problems are grounded in the outdated Skype-Linux-Beta.
They offer some amd64 packages but those are contain i386 libs.
Skype-video still uses Video4Linux1 although Video4Linux2 is available since the 2.5.* kernels!
To get things working you need to use the 32bit v4l1 compatibility library:

sudo apt-get install lib32v4l-0
LD_PRELOAD=/usr/lib32/libv4l/ skype

Converting Debian packages from dpatch to quilt

A backup copy of written by Romain Francoise

I’ve been using quilt a lot at work recently (in a non-Debian environment), and I’ve been enjoying it very much. So much that I’ve decided to convert my Debian packages to it, from dpatch. Once you’re used to quilt, using dpatch is almost literally painful. :)

There doesn’t seem to be a ready-made guide on how to convert packages from dpatch to quilt, so here’s how to do it painlessly in five easy steps:

    1. Install the quilt package (duh) and make sure that the QUILT_PATCHES variable is set to debian/patches in your shell environment. Or you can set it in your ~/.quiltrc file instead (see this post for other interesting settings).
    2. Delete the build dependency on dpatch from your debian/control file, replacing it with a dependency on quilt (>= 0.40).
    3. In your debian/rules file, include /usr/share/quilt/quilt.make instead of /usr/share/dpatch/dpatch.make.
    4. Convert all your dpatch files by using the following command from your package’s top level:
      for p in $(dpatch list-all); do \
      quilt import -P $p.diff debian/patches/$p.dpatch; \
      quilt push; \
    5. Delete dpatch files:

rm -f debian/patches/00list debian/patches/*.dpatch

And that’s pretty much it! You’ll probably want to clean up the headers of your debian/patches/*.diff files since they’ll still contain some dpatch markers. You can now build your package as usual. To edit a patch, use quilt push, quilt edit, finish with quilt refresh to save the patch.

For more information on how to use quilt, read the tutorial, it’s in /usr/share/doc/quilt. You won’t regret switching!

And a Comment from kartikm:

Better to use: quilt push; quilt header -e; quilt refresh for header editing..

How to compile Debian packages

  • Install needed tools:
    apt-get install devscripts dpkg-dev
  • Install packages needed to compile the package:
    sudo apt-get update
    sudo apt-get build-dep PAKET

    (This only works if the package is available via apt-src entries in sour apt-sources)
  • If the package is available via ‘deb-src’ the sources can be downloaded and compiled directly:
    sudo apt-get update
    fakeroot apt-get -b source PAKET
  • Alternatively you can download the three source files (*.orig.tar.gz, *.diff.gz or *.debian.tar.gz and *.dsc) with ‘dget’:
    dget http://somurl/package.dsc
  • Unpack it:
    dpkg-source -x paket*.dsc
  • Change to the package dir:
    cd paket*
  • Compile it with
    -S only build the source package
    -b only compile a prepared source package
    -sa add orig.tar.gz to the *.dsc file
    -sd not add orig.tar.gz to the *.dsc file
    -us not sign the source
    -uc not sign the chnages
    -b no sources
    -B no architecture-independent
    ‘debuild’ is a wrapper for ‘dpkg-buildpackage’ which could also be called directly