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ffmpeg installation in Ubuntu

It’s important to remove any traces of the fake ffmpeg that Ubuntu unfortunately packages. You know you have it because if you run ffmpeg you get a vindictive message from former developers who left the project.

The official installation guide seems to be maintained regularly:

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How To Migrate Linux Between Machines

There is an excellent article here: www.makeuseof.com/…en-machines

  • Create package list: dpkg --get-selections > ~/packagelist.txt
  • Mark packages for reinstallation on new system dpkg --set-selections < ~/packagelist.txt
    • This will mark all packages, but it won’t install them until you run:
  • apt-get -u dselect-upgrade
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Gtk-WARNING **: Error loading icon: Couldn't recognize the image file format

Many GTK based apps failed with errors like:

Gtk-WARNING **: Error loading icon: Couldn't recognize the image file format for file '/usr/share/icons/oxygen/16x16/actions/application-exit.png'

until I ran this line to regenerate the cache:

gdk-pixbuf-query-loaders > /usr/lib/x86_64-linux-gnu/gdk-pixbuf-2.0/2.10.0/loaders.cache
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Changing the primary monitor in a dual-monitor configuration

sudo apt-get install x11-xserver-utils
xrandr #to find out the names of the displays
xrandr --output DVI-0 --primary
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Mapping the mouse thumb button under Ubuntu

  • This tutorial showed me how to identifuy the button I wanted (8)
    www.gizmodo.com.au/…r-hardware
    (watch out because the page uses something like markdown which has garbled – and quote characters)
  • But it didn’t show me how to make it double-click.
  • This might be useful, but it is old:
    ubuntuforums.org/…owthread.php
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Benchmark for Linux

Here are a few CPU oriented benchmarks for Linux.

I am not sure if they are available in packages for CentOS, so I have only given the Ubuntu packages:

(Please note that you will have to enable the community repositories for these)

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Gnome shortcut keys

General keyboard shortcuts

Ctrl+A = Select all (In Documents, Firefox, Nautilus, etc, not Terminal)
Ctrl+C = Copy (In Documents, Firefox, Nautilus, etc, not Terminal)
Ctrl+V = Paste (In Documents, Firefox, Nautilus, etc, not Terminal)

F9 = Toggle Sidebar
F2 = Rename
Ctrl+Shift+N = Create new folder

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Installing NX Server

  • Install NX (info from this page: http://www.nomachine.com/download-package.php?Prod_Id=355 )

    CentOS 6.0 64bit

    yum install wget #must be logged on as root
    NXVER=3.5.0
    CVER=7
    NVER=9
    SVER=5
    ARCH=x86_64
    NXURL=http://64.34.173.142/download
    wget $NXURL/$NXVER/Linux/nxclient-$NXVER-$CVER.$ARCH.rpm
    wget $NXURL/$NXVER/Linux/nxnode-$NXVER-$NVER.$ARCH.rpm
    wget $NXURL/$NXVER/Linux/FE/nxserver-$NXVER-$SVER.$ARCH.rpm
    rpm -i nxclient-$NXVER-$CVER.$ARCH.rpm
    rpm -i nxnode-$NXVER-$NVER.$ARCH.rpm
    rpm -i nxserver-$NXVER-$SVER.$ARCH.rpm

Build Scribus 1.4 svn on Ubuntu Lucid Linux

Make sure these libraries are installed

aptitude install subversion cmake libcups2-dev libtiff4-dev python2.6-dev g++ qt4-qmake libqt4-dev libxml2-dev libcairo2-dev libboost-dev libaspell-dev liblcms-dev

Build PoDoFo

dp=/opt/podofo
svn co https://podofo.svn.sourceforge.net/svnroot/podofo/podofo/trunk $dp
vi $dp/CMakeLists.txt
#append the following two lines:

SET_TARGET_PROPERTIES(podofo_static PROPERTIES 
  COMPILE_FLAGS "-DBUILDING_PODOFO -fPIC" )

mkdir -p $dp/podofo-build
cd $dp/podofo-build
cmake ..
make
make install
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Installing extras on Ubuntu 10.04 Lucid

Extra applications

apt-get -y install subversion g++ openssh-server gnome-device-manager #programming
apt-get -y install gimp inkscape kpat rss-glx vlc vim hardinfo sysbench #essentials
apt-get -y install deluge akregator bibletime xiphos kdenlive koffice thunderbird amarok k3b #other programs
apt-get -y install libxine1-ffmpeg libqt4-sql-psql lame libqt4-dev gnome-alsamixer mozilla-plugin-vlc #libraries
apt-get install ia32-libs #32 bit drivers for 64 bit systems
apt-get -y install msttcorefonts xclip

DVD playback and extra codecs

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