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Install FFmpeg on RHEL 5 or CentOS 5

Ryan — Wed, 18 Jan 2012 22:45:50 +0000

FFmpeg contains a number of tools to record, convert, stream and play multimedia content. The following tutorial will guide you through the installation of FFmpeg on either RHEL 5 or CentOS 5. I have chosen running on CentOS but it shouldn’t make a difference either way. Lets get started!

Adding the DAG repository

The first thing that you need to do is set up the DAG repository. This repository contains a large amount of very handy packages not available in the default repositories.

Add the following lines to: /etc/yum.repos.d/CentOS-Base.repo
[dag] name=DAG RPM Repository baseurl=http://apt.sw.be/redhat/el$releasever/en/$basearch/dag gpgcheck=1 enabled=1

Now you need to add DAG’s GPG key. Without this you will get the following error message when attempting to use it with yum.

warning: rpmts_HdrFromFdno: Header V3 DSA signature: NOKEY, key ID 6b8d79e6 Public key for faac.x86_64.1.26-1.el5.rf.rpm is not installed

Import the GPG key:
rpm --import http://apt.sw.be/RPM-GPG-KEY.dag.txt

This next step is not necessary, but if you encounter any problems you may want to try updating your system.
$ sudo yum update

Install FFmpeg

$ sudo yum install ffmpeg

That should be it.

Install Unity on Ubuntu 10.10 Maverick

Ryan — Fri, 01 Apr 2011 14:47:54 +0000

In contrast to GNOME 3′s Gnome Shell, Unity is Ubuntu’s take on the next generation of the desktop. In a previous article I went into detail on to install Gnome Shell in Ubuntu 10.10, now its time to do the same for Unity.

There are a couple options to try unity on 10.10. The somewhat outdated Unity package in the repositories, and the latest daily build of the 2D Unity which lacks hardware acceleration. Unfortunately if you want the latest 3D accelerated version you will have to upgrade to Ubuntu 11.04 Natty.

Install the Older Unity from the Repository

The version of Unity included the the default Ubuntu 10.10 repository is 0.2.46. This is a fairly outdated version but it is easy to install and it will give you a good idea of what to expect when the new version is released for Ubuntu 11.04 Natty.

$ sudo apt-get install unity

Install the Daily Build of 2D Unity

You can also install the low-resource Unity 2D back ported from 11.04. This is the daily build so are getting the bleeding edge developmental version with all the latest features. The only real difference between this version and the normal 3D accelerated version is the lack of 3D eye candy.

To install you need to add the Personal Package Archive (PPA) and install Unity 2D.

$ sudo add-apt-repository ppa:unity-2d-team/unity-2d-daily $ sudo apt-get update $ sudo apt-get install unity-qt-default-settings

You can then change your default login session to use Unity instead of Gnome. Go to System > Administration > Login Screen and select Unity. Logout and log back in and enjoy the Unity Desktop.

Install Google Earth in Ubuntu

Ryan — Wed, 09 Mar 2011 22:20:11 +0000

Installing Google Earth is relatively straight forward. Download the Ubuntu/Debian package from Google, then click on the package to install it. Unfortunately when you attempt to run the program you may be hit with the following error.

/usr/bin/google-earth: 43: ./googleearth-bin: not found

This occurs because Google Earth has a dependency on /lib/ld-lsb.so.3, and unless this library is installed it won’t run. To correct this problem you will need to install the lsb-core package.

$ sudo apt-get install lsb-core

Install GNOME Shell in Ubuntu 10.10 Maverick

Ryan — Tue, 08 Mar 2011 20:46:32 +0000

GNOME Shell is a component of GNOME 3.0 which is the next generation of the GNOME Desktop Environment scheduled for release in April 2011. With the release fast approaching you may be eager to give it a try on your current Ubuntu 10.10 installation.

There are currently two ways to install GNOME Shell. The easiest method is to install the gnome-shell package in the Ubuntu repository. Unfortunately the latest version supported in Ubuntu 10.10 is 2.32 which will give you a good taste of what to expect, but is outdated compared with the latest development releases (2.91.x series will become the official 3.0 stable release). The second method is to build from source. This will give you the latest version but is slightly more complex. If you are comfortable with the command line it shouldn’t be too much of a hassle.

Method 1: Install Old (2.32) Version from the Repository

GNOME Shell is in the Ubuntu repositories by default, simply install it with apt-get. Unfortunately this will give you the outdated 2.32 version.
$ sudo apt-get install gnome-shell

Alternatively you can install the gnome-shell package from the Ubuntu Software Center.

Method 2: Build Latest (3.X) Version from Source

The following steps will give you the latest bleeding edge version of GNOME 3. This will NOT break your current GNOME 2 installation, but simply install GNOME 3 and its dependencies along side your current packages. You will be free to switch between GNOME 2 and 3 at will.

1) Install Dependencies

Run this command to install the GNOME Shell dependencies.
$ sudo apt-get install curl libtiff4-dev libgstreamer0.10-dev libcroco3-dev xulrunner-dev mesa-utils mesa-common-dev libreadline5-dev libgl1-mesa-dev libwnck-dev librsvg2-dev libgnome-desktop-dev libgnome-menu-dev libffi-dev libgtk2.0-dev libgconf2-dev libdbus-glib-1-dev gtk-doc-tools gnome-common git-core flex bison automake build-essential icon-naming-utils autopoint libvorbis-dev libpam-dev libgcrypt-dev libtasn1-dev libtasn1-3-bin libgnome-keyring-dev libupower-glib-dev libxklavier16 libxklavier-dev xserver-xephyr python-dev libpulse-dev libjasper-dev jhbuild libgtop2-dev libsqlite3-dev libproxy-dev libdb-dev libproxy-dev libcups2-dev libusb-1.0-0-dev

2) Download the Source

Get the script to setup your jhbuild environment.
$ wget http://git.gnome.org/browse/gnome-shell/plain/tools/build/gnome-shell-build-setup.sh

Make the script executable.
$ chmod +x gnome-shell-build-setup.sh

Execute the script. This will install jhbuild.
$ ./gnome-shell-build-setup.sh

3) Build GNOME 3

This command will download the latest source code and build GNOME 3. GNOME Shell includes 40+ packages that need to be downloaded and built. This can take a significant amount of time to complete so be patient.
$ jhbuild build

4) Keep GNOME 3 Up to Date

You are running the bleeding edge version of GNOME 3 and because of this the code in the git repositories will be constantly changing. To test the latest changes after your initial insallation simply run the following command. This automatically update your local copy of the source code and rebuild if there are any changes to GNOME 3 package or its dependencies.

$ jhbuild build

Starting GNOME Shell

Alt+F2 and enter:
$ ~/gnome-shell/install/bin/gnome-shell –-replace

Stopping GNOME Shell

To exit and return to your default Gnome 2 hit Alt+F2 and enter:
debugexit

Troubleshooting

If you are using an NVIDIA graphics card and are having problems with speed.
Fix Slow Animations in GNOME Shell for NVIDIA Graphics Cards

This guide will walk you through the steps necessary to download the source code and build the GNOME 3 package. It is helpful if you run into any problems.
Build GNOME Shell

VirtualBox 4.0 upgrade and the Oracle VM VirtualBox Extension Pack

Ryan — Sat, 29 Jan 2011 10:46:42 +0000

With the new version of VirtualBox (4.0.0) comes a new feature called Extension Packs. Before version 4.0, there were two editions of VirtualBox: a full binary containing all features and an “Open Source Edition” (OSE) with source code. With version 4.0, there is only one version any more, which is open source, and the closed-source components have been moved to a separate extension pack. These will contain various additions like high-speed USB 2.0, Remote Display Services and Network booting.

If you have the USB enabled when you update to version 4.0.0 and try to start the guest you will receive the following error until you turn off USB or install the Extension Pack.

Implementation of the USB 2.0 controller not found! The device will be disabled. You can ignore this warning but there will be no USB 2.0 support in your VM. To fix this issue, either install the 'Oracle VM VirtualBox Extension Pack' or disable USB 2.0 support in the VM settings

You can download the Extension pack here.

To install the Extension pack you download and save it to your hard drive and then open the VirtualBox main program. Click on preferences and on the left side click Extensions. On the right side, click the add package icon and then open the folder that has the extension and click to install it.

Install git on SUSE 11

Ryan — Wed, 05 Jan 2011 19:07:29 +0000

Git is a great version control system which is used everywhere these days. The process of installing git on SUSE is as easy as other distros at moment but is not to difficult if you follow these steps. To my knowledge at this point in time there is no git rpm package for SUSE. There is a Fedora RPM but it fails to install correctly due to many missing dependencies.

No problem. You will have to build and install from source. Go to http://git-scm.com/download and download the latest source. At the time of this guide the latest version is 1.7.3.4.

Once you have the tarball extract the source.
$ tar xvjf git-1.7.3.4.tar.bz2

You can now run configure.
$ ./configure

Unfortunatly you will run into a missing libz dependency and the build will fail.
$ makeGIT_VERSION = 1.7.3.4 * new build flags or prefix CC fast-import.o In file included from builtin.h:6, from fast-import.c:147: cache.h:17:18: error: zlib.h: No such file or directory

To solve this you will need the zlib-devel package which you can download from here:
$ wget ftp://ftp.pbone.net/mirror/ftp5.gwdg.de/pub/opensuse/repositories/Base:/build/standard/x86_64/zlib-devel-1.2.3-135.52.x86_64.rpm

Install the RPM package.
$ sudo rpm -ivh zlib-devel-1.2.3-135.52.x86_64.rpm

You should now be able to successfully build and install git.
$ make && make install

Build the perfect HTPC with Boxee and the Dell Zino HD

Ryan — Thu, 16 Dec 2010 17:12:28 +0000

If you are looking for a great HTPC then you should look no further than Boxee on the Dell Zino HD. For those of you that don’t know, Boxee is a free software program that you install on your computer that allows users to watch internet movies and TV shows, listen to online radio and music, play your local digital music and movies. The Boxee software turns your HTPC into a social media and home theater media center.

Boxee allows users to watch and listen to their local media, as well all access movies on Netflix, internet radio on LastFM and Pandora, and TV shows through NBC, FOX, ABC, and HULU. Boxee is diverse in its functionality and continues to evolve quickly.

Once installed boxee will start scanning your local Movies, Music and Pictures folders automatically. Boxee will attempt to bring artwork, reviews, cast, etc. for your media, so browsing your library becomes more useful and fun than looking at a list of files. Boxee is based on the XMBC media center.

You can buy a specific Boxee “Box” or build your own by downloading the free software .deb package and installing it on your own Ubuntu (or Windows/Mac) based Linux PC. Sorry but there is no love for Fedora or other RedHat distributions at the moment.

Here is a view of the Boxee home screen.

As far as hardware goes you can’t go wrong with the Dell Inspiron Zino HD. This little PC is powerful and keeps a very low profile in your home theater.

The Zino HD starts at $299 and you get is a CD/DVD combo drive, integrated graphics, integrated 2.1 Hi-def audio, and a dual core AMD processor. All models come packed with multiple USB ports, eSATA, HDMI, VGA, Gigabit Ethernet, analog audio in/out, SPDIF, and a 4-in-1 media card reader, so connectivity is covered. With an HDMI cable and an HDTV, you could have your Boxee HTPC up in no time.

Optionally you can upgrade to THX 7.1 audio, integrated WiFi, discrete graphics cards, Blu-Ray drive, or a quad core Phenom processor.

The Zino HD packs quite an affordable punch. Installing Linux was hassle free as all devices were correctly detected and the proper drivers were installed.

You could control this HTPC with a full sized wireless keyboard but this guide wouldn’t be complete without mentioning the Logitech diNovo Mini. This little remote device has the perfect blend of portability, functionality, and ease of use. It is a handheld wireless bluetooth keyboard with an integrated trackpad that’s designed to perform all of the functions necessary to effectively control an HTPC from the comfort of your couch.

The diNovo Mini has full functioning keyboard and trackpad but also comes with media keys to control playback and the backlight which is invaluable at night. One of my other favorite things is that it comes with an integrated USB bluetooth dongle that can plug into any PC that doesn’t natively support bluetooth.

You can usually find this for under $100 USD online.

Install VirtualBox Guest Additions on Fedora 12

Ryan — Sat, 22 May 2010 16:03:56 +0000

Installing the VirtualBox Guest Additions is fairly straightforward process but with Fedora 12 you will run into some problems.

Here is the error message you will see when attempting to install Guest Additions.
# /media/VBOXADDITIONS_3.1.6_59338/VBoxLinuxAdditions-amd64.run

Verifying archive integrity... All good. Uncompressing VirtualBox 3.1.6 Guest Additions for Linux........ VirtualBox Guest Additions installer Removing installed version of VirtualBox Guest Additions... Building the VirtualBox Guest Additions kernel modules [FAILED] (Your system does not seem to be set up to build kernel modules. Look at /var/log/vboxadd-install.log to find out what went wrong) Installing the Window System drivers Installing experimental X.Org Server 1.7 modules [ OK ] Setting up the Window System to use the Guest Additions [ OK ] You may need to restart the hal service and the Window System (or just restart the guest system) to enable the Guest Additions.

To fix this you will need to install the kernel-devel package for your specific kernel. The “uname -r” command will show you the current kernel on your system.

# yum -y install kernel-devel-$(uname -r)

Now you should be able to successfully run the Guest Additions installation script.
# /media/VBOXADDITIONS_3.1.6_59338/VBoxLinuxAdditions-amd64.run

Verifying archive integrity... All good. Uncompressing VirtualBox 3.1.6 Guest Additions for Linux........ VirtualBox Guest Additions installer Removing installed version of VirtualBox Guest Additions... Building the VirtualBox Guest Additions kernel modules Building the main Guest Additions module [ OK ] Building the shared folder support module [ OK ] Building the OpenGL support module [ OK ] Doing non-kernel setup of the Guest Additions [ OK ] Starting the VirtualBox Guest Additions [ OK ] Installing the Window System drivers Installing experimental X.Org Server 1.7 modules [ OK ] Setting up the Window System to use the Guest Additions [ OK ] You may need to restart the hal service and the Window System (or just restart the guest system) to enable the Guest Additions.

Add new fonts to your Ubuntu system

Ryan — Tue, 18 May 2010 06:40:03 +0000

Whether you work with the GIMP to create graphical content, OpenOffice to write documents, or anything in between, chances are that you will need to supplement the basic installed fonts on your Ubuntu system. There are a couple ways to go about this. If you don’t alrady have a font to install you can use Synatcic or apt to search for and install one.

Open System -> Administration -> Synaptic Package Manager and do a search for ttf. This is the TrueType file extension but it can also be used for other types such as FreeType. This should net you a ton of useful fonts results to install.

Alternatively you can use apt.
sudo apt-cache search ttf sudo apt-get install <font package name>

A wide variety of fonts can also be found across the internet from various sources. If you downloaded a specific font, or have a collection of fonts you would like to install, follow these steps.

If you want the font available to only your user.

Make a “.fonts” directory within your home directory.
mkdir ~/.fonts
Copy your font(s) to this directory.
cp font.ttf ~/.fonts

If you want to make the font accessible to all users.

The system fonts are stored in /usr/share/fonts, make a sub-directory within this for your personal fonts.
sudo chmod mkdir /usr/share/fonts/myfonts
Copy all your fonts to this directory.
sudo cp <font-name.ttf> /usr/share/fonts/myfonts
Change the permissions on the files so the system can use them.
sudo chmod -R 755 /usr/share/fonts/myfonts/*
Now update the system cache.
sudo fc-update -fv

Your fonts should now be available to all your programs. If a program was open while you were installing a font you may have to restart it in order to access the new fonts.

Install Boxee on 64-bit Ubuntu 9.10 Karmic

Ryan — Sat, 02 Jan 2010 15:33:12 +0000

Installing Boxee turns your computer into an incredible HTPC. These instructions will help you get it up and running on Ubuntu.

Update:
Boxee has recently made the latest version (9.20) of their software available for Ubuntu 64 and 32-bit. If you are installing this new version simply download the deb package off their website directly and install it.

The instructions below pertain to older Boxee versions < 9.20

Start by downloading the repository off the website. Since the 32-bit repository is the only one available simply adding it to your sources.list will not work.

$ wget http://apt.boxee.tv/dists/jaunty/main/binary-i386/Packages.gz

Find the latest version of Boxee in the repository.

$ zcat Packages.gz | grep Filename

Filename: ./dists/intrepid/main/binary-i386/boxee-0.9.6.4578.intrepid.deb
Filename: ./dists/intrepid/main/binary-i386/boxee-0.9.7.4826.intrepid.deb
Filename: ./dists/intrepid/test/binary-i386/boxee-0.9.11.5777.deb
Filename: ./dists/intrepid/test/binary-i386/boxee-0.9.12.6570.deb
Filename: ./dists/intrepid/test/binary-i386/boxee-0.9.13.6684.deb
Filename: ./dists/intrepid/test/binary-i386/boxee-0.9.14.6795.deb
Filename: ./dists/intrepid/test/binary-i386/boxee-0.9.14.6992.deb

Download the latest version.

$ wget http://apt.boxee.tv/dists/intrepid/test/binary-i386/boxee-0.9.14.6992.deb

Install the package, since your system is 64-bit and you are installing a 32-bit package you will see that your system is missing some required libraries.

$ sudo dpkg -i --force-all boxee-0.9.14.6992.deb

dpkg: warning: overriding problem because --force enabled:
 package architecture (i386) does not match system (amd64)
Selecting previously deselected package boxee.
(Reading database ... 144498 files and directories currently installed.)
Unpacking boxee (from boxee-0.9.14.6992.deb) ...
dpkg: boxee: dependency problems, but configuring anyway as you requested:
 boxee depends on liblzo1; however:
  Package liblzo1 is not installed.
 boxee depends on libfaad-dev; however:
  Package libfaad-dev is not installed.
 boxee depends on libxmlrpc-c3; however:
  Package libxmlrpc-c3 is not installed.
 boxee depends on libdirectfb-1.0-0; however:
  Package libdirectfb-1.0-0 is not installed.
 boxee depends on libkrb53; however:
  Package libkrb53 is not installed.
 boxee depends on xsel; however:
  Package xsel is not installed.
Setting up boxee (0.9.14.6992)

To fix these dependency problems download the getlibs package and install it.

$ wget http://frozenfox.freehostia.com/cappy/getlibs-all.deb
$ sudo dpkg -i getlibs-all.deb

Now resolve those missing libraries.

$ getlibs /opt/boxee/Boxee

libfaac.so.0: libfaac0
libhal-storage.so.1: libhal-storage1
libjasper.so.1: libjasper1
libenca.so.0: libenca0
No match for liblzo.so.1
libmysqlclient.so.15: libmysqlclient15off
libfribidi.so.0: libfribidi0
libGLEW.so.1.5: libglew1.5
The following i386 packages will be installed:
libenca0
libfaac0
libfribidi0
libglew1.5
libhal-storage1
libjasper1
libmysqlclient15off
Continue [Y/n]? y
Downloading ...
Installing libraries ...

Install the lib32nss-mdns library.

$ sudo apt-get install lib32nss-mdns

You also need to manually install the liblzo library which is no longer available in the 9.10 release.

$ wget http://mirrors.kernel.org/ubuntu/pool/universe/l/lzo/liblzo1_1.08-3_i386.deb
$ getlibs -i liblzo1_1.08-3_i386.deb

You should now be able to launch Boxee normally, enjoy!

Install Linux development man pages in Ubuntu

Ryan — Wed, 13 May 2009 14:53:15 +0000

By default Ubuntu doesn’t install the manual pages used for Linux software development which is an invaluable reference for any system developer. These man pages describe the Linux programming interface including Linux system calls as well as system library calls.

To install these man pages simply install the manpages-dev package.

$ sudo apt-get install manpages-dev

You can also install the POSIX specific interfaces by installing the manpages-posix-dev package.

$ sudo apt-get install manpages-posix-dev

RPM Cheat Sheet

Ryan — Thu, 23 Oct 2008 05:07:10 +0000

RPM stands for Red Hat Package Manager. There are a variety of distributions besides Red Hat that use RPM to manage packages including Fedora, Mandriva, SUSE, CentOS, and Yellow Dog Linux among others. RPM uses a database to keep track of what packages have been installed on the system and where they are located. This functionality allows you to easily query, install, upgrade, and remove packages from your system.

RPM packages are distributed in the following format “...rpm”

Check the package information.
$ rpm -qi mypackage.1.2.3.x86_64.rpm

List the files that will be installed.
$ rpm -ql mypackage.1.2.3.x86_64.rpm

Install an RPM package with the ‘-i‘ option.
$ rpm -i mypackage.1.2.3.x86_64.rpm

Upgrade a package that is already installed.
$ rpm -U mypackage.2.0.0.x86_64.rpm

Remove a package. You only need to provide the package name and not the version or rpm suffix.
$ rpm -e mypackage

View all the installed packages on your system.
$ rpm -qa

If you want to see more output you can increase the verbosity by adding the ‘-v‘ option to any of these commands. To raise it even further you can add ‘-vv‘.