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Install nvidia Optimus drivers on Fedora FC20 Acer Notebook - BumbleBee

Sun, Jun 15, 2014 mdda OSS Blog Comments
Install nvidia Optimus drivers on Fedora FC20 Acer Notebook - BumbleBee The Acer i5 laptop comes with two graphics paths : The i5 associated (Intel) chipset, and A ‘discrete’ nVidia GT 750M / 4Gb graphics card (which looks like the more interesting OpenCL device) One issue, though, is that the Intel graphics chip is low-power, and I love the ~7hr battery life. Whereas running the NVidia card (according to people on the internet) reduces the laptop battery life to 1.5hr.

Install Radeon OpenCL drivers on Fedora FC20

Thu, Jun 5, 2014 mdda OSS Blog Comments
Install ATI Radeon OpenCL drivers on Fedora FC20 Basic steps : Install ATI Official Drivers (see other post) Install additional SDK stuff for OpenCL Prove that the install worked Get the OpenCL SDK File name (search on AMD site) : AMD-APP-SDK : http://developer.amd.com/tools-and-sdks/opencl-zone/opencl-tools-sdks/amd-accelerated-parallel-processing-app-sdk/ There is a way to get wget to provide a suitable phoney browser user-agent, but it escapes me for now. It’s a 130Mb file… yum install opencl-headers mkdir AMD-APP-SDK mv AMD-APP-SDK-v2.9-lnx64.tgz AMD-APP-SDK/ cd AMD-APP-SDK/ tar -tzf AMD-APP-SDK-v2.9-lnx64.tgz more ReadMe.txt ./Install-AMD-APP.sh Check whether the icd files are right : more /etc/OpenCL/vendors/amdocl64.icd Checking whether the card is there Fedora has a clinfo package, which is useful : yum install clinfo clinfo Gives : No protocol specified Number of platforms 1 Platform Name AMD Accelerated Parallel Processing Platform Vendor Advanced Micro Devices, Inc.

Building VisualSFM on Fedora FC20

Tue, Jun 3, 2014 mdda OSS Blog Comments
Install the VisualSFM system on Fedora (FC20) The VisualSFM system is the recommended way to use PMVS and CMVS : http://www.di.ens.fr/pmvs/ http://www.di.ens.fr/cmvs/ So, download the Linux 64-bit source code from : http://ccwu.me/vsfm/ The Process for Running VisualSFM : The following have to be run in a coordinated fashion, which is what VisualSFM does : Bundler CMVS PMVS2 Emphasising this, the notes for CMVS state : You should ALWAYS use CMVS after Bundler and before PMVS2 (even when your image set is small), because : PMVS2 will run faster and produce more accurate results with the produced clusters (see the bullet below for the reasoning.) CMVS produces option files (option-0000, option-0001, …) for PMVS2 and a script file (pmvs.sh) containing PMVS2 commands.

Install Official Radeon Catalyst drivers on Fedora FC20

Fri, May 30, 2014 mdda OSS Blog Comments
Install ATI Radeon OpenCL drivers on Fedora FC20 Basic steps : Install ATI Official Drivers Fix the bugs Prove that the install worked Download the official drivers wget http://www2.ati.com/drivers/beta/linux-amd-catalyst-14.6-beta-v1.0-may23.zip unzip linux-amd-catalyst-14.6-beta-v1.0-may23.zip rm linux-amd-catalyst-14.6-beta-v1.0-may23.zip cd fglrx-14.20/ ./check.sh Then, as root, run the amd-driver-installer, and check that fglrx has been blacklisted : yum install kernel-devel kernel-headers gcc ./amd-driver-installer-14.20-x86.x86_64.run lsmod Success? : Next steps will be : joe /etc/modprobe.d/blacklist-fglrx.conf reboot No success? more /usr/share/ati/fglrx-install.log Fixing the bugs… Probably have to fix it up.

Install nvidia drivers on Fedora FC20

Wed, May 28, 2014 mdda OSS Blog Comments
Install nvidia OpenCL drivers on Fedora FC20 Basic steps : Install nvidia Proprietary Drivers (mainly CUDA-oriented instructions) Install additional SDK stuff for OpenCL Prove that the install worked Download and install the nVidia driver For the official links, see : https://developer.nvidia.com/opencl http://www.nvidia.com/Download/index.aspx?lang=en-us The 64-bit linux driver takes me to : http://www.nvidia.com/download/driverResults.aspx/75019/en-us So that I can download : NVIDIA-Linux-x86_64-331.67.run NB : This has to be downloaded via a browser, so, since the target machine is (essentially) headless, I have to download to a regular machine and then rsync it over.

ARM Toolchain for STM32-F3 Discovery on Fedora

Thu, Mar 21, 2013 mdda OSS Blog Comments
ARM Toolchain for STM32-F3 Discovery on Fedora Basic steps : Install stlink, so that linux recognizes the STM32 card over USB Install OpenOCD, which provides a ‘virtual JTAG’ debugging environment Redherring : CodeSourcery Install ARM gnu tools ‘gcc-arm-embedded’ Download the STM32-F3 supplier code (includes the demo .hex file, for instance) Get the STM32-F3-Discovery template Make the template’s simple blinking LED demo work Reflash the initial demo using stlink Off to do our own projects… Install stlink Have a look at the stlink github site.

Service restart script

Fri, Oct 26, 2012 mdda OSS Blog Comments
Service restart script For when just restarting everything is more expedient than figuring out what’s really going on (i.e. don’t do this) : # more services.web.restart ## This is an alternative to : # run_count=`ps eax | grep ${process} | grep -v grep | wc -l` if [ ! "$(pidof mysqld)" ]; then service mysqld restart fi if [ ! "$(pidof php-cgi)" ]; then service php-cgi restart fi if [ !

Building ceres-solver on Fedora 17

Thu, Oct 11, 2012 mdda OSS Blog Comments
Building ceres-solver on Fedora 17 Simple first step : yum install gflags-devel The Fedora rpm package for ‘glog’ is older than required (i.e. it is <3.1), so it has to be built manually. So, as a precursor to the main build, one requires : wget http://google-glog.googlecode.com/files/glog-0.3.2.tar.gz tar -xzf glog-0.3.2.tar.gz cd glog-0.3.2 ./configure --with-gflags=/usr/ make sudo make install # This puts it in /usr/local/ by default Now pull in all the other required packages : yum install eigen3-devel suitesparse-devel blas-devel lapack-devel protobuf-devel and then follow the instructions in the PDF (or the steps below…) : git clone https://ceres-solver.googlesource.com/ceres-solver cd ceres-solver mkdir release cd release cmake -DGLOG_LIB=/usr/local/lib/libglog.so ..

Building OpenCV on Fedora 17

Tue, Oct 9, 2012 mdda OSS Blog Comments
Building OpenCV on Fedora 17 Installation of required packages by root (first line is essential for everything, others depend on whether you want the video and GUI interfaces respectively): yum install cmake gcc-c++ yum install ffmpeg ffmpeg-devel yum install gtk2-devel Download the latest code : git clone git://code.opencv.org/opencv.git Build the code in an out-of-source directory (chosen to be ‘release’ here) : cd opencv mkdir release cd release cmake -D CMAKE_BUILD_TYPE=RELEASE ..

G2X connecting in developer mode

Sat, Jan 7, 2012 mdda OSS Blog Comments
G2X connecting in developer mode On Fedora, I was having issues getting my T-Mobile G2X to connect in developer mode. For sure, I was setting Settings-Applications-USBdebugging to Checked. And when plugging in the device, the SD card (and/or) internal memory space was showing up on the desktop (and the output in /var/log/messages looked equivalent to that from my working G1) - but no joy with : adb devices. The Fix : Eventually, after trying everything I could think of, to no avail, I finally toggled Settings-Applications-USBdebugging off-and-on while the phone is connected via USB.

MythBackend service not starting

Fri, Nov 25, 2011 mdda OSS Blog Comments
MythBackend service not starting /var/log/messages complains : Nov 24 23:52:54 myth systemd[1]: mythbackend.service: control process exited, code=exited status=235 Nov 24 23:52:54 myth systemd[1]: Unit mythbackend.service entered failed state. Simple solution (not tested whether this survives reboot) : # touch /var/run/mythbackend.pid; chown mythtv:mythtv /var/run/mythbackend.pid # systemctl start mythbackend.service # grep mythbackend

PulseAudio default Sink (output)

Fri, Nov 25, 2011 mdda OSS Blog Comments
PulseAudio default Sink (output) MythTV suddenly stopped audio (yet again : Every upgrade the reason is different). This time, it appears that the order the audio cards are detected has changed, so the default output has changed… The following is relevant to the process (haven’t tested this through a reboot, yet) : $ pacmd help $ pacmd info | grep -i default $ pacmd list-sinks $ pacmd info | grep

nginx configuration for uwsgi for Flask

Fri, Nov 18, 2011 mdda OSS Blog Comments
nginx configuration for uwsgi for Flask /etc/nginx/conf.d/site.conf : server { server_name example.com www.example.com; root home/example/flask/static; location ~ ^/(img|js|css)/ { # |pi||ext|theme root /home/example/flask/static; add_header Cache-Control public; #expires 30d; #access_log off; } location / { try_files $uri @yourapplication; } location @yourapplication { include uwsgi_params; uwsgi_pass unix:/tmp/uwsgi_example.sock; } } This must be married with a uwsgi service started by a script in /etc/init.d/ : #!/bin/bash # uwsgi - Use uwsgi to run python and wsgi web apps.

Building uwsgi from src.rpm without Python 3

Wed, Nov 16, 2011 mdda OSS Blog Comments
Building uwsgi from src.rpm without Python 3 To build uwsgi on Fedora 12 (which has no easy-to-find python3 rpm), run through the rpmbuild process (shown in a previous post in more detail for nginx) and make the following changes : wget http://kad.fedorapeople.org/packages/uwsgi/uwsgi-0.9.9.2-2.fc15.src.rpm rpm -ivh uwsgi-0.9.9.2-2.fc15.src.rpm rpmbuild -bb ~/rpmbuild/SPECS/uwsgi.spec yum install python-devel libuuid-devel jansson-devel libyaml-devel ruby-devel python3-devel python-greenlet-devel lua-devel ruby # NB: python3-devel doesn't exist... # Need to fix up the fedora configuration file : joe ~/rpmbuild/SOURCES/fedora.ini # Take out the reference to python32 [uwsgi] inherit = default embedded_plugins = echo, ping, http #plugins = rack, psgi, python, nagios, fastrouter, admin, python32, ruby19, cache, cgi, rpc, ugreen, greenlet, lua plugins = rack, psgi, python, nagios, fastrouter, admin, ruby19, cache, cgi, rpc, ugreen, greenlet, lua # Similarly, edit the spec file (), to take out the installation of the python3 files : joe ~/rpmbuild/SPECS/uwsgi.spec # Take out the reference to python32 # %files -n %{name}-plugin-python3 # %{_libdir}/%{name}/python32_plugin.so # Then, building should work...

Updating nginx (with uwsgi) for Fedora 12 from src.rpm

Mon, Nov 14, 2011 mdda OSS Blog Comments
Updating nginx (with uwsgi) for Fedora 12 from src.rpm In order to get access to uwsgi (useful for deploying python flask projects, for instance), one needs a version of nginx > 0.8 or so. But Fedora 12 doesn’t have such a modern version : Here’s how to build it from a src.rpm from a more recent Fedora release. # First, make sure we have the rpm-build tools : yum install rpm-build # Download a suitable src.rpm (look at the dependencies : # nginx doesn't really care about which version of fedora it's for wget ftp://ftp.muug.mb.ca/mirror/fedora/linux/development/rawhide/source/SRPMS/nginx-1.0.5-1.fc16.src.rpm # This installs the source into ~/rpmbuild/BUILD/nginx-1.0.5/ rpm -ivh nginx-1.0.5-1.fc16.src.rpm # Now, do a test build to see what we're missing rpmbuild -bb ~/rpmbuild/SPECS/nginx.spec # This complains about missing dependencies : Do a copy-paste as necessary yum install pcre-devel zlib-devel openssl-devel 'perl(ExtUtils::Embed)' libxslt-devel GeoIP-devel gd-devel # Rebuild again (installing more packages if this fails) rpmbuild -bb ~/rpmbuild/SPECS/nginx.spec # Now install nginx from the brand new rpm just created: rpm -Uvh ~/rpmbuild/RPMS/i386/nginx-1.0.5-1.fc12.i386.rpm # Attempt a restart : /etc/init.d/nginx restart # ...

Compiling nginx (with uwsgi) for Fedora 12

Tue, Oct 18, 2011 mdda OSS Blog Comments
Compiling nginx (with uwsgi) for Fedora 12 In order to get access to uwsgi (useful for deploying python flask projects, for instance), one needs a version of nginx > 0.8 or so. But Fedora 12 doesn’t have such a modern version : Here’s how to compile it from source : Actually, a less hacky approach is to simply back-port (trivially) a src.rpm from Fedora 16 : That’s in a newer

MythTV / lircd updates on Fedora : Hauppauge

Sat, Jul 16, 2011 mdda OSS Blog Comments
MythTV / lircd updates on Fedora : Hauppauge I’ve been maintaining a PVR350 on an old Dell 2.4GHz since forever. Latest updates (to MythTV 24.1, and licrd 0.9.0.7) have made big changes. But it’s all working again, including a serial IR blaster. The following is just for my easy reference, and anyone else who now finds their Grey Hauppauge remote control is emitting new key-presses (or worse, no longer talking to the system).

Ughh : OpenVZ and packet sniffing...

Sat, May 28, 2011 mdda OSS Blog Comments
Ughh : OpenVZ and packet sniffing… Before you attempt to experiment with knockd and/or fwknop, Google around a little for venet0 and packet sniffing. The virtualization of the interfaces by OpenVZ apparently mangles the IP headers for packet sniffers (like fwknop uses to listen to DROP’d packets). And they then fail to trigger the next step of cleverness (opening the SSH/22 port, for example). i.e. : fwknop will not work

Update Ruby on Fedora 12

Tue, May 3, 2011 mdda OSS Blog Comments
Update Ruby on Fedora 12 Fedora 12 maxes out it’s Ruby version at 1.8.6. Unfortunately, compass / sass requires 1.8.7. The following steps creates a suitable RPM, and installs it : # cd ~ # wget http://mo.morsi.org/blog/files/ruby-1.8.7.249-1.fc11.src_.rpm # yum install rpm-build # yum install ncurses-devel gdbm-devel tcl-devel tk-devel libX11-devel autoconf db4-devel byacc bison emacs compat-readline5-devel # rpmbuild --rebuild ruby-1.8.7.249-1.fc11.src_.rpm # cd /root/rpmbuild/RPMS/i386/ # rpm -Uvh * $ export RUBYLIB="/usr/lib/ruby/site_ruby/1.8/:/usr/lib/ruby/1.8/" $

Laptop Data Security

Fri, Nov 5, 2010 mdda OSS Blog Comments
Laptop Data Security This should be a no-brainer for anyone carrying anything important around on a laptop. IMHO, relying on a user password (like a login password) is not a great idea, since anyone with physical access to the disk can get to your data easily. OTOH, using disk encryption seems like overkill - since if you want to hand your laptop to someone for a little web browsing, you shouldn’t have to reveal all the ‘secrets’ to do so.

Scite filter changes for SCSS files

Wed, Sep 15, 2010 mdda OSS Blog Comments
Scite filter changes for SCSS files Just a quickie… To make SciTE work with scss files (which are enhanced css files), just add the following information: In /usr/share/scite/SciTEGlobal.properties (on a Fedora machine at least, YMMV) : ;*.scss to the end of source.files= and in /usr/share/scite/css.properties the top of the file should read : filter.css=CSS (css scss)|*.css;*.scss| lexer.*.css=css lexer.*.scss=css

sass-convert on Fedora

Wed, Sep 15, 2010 mdda OSS Blog Comments
sass-convert on Fedora sass (and its successor scss) is a really nice CSS meta-language, enabling nicer hierarchies of classes to be built (much more maintainable). The transformation software is written in ruby, and provided by the ruby gem haml. The first step when using SCSS file, is usually to recast existing CSS files into semantically equivalent SCSS files (when you’re using someone elses template, for instance). For this ‘magic’ there is a tool provided by the ‘haml’ gem called ‘sass-convert’.

Building Titanium SDK on Fedora

Tue, May 25, 2010 mdda OSS Blog Comments
Building Titanium SDK on Fedora These direct steps (using the openjdk, not the Sun one) are confirmed to work… Below, the following are our (typical) values : MY_ANDROID_SDK : /path-to-android-sdk-installation-root/android-sdk-linux_86 MY_TITANIUM_DEVELOPER_DIR : /path-to-titanium-developer-installation-root/Titanium Developer-1.2.1 MY_TITANIUM_FILES_DIR : /path-to-my-home-directory/.titanium MY_TITANIUM_SDK : /any-suitable-directory/ Note that MY_TITANIUM_FILES_DIR is the default created/used by the Titanium Developer program, which one runs from MY_TITANIUM_DEVELOPER_DIR using ./Titanium Developer Check that the build tools are installed On Fedora (and this assumes that the openjdk is being used, rather than the Sun JDK) : yum -y install scons java-1.6.0-openjdk-devel alternatives --config javac # Check that this is set to the openjdk path : /usr/lib/jvm/java-1.6.0-openjdk.x86_64/bin/javac Ensure correct android modules loaded Since we’re coding for Android 1.6, we need the ‘level 4’ APIs.

Android SDK on 64-bit fedora (openjdk)

Thu, May 20, 2010 mdda OSS Blog Comments
Android SDK on 64-bit fedora (openjdk) Requirement : Get the 32-bit Android SDK to work on a 64-bit Fedora machine (Fedora 11 tested below), using the standard openjdk rather than Sun Java. No eclipse required, since development will be done using Titanium. 32-bit libraries are required. To clear out existing libraries (only if you know you haven’t got anything else dependent on 32-bitness) : yum remove *.i586 The following (plus the dependencies it pulls in) seems to be the minimum set required : yum install \ libX11.i586 mesa-libGL.i586 SDL.i586 \ ncurses-libs.i586 libstdc++.i586 \ esound-libs.i586 zlib.i686 After doing that, confirm that the emulator (./tools/emulator) works.

udev rule for Android G1 phone

Thu, May 20, 2010 mdda OSS Blog Comments
udev rule for Android G1 phone Create /etc/udev/rules.d/91-android.rules with the contents : SUBSYSTEM=="usb", ATTRS{idVendor}=="0bb4", SYMLINK+="android_adb", MODE="0666", OWNER="rmbsanal" Then /etc/init.d/udev-post reload and re-plug in your Android phone. That’s it.

Running TaxAct 2009 with Wine on Fedora

Fri, Apr 16, 2010 mdda OSS Blog Comments
Running TaxAct 2009 with Wine on Fedora Having to dual-boot into WinXP or Vista to run a tax program once a year is really bothersome. So, this year (the night before taxes were due), I set on the path of submitting my taxes without leaving Fedora. I’d used TaxAct before (business and personal), so it was natural to want to see whether it would work in wine. Install wine from scratch yum install wine cabextract <./code>` Install winetricks to streamline the process : cd ~/.wine wget http://www.kegel.com/wine/winetricks chmod 755 winetricks Fix winetricks so that the i686 vs.

Running rsync from a webserver (using sudo)

Wed, Oct 21, 2009 mdda OSS Blog Comments
Running rsync from a webserver (using sudo) Situation I want to have ‘rsync’ run when a user presses a button on the webserver. The software stack is as follows (though this was largely a red-herring, see below) : Fedora - server lighttpd - webserver Twiki - intranet setup perl - plugin language for Twiki bash - perl launches a script to run the rsync sudo - to ‘change user’ to the one with the correct permissions for the source folder rsync - the actual backup utility ssh - file transfer mechanism, and auto-login (via its private key) to the remote server Solution It turns out that it wasn’t perl ‘Taint’ that was stopping the rsync from running… Nor lighttpd, nor the ‘user’ for the ‘ssh’ embedded in the rsync command… To cut a long story short, the final solution revolved around understanding the additional ‘requiretty’ constraints that Fedora (and maybe other distributions) has for sudo.

Setting up git server on a 'central repository' - gitosis

Sun, Oct 11, 2009 mdda OSS Blog Comments
Setting up git server on a ‘central repository’ - gitosis NB : There’s even more information in the following excellent guide : http://scie.nti.st/2007/11/14/hosting-git-repositories-the-easy-and-secure-way But there are some differences for Fedora that are worth spelling out. Central Repository setup First install gitosis : central# yum install gitosis Then create a dumb git user - noone will be logging in as this user: it’s just so that everything can be centralized : central# /usr/sbin/adduser --system --shell /bin/bash --user-group --home-dir /home/git --create-home git Now create (if necessary) a local SSH key pair, and upload the public key to the ‘git’ user, so that it trusts you : central# su git # Just to test it worked central$ cd ~; pwd; ls -l; exit central# Now create (if necessary) a local SSH key pair, and upload the public key to the ‘git’ user, so that it trusts you : local$ # (look in .ssh for an 'id_dsa.pub' - if it doesn't exist then : local$ ssh-keygen -t rsa local$ # Copy this file to your server (the one running gitosis) local$ cat .ssh/id_dsa.pub # Then copy the response ...

Funambol with MySQL on Fedora 10

Thu, Sep 17, 2009 mdda OSS Blog Comments
Funambol with MySQL on Fedora 10 Much of this is adapted from the text of http://schattenschreiber.org/diary/2009/05/20/installing-the-funambol-bundled-server-under-ubuntu-server-amd64-mysql-lighttpd/ Installing funambol isn’t as easy as it might be - mostly because it ships with it’s own java/jre version, which I figure is needless duplication. Here’s a little step-by-step guide for getting it installed nicely on Fedora. You will need some command line literacy though : Download funambol-8.0.0.bin on your server - this machine can be set up entirely remotely (without a screen).

Magento install on OpenVZ

Sun, Jul 12, 2009 mdda OSS Blog Comments
Magento install on OpenVZ This one is a little embarrassing. Just trying to install Magento on a new (fresh) container. Running across the following style of error (when executing ./pear install magento-core/Mage_All_Latest-stable) : Starting to download Lib_ZF_Locale-1.7.2.2.tgz (1,279,370 bytes) ...done: 1,279,370 bytes install ok: channel://connect.magentocommerce.com/core/Lib_ZF_Locale-1.7.2.2 Notice: Undefined variable: php_errormsg in Installer.php on line 566 PHP Notice: Undefined variable: php_errormsg in /home/complex/www/magento/downloader/pearlib/php/PEAR/Installer.php on line 566 ERROR: failed to write ./lib/Zend/Pdf/Element/.tmpObject.php: install ok: channel://connect.magentocommerce.com/core/Lib_Varien-1.3.2.2 ERROR: unable to unpack ./downloader/pearlib/download/Mage_Core_Modules-1.3.2.2.tgz ERROR: unable to unpack ./downloader/pearlib/download/Mage_Core_Adminhtml-1.3.2.2.tgz Solution Turns out that the default Quota for the OpenVZ container I had was extremely small.

roundcube and twiki integration

Fri, Jun 12, 2009 mdda OSS Blog Comments
roundcube and twiki integration Roundcube is a beautiful IMAP webmail client. In order to integrate is properly with an enterprise TWiki installation, ‘single authentication’ needed to be implemented - so that the sign-on for TWiki (which is htpasswd style authenticated by lighttpd) can be used for the roundcube authentication seamlessly. Since the TWiki login/passwords are different from the IMAP login/password pairs, an additional column had to be added to the

lmms with Fedora - compile source

Sun, Mar 29, 2009 mdda OSS Blog Comments
lmms with Fedora - compile source lmms has some dependencies that are not so easy to determine for Fedora Basic setup : yum install cmake git yum install qt qt-devel Synth extras : yum install libsndfile libsndfile-devel yum install fluidsynth fluidsynth-devel yum install stk stk-devel yum install fftw-devel Importantly for wine VST(i) : yum install wine wine-devel yum install glibc-devel.i386 Hope this helps

Paetec to Asterisk to Nortel

Mon, Mar 2, 2009 mdda OSS Blog Comments
Paetec to Asterisk to Nortel My company has a Nortel PBX, with a full panel of extensions. However, we need to add more handsets. In addition, our traders have asked for ‘Turrets’ (more of this in a later post). The obvious route is to go VoIP - with the precondition that the Nortel PBX should be unaffected (and repluggable if things don’t go according to plan). Solution : Add an Asterisk PBX in between our telecoms provider (Paetec) and the Nortel PBX, which is currently delivered by some sort of T1.

Asterisk Sounds on Fedora

Sun, Mar 1, 2009 mdda OSS Blog Comments
Asterisk Sounds on Fedora While all the packages I’ve seen try to put the sounds for Asterisk in /var/lib/asterisk/sounds, Fedora 10 (which includes asterisk-1.6.0.5-2) has a directory (empty) at /usr/share/asterisk. To fix the problem : cd /usr/share/asterisk rmdir sounds ln -s /var/lib/asterisk/sounds .

Secure Development Laptop

Wed, Dec 31, 2008 mdda OSS Blog Comments
Secure Development Laptop So that I could continue developing the ‘Trading Account Management’ system while on the road, the installation of lighttpd/database had to be secured. In particular, sqlite had to be used rather than mysql, since the data in the database itself was critical to the business (and there was no time to conjure up ‘fake data’). Using encfs to secure the ~/Fieldstone directory (as in the last post), I just want to point out how to make the Fieldstone directory accessible by the lighttpd server (without changing the user running lighttpd).

encfs password popup

Wed, Dec 31, 2008 mdda OSS Blog Comments
encfs password popup Quick script for a laptop - to protect data (somehow this has never occurred to anyone the UK government employs…) : #!/bin/bash DIALOGTEXT="Enter the Fieldstone EncFS Password" encfs \ -o allow_other \ --extpass="zenity --title 'EncFS Password' --entry --hide-text --text '$DIALOGTEXT'" \ ~/.Fieldstone.encfs/ ~/Fieldstone/ This can be paired with an un-mounter : #!/bin/bash fusermount -u Fieldstone

phpMyAdmin, lighttpd and Fedora 9

Sun, Nov 9, 2008 mdda OSS Blog Comments
phpMyAdmin, lighttpd and Fedora 9 yum install mysql-server lighttpd php php-mysql phpMyAdmin This puts the phpMyAdmin install in /usr/share/phpMyAdmin. Add a new configuration file called /etc/lighttpd/lighttpd-phpMyAdmin.conf : # server.bind = "phpmyadmin.example.com" # If there isn't a server.bind already # Ensure the modules we need are loaded in server.modules += ( "mod_cgi" ) # server.modules += ( "mod_alias", "mod_cgi" ) $HTTP["host"] == "phpmyadmin.example.com" { var.root = "/usr/share/phpMyAdmin" server.document-root = var.root + "/" # This is regular (slow) straight CGI $HTTP["url"] =~ "^/" { # alias.url += ( "/" => server.document-root ) cgi.assign = ( ".php" => "/usr/bin/php-cgi" ) } } and include it into the standard /etc/lighttpd/lighttpd.conf by appended : include "lighttpd-phpMyAdmin.conf" Finally, since the phpMyAdmin install expects Apache to be used as the web server, all of the session folders are permissioned for Apache.

Gateway GM6543E Linux Installation

Sat, Oct 4, 2008 mdda OSS Blog Comments
Gateway GM6543E Linux Installation Initial Boot Problems Booting kernel on stock Fedora 9 x64 DVD requires the kernel option : ‘intel_iommu=off’ to be appended to the kernel boot line. Updated kernels (after, say, 2.2.26), no longer need this extra parameter. USB Keyboard Unless ‘Legacy USB’ is set in the BIOS (which it is by default), the USB keyboard can’t be used to change GRUB selections. Hibernate Seems to work. Suspend Arrrrgh!

Sharing a Partition between Vista and Linux

Sat, Oct 4, 2008 mdda OSS Blog Comments
Sharing a Partition between Vista and Linux For a dual-boot machine (where the main desktop would be Linux), a common ‘data’ partition makes sense (rather than allowing root access by Linux to the Vista install, or visa-versa). Shared Partition Since the Vista driver requires it, you need to format the shared ‘ext3’ partition with : /sbin/mkfs.ext3 -I 128 /dev/sd_A_ Partitioning Problems The Vista driver seems to overwrite the UID of the partition.

Fedora 9 and encfs Encryption

Tue, Aug 5, 2008 mdda OSS Blog Comments
Fedora 9 and encfs Encryption To get this installed with ‘useraccount’ having the rights to use the fuse system, as root do : # yum install encfs # /usr/sbin/groupadd -r fuse # /usr/sbin/usermod -a -G fuse useraccount # Restart X11 - to get the groups right Now, as your regular user account (‘useraccount’ from above) : $ encfs ~/.Fieldstone-Secure.encfs ~/Fieldstone-Secure # If file doesn't exist initially, this prompts for directory # creation, encryption settings and password # (hit enter for defaults, and chose a pw) Regular use Mount the encrypted files as a virtual directory system on the mount point : $ encfs ~/.Fieldstone-Secure.encfs ~/Fieldstone-Secure # just prompts for pw # ...

Intel i810 on Dell 4800 - FC9

Sun, Jul 20, 2008 mdda OSS Blog Comments
Intel i810 on Dell 4800 - FC9 The intel driver seems to have gone a few optimizations too far - so that it hangs the machine in its default state. Here’s what works for me (start with Option "NoAccel" "true", and work your way up as far as possible without crashing): # From /etc/X11/xorg.conf Section "Device" Identifier "Videocard0" Driver "intel" # Option "NoAccel" "true" Option "FramebufferCompression" "true" Option "Tiling" "true" Option "DRI" "true" Option "Legacy3D" "true" Option "XVideo" "false" Option "AperTexSize" "8" Option "AccelMethod" "XAA" #Option "AccelMethod" "EXA" Option "ModeDebug" "true" BusID "PCI:0:2:0" EndSection All of these options (with terse descriptions) can be found on the man intel pages.

lirc_serial stopped working...

Sun, Jul 20, 2008 mdda OSS Blog Comments
lirc_serial stopped working… After upgrading to FC9, the previously working serial port channel-changer (bought from IRblaster.info) stopped working. None of the configuration had changed. In addition to the serial port transmitter, there’s a receiver on the PVR350 card - handled by lirc_i2c After much searching, an additional option came to light : softcarrier=1. Here are the relevant parts of a confirmed working setup : From /etc/modprobe.conf : # This is

MythWeb with lighttpd for Fedora

Wed, Apr 23, 2008 mdda OSS Blog Comments
MythWeb with lighttpd for Fedora Add a lighttpd configuration file in /etc/lighttpd/conf.d/lighttpd-myth.conf (where my machine hostname is ‘americas’ on the local network) : #! /bin/bash # Just for SciTE language hint $HTTP["host"] == "myth.americas" { var.root="/var/www/html/mythweb" server.document-root = var.root url.rewrite = ( "^(/tv.*|/music.*|/video.*|/weather.*|/settings.*|/status.*|/backend_log.* )$" => "/mythweb.php/$1", "^/$"=>"/mythweb.php" ) fastcgi.server = ( ".php" => ( "myth.americas" => ( "socket" => "/tmp/php-fastcgi.socket", "bin-path" => "/usr/bin/php-cgi", "broken-scriptfilename" => "enable", "bin-environment" => ( "db_server" => "localhost", "db_name" => "mythconverg", "db_login" => "mythtv", "db_password" => "mythtv" ) ) )) } Fix up the permissions lighttpd user (so that the default expectation of being apache are met (if MythWeb claims “Cannot write to data directory” ) : # NOT THE BEST WAY : chown apache:lighttpd /var/www/html/mythweb/data/ # MUCH BETTER /usr/sbin/usermod -G -a apache lighttpd And start the lighttpd with : /etc/init.d/lighttpd restart or webmin.

Adding a Disclaimer to TWiki Print format

Mon, Apr 14, 2008 mdda OSS Blog Comments
Adding a Disclaimer to TWiki Print format This is pretty hackish - but it seems to work Ok. Putting your Disclaimers on the Bottom Edit the variable WEBCOPYRIGHT on the page TWiki.TWikiPreferences. For instance, make the line read like this : * Set WEBCOPYRIGHT = %MAKETEXT{"Copyright &(C)[_1] by PLATFORMedia LLC. " args="1999-%GMTIME{$year}%"}% This has been prepared solely for informational purposes. It is not an offer, recommendation or solicitation to buy or sell, nor is it an official confirmation of terms.

MythTV sharing ALSA with other Desktop

Thu, Mar 6, 2008 mdda OSS Blog Comments
MythTV sharing ALSA with other Desktop See : http://alsa.opensrc.org/index.php/AlsaSharing Make udev assign the right permissions to the sound devices, but putting the following in /etc/udev/rules.d/90-alsa-extra.rules : # Fix up sound devices for all users NAME=="snd/*", MODE="0666" In /etc/asound.conf, something along these lines : pcm.card0 { type hw card 0 # mmap_emulation true } pcm.dmixer { type dmix ipc_key 36739 ipc_key_add_uid false ipc_perm 0666 slave { # pcm "hw:0,0" pcm "card0" period_time 0 period_size 1024 buffer_size 8192 #periods 128 #rate 44100 rate 48000 } bindings { 0 0 1 1 } } ctl.mixer0 { type hw card 0 } pcm.dsnoop0 { type dsnoop ipc_key 36741 slave { pcm "card0" } } pcm.asym0 { type asym playback.pcm "dmixer" capture.pcm "dsnoop0" } pcm.pasym0 { type plug slave.pcm "asym0" } # 'dsp0' is espected by OSS emulation etc.

MythTV on Fedora 7, PVR-350 & Dual Screen : DONE

Tue, Nov 6, 2007 mdda OSS Blog Comments
MythTV on Fedora 7, PVR-350 & Dual Screen : DONE Email me for the gory details (for FC7) - but see a more up-to-date post for the same thing (much cleaner) in Fedora 9.

LIRC for Generic Cable Box

Fri, Nov 2, 2007 mdda OSS Blog Comments
LIRC for Generic Cable Box Simple schematic for building serial interface : http://fly.cc.fer.hr/~mozgic/UIR/ http://www.lirc.org/receivers.html On 9-pin Serial plug : Ground : Pin 5 Data : Pin 1 (actually DCD) Existing Hauppauge interface : http://www.irblaster.info/hauppauge_ir.html 2.5mm Connector TSOP 2238 IR Receiver Tip VCC Ring Signal Shield Ground VSOP (or Everlight) IRM2238 http://www.datasheetarchive.com/preview/1808114.html VCC=5V, 38KHz USB Pinout : http://pinouts.ru/SerialPortsCables/usb_cable_pinout.shtml Pin 1 : VCC (+5V) Pin 2 : Data- Pin 3 : Data+ Pin 4 : Ground Even simpler circuit for IR receiver used the +5V power from USB bus.

Verizon USB720 on Fedora

Thu, Aug 30, 2007 mdda OSS Blog Comments
Verizon USB720 on Fedora The device was initially registered with Verizon using the VZaccess application on Windows. This may be a step that requires their annoy-ware. After that initial stage, the device contains an embedded phone number, that is required to do proper logging-in for National Access / Broadband Access. Plugging this into a spare USB port on my Fedora Linux laptop (and looking in /var/log/messages) showed that Fedora 7 recognizes the device ‘out of the box’, without any special modifications.

ivtv on Fedora with 2.6.22 kernel

Tue, Aug 21, 2007 mdda OSS Blog Comments
ivtv on Fedora with 2.6.22 kernel Upgrade to 2.6.22 seems to break everything in the ivtv suite. It all disappeared from the rpms, so we need to install from source. * ivtv * ivtv-fb * ivtv-xdriver * ivtvfbctl (now gone) In particular, some web posts indicate that support for the PVR-350 has been eliminated somehow. This doesn’t seem to be completely true - but maybe there’s a problem with the hardware decoding from MythTV.

MythTV on Fedora 7, PVR-350 & Dual Screen

Wed, Aug 1, 2007 mdda OSS Blog Comments
MythTV on Fedora 7, PVR-350 & Dual Screen Aim : Enable a lightly used Linux machine to additionally host a MythTV video card. Major Issues : Upgrade to 2.6.22 breaks everything : ivtv ivtv-fb ivtv-xdriver ivtvfb-ctl (now gone) Want to have two independent displays (two simultaneous X servers running) Complex /etc/X11/xorg.conf Need to use evdev to have dual keyboards Toy with /etc/gdm/custom.conf (not necessary, hardly working) Added a Belkin wireless keyboard (from woot.com) Set up special keys for MythTV Control cable box via IR transmitter Each of these will be addressed in separate postings.

Air-H Edge Card H407P Setup

Sat, Jul 21, 2007 mdda OSS Blog Comments
Air-H Edge Card H407P Setup Situation Trusting to the power of Linux on my laptop, I blindly ordered an AirH Edge connectivity card from JCR (Air-H (Edge) Data Card for Laptops - No Airtime or Data Charges). Prior to leaving the US, I downloaded a few things, anticipating that I’d be ‘flying blind’ since I wouldn’t be able to connect until it actually worked. I was able to get it working eventually, but the following shows the results of a process that wasn’t plain sailing at all.

TrueCrypt 4.3 on Fedora 7 : Build from Zero

Sun, Jul 1, 2007 mdda OSS Blog Comments
TrueCrypt 4.3 on Fedora 7 : Build from Zero NB: Ripped (and modified) from : http://tredosoft.com/comment/reply/37 How to install TrueCrypt 4.3a on Fedora 7 We are going to compile TrueCrypt from source so first grab TrueCrypt’s source code. When it’s downloaded, extract the source code and navigate to the Linux folder : tar xfz truecrypt-4.3a-source-code.tar.gz cd truecrypt-4.3a-source-code cd Linux Truecrypt needs to compile a kernel module during the build process. Unfortunately the kernel headers included with Fedora 7 (in the kernel-devel package) are missing the dm.h header file which is needed for compiling the kernel module.

NFS shares (Samba alternative)

Wed, Jun 27, 2007 mdda OSS Blog Comments
NFS shares (Samba alternative) Situation Basics yum install portmap nfslock nfs Setup of the Server Machine Create a mount point for the directory to be mounted somewhere convenient : mkdir /s_drive and into /etc/fstab : /mnt/seagate250/server /s_drive none bind 0 0 Mount everything (ready for exporting) using : mount -a Check everything is where it’s meant to be with : mount Add the network export to /etc/exports : more /etc/exports /s_drive 192.168.1.0/255.255.255.0(ro) /etc/hosts.allow file for NFS: portmap: (hosts) lockd: (hosts) mountd: (hosts) rquotad: (hosts) statd: (hosts) where (hosts) is like 192.168.1.0/255.255.255.0 /etc/hosts.deny file for NFS: portmap: ALL lockd: ALL mountd: ALL rquotad: ALL statd: ALL Start the daemons : nfsd, lockd, statd, mountd, and rquotad /etc/init.d/nfs restart Pick up any changes to /etc/exports : /usr/sbin/exportfs -rv /usr/sbin/showmount -e Helpful : http://fconfig.wordpress.com/2006/08/17/setting-up-a-fedora-nfs-server/ Best : http://craiccomputing.blogspot.com/2007/06/setting-up-nfs-mounts-in-linux-fedora-6.html Includes WinXP Home Hack : http://gentoo-wiki.com/HOWTO_Access_NFS_via_SFU Note: Windows XP Home Users: If you use Windows XP Home you’ll have to do a little hex editing to make everything work right for you.

Fedora Core 7 Upgrade Problems

Sun, Jun 17, 2007 mdda OSS Blog Comments
Fedora Core 7 Upgrade Problems Upgrading FC6 -> F7 is not painless at all (whereas FC5 -> FC6 was a breeze). The things that needed sorting out were : Samba shares no longer work - not sure why. Quickest to rebuild /etc/samba/smb.conf rather than sort it out properly. xorg.conf file fails (causing even greeter login to fail). Probably due to wacom driver not being fully updated in the distribution libata complains about CDROM drive - stalling booting process.

Samba on Fedora Core 7

Sun, Jun 17, 2007 mdda OSS Blog Comments
Samba on Fedora Core 7 Somehow, configuration files on FC6 no longer work on F7. Seems best to scrap it all and use the system-config-samba tool to build it all again. This sucks.

phpMyAdmin Fedora layout fix

Wed, Jun 13, 2007 mdda OSS Blog Comments
phpMyAdmin Fedora layout fix Because Fedora expects Apache to be running as root:apache, the default session information directory for php has the wrong permissions if it’s running as (say) someone:nobody. This disturbs the layout of the phpMyAdmin. The fix : # chown :nobody /var/lib/php/session/

Fedora 7 Upgrade for Dell Dimension 2400

Sun, Jun 10, 2007 mdda OSS Blog Comments
Fedora 7 Upgrade for Dell Dimension 2400 Situation This machine previously had FC6 (upgraded FC1 -> FC2 -> FC3 -> FC4 -> FC5 -> FC6). However, the machine can’t boot from USB. Solution suggested elsewhere : Download ISO (F-7-i386-DVD.iso) via bittorrent Copy ISO into /root/Fedora7/ mount the ISO via loopback : cp the isolinux/vmlinuz and isolinux/initrd.img file from the iso to the /boot partition update the grub.conf so that vmlinuz is seen on a reboot reboot and select the new entry.

TrueCrypt 4.3 on FC6 : Build from Zero

Tue, Apr 24, 2007 mdda OSS Blog Comments
TrueCrypt 4.3 on FC6 : Build from Zero This was modified for the instructions given for 4.2 from the (German) blog at http://fedorawiki.de/index.php/Truecrypt Set up yum # yum install yum-utils # yum install rpm-build redhat-rpm-config unifdef Install Kernel Sources This install the sources from the rpm downloaded into the current directory. The rpm can be discarded afterwards. # yumdownloader --source kernel --enablerepo core-source --enablerepo updates-source # mkdir /usr/src/redhat # due to packaging problem, I guess # rpm -ivh kernel-$(uname -r).src.rpm ` cd /usr/src/redhat/SPECS rpmbuild -bp –target $(uname -m) kernel-2.6.spec ### Copy dm.h into the right place cp /usr/src/redhat/BUILD/kernel-2.6.19/linux-2.6.19.$(uname -p)/drivers/md/dm.h /usr/src/kernels/$(uname -r)-$(uname -m)/drivers/md/ ### Get and unpack truecrypt sources Get [truecrypt source](http://www.truecrypt.org/downloads.php).

TrueCrypt 4.2 on FC6 : Build from Zero

Tue, Feb 6, 2007 mdda OSS Blog Comments
TrueCrypt 4.2 on FC6 : Build from Zero This was wholesale copied from the (German) blog at http://fedorawiki.de/index.php/Truecrypt Set up yum # yum install yum-utils # yum install rpm-build redhat-rpm-config unifdef ` yumdownloader –source kernel –enablerepo core-source –enablerepo updates-source ### Install Kernel Sources mkdir /usr/src/redhat # due to packaging problem, I guess rpm -ivh kernel-$(uname -r).src.rpm ` # cd /usr/src/redhat/SPECS # rpmbuild -bp --target $(uname -m) kernel-2.6.spec Copy dm.h into the right place # cp /usr/src/redhat/BUILD/kernel-2.6.19/linux-2.6.19.$(uname -p)/drivers/md/dm.h /usr/src/kernels/$(uname -r)-$(uname -m)/drivers/md/ Get and unpack truecrypt sources Get truecrypt source.

MS TrueType Fonts for Fedora FC6

Tue, Jan 23, 2007 mdda OSS Blog Comments
MS TrueType Fonts for Fedora FC6 Many people will find it handy to have MS TrueType fonts available to make sure many websites render correctly. You can download the latest RPM from http://www.mjmwired.net/resources/mjm-fedora-fc5.html#ttf and install it as follows: # wget --referer=http://www.mjmwired.net/resources/mjm-fedora-fc6.html \ http://www.mjmwired.net/resources/files/msttcorefonts-2.0-1.noarch.rpm # rpm -ihv msttcorefonts-2.0-1.noarch.rpm # /etc/init.d/xfs restart

Upgrading FC5 to FC6

Mon, Jan 15, 2007 mdda OSS Blog Comments
Upgrading FC5 to FC6 Even though the official instructions advise against it, it works fairly smoothly. In particular : ‘americas’ doesn’t have a (non-USB) DVD drive, and won’t boot of the USB external DVD-R; ‘cello’ and ‘flute’ are remote servers, so popping in the DVD is impossible. Here’s a transcript of the not-so-smooth part : # yum install yum-fastestmirror # rpm -Uhv ftp://download.fedora.redhat.com/pub/fedora/linux/core/6/i386/os/Fedora/RPMS/fedora-release-*.noarch.rpm # yum upgrade Error: Package VFlib2 needs libttf.so.2, this is not available.

Beagle stalls machine

Mon, Jan 8, 2007 mdda OSS Blog Comments
Beagle stalls machine I never asked for beagle to be installed (must be standard in FC6). Apparently it’s a mono application that likes to take over the machine with 100% CPU usage… Simple solution : yum remove beagle

Yum stalling

Mon, Jan 8, 2007 mdda OSS Blog Comments
Yum stalling It appears that the RPM database needs rebuilding if a yum process is killed prematurely, since it probably had the RPM db open and now it’s in an inconsistent state. The steps : Kill all yum and rpm processes. rm -f /var/lib/rpm/__db* rpm --rebuilddb (add -vv if you want to see what it’s doing) Retry yum update.

Switch Desktop Code

Thu, Jan 4, 2007 mdda OSS Blog Comments
Switch Desktop Code # yum install wmctrl # perl -MCPAN -e shell; install X11::WMCtrl Then use my ‘LoadWS.pm’ script to dynamically load and position sets of windows based upon the programming environment required… foreach my $id (keys %upd) { my $win=$upd{$id}; print "$id -> $$win{title}\n"; if(exists $$ref{ws}) { system("wmctrl -i -r $id -t $$ref{ws}"); } }

SpeedHouse machine installation

Sun, Dec 31, 2006 mdda OSS Blog Comments
SpeedHouse machine installation From the DVD, install Basic Desktop for Fedora Core 6. However, much more is required (and the dependencies will be pulled in automatically). yum install yum-fastestmirror rpm -ivh http://rpm.livna.org/livna-release-6.rpm rpm --import http://rpm.livna.org/RPM-LIVNA-GPG-KEY yum update Programming : yum install joe scite Japanese : yum install scim-anthy yum install VLGothic-fonts fonts-japanese.noarch yum install gnome-sudoku Graphics : yum install inkscape yum install koffice-krita yum install xscreensaver-gl-extras-gss rss-glx-gnome-screensaver Music : yum

TrueCrypt on FC6 : Installation Problems

Sun, Dec 31, 2006 mdda OSS Blog Comments
TrueCrypt on FC6 : Installation Problems Anaconda bug had i586 kernel being installed on Dell 600m laptop, with uname -a mis-reporting an i686 installation. i586 -> i686 kernel change required, then truecrypt modules on farm.repo work like magic. When installing packages with kmods (e.g. the rt2500 and truecrypt drivers) you might run into trouble like this: Transaction Check Error: package kernel-2.6.18-1.2798.fc6 is already installed file /boot/System.map-2.6.18-1.2798.fc6 from install of kernel-2.6.18-1.2798.fc6 conflicts with file from package kernel-2.6.18-1.2798.fc6 file /boot/config-2.6.18-1.2798.fc6 from install of kernel-2.6.18-1.2798.fc6 conflicts with file from package kernel-2.6.18-1.2798.fc6 file /boot/symvers-2.6.18-1.2798.fc6.gz from install of kernel-2.6.18-1.2798.fc6 conflicts with file from package kernel-2.6.18-1.2798.fc6 file /boot/vmlinuz-2.6.18-1.2798.fc6 from install of kernel-2.6.18-1.2798.fc6 conflicts with file from package kernel-2.6.18-1.2798.fc6 This is due to a bug in anaconda (the Fedora Core installer) that accidentally installed an i586 kernel on your i686 machine.

FC6 x86_64 Speedtouch 330 Wanadoo/Orange

Sun, Dec 31, 2006 mdda OSS Blog Comments
FC6 x86_64 Speedtouch 330 Wanadoo/Orange Speedtouch driver now part of Fedora Core 6 (FC6). http://www.linux-usb.org/SpeedTouch/fedora/index.html awk '/4061/ { print $5 }' /proc/bus/usb/devices http://www.speedtouch.com/download/drivers/USB/SpeedTouch330_firmware_3012.zip unzip SpeedTouch330_firmware_3012.zip &&amp; chmod +x firmware-extractor && ./firmware-extractor ZZZL_3.012 When ppp calls up your ISP it will need to know your username and password. Open a text editor (On the top Panel, Applications > Accessories > Text Editor) and enter one line in this format “username@isp” “*” “password” username@isp should be your username with your ISP and password should be the password for your internet account.

P4M800Pro-M v2 Fedora Core 6

Sun, Dec 31, 2006 mdda OSS Blog Comments
P4M800Pro-M v2 Fedora Core 6 Bought from WWW.PC-RACK.COM via e-bay. Sweet deal. Well put together machine (80Gb PATA HD, 512Mb of DDR2 DRAM). Problem areas : Read that choice of Apperture size (64Mb) is important. Getting correct screen resolution (using only LCD display for set-up). Disappearing network interface: Software Shutdown has no effect. Front panel power-off (held down until power-down) has no effect. Power cord removal (and power-supply power-down) for 5 seconds restores network card visibility.

Fedora Core 6 on Dell 600m

Sun, Dec 31, 2006 mdda OSS Blog Comments
Fedora Core 6 on Dell 600m No Problemo! Wireless, etc, flawless. Remember to install Wireless Assistant. USB mouse works instantly. Suspend works fine (need to /etc/init.d/network restart to reinstate wireless sometimes. Hibernate doesn’t seem to work right.