Archive for category Linux

Fedora Core 20 SSD/HD Migration

Posted by admin in Linux on July 26th, 2014

Prerequisites

  1. Put the SSD/HD in your system (can be Sata or USB through a case with adaptor)
  2. Boot on the Fedora 20 and Perform a cleanup of all unneeded stuff to reduce the time spent, you don’t want to put old crap  :)
  3. IMPORTANT: Have a USB stick of at least 1 GB to put a Fedora 20 on it, in case you cannot boot …
  4. Check you have enough space on the SSD, ideally it should be less than 50% of usage.

Partitioning the HD(s)/SSD(s)

Using either fdisk on command line or gparted for a simple version, partition the disk according to the layout you want to have.

Formatting partitions

If you have a lot of small files, or the reverse a lot of huge file. It is better to perform the format on the command line to setup the size of inodes and other stuff according to the filesystem you have or you want.

Otherwise, if you don’t know just use gparted and stick to an ext4 filesystem.

Setting labels on partitions

Put at least the / mount point…

Copying content on the SSD/HD

  1. Mount the SSD/HD partitions
  2. If you use a ext2/ext3/ext4 filesystem, you can go for the simple tar method (I like it very much):
    1. tar cf – /boot | ( cd /mnt/ | tar xfp – )
    2. tar cf – /etc | (cd /mnt/ | tar xfp – )
    3. tar cf – /var | (cd /mnt/ | tar xfp – )
    4. tar cf – /root | (cd /mnt/ | tar xfp – )
    5. tar cf – /opt | (cd /mnt/ | tar xfp – )
    6. tar cf – /home | (cd /mnt | tar xfp – )
    7. tar cf – /tmp| (cd /mnt | tar xfp – )….
  3. Create empty dirs for
    1. dev
    2. mnt
    3. run
    4. sys
    5. proc
  4. Add symbolic links on / if any: it is the case on the 64 bits version

Update /etc/fstab in the target HD

Probably the new SSD(s)/HD(s) are having a new ID, you have to find it.

Personally,, I was too lazy so I used the old school way: /dev/sd[a-z][1-9]+.

Then modify the fstab on the new SSD/HD accordingly.

Setup boot loader (grub2)

  1. As root run the following commands
  2. grub2-install –recheck /dev/MYHARDDRIVE
  3. grub2-mkconfig -o /boot/grub2/grub.cfg
  4. sync
  5. reboot
  6. If the system does not boot use the USB key
    1. Mount partitions for instance in /mnt/sysimage/
    2. mount –bind /dev /mnt/sysimage/dev
    3. mount –bind /proc /mnt/sysimage/proc
    4. mount –bind /sys /mnt/sysimage/sys
    5. chroot /mnt/sysimage
    6. Then redo steps from 1. to 4. it should be ok :)

SSD Specific Tuning

  1. Check the SSD supports TRIM: sudo hdparm -I /dev/MYSSD | grep TRIM
  2. Ext4 changes in /etc/fstab add discard in options:
    1. Example: /dev/sdb1 /                       ext4    defaults,discard        1 1
  3. Avoid to swap too early, add this in /etc/sysctl.conf
     

    1. #SSD
      vm.swappiness = 0
  4. IO Scheduler change (create /etc/rc.d/rc.local and append this if existing, after enable the rc.local. Google this: “Fedora 20 rc.local” )
    #!/usr/bin/bash 

    #SSD Specific
    echo ‘noop’ > /sys/block/sdb/queue/scheduler
    echo ‘noop’ > /sys/block/sda/queue/scheduler

    exit 0

     

 

 

 

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Jukebox with RaspberryPi

Posted by admin in RaspberryPi on August 31st, 2013

Configuration Raspberry Output

You can force the Raspy to take some output (default is HDMI)

amixer cset numid=3 n

Where <n> is the required interface : 0=auto, 1=analog, 2=hdmi. To force the Raspberry Pi to use the analog output :

amixer cset numid=3 1

Quick check that the Raspy is working fine

sudo apt-get install mpg123

–> mpg123 my.mp3

sudo apt-get install sox libsox-fmt-all

–> play myStuff

Install MPD and flokebox

sudo apt-get install flokebox

–> Configure /etc/mpd.conf (set the music path and enable network access)

bind_to_address "0.0.0.0"

–> Configure flokebox (set the music path to display art works)

Install a Window MPD client used as a remote (faster than flokebox)

https://code.google.com/p/auremo/

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Ubuntu on ASUS X401U AMD E2-1800

Posted by admin in Linux, Ubuntu on November 2nd, 2012

Installing [UBUNTU] on [ASUS X401U E2-1800]

Last updated: 02/11/2012

General Hardware Specifications of [ASUS X401U E2-1800]:

Hardware Components
Status under Linux
Notes
AMD E2 1800 Works No special procedure required during installation.
14″ LCD Works No special procedure required during installation
AMD Works No special procedure required during installation
HDMI output and VGA not tested
4GB RAM Works No special procedure required during installation
500 GB SATA Hard Drive Works No special procedure required during installation
Integrated  Memory Card Reader Should Works Not tested should work
Internal WEBCAM Works No special procedure required during installation
Internal WIFI Works No special procedure required during installation
Internal Ethernet Works No special procedure required during installation
Internal SoundCard Works No special procedure required during installation

This laptop is operating under Kernel version [Linux boucaron-X401U 3.5.0-17-generic #28-Ubuntu SMP]

Basic Installation of [UBUNTU]:
  • Why to use [UBUNTU]
    • It is the simplest to install on this laptop (for the moment)
  • Obtaining [UBUNTU]
  • Installing
    • This laptop has UEFI, the first thing to do is to disable in the BIOS (Security panel) the secure HD.
    • Download the x86_64 desktop ISO version that has UEFI boot loader
    • Format a fresh USB stick in FAT32
    • Mount the ISO and Copy all the content to the USB stick
    • Boot on the USB stick (Go in the BIOS, you should have a new entry to boot onto)
  • Post-Install modifications/tweaks see below
Setting up additional features for [UBUNTU]

 

Contact Information
  • julien DOT boucaron AT gmail DOT com
Links:

Plus other useful things I may have forgotten

No Warranties: This information is provided “as is” without any warranty, condition, or representation of any kind, either express or implied, including but not limited to, any warranty respecting non-infringement, and the implied warranties of conditions of merchantability and fitness for a particular purpose. All logos or trademarks on this site are the property of their respective owner. In no event shall linux-laptop.net, linux-on-laptops.com, or any directors, trustees, associates, or employees thereof be liable for any direct, indirect, special, incidental, consequential or other damages howsoever caused whether arising in contract, tort, or otherwise, arising out of or in connection with the use or performance of the information contained on this web site.

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ffmpeg X11 grab

Posted by admin in Linux on June 10th, 2010

ffmpeg is so useful ;-)

ffmpeg -f x11grab -s 1280×800 -r 25 -i :0.0 -f oss -ac 2 -i /dev/dsp output.mpg

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Intel TBB Reduction Code Snippet

Posted by admin in Devel, Linux on September 1st, 2009

ParallelReduction.h

#ifndef _JB_PARRED_H_
#define _JB_PARRED_H_

#include "tbb/parallel_reduce.h"
#include "tbb/blocked_range.h"

using namespace tbb;

struct SumInt {
 int value;
  SumInt();
  SumInt(SumInt &s, split);
  void operator() (const blocked_range<int*>& range);
  void join( SumInt &rhs);
};

int ParallelSumInt( int array[], size_t n );

struct ProductInt {
  int value;
  ProductInt();
  ProductInt(ProductInt &s, split);
  void operator() (const blocked_range<int*>& range);
  void join( ProductInt &rhs);
};

unsigned int ParallelProductInt(int array[], size_t n);

#endif

ParallelReduction.cc

#include "tbb/parallel_reduce.h"
#include "tbb/blocked_range.h"

#include "ParallelReduce.h"

using namespace tbb;

SumInt::SumInt() : value(0)  {}
SumInt::SumInt(SumInt &s, split) {
  value = 0 ;
}

void SumInt::operator() (const blocked_range<int*>& range) {
  int temp = value;
  for( int* a=range.begin(); a!=range.end(); ++a) {
    temp += *a;
  }
  value = temp;
}

void SumInt::join( SumInt &rhs) {
  value += rhs.value;
}

int ParallelSumInt( int array[], size_t n ) {
  SumInt total;
  parallel_reduce(blocked_range<int*> (array, array+n, 1000), total);
  return total.value;
}

ProductInt::ProductInt() : value(1) {}
ProductInt::ProductInt(ProductInt &s, split) {
    value = 1;
}

void ProductInt::operator() (const blocked_range<int*>& range) {
  int temp = value;
  for( int* a=range.begin(); a!=range.end(); ++a) {
    temp *= *a;
  }
  value = temp;
}

void ProductInt::join( ProductInt &rhs) {
  value *= rhs.value;
}

unsigned int ParallelProductInt(int array[], size_t n) {
  ProductInt total;
  parallel_reduce(blocked_range<int*>(array, array+n, 1000), total);
  return total.value;
}

BenchParallelReduce.cc

#include “ParallelReduce.h”

#include “tbb/task_scheduler_init.h”
#include “tbb/tick_count.h”

#include <iostream>
#include <cstdlib>

using namespace std;
using namespace tbb;

void usage() {
cout << “BenchParallelReduce threads? “ << endl;
}

int main(int argc, char**argv) {

task_scheduler_init init(task_scheduler_init::deferred);
int p = 0;
if ( argc == 2 ) {
p = atoi(argv[1]);
}
else if ( argc > 2 ) {
usage(); exit(-1);
}
if ( p != 0 ) { init.initialize(p); }
else {
p = task_scheduler_init::default_num_threads();
init.initialize(p);
}

const int size = 100000000;
int *array = new int[size];
for(int i = 0 ; i < size - 1 ;i++ ) {
array[i] = i;
}

tick_count t0 = tick_count::now();
int res = ParallelSumInt(array, size);
tick_count t1 = tick_count::now();
cout << “Result: “ << res << endl;
cout << “Takes “ << (t1-t0).seconds() << ” seconds” << endl;
cout << “Thread(s) “ << p << endl;

return 0;
}

Files

ParallelReduce.h

ParallelReduce.cc

BenchParallelReduce.cc

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Irrlicht code snippet: slow down FPS

Posted by admin in Devel, Linux on September 1st, 2009

A simple code snippet to slow down frame rate and slow down CPU usage.

#include <irrlicht.h>
#include <iostream>
using namespace irr;

struct IrrlichtDelayFPS {
  int maxFPS;
  int lastFPS;
  int yieldCounter;
  IrrlichtDevice *device;
  IrrlichtDelayFPS() { maxFPS = 50;  yieldCounter = 0;  device = 0; }
  void delay() {
    video::IVideoDriver* driver = device->getVideoDriver();
    int lastFPS = driver->getFPS();
    for( int i = 0 ; i < yieldCounter ; i++ ) {
      device->yield();
    }
    if ( lastFPS >maxFPS ) { yieldCounter++ ; }
    else {
      if (yieldCounter > 0 ) { --yieldCounter; }
      else { yieldCounter = 0 ; }
    }
  }
};

/* 

  IrrlichtDelayFPS delayFPS;
  delayFPS.maxFPS = 50; //set max FPS
  delayFPS.device = device; //set device

while(device->run()) {
   //your code here
  //delay loop
  delayFPS.delay();
}

*/
IrrlichtFPS

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Cross compiling lpsolve under linux for win32

Posted by admin in Devel, Linux, Ubuntu on July 23rd, 2009

Here is the attached Makefile (no other patch)

<<

#
# Makefile for cross-compiling lp_solve using GNU Make
# Usage:
#   make -f Makefile.MinGW [all | bin | lib | clean]
#
# $Revision: 1.1 $
#

AR = i586-mingw32msvc-ar
ARFLAGS = rv
CC = i586-mingw32msvc-gcc
LEX = flex
YACC = bison

INCLUDE = -I. -Ibfp -Ibfp/bfp_LUSOL -Ibfp/bfp_LUSOL/LUSOL -Icolamd -Ishared

# Uncomment any of the following two depending on your profile
#DEBUG = -g -pg
DEBUG = -O2

DEFINE = -DYY_NEVER_INTERACTIVE -DPARSER_LP -DINVERSE_ACTIVE=INVERSE_LUSOL -DRoleIsExternalInvEngine

# Uncomment any of the following two depending on how easily compiler messages scare you
#CFLAGS= $(INCLUDE) $(DEBUG) $(DEFINE) -fpic -Wall -pedantic -trigraphs
CFLAGS= $(INCLUDE) $(DEBUG) $(DEFINE)  -mno-cygwin -DWIN32 -Wall

LFLAGS = -L
YFLAGS = --no-lines -y

LDFLAGS = -lm -Wl,--allow-multiple-definition

demo.exe: demo/demo.c $(OBJECTS)
	$(CC) $(CFLAGS) $(DEBUG) $(DEFINE) $(INCLUDE) $< $(OBJECTS) -o demo/demo $(LDFLAGS)

LUSOLSRC = bfp/bfp_LUSOL/lp_LUSOL.c bfp/bfp_LUSOL/LUSOL/lusol.c
LUSOLOBJS = bfp/bfp_LUSOL/lp_LUSOL.o bfp/bfp_LUSOL/LUSOL/lusol.o

OBJECTS = $(LUSOLOBJS) lp_MDO.o shared/commonlib.o colamd/colamd.o \
shared/mmio.o shared/myblas.o ini.o fortify.o lp_rlp.o lp_crash.o  \
lp_Hash.o lp_lib.o lp_wlp.o lp_matrix.o lp_mipbb.o lp_MPS.o	   \
lp_params.o lp_presolve.o lp_price.o lp_pricePSE.o lp_report.o	   \
lp_scale.o lp_simplex.o lp_SOS.o lp_utils.o yacc_read.o

SRC = $(LUSOLSRC) lp_MDO.c shared/commonlib.c colamd/colamd.c	   \
shared/mmio.c shared/myblas.c ini.c fortify.c lp_rlp.c lp_crash.c  \
lp_Hash.c lp_lib.c lp_wlp.c lp_matrix.c lp_mipbb.c lp_MPS.c	   \
lp_params.c lp_presolve.c lp_price.c lp_pricePSE.c lp_report.c	   \
lp_scale.c lp_simplex.c lp_SOS.c lp_utils.c yacc_read.c

LIBRARIES = liblpsolve55.a liblpsolve55.so liblpsolve55.dll
BINARIES = lp_solve.exe demo.exe
ALL =  $(BINARIES) $(DEMOS) $(LIBRARIES)
.PHONY=clean lp_solve

all: $(ALL)
lib: $(LIBRARIES)
bin: $(BINARIES)
objects: $(OBJECTS)

lp_rlp.o: lp_rlp.l lp_rlp.y
	$(LEX) $(LFLAGS) lp_rlp.l
	sed -e "s/yy/lp_yy/g" lex.yy.c >lp_rlp.h
	rm -f lex.yy.c

	$(YACC) $(YFLAGS) lp_rlp.y
	sed -e "s/yy/lp_yy/g" y.tab.c >lp_rlp.c
	rm -f y.tab.c

	$(CC) $(CFLAGS) $(DEBUG) $(DEFINE) $(INCLUDE) -c $*.c

lp_solve.exe: lp_solve/lp_solve.c $(OBJECTS)
	$(CC) $(CFLAGS) $(DEBUG) $(DEFINE) $(INCLUDE) $< $(OBJECTS) -o lp_solve/lp_solve.exe $(LDFLAGS)

demo.exe: demo/demo.c $(OBJECTS)
	$(CC) $(CFLAGS) $(DEBUG) $(DEFINE) $(INCLUDE) $< $(OBJECTS) -o demo/demo.exe $(LDFLAGS)

liblpsolve55.a: $(OBJECTS)
	$(AR) $(ARFLAGS) lpsolve55/$@ `echo $(SRC)|sed 's/[.]c/.o/g'`
	ranlib lpsolve55/$@

liblpsolve55.so: $(OBJECTS)
	$(CC) -shared -Wl,-Bsymbolic -Wl,-soname,$@ -o lpsolve55/$@ `echo $(SRC)|sed 's/[.]c/.o/g'` $(LDFLAGS)

liblpsolve55.dll: $(OBJECTS)
	$(CC) -shared  -o $@ -Wl,--out-implib,liblpsolve55.a $(OBJECTS) $(LDFLAGS)

clean:
	rm -f $(OBJECTS)  *.so *.a lp_solve/lp_solve.exe demo/demo.exe lpsolve55/*.so lpsolve55/*.a lpsolve55/*.dll

>>

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SystemC for Linux amd64

Posted by admin in Ubuntu on December 7th, 2008

I have update the systemc package version 2.2 for Ubuntu amd64, see there:

http://julien.boucaron.free.fr/systemc/

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Ubuntu 8.10 x64 on Dell Latitude D630

Posted by admin in Linux, Ubuntu on November 18th, 2008

Installing [UBUNTU 8.10 (x64)] on [DELL LATITUDE D630]

Last updated: 18/11/2008

General Hardware Specifications of [DELL LATITUDE D630]:

Hardware Components
Status under Linux
Notes
Intel(R) Core(TM)2 Duo CPU     T7500  @ 2.20GHz Works No special procedure required during installation.
14″ LCD Works No special procedure required during installation
nVidia Corporation Quadro NVS 135M Works Check your BIOS (last release is A13) and the GPU fan will run at full speed using version 177 driver, I am using version 173 driver and there is no fan issue with an old BIOS
2GB, RAM, 2DIMMs Works No special procedure required during installation
120 GB SATA Hard Drive Works No special procedure required during installation
Integrated Bluetooth Works No special procedure required during installation, BUT must be enabled using Windows utility
Integrated PCMCIA Works No special procedure required during installation
Integrated IEEE1384 Works No special procedure required during installation
Internal V92 Modem Should Work Not tested
DVD-RW Unit Works No special procedure required during installation
Internal Intel WIFI Works No special procedure required during installation
Internal Intel Ethernet Works No special procedure required during installation
Intel HDA SoundCard Works No special procedure required
during installation

INTERNAL MIC CAPTURE ISSUE see https://wiki.ubuntu.com/Gutsy_Intel_HD_Audio_Controller

This laptop is operating under Kernel version [Linux 2.6.27-7-generic]

Basic Installation of [UBUNTU 8.10 (x64)]:
  • Why to use [UBUNTU 8.10 (x64)]
    • Because only one live CD that we can install, good support for auto detection of hardware
  • Obtaining [UBUNTU]
  • Installing
  • Post-Install modifications/tweaks see below
Setting up additional features for [UBUNTU 8.04 (x64)]:
  • sudo apt-get install nvidia-settings sensors-applet
Contact Information
  • julien DOT boucaron AT free DOT fr
Links:

Plus other useful things I may have forgotten

Linux on Laptops
No Warranties: This information is provided “as is” without any warranty, condition, or representation of any kind, either express or implied, including but not limited to, any warranty respecting non-infringement, and the implied warranties of conditions of merchantability and fitness for a particular purpose. All logos or trademarks on this site are the property of their respective owner. In no event shall linux-laptop.net, linux-on-laptops.com, or any directors, trustees, associates, or employees thereof be liable for any direct, indirect, special, incidental, consequential or other damages howsoever caused whether arising in contract, tort, or otherwise, arising out of or in connection with the use or performance of the information contained on this web site.

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Ubuntu on Sony VAIO VGN-FE21B

Posted by admin in Linux, Ubuntu on November 15th, 2008

Installing [UBUNTU] on [SONY VAIO VGN-FE21B]

Last updated: 13/01/2007

General Hardware Specifications of [SONY VAIO VGN-FE21B]:

Hardware Components
Status under Linux
Notes
Pentium
T2300 @ 1.66 GHz		 Works No special procedure required during installation.
15.4″ LCD Works No special procedure required during installation
NVIDIA 7400 Works No special procedure required during installation
If you want xgl, compiz or beryl download and install NVIDIA drivers see procedure here and X11 configuration here
VGA output and S-video output not tested
1GB, RAM, 2DIMMs Works No special procedure required during installation
80 GB SATA Hard Drive Works No special procedure required during installation
Integrated 5-1 Memory Card Reader Should Works Not tested should work
Integrated Bluetooth Works No special procedure required during installation
Integrated PCMCIA Works No special procedure required during installation
Integrated IEEE1384 Works No special procedure required during installation
Internal V92 Modem Should Work Not tested should work
see http://www.linuxant.com/drivers/
DVD-RW Unit Works No special procedure required during installation
Internal Intel WIFI Works No special procedure required during installation
Internal Intel Ethernet Works No special procedure required during installation
Intel HDA SoundCard Works No special procedure required
during installation for PLAYBACK
If you want to CAPTURE with integrated microphone see instructions here

This laptop is operating under Kernel version [Linux boucaron-laptop 2.6.17-10-generic #2 SMP]

Basic Installation of [UBUNTU]:
  • Why to use [UBUNTU]
    • Because only one live CD that we can install, good support for auto detection of hardware
  • Obtaining [UBUNTU]
  • Installing
  • Post-Install modifications/tweaks see below
Setting up additional features for [UBUNTU]
NVIDIA LAST DRIVER WORKING WITH UBUNTU
  • Download and install NVIDIA Drivers
  • However if you reboot now you will do not have X11 working, actually because in UBUNTU nvidia is a “restricted” module and UBUNTU is having a service run at startup called /etc/init.d/linux-restricted-modules-common that “copy” files from /lib/linux-restricted-modules/2.6.17-10-generic/nvidia (our case) into the appropriate place in the /lib/modules/2.6.17-10-generic/.
  • The trick is the following after installing NVIDIA driver we just have to copy the nvidia.ko file from /lib/modules/2.6.17-10-generic/ into /lib/linux-restricted-modules/2.6.17-10-generic/nvidia/ after removed present files in this directory. Take care also to remove /lib/linux-restricted-modules/2.6.17-10-generic/nvidia_legacy.
Configuration Files
  • X11 Configuration for xgl, beryl
  • # nvidia-xconfig: X configuration file generated by nvidia-xconfig
    # nvidia-xconfig:  version 1.0  (buildmeister@builder3)  Mon Oct 16 22:13:07 PDT 2006

    # /etc/X11/xorg.conf (xorg X Window System server configuration file)
    #
    # This file was generated by dexconf, the Debian X Configuration tool, using
    # values from the debconf database.
    #
    # Edit this file with caution, and see the /etc/X11/xorg.conf manual page.
    # (Type “man /etc/X11/xorg.conf” at the shell prompt.)
    #
    # This file is automatically updated on xserver-xorg package upgrades *only*
    # if it has not been modified since the last upgrade of the xserver-xorg
    # package.
    #
    # If you have edited this file but would like it to be automatically updated
    # again, run the following command:
    #   sudo dpkg-reconfigure -phigh xserver-xorg

    Section “ServerLayout”
    Identifier     “Default Layout”
    Screen         “Default Screen” 0 0
    InputDevice    “Generic Keyboard”
    InputDevice    “Configured Mouse”
    InputDevice    “stylus” “SendCoreEvents”
    InputDevice    “cursor” “SendCoreEvents”
    InputDevice    “eraser” “SendCoreEvents”
    InputDevice    “Synaptics Touchpad”
    EndSection

    Section “Files”

    # path to defoma fonts
    FontPath        “/usr/share/X11/fonts/misc”
    FontPath        “/usr/share/X11/fonts/cyrillic”
    FontPath        “/usr/share/X11/fonts/100dpi/:unscaled”
    FontPath        “/usr/share/X11/fonts/75dpi/:unscaled”
    FontPath        “/usr/share/X11/fonts/Type1″
    FontPath        “/usr/share/X11/fonts/100dpi”
    FontPath        “/usr/share/X11/fonts/75dpi”
    FontPath        “/usr/share/fonts/X11/misc”
    FontPath        “/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType”
    EndSection

    Section “Module”
    Load           “i2c”
    Load           “bitmap”
    Load           “ddc”
    Load           “extmod”
    Load           “freetype”
    Load           “glx”
    Load           “int10″
    Load           “type1″
    Load           “vbe”
    EndSection

    Section “InputDevice”
    Identifier     “Generic Keyboard”
    Driver         “kbd”
    Option         “CoreKeyboard”
    Option         “XkbRules” “xorg”
    Option         “XkbModel” “pc105″
    Option         “XkbLayout” “fr”
    Option         “XkbOptions” “lv3:ralt_switch”
    EndSection

    Section “InputDevice”
    Identifier     “Configured Mouse”
    Driver         “mouse”
    Option         “CorePointer”
    Option         “Device” “/dev/input/mice”
    Option         “Protocol” “ExplorerPS/2″
    Option         “ZAxisMapping” “4 5″
    Option         “Emulate3Buttons” “true”
    EndSection

    Section “InputDevice”
    Identifier     “Synaptics Touchpad”
    Driver         “synaptics”
    Option         “SendCoreEvents” “true”
    Option         “Device” “/dev/psaux”
    Option         “Protocol” “auto-dev”
    Option         “HorizScrollDelta” “0″
    EndSection

    Section “InputDevice”

    # /dev/input/event
    # for USB
    Identifier     “stylus”
    Driver         “wacom”
    Option         “Device” “/dev/wacom”          # Change to
    Option         “Type” “stylus”
    Option         “ForceDevice” “ISDV4″               # Tablet PC ONLY
    EndSection

    Section “InputDevice”

    # /dev/input/event
    # for USB
    Identifier     “eraser”
    Driver         “wacom”
    Option         “Device” “/dev/wacom”          # Change to
    Option         “Type” “eraser”
    Option         “ForceDevice” “ISDV4″               # Tablet PC ONLY
    EndSection

    Section “InputDevice”

    # /dev/input/event
    # for USB
    Identifier     “cursor”
    Driver         “wacom”
    Option         “Device” “/dev/wacom”          # Change to
    Option         “Type” “cursor”
    Option         “ForceDevice” “ISDV4″               # Tablet PC ONLY
    EndSection

    Section “Monitor”
    Identifier     “Generic Monitor”
    HorizSync       28.0 – 64.0
    VertRefresh     43.0 – 60.0
    Option         “DPMS”
    EndSection

    Section “Device”

    #Driver “nv”
    Identifier     “NVIDIA Corporation NVIDIA Default Card”
    Driver         “nvidia”
    #    Option  “XAANoOffscreenPixmaps”
    Option “TripleBuffer” “True”
    EndSection

    Section “Screen”
    Identifier     “Default Screen”
    Device         “NVIDIA Corporation NVIDIA Default Card”
    Monitor        “Generic Monitor”
    DefaultDepth    24
    Option         “RenderAccel” “true”
    Option         “AllowGLXWithComposite” “true”
    SubSection     “Display”
    Depth       1
    Modes      “1280×800″
    EndSubSection
    SubSection     “Display”
    Depth       4
    Modes      “1280×800″
    EndSubSection
    SubSection     “Display”
    Depth       8
    Modes      “1280×800″
    EndSubSection
    SubSection     “Display”
    Depth       15
    Modes      “1280×800″
    EndSubSection
    SubSection     “Display”
    Depth       16
    Modes      “1280×800″
    EndSubSection
    SubSection     “Display”
    Depth       24
    Modes      “1280×800″
    EndSubSection
    Option “AddARGBGLXVisuals” “True”
    EndSection

    Section “Extensions”
    Option “Composite” “Enable”
    EndSection

    Section “DRI”
    Mode 0666
    EndSection
  • Modules options for sound card, append this to /etc/modprobe.d/alsa-base
    options snd-hda-intel model=vaio position_fix=0
Contact Information
  • julien DOT boucaron AT free DOT fr
Links:

Plus other useful things I may have forgotten

Linux on Laptops
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