CentOS

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CentOS
Web site http://www.centos.org/
All third party software

Unless otherwise noted, everything here is related to CentOS 5 (rather x86_64).

Contents

[edit]

Vanilla install on OVH

(from http://forum.ovh.it/showthread.php?t=154) 

mkdir /newsystem
cd /newsystem
wget http://ftp.hosteurope.de/mirror/centos.org/5/os/x86_64/images/pxeboot/initrd.img
wget http://ftp.hosteurope.de/mirror/centos.org/5/os/x86_64/images/pxeboot/vmlinuz
cp vmlinuz /boot/vmlinuz.cent.pxe
cp initrd.img /boot/initrd.img.cent.pxe
yum install grub
vi /boot/grub/menu.lst

Copy/paste 

title Centos Install (PXE)
       root (hd0,0)
       kernel /boot/vmlinuz.cent.pxe vnc vncpassword=PASSWORD headless ip=IP.IP.IP.166 netmask=255.255.255.0 gateway=IP.IP.IP.IP.254 dns=213.186.33.99 ksdevice=eth0 method=http://ftp.hosteurope.de/mirror/centos.org/5/os/x86_64/ lang=en_US keymap=fr
       initrd /boot/initrd.img.cent.pxe

grub-install /dev/sda
grub-install --recheck /dev/sda
[edit]

Logitech Trackball

In order to have the scroll follow instructions from http://wiki.soslug.org/wiki/debian_64_and_the_logitech_trackball 

Section "InputDevice"
 	Identifier  "Mouse0"
	Driver      "mouse"
	Option	    "Protocol" "ExplorerPS/2"
	Option	    "Device" "/dev/input/mice"
	Option	    "EmulateThreeButtons" "true"
	Option	    "Buttons" "9"
	Option	    "EmulateWheel" "1"
	Option	    "EmulateWheelButton" "8" # for right handed people
	Option	    "YAxisMapping" "4 5"
	Option	    "XAxisMapping" "6 7"
EndSection
[edit]

Power Management / Monitoring

[edit]

Sensors

  • Install lm_sensors
  • run (interactively) 
sudo /usr/sbin/sensors-detect
[edit]

Cpufreq

On some old/low end processors you need to 

sudo /sbin/modprobe p4-clockmod

(thanks to http://ubuntuforums.org/showthread.php?t=527043)

[edit]

Interesting links

[edit]

Multimedia

[edit]

Rip as MP3 

sudo yum install gstreamer-plugins-{bad,ugly}
  • Create an MP3 audio profile using 
gnome-audio-profiles-properties

with pipeline: 

audio/x-raw-int,rate=44100,channels=2 ! lame name=enc mode=1 quality=0 vbr=0 bitrate=192 ! xingmux ! id3v2mux
  • Select the new profile in the SoundJuicer preferences

(thanks to http://lists.centos.org/pipermail/centos/2007-December/048190.html)

[edit]

Google Earth 5

Download GoogleEarth: http://earth.google.com/ 

sudo sh ~/Download/GoogleEarth.bin

If you try to start it, you get: 

./googleearth-bin: /usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.9' not found

To fix it download and put in the GoogleEarth directory a more recent version of libstdc++: 

wget http://ftp.stw-bonn.de/pub/fedora/linux/releases/10/Fedora/i386/os/Packages/libstdc%2b%2b-4.3.2-7.i386.rpm
rpm2cpio libstdc++-4.3.2-7.i386.rpm|cpio -i --make-directories
sudo mv ./usr/lib/libstdc++.so.6* /opt/google-earth
rmdir ./usr/lib ./usr

And fix a memory access issue with SELinux: 

sudo chcon -t textrel_shlib_t /opt/google-earth/lib*.so

You can now start GoogleEarth 

googleearth
[edit]

Java Developer Desktop

  • install elrepo repository: 
sudo rpm -Uvh http://elrepo.org/elrepo-release-0.1-1.el5.elrepo.noarch.rpm
sudo rpm --import http://elrepo.org/RPM-GPG-KEY-elrepo.org
  • install NVIDIA driver 
sudo yum --enablerepo=elrepo install kmod-nvidia

sudo gedit /etc/yum.repos.d/rpmforge.repo
  • install subversion 
sudo yum --enablerepo=rpmforge install subversion.x86_64

cd /usr/lib64/mozilla/plugins
sudo tar -xzf ~/Downloads/libflashplayer-10.0.32.18.linux-x86_64.so.tar.gz
  • install EPEL repo 
rpm -Uvh http://download.fedora.redhat.com/pub/epel/5/i386/epel-release-5-3.noarch.rpm

cd /opt
sudo tar -xjf ~/Download/skype_static-2.1.0.47.tar.bz2 
ln -s skype_static-2.1.0.47/ skype
  • activate microphone, activate capture (in Preferences...)
    • CentOS 5.5: only check the microphone icon in the Capture tab of Volume Control
  • build and install latest IcedTea JDK (to prevent issues with Eclipse)
  • use browser plugin 
sudo ln -s /opt/openjdk-1.6/jre/lib/amd64/IcedTeaNPPlugin.so /usr/lib64/mozilla/plugins/
  • autologin in keyring (require same password for login and keyring!) 
sudo yum install --enablerepo=rpmforge pam_keyring
sudo gedit /etc/pam.d/gdm

#%PAM-1.0
auth       required    pam_env.so
# PAM_KEYRING:
auth       optional    pam_keyring.so try_first_pass
auth       include     system-auth
account    required    pam_nologin.so
account    include     system-auth
password   include     system-auth
session    optional    pam_keyinit.so force revoke
session    include     system-auth
session    required    pam_loginuid.so
session    optional    pam_console.so
# PAM_KEYRING:
session    optional    pam_keyring.so

(thanks to http://paulsdigitalworld.blogspot.com/2008/01/centos-5-fixing-most-annyoing-problems.html)

[edit]

Install Microsoft Fonts 

sudo yum install rpm-build cabextract ttmkfdir
cd ~/rpmbuild/SPECS
wget http://corefonts.sourceforge.net/msttcorefonts-2.0-1.spec
rpmbuild -bb msttcorefonts-2.0-1.spec
sudo yum --nogpgcheck localinstall ../RPMS/noarch/msttcorefonts-2.0-1.noarch.rpm

(thanks to http://www.howtoforge.com/the-perfect-desktop-fedora9-gnome-p5)

[edit]

KVM

[edit]

Networking (bridged)

Install bridge-utils 

sudo yum install bridge-utils

Create /etc/sysconfig/network-scripts/ifcfg-br0: 

DEVICE=br0
TYPE=Bridge

#BOOTPROTO=dhcp
#ONBOOT=yes

#BOOTPROTO=static
#BROADCAST=192.168.1.255
#IPADDR=192.168.1.21
#NETMASK=255.255.255.0
#NETWORK=192.168.1.0

BOOTPROTO=none

ONBOOT=yes

Uncomment the relevant part if you want the bridge to have an IP address and thus the host to be directly accessible. Probably necessary if you have just one network card.

Add a physical interface to the bridge (eth0 or eth1):

Edit /etc/sysconfig/network-scripts/ifcfg-eth1: 

DEVICE=eth1
ONBOOT=yes
BRIDGE=br0

Restart the network (and libvirt): 

sudo /sbin/service network restart
sudo /sbin/service libvirtd restart

In a guest Hardware tab, +Add Hardware:

  • Type: Network
  • Shared physical device (select the one you just bridged)
  • Device mode: virtio (if supported by your guest)

Note: In order to list bridges: 

sudo /usr/sbin/brctl show
[edit]

WinXP guest

As OS type choose 'Windows Vista' and not 'Windows XP', otherwise it will eat up all the CPU.

(thanks to https://bugs.launchpad.net/ubuntu/+source/virt-manager/+bug/228442)

[edit]

Java

[edit]

Build IcedTea OpenJDK 6

Install dependencies (requires EPEL): 

yum install autoconf automake gcc gcc-c++ ant cups-devel xorg-x11-proto-devel \
libjpeg-devel giflib-devel libXt-devel libXp-devel libXpm-devel libXext-devel \
libXinerama-devel libXrender-devel libpng-devel libXtst-devel freetype-devel \
alsa-lib-devel xulrunner-devel-unstable gtk2-devel patch xalan-j2 wget \
hg libffi-devel llvm-devel systemtap-sdt-devel pulseaudio-libs-devel rhino

(see http://icedtea.classpath.org/wiki/FedoraBuildInstructions)

Checkout: 

hg clone http://icedtea.classpath.org/hg/release/icedtea6-1.6
cd icedtea6-1.6
./autogen.sh

Build: 

export JAVA_HOME=/usr/lib/jvm/java-1.6.0
./configure --with-openjdk --with-parallel-jobs=4 --enable-npplugin
export JAVA_HOME=
make
[edit]

Sun JDK 1.6

Uninstall all java related standard packages 

sudo yum erase *gcj*
sudo yum erase *openjdk*

Download from java.sun.com. Install 

sudo sh jdk-6u17-linux-x64-rpm.bin

Firefox plugin: 

sudo ln -s /usr/java/default/jre/lib/amd64/libnpjp2.so /usr/lib64/mozilla/plugins/libnpjp2.so

(thanks to http://blog.taragana.com/index.php/archive/how-to-install-enable-java-plugin-applets-in-firefox-on-centos-5/)

Note: I has to force the link to Java, I don't know why 

ln -s /usr/java/default/bin/java /usr/bin/java
[edit]

Desktop

[edit]

Fonts

If not already done, prepare a proper RPM Build environment: http://wiki.centos.org/HowTos/SetupRpmBuildEnvironment

Then download and build from the core fonts project: 

sudo yum install rpm-build cabextract
wget http://corefonts.sourceforge.net/msttcorefonts-2.0-1.spec
rpmbuild -ba msttcorefonts-2.0-1.spec
sudo yum localinstall --nogpgcheck ~/rpmbuild/RPMS/noarch/msttcorefonts-2.0-1.noarch.rpm
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