====== My Linux stuffs ======

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====== Installation notes ======

Download the Scientific Linux 6.4 x86_64 'Install-DVD.iso' image from


[[http://ftp1.scientificlinux.org/linux/scientific/6.4/x86_64/iso/]]



Setup the 500GB HD as follows: 

   * ''/dev/sda1''  =>  50 GB primary partition for ''/''

   * ''/dev/sda2''  =>  2 GB primary partition for the Linux swap

   * ''/dev/sda3''  =>  50 GB primary partition for ''/users''

   * ''/dev/sda4'' =>  the remaining free space (~400 GB) for ''/data''



====== NFS setup (manual mounting) ======

[[http://oldsite.to.infn.it/groups/group4/mirror/linux/AppuntiLinux/AL-6.19.86.html]]

The NFS filesystem support must be enabled. Check if

<code>
cat /proc/filesystems | grep nfs
</code>

returns ''nodev nfs''. By default the NFS support might be disabled. 
To load the NFS kernel module run as root:

<code>
#/sbin/modprobe nfs
</code>

Once NFS is enables you can mount remote host directories specified in the
server ''/etc/exports'' configuration file with the ''mount'' command.

<code>
# mount -t nfs hostname:/path/to/shared/directory /local/mount/point
</code>

====== Missing fonts ====== 

<code>
sudo yum install xorg-x11-font*
</code>




====== GNOME Configuration Editor ======

<code>
sudo yum install gconf-editor
</code>

**Applications => System Tools => Configuration Editor** => ''always_use_browser'' in ''/apps/nautilus/preferences''. 

====== Kolourpaint ====== 

<code>
yum install kdegraphics
</code>



====== VirtualBox on SL 6.x ======

<code>
sudo yum install kernel-devel
wget  http://download.virtualbox.org/virtualbox/4.2.16/VirtualBox-4.2.16-86992-Linux_x86.run
sudo sh VirtualBox-4.2.16-86992-Linux_x86.run 
</code>

<code>
cd /media/VBOXADDITIONS_4.x.y
sudo sh VBoxLinuxAdditions.run
</code>

====== Skype (that just works) ======

[[http://community.skype.com/t5/Linux/CentOS-RHEL-6-Skype-4-2-RPM-Installation-Steps/td-p/1740485]]

<code>
# yum install http://dl.fedoraproject.org/pub/epel/6/i386/epel-release-6-8.noarch.rpm
# wget http://www.bromosapien.net:8080/others/skype-4.2.0.11-4.el6.i686.rpm
# yum install skype-4.2.0.11-4.el6.i686.rpm
</code>


''/usr/bin/skype''


====== Unrar ======

[[http://minimallinux.blogspot.it/2012/08/centos-6rhel-install-and-use-unrar.html]]

====== LibreOffice ======

<code>
yum install libreoffice
</code>

====== Note installazioni in locale ======

<code>
mkdir ~/local
</code>

<code>
setenv PREFIX $HOME/local
</code>



**Binutils**

<code>
cd ~/local/sources
wget http://ftp.gnu.org/gnu/binutils/binutils-2.23.tar.gz
tar -xzf binutils-2.23.tar.gz
mkdir binutils.build
cd binutils.build
../binutils-2.23/configure --help >> configure.help
../binutils-2.23/configure [options...] [VAR=value...] && make && make install
</code>


<code>
../binutils-2.23/configure --prefix=$PREFIX
make && make install
</code>



**GCC**

<code>
cd ~/local/sources
mkdir gcc
cd gcc
wget http://ftp.sunet.se/pub/gnu/gcc/infrastructure/gmp-4.3.2.tar.bz2
wget http://ftp.sunet.se/pub/gnu/gcc/infrastructure/mpc-0.8.1.tar.gz
wget http://ftp.sunet.se/pub/gnu/gcc/infrastructure/mpfr-2.4.2.tar.bz2
</code>

<code>
wget ftp://ftp.mirrorservice.org/sites/sourceware.org/pub/gcc/releases/gcc-4.6.1/gcc-core-4.6.1.tar.gz
wget ftp://ftp.mirrorservice.org/sites/sourceware.org/pub/gcc/releases/gcc-4.6.1/gcc-g++-4.6.1.tar.gz
</code>


<code>
mv gmp-4.3.2 gcc-4.6.1/gmp
mv mpc-0.8.1 gcc-4.6.1/mpc
mv mpfr-2.4.2 gcc-4.6.1/mpfr
</code>


<code>
mkdir gcc.build
cd gcc.build
../gcc-4.8.1/configure [options] && make && make install
</code>

<code>
../gcc-4.8.1/configure --help >> configure.help
</code>


<code>
../gcc-4.8.1/configure --prefix=$PREFIX --disable-multilib --enable-languages='c c++'
</code>



====== libX11-devel =====

I sorgenti li scarico da pkgs.org. Occorre soddisfare la dipendenza con xproto, perche'
mancano gli header files.

<code>
cd ~/local/sources
mkdir xproto
cd xproto
wget http://vault.centos.org/6.4/os/Source/SPackages/xorg-x11-proto-devel-7.6-25.el6.src.rpm
rpm2cpio xorg-x11-proto-devel-7.6-25.el6.src.rpm |cpio -idmv
 tar -xjf xproto-7.0.23.tar.bz2
mkdir xproto.build
cd xproto.build
../xproto-7.0.23/configure --help 
</code>

<code>
cd ~/local/sources
mkdir libX11-devel
cd libX11-devel
wget http://vault.centos.org/6.4/os/Source/SPackages/libX11-1.5.0-4.el6.src.rpm
rpm2cpio  libX11-1.5.0-4.el6.src.rpm | cpio -idmv
rm libX11-1.5.0-4.el6.src.rpm
tar -xjf libX11-1.5.0.tar.bz2
</code>


====== NX Client installation instructions ======

Se uso il tar.gz non devo fare nulla di particolare. Scaricare con ''wget'' oppure ''ftp''
da

[[http://www.nomachine.com/download.php]]

la versione .tar.gz per Linux ed estrarla in ''/usr/'' sulla propria macchina oppure
in ''$HOME/local/opt'' se non si hanno privilegi di admin.

<code>
cd $HOME/local/opt
wget http://web04.nomachine.com/download/3.5.0/Linux/nxclient-3.5.0-7.i386.tar.gz
tar -xvzf nxclient-3.5.0-7.i386.tar.gz
</code>

Per x86_64 usare invece

<code>
wget http://web04.nomachine.com/download/3.5.0/Linux/nxclient-3.5.0-7.x86_64.tar.gz
</code>

Gli eseguibili sono poi in ''NX/bin'', se la si estrae in ''/usr'' sono gia' nel search path,
altrimenti bisogna aggiungere ''$HOME/local/opt/NX'' al search path.

Per SICUREZZA esportare il path solo per quella data sessione!!! Evitare di mandare in segmentation fault 
la shell con il cshrc !!!!

<code>
setenv PATH $HOME/local/opt/NX/bin:$PATH
which nxclient
/<user home>/local/opt/NX/bin/nxclient
</code>


Per disinstallare il programma sara' poi sufficiente cancellare la directory ''NX/'',

<code>
sudo rm -rf /usr/NX     (se ho admin privileges)
rm -rf $HOME/local/opt/NX
</code>

Per la documentazione vedere

[[http://www.nomachine.com/documents/client/install.html]]





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