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==== Install Basic System ====

download CentOS

  http://isoredirect.centos.org/centos/6/isos/x86_64/
  http://isoredirect.centos.org/centos/6/isos/i386/

set network

add ssh server

  # yum -y install openssh-server
  # chkconfig sshd on
  # /etc/init.d/sshd start


disable SELinux changing to "SELINUX=disabled" in

  # vim /etc/selinux/config

  
==== Enable other Repositories ====

import the GPG keys for software packages:

  # rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY*


RPMForge and EPEL (please verify versions before install):

  # rpm --import http://dag.wieers.com/rpm/packages/RPM-GPG-KEY.dag.txt
  # wget http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm
  # rpm -ivh rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm

  # rpm --import https://fedoraproject.org/static/0608B895.txt
  # wget http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-5.noarch.rpm
  # rpm -ivh epel-release-6-5.noarch.rpm

  # yum install yum-priorities
  # vim /etc/yum.repos.d/epel.repo
add "priority=10" to the [epel] section.
  # yum update
note: this will upgrade your system to CentOS 6.2 !!

==== Remote Desktop / VNC server ====

CentOS 6 comes with vncserver.

Set your user password
  $ vncpassword

Set your display and geometry:
  # vim /etc/sysconfig/vncsevers

add vnc user and options:
  VNCSERVERS="1:suporte"
  VNCSERVERARGS[1]="-geometry 1024x768"

enable vncserver service
  # chkconfig vncserver on

start service
  # service vncserver start

if your vncserver not start, login as vncuser (in my case suporte), execute the command:
  # $ vncserver

And open firewall ports (5901 tcp/udp) with

  # system-config-firewall



==== KVM Qemu Virt-Manager ====

** install packages **
  # yum groupinstall "Virtualization"  "Virtualization Tools"  "Virtualization Client"  "Virtualization Platform"

** Bridge your network ** =>=> you'll loose connection !!!

disable NetworkManager and enable simple network
  # chkconfig NetworkManager off
  # chkconfig network on
  # service NetworkManager stop
  # service network start

go to network config dir
  # cd /etc/sysconfig/network-scripts

modify interface to make bridge ** ifcfg-eth0 **
  DEVICE=eth0
  # change the hardware address to match the hardware address your NIC uses
  HWADDR=00:16:76:D6:C9:45
  ONBOOT=yes
  BRIDGE=br0

create bridge ** ifcfg-br0 **
  DEVICE=br0
  TYPE=Bridge    # case sensitive
  BOOTPROTO=dhcp # or static
  ONBOOT=yes
  DELAY=0

restart network service
  # service network restart

reference: [[http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Virtualization_Host_Configuration_and_Guest_Installation_Guide/sect-Virtualization_Host_Configuration_and_Guest_Installation_Guide-Network_Configuration-Network_Configuration-Bridged_networking_with_libvirt.html| RHEL6]]

==== ObsPy ====

  yum install ipython scipy numpy python-matplotlib python-matplotlib-tk python-lxml python-setuptools

  easy_install -U distribute

  easy_install -N -U obspy.core
  easy_install -N -U obspy.mseed
  easy_install -N -U obspy.sac
  easy_install -N -U obspy.gse2
  easy_install -N -U obspy.imaging

  easy_install -N -U obspy.signal
  easy_install -N -U obspy.arclink
  easy_install -N -U obspy.xseed
  easy_install -N -U obspy.seishub
  easy_install -N -U obspy.iris
  easy_install -N -U obspy.seisan
  easy_install -N -U obspy.wav
  easy_install -N -U obspy.fissures
  easy_install -N -U obspy.sh
  easy_install -N -U obspy.taup

  easy_install -N -U suds


==== SAC no CentOS ====

**Igual pra todos os linux (=**

Baixar o arquivo de acordo com a arquitetura do sistema:

   wget ftp://trovador.iag.usp.br/tecnico/sac-101.4-linux_x86_64.tar.gz

Ir ao diretório de instalação

   cd /path/to/install (ex /usr/local)

Descompactar o arquivo

   tar -zxvf /path/to/file/sac*.tar.gz

Adicionar as seguintes linhas no ~/.bashrc ou no /etc/profile

   #SAC
   export SACHOME=/path/where/you/install/sac   # (ex /usr/local/sac)
   export PATH=${PATH}:${SACHOME}/bin
   export SACAUX=${SACHOME}/aux


==== GMT  ====

Respeitando a arquiterura, faça:

   sudo yum install GMT.x86_64

Nao é necessário adicionar paths no bashrc. Contudo, o GMT pede um arquivo de configuração que deve ficar na pasta home do usuário e deve ser salvo como .gmtdefaults. Sim ".gmt", oculto mesmo.

Uma cópia deste arquivo pode ser adquirida em:

   ftp://trovador.iag.usp.br/pub/gmtdefaults.txt

Para testar se está bem, faça:
   psxy

E veja se recebe uma mensagem de ajuda. (=

==== PGPLOT ====

Always download the original source code of PGPLOT from its [[http://www.astro.caltech.edu/~tjp/pgplot/|homepage]], and install the package manually (at the time of writting these notes, the latest version is pgplot5.2.tar.gz). For this to work properly, the appropriate X11 files must be available in your machine. I also install gfortran as the Fortran compiler. Both tasks can be performed executing:

   $ sudo yum install libX11-devel
   $ sudo yum install gcc-gfortran

1 - Download the distribution file pgplot5.2.tar.gz
2 - Decompress and extract the contents of the distribution file in a source directory:
   # cd /opt/src
   # mv ~/Downloads/pgplot5.2.tar.gz .
   # tar zxvf pgplot5.2.tar.gz
The last command will create /usr/local/src/pgplot and subdirectories.
3.Create the directory where PGPLOT will be actually installed:
   # mkdir /opt/pgplot
   # cd /opt/pgplot
4-Copy the file drivers.list from the source directory to the installation directory:
   # cp /opt/src/pgplot/drivers.list .
5-Edit that file and remove the exclamation mark (first column of each row) in front of the following graphic devices: /PS, /VPS, /CPS, /VCPS and /XServe. 
6-Create the makefile. From the installation directory /usr/local/pgplot execute:
   # /opt/src/pgplot/makemake /opt/src/pgplot linux g77_gcc_aout
7-Edit the file makefile and change the line:
   FCOMPL=g77
   by
   FCOMPL=gfortran
8-Compile the source files:
   # make
   # make cpg
   # make clean

After the installation, make sure that the expected environment variables are properly set (at least PGPLOT_DIR must exist; PGPLOT_DEV is also quite useful): 
   $ export PGPLOT_DIR=/opt/pgplot
   $ export PGPLOT_DEV=/Xserve

It is useful to introduce those definitions in the .bashrc file at the home directory of the user.

Finally, execute one of the demos in order to check that everything is fine: 
   $ /opt/pgplot/pgdemo1

==== FFTW ====

Instalar as bibliotecas FFT: Fast Fourier Transform library

   sudo yum install fftw-devel.x86_64

Easy like that.

==== NTFS Filesystem ====

Install the following packages:

   $ yum install fuse fuse-ntfs-3g 

If the rpmforge repo is disabled by default,

   $ yum --enablerepo=rpmforge install fuse fuse-ntfs-3g

==== NAWK ====

Instalando o nawk : "The one true awk" descended from UNIX V7

   $ sudo yum install nawk.x86_64

Q: Why not Gawk ?!?
  # yum install gawk

Q2: What's difference ?!?
  [[http://www.thegeekstuff.com/2011/06/awk-nawk-gawk/]]
  [[http://www.well.ox.ac.uk/~johnb/comp/awk/awk.html]]

:-)


==== TestDisk ====

Tool to check and undelete partition, PhotoRec recovers lost files

   $ sudo yum install testdisk



==== f77 ====

   $ setenv INSTALL /usr/local
   $ curl "http://netlib.sandia.gov/cgi-bin/netlib/netlibfiles.tar?filename=netlib/f2c" -o "f2c.tar"
   $ tar -xvf f2c.tar
   $ gunzip -rf f2c/*
   $ cd f2c
   $ mkdir libf2c
   $ mv libf2c.zip libf2c
   $ cd libf2c
   $ unzip libf2c.zip
   $ cp makefile.u Makefile
   $ make
   $ cp f2c.h $INSTALL/include  
   $ cp libf2c.a $INSTALL/lib
   $ cd ../src
   $ cp makefile.u Makefile
   $ chmod +x sum
   $ make
   $ cp f2c $INSTALL/bin
   $ cd ..
   $ mkdir -p $INSTALL/man/man1
   $ cp f2c.1t $INSTALL/man/man1
   $ cp fc $INSTALL/bin/f77
   $ chmod +x $INSTALL/bin/f77
   $ cd .. 
   $ rm -rf f2c
   $ echo "==================SUMMARY=================="
   $ echo $0 " has built and installed:"
   $ find $INSTALL -name '*f2c*' -mmin -5
   $ find $INSTALL -name '*f77*' -mmin -5


=== Translate, compile, link, and run a program: ===

   $ f2c hello.f
   $ gcc -c hello.c
   $ gcc -o hello hello.o -lf2c -lm
   $ ./hello

=== Or combine these into a single command: ===
   $ f77 -o hello hello.f
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