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=== Installing POS with XDAQ15 on Centos 7 ===

Prerequisits

  sudo yum install centos-release-scl
  sudo yum install devtoolset-8
  sudo yum install git cmake3 gcc-c++ gcc binutils \
  libX11-devel libXpm-devel libXft-devel libXext-devel openssl-devel
  sudo yum install gcc-gfortran pcre-devel \
  mesa-libGL-devel mesa-libGLU-devel glew-devel ftgl-devel mysql-devel \
  fftw-devel cfitsio-devel graphviz-devel \
  avahi-compat-libdns_sd-devel openldap-devel python-devel \
  libxml2-devel gsl-devel

Install ROOT from source and compile with gcc8
  scl enable devtoolset-8 bash
  mkdir ROOT
  cd ROOT
  git clone --branch v6-24-00-patches https://github.com/root-project/root.git root_src    
  mkdir build  install
  cd build
  cmake3 -DCMAKE_INSTALL_PREFIX=../install  ../root_src      
  cmake3 --build .  -j8  --target install
  cd ..
  source install/bin/thisroot.sh 

Configure repositories

  sudo cat > /etc/yum.repos.d/xdaq.repo <<EOF
  [xdaq]
  name=XDAQ Software Core
  baseurl=http://xdaq.web.cern.ch/xdaq/repo/core/15/cc7/x86_64/RPMS/
  enabled=1
  gpgcheck=0
  [xdaq-worksuite]
  name=XDAQ Software worksuite
  baseurl=http://xdaq.web.cern.ch/xdaq/repo/worksuite/15/cc7/x86_64/RPMS/
  enabled=1
  gpgcheck=0
  [xdaq-updates]
  name=XDAQ Software xaas
  baseurl=http://xdaq.web.cern.ch/xdaq/repo/xaas/15/cc7/x86_64/RPMS/
  enabled=1
  gpgcheck=0
  EOF
  sudo cat > /etc/yum.repos.d/amc13-sw.repo <<EOF
  [cactus-amc13-base]
  name=CACTUS Project Software Repository for amc13 packages
  baseurl=http://cactus.web.cern.ch/cactus/release/amc13/1.2/centos7_x86_64/base/RPMS
  enabled=1
  gpgcheck=0
  EOF
  sudo cat > /etc/yum.repos.d/ipbus-sw.repo <<EOF
  [ipbus-sw-base]
  name=IPbus software repository
  baseurl=http://www.cern.ch/ipbus/sw/release/2.6/repos/centos7_x86_64/base/RPMS
  enabled=1
  gpgcheck=0
  [ipbus-sw-updates]
  name=IPbus software repository updates
  baseurl=http://www.cern.ch/ipbus/sw/release/2.6/repos/centos7_x86_64/updates/RPMS
  enabled=1
  gpgcheck=0
  EOF

Install cactus
  sudo yum install cactusboards-amc13-tools-1.2.14-0.centos7 cactusboards-amc13-amc13-1.2.14-0.centos7
  sudo yum install cactuscore-uhal-grammars cactuscore-uhal-uhal cactuscore-uhal-tests   cactuscore-uhal-pycohal cactuscore-uhal-gui cactuscore-uhal-tools cactuscore-controlhub cactusboards-amc13-amc13 cactusboards-amc13-tools pugixml-devel

Install XDAQ
  sudo yum group install cmsos_core cmsos_worksuite --skip-broken

Other packages
  sudo yum install e2fsprogs-devel libuuid-devel curlpp curlpp-devel.x86_64 freetype freetype-devel xorg-x11-fonts-75dpi libuuid-devel libcurl-devel  pugixml-devel boost boost-devel


Download POS and set environment
  mkdir TriDAS_lea
  cd TriDAS_lea
  scl enable devtoolset-8 bash
  git clone https://gitlab.cern.ch/cmspops/pos.git pixel
  cd pixel
  git checkout master     
  cd ..
  cp pixel/POSRelease/setenv.sh .
  cat > local.sh <<EOF
  export ROOTSYS=/home/cmspixel_centos7/internalhdd/ROOT/install
  export BUILD_HOME=/home/cmspixel_centos7/internalhdd/TriDAS_lea
  export POS_INSTALL_PATH=\$BUILD_HOME/local
  export POS_OUTPUT_DIRS=\$BUILD_HOME/pixel/PixelRun/Runs
  export POS_LOG_DIR=\$BUILD_HOME/pixel/PixelRun/Logs
  export PIXELCONFIGURATIONBASE=\$BUILD_HOME/Config
  EOF
  source setenv.sh

Download and compile FecSoftware 
  git clone https://gitlab.cern.ch/cmspos/FecSoftware.git FecSoftwareV3_0
  cd FecSoftwareV3_0
  make -j 8
  make install

Compile POS
  cd $BUILD_HOME/pixel
  make Set=pixel -j 8
  make install
  cd $BUILD_HOME/pixel/PixelRun
  mkdir Logs Runs

Note: I encountered compilation errors and had to add the line:
  #include <TSystem.h>
to these two header files:
  TriDAS_lea/pixel/PixelUtilities/PixelRootUtilities/include/PixelHistoThreadFrame.h
  TriDAS_lea/pixel/PixelUtilities/PixelRootUtilities/include/PixelHistoThreadFrameWithArgs.h


=== Installation of network card on Centos7 ===

get name of new network card
  bash
  ifconfig -a

gives **enp4s5** for this network card, yours could be different

create file 
  /etc/sysconfig/network-scripts/ifcfg-enp4s5 (choose the right name for your card)

with this content:

  HWADDR=90:E2:BA:F7:6B:F7
  TYPE=Ethernet
  PROXY_METHOD=none
  BROWSER_ONLY=no
  BOOTPROTO=none
  DEFROUTE=no
  IPV4_FAILURE_FATAL=no
  IPV6INIT=yes
  IPV6_AUTOCONF=yes
  IPV6_DEFROUTE=no
  IPV6_FAILURE_FATAL=no
  IPV6_ADDR_GEN_MODE=stable-privacy
  NAME="enp4s5"
  UUID=8c87de7c-ab31-3faa-8480-3c9571cad2af
  ONBOOT=yes
  AUTOCONNECT_PRIORITY=-999
  IPADDR=192.168.0.1
  PREFIX=23
  GATEWAY=192.168.0.1

(change the HWADDR, the NAME and the UUID to fit your network card)

restart the network service

  sudo systemctl restart network.service


check the ip address change

  ifconfig -a

the network card should now have the ip address 192.168.0.1 with the netmask 255.255.254.0

install the dhcp daemon and wireshark

  sudo yum install dhcpd wireshark


install the rarp daemon using the instructions from https://wiki.physik.uzh.ch/cms/nanocrate:nanocrate
  bash
  #!/bin/bash
  sudo wget http://download-ib01.fedoraproject.org/pub/epel/6/x86_64/Packages/r/rarpd-ss981107-42.el6.x86_64.rpm
  sudo yum install rarpd-ss981107-42.el6.x86_64.rpm
  cat <<EOF > /tmp/rarpd.service
  [Unit]
  Description=Reverse Address Resolution Protocol Requests Server
  Documentation=man.rarpd(8)
  Requires=network.target
  After=network.target
  [Service]
  Type=forking
  User=root
  #EnvironmentFile=/etc/sysconfig/rarpd
  ExecStart=/usr/sbin/rarpd -a -e -v
  [Install]
  WantedBy=multi-user.target
  EOF
  sudo cp /tmp/rarpd.service /etc/systemd/system
 
restart daemons and rarpdaemon
  
  sudo systemctl daemon-reload
  sudo systemctl restart rarpd

this script already is stored at **~/internalhdd/install_scripts/install_rarpd.sh**


copy the **/etc/hosts** and the **/etc/ethers** files from the old mtca PC

**/etc/hosts** contains:

  127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
  ::1         localhost localhost.localdomain localhost6 localhost6.localdomain6
  192.168.0.41 mch
  192.168.0.157 bpixamc13T1
  192.168.0.156 bpixamc13T2
  192.168.0.31 bpixtkfec
  192.168.0.32 bpixpxfec
  192.168.0.34 bpixfed1
  192.168.0.35 bpixfed2
  192.168.0.36 bpixfed3

only copy the lines starting with **192.168.0.**

**/etc/ethers** contains:

  # copied from old slc6 mtca PC 
  # see man ethers for syntax 
  # ETHERS for BPIX CRATE 
  # ##################### 
  08:00:30:F3:01:d7  bpixamc13T1 
  08:00:30:F3:01:97  bpixamc13T2 
  08:00:30:00:23:31  bpixtkfec 
  08:00:30:00:22:f2  bpixpxfec 
  08:00:30:00:23:1e  bpixfed1 
  08:00:30:00:23:34  bpixfed2 
  08:00:30:00:23:13  bpixfed4

copy all lines

try to ping the devices in the **/etc/hosts** file

  ping mch
  ping bpixamc13T1
  ping bpixamc13T2
  ping bpixtkfec
  ping bpixpxfec
  ping bpixfed1
  ping bpixfed2
  ping bpixfed3
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