Copy readme template

sd-ran/sdran-install-scripts/README.md

+## Minimum hardware requirements for OAI CN5G and OAI gNB
+    1. Operating System: Ubuntu 20.04.5 LTS
+    3. CPU: 8 cores x86_64 @ 3.5 GHz
+    2. RAM: 32 GB
+
+## Minimum hardware requirements for OAI UE
+    1. CPU: 4 cores x86_64
+    2. RAM: 8 GB
+    
+## 5G Core Installation
+### The following steps can be executed by the file oai_5g_core_install.sh
+    1. First step is to download docker, docker-compose, git and network tools. 
+    2. Following you need to download wireshark
+        A. sudo add-apt-repository ppa:wireshark-dev/stable
+        B. sudo apt update
+        C. sudo apt install wireshark
+    3. Git clone the 5GC
+        A. git clone --branch v1.4.0 https://gitlab.eurecom.fr/oai/cn5g/oai-cn5g-fed.git
+        B. Configuration of the packet forwarding
+            - sudo sysctl net.ipv4.conf.all.forwarding=1
+            - sudo iptables -P FORWARD ACCEPT
+    4. Pulling the images from Docker Hub
+        A. docker pull oaisoftwarealliance/oai-amf:v1.4.0
+        B. docker pull oaisoftwarealliance/oai-nrf:v1.4.0
+        C. docker pull oaisoftwarealliance/oai-smf:v1.4.0 
+        D. docker pull oaisoftwarealliance/oai-spgwu-tiny:v1.4.0
+        E. docker pull oaisoftwarealliance/oai-udr:v1.4.0
+        F. docker pull oaisoftwarealliance/oai-udm:v1.4.0
+        G. docker pull oaisoftwarealliance/oai-ausf:v1.4.0
+        H. docker pull oaisoftwarealliance/oai-upf-vpp:v1.4.0
+        I. docker pull oaisoftwarealliance/oai-nssf:v1.4.0
+        J. docker pull oaisoftwarealliance/trf-gen-cn5g:latest
+    5. Tag docker images
+        A. docker image tag oaisoftwarealliance/oai-amf:v1.4.0 oai-amf:v1.4.0
+        B. docker image tag oaisoftwarealliance/oai-nrf:v1.4.0 oai-nrf:v1.4.0
+        C. docker image tag oaisoftwarealliance/oai-smf:v1.4.0 oai-smf:v1.4.0
+        D. docker image tag oaisoftwarealliance/oai-spgwu-tiny:v1.4.0 oai-spgwu-tiny:v1.4.0
+        E. docker image tag oaisoftwarealliance/oai-udr:v1.4.0 oai-udr:v1.4.0
+        F. docker image tag oaisoftwarealliance/oai-udm:v1.4.0 oai-udm:v1.4.0
+        G. docker image tag oaisoftwarealliance/oai-ausf:v1.4.0 oai-ausf:v1.4.0
+        H. docker image tag oaisoftwarealliance/oai-upf-vpp:v1.4.0 oai-upf-vpp:v1.4.0
+        I. docker image tag oaisoftwarealliance/oai-nssf:v1.4.0 oai-nssf:v1.4.0
+        J. docker image tag oaisoftwarealliance/trf-gen-cn5g:latest trf-gen-cn5g:latest
+    6. Synchronizing the tutorials
+        A. Change the directory for ~/oai-cn5g-fed/
+        B. ./scripts/syncComponents.sh
+        C. git submodule deinit --all --force
+        D. git submodule init
+        F. git submodule update        
+    7. Configure the bridge before deploying 5GC.
+        A. docker network create \ --driver=bridge \ --subnet=192.168.70.128/26 \ -o "com.docker.network.bridge.name"="demo-oai" \ demo-oai-public-net
+    8. Deploy the 5GC
+        A. Change the directory for ~/oai-cn5g-fed/docker-compose
+        B. python3 core-network.py --type start-basic --scenario 1
+
+## FlexRIC, gNB and UE Installation
+### The following steps can be executed by the file flexRIC_oai_gNB_install.sh
+    1. Install the following dependencies
+        A. sudo apt-get install autotools-dev
+        B. sudo apt-get install automake
+        C. sudo apt-get install libpcre2-dev
+        D. sudo apt-get install pcre2-utils
+        E. sudo apt-get install bison
+        F. sudo apt-get install byacc
+        G. sudo apt install g++
+        H. sudo apt install libsctp-dev python3.8 cmake-curses-gui libpcre2-dev python3-dev    
+    2. Configure swig
+        A. git clone https://github.com/swig/swig.git 
+        B. cd path_to_swig
+        C. ./autogen.sh
+        D. ./configure --prefix=/usr/
+        E. sudo make
+        F. sudo make install
+    3. Install FlexRIC
+        A. git clone https://gitlab.eurecom.fr/mosaic5g/flexric.git ~/flexric
+        B. cd path_to_flexric
+        C. git checkout v1.0.0
+        D. mkdir build
+        E. cd build
+        F. sudo cmake ..
+        G. sudo make
+        H. sudo make install
+    4. Install dependencies for OpenAirInterface 5G
+        A. sudo add-apt-repository ppa:ettusresearch/uhd -y
+        B. sudo apt-get update -y
+        C. sudo apt-get install libuhd-dev uhd-host -y
+        D. sudo apt-get install libuhd4.2.0 -y
+        E. sudo dpkg -i --force-overwrite /var/cache/apt/archives/libuhd4.2.0_4.2.0.1-0ubuntu1~focal1_amd64.deb
+    5. Download the OpenAirInterface 5G repository 
+        A. git clone https://gitlab.eurecom.fr/oai/openairinterface5g.git oai
+    6. Change the openairinterface 5G branch for 2022.41
+        A. cd oai/
+        B. git checkout 2022.41
+    7. Apply FlexRIC patch
+        A. git am <pathtoflexricsrc>/flexric/multiRAT/oai/oai.patch --whitespace=nowarn
+    8. Download the OAI configuration files (CU/DU, OAI UE, and gNB configuration)
+        A. sudo wget -O ~/oai/executables/nr-softmodem.c https://projetos.imd.ufrn.br/reginalab/sdran-openairinterface/-/raw/main/OpenAirInterface/OpenAirInterface-Conf/nr-softmodem.c?inline=false
+        B. sudo wget -O ~/oai/ci-scripts/conf_files/gNB_SA_CU.conf https://projetos.imd.ufrn.br/reginalab/sdran-openairinterface/-/raw/main/OpenAirInterface/OpenAirInterface-Conf/gNB_SA_CU.conf?inline=false
+        C. sudo wget -O ~/oai/ci-scripts/conf_files/gNB_SA_DU.conf https://projetos.imd.ufrn.br/reginalab/sdran-openairinterface/-/raw/main/OpenAirInterface/OpenAirInterface-Conf/gNB_SA_DU.conf?inline=false
+        D. sudo wget -O ~/oai/targets/PROJECTS/GENERIC-NR-5GC/CONF/ue.conf https://projetos.imd.ufrn.br/reginalab/sdran-openairinterface/-/raw/main/OpenAirInterface/OpenAirInterface-Conf/ue.conf?inline=false
+
+    9. Install the gNB and UE
+        A. source oaienv
+        B. cd cmake_targets
+        C. ./build_oai -I -w USRP -i  #For OAI first time installation. it will install some dependencies
+        D. ./build_oai --gNB --nrUE -c -C -w USRP --ninja --build-lib all
+