+2. How to build the INF project
+*******************************
+
+2.1 How to build the CentOS based image
+---------------------------------------
+
+2.1.1 Prerequisite for CentOS build environment
++++++++++++++++++++++++++++++++++++++++++++++++
+TBD
+
+2.1.2 Use wrapper script build_inf_centos.sh to setup build the CentOS based image
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+::
+
+ # Get the wrapper script with either curl or wget
+ $ curl -o build_inf_centos.sh 'https://gerrit.o-ran-sc.org/r/gitweb?p=pti/rtp.git;a=blob_plain;f=scripts/build_inf_centos/build_inf_centos.sh;hb=HEAD'
+ $ wget -O build_inf_centos.sh 'https://gerrit.o-ran-sc.org/r/gitweb?p=pti/rtp.git;a=blob_plain;f=scripts/build_inf_centos/build_inf_centos.sh;hb=HEAD'
+
+ $ chmod +x build_inf_centos.sh
+ $ WORKSPACE=/path/to/workspace
+ $ ./build_inf_centos.sh -w ${WORKSPACE}
+
+If all go well, you will get the ISO image in:
+${WORKSPACE}/prj_output/inf-image-centos-all-x86-64.iso
+
+
+2.2 How to build the Yocto based image
+--------------------------------------