+* Your host need to meet the requirements for Yocto, please refer to:
+
+ * `Compatible Linux Distribution`_
+ * `Supported Linux Distributions`_
+ * `Required Packages for the Build Host`_
+
+The recommended and tested host is Ubuntu 16.04/18.04 and CentOS 7.
+
+* To install the required packages for Ubuntu 16.04/18.04:
+
+.. _`Compatible Linux Distribution`: https://www.yoctoproject.org/docs/2.6.3/brief-yoctoprojectqs/brief-yoctoprojectqs.html#brief-compatible-distro
+.. _`Supported Linux Distributions`: https://www.yoctoproject.org/docs/2.6.3/ref-manual/ref-manual.html#detailed-supported-distros
+.. _`Required Packages for the Build Host`: https://www.yoctoproject.org/docs/2.6.3/ref-manual/ref-manual.html#required-packages-for-the-build-host
+
+::
+
+ $ sudo apt-get install gawk wget git-core diffstat unzip texinfo gcc-multilib \
+ build-essential chrpath socat cpio python python3 python3-pip python3-pexpect \
+ xz-utils debianutils iputils-ping make xsltproc docbook-utils fop dblatex xmlto \
+ python-git
+
+* To install the required packages for CentOS 7:
+
+::
+
+ $ sudo yum install -y epel-release
+ $ sudo yum makecache
+ $ sudo yum install gawk make wget tar bzip2 gzip python unzip perl patch \
+ diffutils diffstat git cpp gcc gcc-c++ glibc-devel texinfo chrpath socat \
+ perl-Data-Dumper perl-Text-ParseWords perl-Thread-Queue perl-Digest-SHA \
+ python34-pip xz which SDL-devel xterm
+
+2. Use wrapper script build_inf.sh to setup build env and build the INF AIO x86 image
+-------------------------------------------------------------------------------------
+
+::
+
+ # Get the wrapper script with either curl or wget
+ $ curl -o build_inf.sh 'https://gerrit.o-ran-sc.org/r/gitweb?p=pti/rtp.git;a=blob_plain;f=scripts/build_inf.sh;hb=HEAD'
+ $ wget -O build_inf.sh 'https://gerrit.o-ran-sc.org/r/gitweb?p=pti/rtp.git;a=blob_plain;f=scripts/build_inf.sh;hb=HEAD'
+
+ $ chmod +x build_inf.sh
+ $ WORKSPACE=/path/to/workspace
+ $ ./build_inf.sh -w ${WORKSPACE}
+
+If all go well, you will get the ISO image in:
+${WORKSPACE}/prj_oran_inf_anaconda/tmp-glibc/deploy/images/intel-corei7-64/inf-image-aio-installer-intel-corei7-64.iso