README.build-RPMs-with-VMs
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README.build-RPMs-with-VMs
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			Steps to set up a virtual machine for building RPMs

			Configure a new virtual machine instance for each platform and distribution
			Tested KVM/QEMU settings:
			1 CPU, 2048 MB RAM, 10 GB disk image, VGA graphics, Core2duo CPU 32-bit/64-bit

			Install distribution via CD/DVD ISO image (netinstall version)
			- standard (non-LVM) partition layout, 2GB Swap only, 500MB /boot, rest /
			- choose "Minimal" installation

			Make sure the following additional packages (and dependencies) are installed

			+ on RedHat/Fedora/CentOS:
			vim-enhanced openssh-clients python tar screen
			yum-utils rpmdevtools rpm-build redhat-rpm-config createrepo
			git make gcc-c++ gcc-gfortran
			mpich2-devel openmpi-devel fftw-devel libjpeg-devel

			+ on OpenSuSE
			yast2-online-update-frontend
			vim-enhanced screen
			build rpm-build git-core python createrepo
			openmpi-devel libjpeg8-devel fftw3-devel gcc-fortran gcc-c++

			Create user 'rpmbuild' and set password.
			Log in and create ssh key pair and append the public key the .ssh/authorized_keys
			file of the repository account for automatic file transfer
			Setup a suitable $HOME/.rpmmacros file
			Run rpmdev-setuptree

			Edit $HOME/.bash_profile to set environment variables for depositing files
			MYRPM_REPO_HOST MYRPM_REPO_USER MYRPM_REPO_DIR

			Clone LAMMPS-ICMS tree via:
			git clone git://git.icms.temple.edu/lammps-icms.git lammps-icms

			Build and sync the RPMs to the repository with:
			cd lammps-icms;
			git pull
			./tools/rpm/build-rpm-from-git.sh
			./sync-to-repo.sh