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This repository provides "chroot-tool", a simple tool designed for quick and easy chroots. We plan on using this to provide a RHEL5-compatibility environment for batch system jobs which require RHEL5, but the local site provides a RHEL6 host environment. The tool provides basic functionality using "yum", but a complete chroot will need additional supplements (such as bind mounts). We include example puppet manifests for both Condor and PBS sites. USE: To create an empty chroot with no installed files: chroot-tool create To install the base RPMs for RHEL5: chroot-tool install acl attr authconfig bc bind-utils bzip2 \ cyrus-sasl-plain lsof libcgroup quota rhel-instnum \ cpuspeed dos2unix m2crypto sssd nc prctl redhat-lsb \ setarch time tree unix2dos unzip wget which zip zlib That list is customized for our site; adjust for yours. To remove all world-writable directories and setuid binaries from the chroot, use the "secure" subcommand: chroot-tool secure To test out the resulting chroot, do the following: chroot /chroot/sl5 bash BUILDING: chroot-tool is a self-contained python script. However, to build it into an RPM, do the following: ./build_rpm CONFIGURAITON: There are basically two configuration decisions you must make. First, decide where to build the chroot in the filesystem; this is kept in /etc/chroot-tool/tool.cfg; the default is: root_dir = /chroot/sl5-v1 Second, you will need to decide what yum repositories to enable for the chroot (these are necessarily different from the system ones!). You can configure yum by editing the file /etc/chroot-tool/yum.conf
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Script for creating a RHEL5 chroot
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