Initial commit
kickstart, launcher script, and readme
This commit is contained in:
Skip Grube
commit
66197bde60
60
readme.txt
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readme.txt
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Skip's Rocky 9 i686 experiment
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###############################
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Background
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###########
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Simple project, simple goal: Get Rocky 9 latest booting and working on i686 (32 bit) hardware. Why? Because we can. And it's fun!
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Almost everything we need is already present in the distro. The Rocky project needs to build the vast majority of itself as i686 anyway, to satisfy multilib requirements.
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Fortunately thanks to excellent publication and repo management, an almost-complete i686 distro is ready-published in the "devel" repository: https://dl.rockylinux.org/pub/rocky/9/devel/i686/
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It won't have everything (Lots of GUI programs like Firefox are missing), but certainly enough to make a functional system
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Only one (big) piece is missing: the kernel. The RHEL/Rocky kernel build is unsuitable for this, having patches on top of patches with a tricky build process.
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Fortunately, there is a much cleaner kernel RPM courtesy of ELRepo (elrepo.org). A set of i686 kernel RPMS was built from the kernel-lt 6.1.x base in short order, and they seem to work!
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Combining these i686 kernel RPMs with the Rocky 9 devel/ i686 repository gives everything you need for a bootable system. Kickstart and livemedia-creator means a rudimentary image is currently prototyped and available.
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Where to Download
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##############
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QCow2 image: https://skiprocky.linuxdn.org/Rocky9_i686/
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DNF i686 kernel repo: https://skiprocky.linuxdn.org/Rocky9_i686/kernel_repo/
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Kickstart + scripts for image create: https://git.resf.org/skip/rocky-i686
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kernel sources (elrepo fork): https://git.resf.org/skip/kernel-lt
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Rocky 9 i686 devel (userspace packages): https://dl.rockylinux.org/pub/rocky/9/devel/i686/
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Image Info
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###########
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Login:
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root : Rockyi686Test
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Recommend you change it.
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Cloud-init:
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Is available and setup by default. If you have means of triggering it, additional users/auth methods could be set up upon boot
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Write disk to physical drive or USB:
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qemu-img convert -f qcow2 -O raw rocky9_i686.qcow2 /dev/sdb
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(IMPORTANT: make sure "/dev/sdb" is your target device! Don't overwrite your main system's drive!)
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Expand disk to fill hard drive:
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growpart /dev/sda 2
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resize2fs /dev/sda2
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(This assumes "/dev/sda" is the drive in the installed system. It could be different - check with blkid)
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Building the image:
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Run ./rocky9_i686_build.sh with administrator privileges. You will need to update the script - point to a valid Rocky 9 boot iso (stock iso is fine).
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You also need qemu-kvm and livemedia-creator (lorax) installed
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241
rocky9_i686.ks
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rocky9_i686.ks
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lang en_US.UTF-8
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keyboard us
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timezone --utc UTC
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# Disk
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bootloader --append="no_timer_check net.ifnames=0" --location=mbr --timeout=5
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auth --enableshadow --passalgo=sha512
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selinux --permissive
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firewall --enabled --service=ssh
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firstboot --disable
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# Network information
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network --bootproto=dhcp --device=link --activate --onboot=on
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# Root password
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services --disabled="kdump,rhsmcertd" --enabled="NetworkManager,sshd,rsyslog,chronyd,cloud-init,cloud-init-local,cloud-config,cloud-final,rngd"
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# DEBUG :: set root password static for now
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rootpw Rockyi686Test
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shutdown
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##
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##
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%pre
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# Set up storage
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(
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# Clear the Master Boot Record
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dd if=/dev/zero of=/dev/sda bs=512 count=1
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# Create a new GPT partition table
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parted /dev/sda mklabel msdos
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# Create a partition for /boot
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parted /dev/sda mkpart primary ext4 1MiB 1000MiB
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parted /dev/sda set 1 boot on
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# Create for /
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parted /dev/sda mkpart primary ext4 1000MiB 9000MiB
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) &> /tmp/storage_setup.log
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%end
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###
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###
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part /boot --fstype="ext4" --label=boot --size=1000 --onpart="sda1"
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part / --size=8000 --fstype="ext4" --onpart="sda2"
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###
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###
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url --url=https://skiprocky.linuxdn.org/Rocky9_i686/kernel_repo/
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repo --name=Rocky9_Kernel_i686 --cost=20 --baseurl=https://skiprocky.linuxdn.org/Rocky9_i686/kernel_repo/
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repo --name=Rocky9_i686 --cost=200 --baseurl=http://dl.rockylinux.org/pub/rocky/9/devel/i686/os/
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###
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###
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%packages --nocore
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# @Core group (no groupinfo in i686 devel, have to list it out here):
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audit
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basesystem
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bash
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coreutils
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cronie
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crypto-policies
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crypto-policies-scripts
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curl
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dnf
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e2fsprogs
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filesystem
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firewalld
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glibc
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grubby
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hostname
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iproute
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iproute-tc
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iputils
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irqbalance
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kbd
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kexec-tools
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less
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logrotate
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man-db
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ncurses
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openssh-clients
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openssh-server
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p11-kit
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parted
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passwd
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policycoreutils
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procps-ng
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rootfiles
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rpm
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rpm-plugin-audit
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rsyslog
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selinux-policy-targeted
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setup
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shadow-utils
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sssd-common
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sssd-kcm
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sudo
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systemd
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util-linux
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vim-minimal
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xfsprogs
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yum
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NetworkManager
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NetworkManager-team
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NetworkManager-tui
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authselect
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dnf-plugins-core
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dracut-config-rescue
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initscripts-rename-device
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iwl100-firmware
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iwl1000-firmware
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iwl105-firmware
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iwl135-firmware
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iwl2000-firmware
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iwl2030-firmware
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iwl3160-firmware
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iwl5000-firmware
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iwl5150-firmware
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iwl6000g2a-firmware
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iwl6050-firmware
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iwl7260-firmware
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libsysfs
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linux-firmware
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lshw
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lsscsi
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microcode_ctl
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#prefixdevname
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python3-libselinux
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sg3_utils
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sg3_utils-libs
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# Other core packages needed:
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rocky-release
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dnf
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yum
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nfs-utils
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dnf-utils
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hostname
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# Extra goodies from stock GenericCloud image:
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cloud-init
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cloud-utils-growpart
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python3-jsonschema
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dracut-config-generic
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firewalld
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tar
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tcpdump
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rsync
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rng-tools
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cockpit-ws
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cockpit-system
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#qemu-guest-agent
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virt-what
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# i686 specific kernel and bootloaders:
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kernel-lt
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kernel-lt-core
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kernel-lt-modules
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kernel-lt-modules-extra
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grub2-pc
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grub2-pc-modules
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grub2-tools
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grub2-tools-extra
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# Other
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glibc-langpack-en
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glibc-all-langpacks
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tmux
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bash-completion
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wget
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%end
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###
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###
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%post --erroronfail
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# Ensure legacy BIOS is installed properly (this is i686, no UEFI here)
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grub2-install --target=i386-pc /dev/sda
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grubby --update-kernel=ALL --remove-args " crashkernel=1G-4G:192M,4G-64G:256M,64G-:512M" --args="console=ttyS0,115200 forcepae"
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# setup systemd to boot to the right runlevel
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rm -f /etc/systemd/system/default.target
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ln -s /lib/systemd/system/multi-user.target /etc/systemd/system/default.target
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# generic localhost names
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cat > /etc/hosts << EOF
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127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
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::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
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EOF
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echo "Fixing SELinux contexts."
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touch /var/log/cron
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touch /var/log/boot.log
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mkdir -p /var/cache/yum
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/usr/sbin/fixfiles -R -a restore
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rm -f /var/lib/systemd/random-seed
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cat /dev/null > /etc/machine-id
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%end
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###
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%post --erroronfail
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# Set up repos to only point to i686-kernel and i686 Rocky devel:
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sed -i 's/enabled=1/# Disabling repo due to i686-only system\nenabled=0/' /etc/yum.repos.d/*.repo
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cat <<EOF > /etc/yum.repos.d/Rocky9_i686.repo
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# Skips i686 Rocky kernel (adapted from ELRepo)
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[kernel-i686]
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name=kernel-i686
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baseurl=https://skiprocky.linuxdn.org/Rocky9_i686/kernel_repo/
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priority=20
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gpgcheck=0
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enabled=1
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# Rocky 9 "devel" repo has all i686 packages needed in userspace
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[Rocky9-i686]
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name=Rocky9-i686
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baseurl=https://dl.rockylinux.org/pub/rocky/9/devel/i686/os/
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gpgcheck=1
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gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-Rocky-9
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enabled=1
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EOF
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# Set up swapfile:
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dd if=/dev/zero of=/var/swap.img bs=10M count=150
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mkswap /var/swap.img
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chmod 0600 /var/swap.img
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echo "/var/swap.img none swap defaults 0 0" >> /etc/fstab
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%end
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20
rocky9_i686_build.sh
Executable file
20
rocky9_i686_build.sh
Executable file
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#!/bin/bash
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# Change ROCKYISO to a proper Rocky 9 boot iso path - it will launch and run Anaconda
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# can connect via VNC to localhost:5931 to examine the system as it builds
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# This should be run as root/sudo. Log output goes in the current dir, image goes in ./rocky9_i686_image/
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rm -rf $(pwd)/rocky9_i686_image
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rm -f $(pwd)/*.log
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ROCKYISO=/root/Rocky-9-latest-x86_64-boot.iso
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livemedia-creator \
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--ks ./rocky9_i686.ks \
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--resultdir $(pwd)/rocky9_i686_image \
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--project "Rocky 9 i686" \
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--make-disk --qcow2 --image-type qcow2 \
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--iso ${ROCKYISO} \
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--vnc="vnc=127.0.0.1:31" --ram 4096 --vcpus 2 \
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--image-name "rocky9_i686.qcow2"
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