add RPI image
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# Kickstart to build Rocky 8 image for Raspberry Pi 4 hardware (aarch64)
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#
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# Disk setup
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clearpart --initlabel --all
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part /boot --asprimary --fstype=vfat --size=300 --label=boot
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part swap --asprimary --fstype=swap --size=512 --label=swap
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part / --asprimary --fstype=ext4 --size=2800 --label=RPIROOT
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# Repos setup:
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url --url http://download.rockylinux.org/stg/rocky/9/BaseOS/aarch64/os/
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repo --name="BaseOS" --baseurl=http://download.rockylinux.org/stg/rocky/9/BaseOS/aarch64/os/ --cost=100
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repo --name="AppStream" --baseurl=http://download.rockylinux.org/stg/rocky/9/AppStream/aarch64/os/ --cost=200 --install
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repo --name="CRB" --baseurl=http://download.rockylinux.org/stg/rocky/9/CRB/aarch64/os/ --cost=300 --install
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# Rocky Rpi kernel repo, we need a more permanent place for this:
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repo --name="rockyrpi" --baseurl=https://download.rockylinux.org/stg/sig/9/altarch/aarch64/altarch-rockyrpi/ --cost=20
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repo --name="rockyextras" --baseurl=https://download.rockylinux.org/stg/rocky/9/extras/aarch64/os/ --cost=20
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# Install process:
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#text
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keyboard us --xlayouts=us --vckeymap=us
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rootpw --lock
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# FIXME user creation here does not work ?
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# user --name="rocky" --password="rockylinux" --plaintext --gecos="Rocky default user" --groups=wheel --uid=1000
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timezone --isUtc --nontp UTC
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selinux --enforcing
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firewall --enabled --port=22:tcp
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network --bootproto=dhcp --device=link --activate --onboot=on
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services --enabled=sshd,NetworkManager,chronyd,cpupower
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shutdown
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bootloader --location=none
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lang en_US.UTF-8
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skipx
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# Package selection:
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%packages
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@core
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#-grub2-tools-minimal
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#-grub2-tools
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#-grubby
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#-grub2-common
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chrony
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cloud-utils-growpart
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net-tools
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NetworkManager-wifi
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vim
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bash-completion
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nano
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kernel-tools
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# Need these for setting default locale of en-US:
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langpacks-en
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glibc-all-langpacks
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# will enable rocky-release-rpi after full 9 release (and we have it in the -extras repo)
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rocky-release-rpi
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raspberrypi2-firmware
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raspberrypi2-kernel4
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%end
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# Post install scripts:
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%post
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# Write initial boot line to cmdline.txt (we will update the root partuuid further down)
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cat > /boot/cmdline.txt << EOF
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console=ttyAMA0,115200 console=tty1 root= rootfstype=ext4 elevator=deadline rootwait
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EOF
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# Apparently kickstart user was not working, attempt to do it here?
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/sbin/useradd -c "Rocky Linux default user" -G wheel -m -U rocky
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echo "rockylinux" | passwd --stdin rocky
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# Need to write several files to help with various things here.
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# First, the all-important README :
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cat >/home/rocky/README << EOF
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== Rocky 9 Raspberry Pi Image ==
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This is a Rocky 9 install intended for Raspberry Pi 3b and 4 devices (architecture is aarch64).
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This image WILL NOT WORK on a Raspberry Pi 1 or 2 (1.1 or earlier), we are 64-bit only, and have no support for 32-bit ARM processors. Sorry :-/.
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The newer Pi Zero devices should be supported, as well as the Raspberry Pi 2 version 1.2 boards, which are 64-bit
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IMAGE NOTES / DIFFERENCES FROM STOCK ROCKY 8:
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- Based on Rocky Linux 9, points to production Rocky 9 aarch64 repositories
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- Includes script that fixes the wifi. Simple edit of a txt firmware settings file. Will need to be run whenever linux-firmware gets upgraded
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- Includes @minimal-install , plus a few quality of life packages like vim, bash-completion, etc.
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- Initial User "rocky" (default password: "rockylinux"). Root password disabled, rocky user is a sudoer
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- Partitions are 300 MB /boot , 512 MB swap, 2800 MB rootfs. Requires a 4 GB or larger storage device to serve as your disk
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GROW YOUR PARTITION:
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If you want to automatically resize your root (/ ) partition, just type the following (as root user):
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sudo rootfs-expand
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It should fill your main rootfs partition to the end of the disk.
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Thanks for your interest on Rocky-on-Rpi, feel free to share your experience or contribute in our chat channel at: https://chat.rockylinux.org/rocky-linux/channels/altarch !
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-The Rocky Linux Team
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EOF
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# Run the fix-wifi script (extracts the .xz firmware) - should be installed via the rocky-release-rpi package
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# (shouldn't be needed anymore - fixed in newer rpi kernel builds)
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#fix-wifi-rpi.sh
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# Cleanup before shipping an image
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# Remove ifcfg-link on pre generated images
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rm -f /etc/sysconfig/network-scripts/ifcfg-link
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# Remove machine-id on pre generated images
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rm -f /etc/machine-id
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touch /etc/machine-id
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# Ensure no ssh keys are present
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rm -f "/etc/ssh/*_key*"
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# Clean yum cache
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yum clean all
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# Fix weird sssd bug, where it gets its folder owned by the unbound user:
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chown -R sssd:sssd /var/lib/sss/{db,pipes,mc,pubconf,gpo_cache}
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# Setting tuned profile to powersave by default -> sets the CPU governor to "ondemand". This prevents overheating issues
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cat > /etc/sysconfig/cpupower << EOF
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# See 'cpupower help' and cpupower(1) for more info
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CPUPOWER_START_OPTS="frequency-set -g ondemand"
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CPUPOWER_STOP_OPTS="frequency-set -g ondemand"
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EOF
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%end
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# Add the PARTUUID of the rootfs partition to the kernel command line
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# We must do this *outside* of the chroot, by grabbing the UUID of the loopmounted rootfs
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%post --nochroot
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# Extract the UUID of the rootfs partition from /etc/fstab
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UUID_ROOTFS="$(/bin/cat $INSTALL_ROOT/etc/fstab | \
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/bin/awk -F'[ =]' '/\/ / {print $2}')"
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# Get the PARTUUID of the rootfs partition
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PART_UUID_ROOTFS="$(/sbin/blkid "$(/sbin/blkid --uuid $UUID_ROOTFS)" | \
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/bin/awk '{print $NF}' | /bin/tr -d '"' )"
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# Configure the kernel commandline
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/bin/sed -i "s/root= /root=${PART_UUID_ROOTFS} /" $INSTALL_ROOT/boot/cmdline.txt
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echo "cmdline.txt looks like this, please review:"
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/bin/cat $INSTALL_ROOT/boot/cmdline.txt
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# Extract UUID of swap partition:
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UUID_SWAP=$(/bin/grep 'swap' $INSTALL_ROOT/etc/fstab | awk '{print $1}' | awk -F '=' '{print $2}')
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# Fix swap partition: ensure page size is 4096 (differs on the aarch64 AWS build host)
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/usr/sbin/mkswap -L "_swap" -p 4096 -U "${UUID_SWAP}" /dev/disk/by-uuid/${UUID_SWAP}
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%end
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%post
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# WiFi fix on Pi 3 Model B(image wont boot on Pi 3B w/o this fix)
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cd /lib/firmware/brcm
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xz -d -k brcmfmac43430-sdio.raspberrypi,3-model-b.txt.xz
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%end
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