initd version

board/qemu/x86_64/linux.config

@@ -0,0 +1,103 @@
+CONFIG_SYSVIPC=y
+CONFIG_POSIX_MQUEUE=y
+CONFIG_HIGH_RES_TIMERS=y
+CONFIG_BPF_SYSCALL=y
+CONFIG_BPF_JIT=y
+CONFIG_IKCONFIG=y
+CONFIG_IKCONFIG_PROC=y
+CONFIG_CGROUPS=y
+CONFIG_MEMCG=y
+CONFIG_BLK_CGROUP=y
+CONFIG_CGROUP_SCHED=y
+CONFIG_CFS_BANDWIDTH=y
+CONFIG_RT_GROUP_SCHED=y
+CONFIG_CGROUP_PIDS=y
+CONFIG_CGROUP_RDMA=y
+CONFIG_CGROUP_FREEZER=y
+CONFIG_CPUSETS=y
+CONFIG_CGROUP_DEVICE=y
+CONFIG_CGROUP_CPUACCT=y
+CONFIG_CGROUP_PERF=y
+CONFIG_CGROUP_BPF=y
+CONFIG_CGROUP_MISC=y
+CONFIG_USER_NS=y
+CONFIG_BLK_DEV_INITRD=y
+CONFIG_SMP=y
+CONFIG_HYPERVISOR_GUEST=y
+CONFIG_PARAVIRT=y
+CONFIG_PARAVIRT_SPINLOCKS=y
+# CONFIG_GCC_PLUGINS is not set
+CONFIG_MODULES=y
+CONFIG_MODULE_UNLOAD=y
+CONFIG_NET=y
+CONFIG_PACKET=y
+CONFIG_UNIX=y
+CONFIG_INET=y
+CONFIG_NETFILTER=y
+CONFIG_BRIDGE_NETFILTER=y
+CONFIG_NF_CONNTRACK=y
+CONFIG_NETFILTER_XT_MATCH_ADDRTYPE=y
+CONFIG_NETFILTER_XT_MATCH_CONNTRACK=y
+CONFIG_IP_NF_IPTABLES=y
+CONFIG_IP_NF_FILTER=y
+CONFIG_IP_NF_NAT=y
+CONFIG_IP_NF_TARGET_MASQUERADE=y
+CONFIG_IP_NF_RAW=y
+CONFIG_BRIDGE=y
+# CONFIG_WIRELESS is not set
+CONFIG_PCI=y
+CONFIG_DEVTMPFS=y
+CONFIG_DEVTMPFS_MOUNT=y
+CONFIG_BLK_DEV_LOOP=y
+CONFIG_BLK_DEV_DRBD=m
+CONFIG_BLK_DEV_RAM=y
+CONFIG_BLK_DEV_RAM_COUNT=1
+CONFIG_VIRTIO_BLK=y
+CONFIG_BLK_DEV_RBD=m
+CONFIG_BLK_DEV_NVME=y
+CONFIG_BLK_DEV_SD=y
+CONFIG_SCSI_VIRTIO=y
+CONFIG_ATA=y
+CONFIG_ATA_PIIX=y
+CONFIG_NETDEVICES=y
+CONFIG_VETH=y
+CONFIG_VIRTIO_NET=y
+CONFIG_NE2K_PCI=y
+CONFIG_8139CP=y
+# CONFIG_WLAN is not set
+CONFIG_INPUT_EVDEV=y
+CONFIG_SERIAL_8250=y
+CONFIG_SERIAL_8250_CONSOLE=y
+CONFIG_VIRTIO_CONSOLE=y
+CONFIG_HW_RANDOM_VIRTIO=m
+CONFIG_DRM=y
+CONFIG_DRM_QXL=y
+CONFIG_DRM_VIRTIO_GPU=y
+CONFIG_DRM_BOCHS=y
+CONFIG_SOUND=y
+CONFIG_SND=y
+CONFIG_SND_HDA_INTEL=y
+CONFIG_SND_HDA_GENERIC=y
+CONFIG_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_EHCI_HCD=y
+CONFIG_USB_UHCI_HCD=y
+CONFIG_USB_STORAGE=y
+CONFIG_VIRTIO_PCI=y
+CONFIG_VIRTIO_BALLOON=y
+CONFIG_VIRTIO_INPUT=y
+CONFIG_VIRTIO_MMIO=y
+CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES=y
+CONFIG_EXT4_FS=y
+CONFIG_FUSE_FS=y
+CONFIG_OVERLAY_FS=y
+CONFIG_OVERLAY_FS_INDEX=y
+CONFIG_OVERLAY_FS_XINO_AUTO=y
+CONFIG_OVERLAY_FS_METACOPY=y
+CONFIG_TMPFS=y
+CONFIG_TMPFS_POSIX_ACL=y
+CONFIG_SQUASHFS=y
+CONFIG_SQUASHFS_XATTR=y
+CONFIG_CRYPTO_DEFLATE=y
+CONFIG_UNWINDER_FRAME_POINTER=y
+

board/qemu/x86_64/post-build.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+set -u
+set -e
+
+# Add a console on tty1
+if [ -e ${TARGET_DIR}/etc/inittab ]; then
+    grep -qE '^tty1::' ${TARGET_DIR}/etc/inittab || \
+	sed -i '/GENERIC_SERIAL/a\
+tty1::respawn:/sbin/getty -L  tty1 0 vt100 # QEMU graphical window' ${TARGET_DIR}/etc/inittab
+fi

configs/nimux_x86_defconfig

@@ -0,0 +1,73 @@
+BR2_x86_64=y
+BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_6_12=y
+BR2_GLOBAL_PATCH_DIR="board/qemu/patches"
+#BR2_GLOBAL_PATCH_DIR="$(BR2_EXTERNAL_NIMUX_PATH)/patches"
+BR2_RELRO_PARTIAL=y
+BR2_FORTIFY_SOURCE_2=y
+BR2_TARGET_GENERIC_HOSTNAME="nimux"
+BR2_TARGET_GENERIC_ISSUE="Welcome to Nimux!"
+BR2_TARGET_GENERIC_PASSWD_SHA512=y
+BR2_TARGET_ROOTFS_CPIO=y
+BR2_TARGET_ROOTFS_CPIO_GZIP=y
+BR2_TARGET_ENABLE_ROOT_LOGIN=y
+BR2_TARGET_GENERIC_ROOT_PASSWD="hellotux"
+BR2_TARGET_ROOTFS_INITRAMFS=y
+BR2_TARGET_ROOTFS_ISO9660=y
+BR2_TARGET_ROOTFS_ISO9660_ISOLINUX=y
+BR2_TARGET_SYSLINUX=y
+BR2_TARGET_SYSLINUX_LEGACY_BIOS=y
+BR2_TARGET_SYSLINUX_ISOLINUX=y
+BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_EUDEV=y
+BR2_SYSTEM_BIN_SH_BASH=y
+BR2_SYSTEM_BIN_SH="bash"
+BR2_ENABLE_LOCALE_WHITELIST="C C.UTF-8 en_US en_US.UTF-8"
+BR2_GENERATE_LOCALE="C en_US"
+BR2_TARGET_TZ_INFO=y
+BR2_TARGET_LOCALTIME="Europe/Amsterdam"
+BR2_ROOTFS_OVERLAY="$(BR2_EXTERNAL_NIMUX_PATH)/rootfs-overlay"
+BR2_LINUX_KERNEL=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION=y
+BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE="6.12.27"
+BR2_LINUX_KERNEL_USE_CUSTOM_CONFIG=y
+BR2_LINUX_KERNEL_CUSTOM_CONFIG_FILE="$(BR2_EXTERNAL_NIMUX_PATH)/board/qemu/x86_64/linux.config"
+#BR2_LINUX_KERNEL_XZ=y
+#BR2_LINUX_KERNEL_NEEDS_HOST_OPENSSL=y
+BR2_LINUX_KERNEL_NEEDS_HOST_LIBELF=y
+BR2_PACKAGE_LINUX_TOOLS_CPUPOWER=y
+#BR2_PACKAGE_BUSYBOX_CONFIG="$(BR2_EXTERNAL_NIMUX_PATH)/board/pc/busybox.config"
+BR2_PACKAGE_BUSYBOX_SHOW_OTHERS=y
+BR2_PACKAGE_SQUASHFS=y
+BR2_PACKAGE_SQUASHFS_GZIP=y
+BR2_PACKAGE_SSHFS=y
+BR2_PACKAGE_ZFS=y
+BR2_PACKAGE_ACPID=y
+BR2_PACKAGE_EUDEV_RULES_GEN=y
+BR2_PACKAGE_HDPARM=y
+BR2_PACKAGE_HWDATA=y
+BR2_PACKAGE_HWDATA_IAB_OUI_TXT=y
+BR2_PACKAGE_CA_CERTIFICATES=y
+BR2_PACKAGE_LIBCURL=y
+BR2_PACKAGE_LIBCURL_CURL=y
+BR2_PACKAGE_LIBCAP=y
+BR2_PACKAGE_BRIDGE_UTILS=y
+BR2_PACKAGE_IFTOP=y
+BR2_PACKAGE_NTP=y
+BR2_PACKAGE_NANO=y
+BR2_PACKAGE_NANO_TINY=n
+BR2_PACKAGE_BASH=y
+BR2_PACKAGE_BASH_COMPLETION=y
+BR2_PACKAGE_INOTIFY_TOOLS=y
+BR2_PACKAGE_SUDO=y
+BR2_PACKAGE_CPULOAD=y
+BR2_PACKAGE_DOCKER_CLI=y
+BR2_PACKAGE_DOCKER_COMPOSE=y
+BR2_PACKAGE_DOCKER_ENGINE=y
+BR2_DOWNLOAD_FORCE_CHECK_HASHES=y
+BR2_SYSTEM_DHCP="eth0"
+BR2_ROOTFS_POST_BUILD_SCRIPT="board/qemu/x86_64/post-build.sh"
+#BR2_ROOTFS_POST_IMAGE_SCRIPT="board/qemu/post-image.sh"
+BR2_ROOTFS_POST_SCRIPT_ARGS="$(BR2_DEFCONFIG)"
+# BR2_TARGET_ROOTFS_EXT2=y
+# BR2_TARGET_ROOTFS_TAR is not set
+BR2_PACKAGE_HOST_QEMU=y
+BR2_PACKAGE_HOST_QEMU_SYSTEM_MODE=y

external.desc

@@ -0,0 +1,2 @@
+name: NIMUX
+desc: The custom buildroot overlay for nimux

external.mk

@@ -0,0 +1 @@
+include $(sort $(wildcard $(BR2_EXTERNAL_NIMUX_PATH)/package/*/*.mk))

rootfs-overlay/etc/fstab

@@ -0,0 +1,10 @@
+# <file system>  <mount pt>              <type>   <options>                                           <dump>  <pass>
+proc             /proc                   proc     defaults,nosuid,nodev,noexec                        0       0
+devpts           /dev/pts                devpts   defaults,nosuid,noexec,gid=5,mode=620,ptmxmode=000  0       0
+tmpfs            /dev/shm                tmpfs    nosuid,nodev,mode=0777                              0       0
+tmpfs            /tmp                    tmpfs    nosuid,nodev,mode=1777                              0       0
+tmpfs            /run                    tmpfs    nosuid,nodev,mode=0755                              0       0
+tmpfs            /mnt                    tmpfs    nosuid,nodev,mode=0755                              0       0
+tmpfs            /var/log                tmpfs    nosuid,nodev,mode=0775                              0       0
+sysfs            /sys                    sysfs    defaults,nosuid,nodev,noexec                        0       0
+cgroup2          /sys/fs/cgroup          cgroup2  defaults,nosuid,nodev,noexec                        0       0

rootfs-overlay/etc/inittab

@@ -0,0 +1,62 @@
+# /etc/inittab
+#
+# Copyright
+#
+# Note: BusyBox init doesn't support runlevels.  The runlevels field is
+# completely ignored by BusyBox init. If you want runlevels, use
+# sysvinit.
+
+# Format for each entry: <id>:<runlevels>:<action>:<process>
+#
+# id        == tty to run on, or empty for /dev/console
+# runlevels == ignored
+# action    == one of sysinit, respawn, askfirst, wait, and once
+# process   == program to run
+
+
+# Startup the system.
+
+::sysinit:/bin/mount /proc  # Lightwhale requires the pseudo file systems for setup-persistence...
+::sysinit:/bin/mount /sys   # ...and since the rootfs is already mounted in RAM at this point...
+::sysinit:/bin/mount /run   # ...we have /etc/fstab present which is used for mount options...
+::sysinit:/bin/mount /tmp   # ...so we are mounting them as intended.
+::sysinit:/bin/mount /mnt   # 
+::sysinit:/bin/mount /var/log 
+::sysinit:/bin/mount -t cgroup2 none /sys/fs/cgroup
+
+::sysinit:/bin/mkdir -p /dev/pts /dev/shm /run/lock /run/db  # Subdirs in pseudo file system required by init scripts.
+
+#::sysinit:/lib/lightwhale/rescue-shell
+#::sysinit:/lib/lightwhale/setup-persistence
+
+# create a read-only mapping of the rootfs 
+::sysinit:mkdir -p /mnt/root.squashfs
+::sysinit:mount --bind / /mnt/root.squashfs
+::sysinit:mount --make-rprivate /mnt/root.squashfs/
+
+# create overlay
+::sysinit:/usr/sbin/zpool import nimux-zfs
+::sysinit:/bin/mount -t overlay overlay-etc -o lowerdir=/mnt/root.squashfs/etc/,upperdir=/mnt/overlays/root/etc/upper,workdir=/mnt/overlays/root/etc/work /etc
+::sysinit:/bin/mount -t overlay overlay-home -o lowerdir=/mnt/root.squashfs/home/,upperdir=/mnt/overlays/root/home/upper,workdir=/mnt/overlays/root/home/work /home
+
+null::sysinit:/bin/ln -sf /proc/self/fd /dev/fd
+null::sysinit:/bin/ln -sf /proc/self/fd/0 /dev/stdin
+null::sysinit:/bin/ln -sf /proc/self/fd/1 /dev/stdout
+null::sysinit:/bin/ln -sf /proc/self/fd/2 /dev/stderr
+
+::sysinit:/bin/mount -a
+#::sysinit:/sbin/swapon -a
+::sysinit:/bin/hostname -F /etc/hostname   # Because a custom hostname may have been mounted at this point.
+
+# Now run all the lovely rc scripts.
+::sysinit:/etc/init.d/rcS
+
+# Put a getty on the serial port.
+tty1::respawn:/sbin/getty -L tty1 0 vt100        # First console
+tty2::respawn:/sbin/getty -L tty2 0 vt100        # Extra console, for good measure.
+console::respawn:/sbin/getty -L console 0 vt100 # Serial console, for headless QEMU.
+
+# Stuff to do before rebooting.
+::shutdown:/etc/init.d/rcK
+#::shutdown:/sbin/swapoff -a
+::shutdown:/bin/umount -a -r

rootfs-overlay/etc/modules-load.d/zfs.conf

@@ -0,0 +1 @@
+zfs

rootfs-overlay/etc/profile.d/editor.sh

@@ -0,0 +1,2 @@
+# change the default editor to nano
+export EDITOR='/bin/nano'

rootfs-overlay/etc/profile.d/prompt.sh

@@ -0,0 +1,8 @@
+# overrule the default prompt to make it more usefull
+if [ "$PS1" ]; then
+	if [ "`id -u`" -eq 0 ]; then
+		export PS1="\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]# "
+	else
+		export PS1="\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ "
+	fi
+fi