Security hardening: bind kubeconfig server to localhost, mount hardening (noexec/nosuid/nodev on tmpfs), sysctl network hardening, kernel module loading lock after boot, SHA256 checksum verification for downloads, kernel AppArmor + Audit support, complain-mode AppArmor profiles for containerd and kubelet, and security integration test. ARM64 Raspberry Pi support: piCore64 base extraction, RPi kernel build from raspberrypi/linux fork, RPi firmware fetch, SD card image with 4- partition GPT and tryboot A/B mechanism, BootEnv Go interface abstracting GRUB vs RPi boot environments, architecture-aware build scripts, QEMU aarch64 dev VM and boot test. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
70 lines
1.4 KiB
Plaintext
70 lines
1.4 KiB
Plaintext
# KubeSolo OS — Raspberry Pi kernel config overrides
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# Applied on top of bcm2711_defconfig (Pi 4) or bcm2712_defconfig (Pi 5)
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# These ensure container runtime support is enabled.
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# cgroup v2 (mandatory for containerd/runc)
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CONFIG_CGROUPS=y
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CONFIG_CGROUP_CPUACCT=y
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CONFIG_CGROUP_DEVICE=y
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CONFIG_CGROUP_FREEZER=y
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CONFIG_CGROUP_SCHED=y
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CONFIG_CGROUP_PIDS=y
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CONFIG_MEMCG=y
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CONFIG_CGROUP_BPF=y
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CONFIG_CFS_BANDWIDTH=y
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# BPF (required for cgroup v2 device control)
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CONFIG_BPF=y
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CONFIG_BPF_SYSCALL=y
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# Namespaces (mandatory for containers)
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CONFIG_NAMESPACES=y
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CONFIG_NET_NS=y
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CONFIG_PID_NS=y
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CONFIG_USER_NS=y
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CONFIG_UTS_NS=y
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CONFIG_IPC_NS=y
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# Device management
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CONFIG_DEVTMPFS=y
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CONFIG_DEVTMPFS_MOUNT=y
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# Filesystem
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CONFIG_OVERLAY_FS=y
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CONFIG_SQUASHFS=y
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CONFIG_EXT4_FS=y
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CONFIG_VFAT_FS=y
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# Networking
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CONFIG_BRIDGE=m
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CONFIG_NETFILTER=y
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CONFIG_NF_CONNTRACK=m
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CONFIG_NF_NAT=m
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CONFIG_NF_TABLES=m
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CONFIG_VETH=m
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CONFIG_VXLAN=m
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# Security: AppArmor + Audit
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CONFIG_AUDIT=y
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CONFIG_AUDITSYSCALL=y
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CONFIG_SECURITY=y
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CONFIG_SECURITYFS=y
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CONFIG_SECURITY_NETWORK=y
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CONFIG_SECURITY_APPARMOR=y
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CONFIG_DEFAULT_SECURITY_APPARMOR=y
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# Security: seccomp
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CONFIG_SECCOMP=y
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CONFIG_SECCOMP_FILTER=y
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# Crypto (image verification)
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CONFIG_CRYPTO_SHA256=y
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# Disable unnecessary subsystems for edge appliance
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# CONFIG_SOUND is not set
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# CONFIG_DRM is not set
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# CONFIG_MEDIA_SUPPORT is not set
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# CONFIG_WIRELESS is not set
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# CONFIG_BT is not set
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# CONFIG_NFC is not set
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