Alpine Linux Internals: Advanced Administration, Optimization, and Security for Power Users - Tapa blanda

Alpine Linux Internals (Paperback)

Paperback. Condición: new. Paperback. Purpose-built for administrators, SREs, and platform engineers, this book reveals how Alpine's minimalism and KISS philosophy translate into real operational advantages-and trade-offs. It demystifies the musl libc toolchain, BusyBox userland, and OpenRC init system, showing how their design choices affect ABI compatibility, service orchestration, and day-to-day reliability. From filesystem layout and overlay semantics to repository strategy and default hardening flags, you'll gain a rigorous understanding of how Alpine works under the hood so you can run leaner, safer systems with confidence. You'll move methodically from boot and initramfs internals to diskless deployments, mastering mkinitfs hooks, modloop, apkovl persistence, and remote rescue patterns. A deep dive into apk and the Alpine build system covers database anatomy, signing, advanced package workflows, APKBUILD best practices, subpackages and triggers, and reproducible CI pipelines. Kernel and hardware management span storage stacks, device discovery with mdevd, power and microcode stewardship, and filesystems from ext4 to ZFS considerations. Networking and services are treated in production detail-ifupdown-ng, IPv6/SLAAC, nftables, policy routing, VPN stacks, OpenRC supervise-daemon, logging, and HA. Modern workloads get equal focus: OCI runtimes, rootless containers, Kubernetes and k3s nuances, minimal chroots, and microVMs with Firecracker. Security and operations are woven through every chapter: baseline OS hardening, doas and PAM on musl, AppArmor policy authoring, capability drops, seccomp profiles, SSH constraints, full-disk encryption with LUKS2 and remote unlock, and rigorous supply-chain trust with SBOMs and provenance. Observability and recovery include structured logging, metrics, bpftrace/perf profiling, musl-aware crash forensics, and resilient service supervision. Performance engineering is treated as a discipline-CPU and scheduler tuning, network steering, I/O schedulers, allocator choices, and build-time optimizations-while the final chapters equip you to operate Alpine at scale with automated installs, custom images, private mirrors, staged upgrades, configuration management, compliance baselines, and reference architectures. The result is a pragmatic, end-to-end field guide to building, hardening, and running Alpine systems at any scale. This item is printed on demand. Shipping may be from our UK warehouse or from our Australian or US warehouses, depending on stock availability. Nº de ref. del artículo: 9798298337298

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