Book Cover - Book Review: Unix and Linux System Administration Handbook, 5th Edition

Authors did a remarkable job of condensing in a single (massive) book all topics of interest for a system administrator using the 20/80 rule. The book summaries what you need to know to perform daily tasks (for example the most useful option combinations of commands), using crystal-clear, short, opinionated, and pertinent explanations.

This book is divided into four large parts (books of their own): Basic Administration (run a standalone system), Networking (DNS, email, SSO), Storage (file systems to manage data), and Operations (topics faced on a daily basis such as monitoring, security, performance). As an handbook, you do not have to read the book cover to cover (I did it over the last month and I was surprised a book full of commands can keep my interest alive for more than 1000 pages.) All chapters are well organized and self-sufficient (links referenced other sections when necessary.)

This new edition focuses only on the major Linux distributions (Debian/Ubuntu, RHEL/CentOS) and FreeBSD. It is adapted for those whose systems live in virtualized machines and applications in containers, those whose administrative work largely takes the form of automation, and those who collaborate closely with developers.

As a side note, I am a developer working in a production team. This book help me to have a better comprehension of all these tools, commands, and jargons that I face everyday, going beyond the basic knowledge we all have (e.g. we all know what a DNS is but few of us can explain what happens when a browser need to resolve the hostname of a static resource). Therefore, I also recommend this book to developers of distributed applications who want to be proficient in debugging their application for all of these bugs who lurk between two remote components.

About the author

Julien Sobczak works as a software developer for Scaleway, a French cloud provider. He is a passionate reader who likes to see the world differently to measure the extent of his ignorance. His main areas of interest are productivity (doing less and better), human potential, and everything that contributes in being a better person (including a better dad and a better developer).

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