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The most in-depth coverage of Linux kernel development, distributions, and the wider open-source ecosystem. A subscription is worth every penny but plenty is free.

Linux hardware benchmarks, driver news, and kernel patches. If something changed in a GPU driver at 3am, Phoronix already has a benchmark.

The main Linux subreddit. News, questions, drama about systemd. The usual.

William Shotts' excellent, freely available book that takes you from zero to comfortable in a bash shell. The nicest way to learn the terminal short of reading tuxs.me/rtfm.

A line by line explaination of what the shell is going on./p> explainshell.com

Give it your shell script and it will find the bugs so it "works first time" you run it.

They call it a curated collection of practical and well-explained Bash one-liners, snippets, tips and tricks.

The wiki for the distribution that powers 70% of linux installations.

Whether you think its the most boring or the most comprehensive bash manual - either way its the official one.

Community-maintained, practical man page summaries. When you just need the three most common use cases for tar without reading 900 lines of documentation.

A static analysis tool for shell scripts that catches bugs before your cron job deletes something important at 2am. Paste your script and weep at what it finds.

The easiest cron expression editor. Type a schedule in plain English (or mess with the fields) and instantly see what your cron will actually do.

Tracks hundreds of Linux (and BSD) distributions, with news, reviews, and release announcements. Also home to the famous — and much-debated — page hit rankings.

A short questionnaire that recommends a Linux distro based on your needs and experience level. Good starting point if someone asks you "which distro should I use?"