Enterprise Linux for developers and early-career professionals — from first SSH login to production system administration.https://linux.bradpenney.io/ Brad Penneyen Sun, 14 Jun 2026 01:37:20 -0000 Sun, 14 Jun 2026 01:37:20 -0000 1440 MkDocs RSS plugin - v1.19.0 https://linux.bradpenney.io/images/exploring_linux.png https://linux.bradpenney.io/ Enterprise Linux from first SSH login to production mastery — built for developers who need Linux to work, and IT professionals who need to own it. https://linux.bradpenney.io/ Sun, 14 Jun 2026 01:36:35 -0300 Exploring Enterprise Linuxhttps://linux.bradpenney.io/ Find documentation on an unfamiliar Linux server — man pages, README files, package docs, git history, and what the server itself tells you. https://linux.bradpenney.io/day_one/finding_docs/ Sun, 14 Jun 2026 01:36:35 -0300 Exploring Enterprise Linuxhttps://linux.bradpenney.io/day_one/finding_docs/ Set up your first Linux environment via SSH or a local VM. Step-by-step guidance to get safely connected and ready to start exploring your new system. https://linux.bradpenney.io/day_one/getting_access/ Sun, 14 Jun 2026 01:36:35 -0300 Exploring Enterprise Linuxhttps://linux.bradpenney.io/day_one/getting_access/ Just logged in? Learn what the prompt tells you, how to identify the server you're on, and which safe read-only commands reveal everything you need to know. https://linux.bradpenney.io/day_one/orientation/ Sun, 14 Jun 2026 01:36:35 -0300 Exploring Enterprise Linuxhttps://linux.bradpenney.io/day_one/orientation/ Linux survival guide for developers — SSH, orientation, permissions, logs, documentation, and production safety rules. Get effective without becoming a sysadmin. https://linux.bradpenney.io/day_one/overview/ Sun, 14 Jun 2026 01:36:35 -0300 Exploring Enterprise Linuxhttps://linux.bradpenney.io/day_one/overview/ Learn to check your Linux privilege level before touching anything. Understand regular users, sudo access, and root on enterprise production servers. https://linux.bradpenney.io/day_one/permissions/ Sun, 14 Jun 2026 01:36:35 -0300 Exploring Enterprise Linuxhttps://linux.bradpenney.io/day_one/permissions/ Learn to debug production Linux systems by reading log files. Master tail, grep, and journalctl to find errors, track issues, and diagnose problems fast. https://linux.bradpenney.io/day_one/reading_logs/ Sun, 14 Jun 2026 01:36:35 -0300 Exploring Enterprise Linuxhttps://linux.bradpenney.io/day_one/reading_logs/ Explore a Linux server without breaking anything. Learn which commands are safe, how to navigate the filesystem confidently, and what to avoid in production. https://linux.bradpenney.io/day_one/safe_exploration/ Sun, 14 Jun 2026 01:36:35 -0300 Exploring Enterprise Linuxhttps://linux.bradpenney.io/day_one/safe_exploration/ Learn what NOT to do on a production Linux server. The rules exist because someone broke something. Understand dangerous commands and how to avoid disasters. https://linux.bradpenney.io/day_one/safety_guide/ Sun, 14 Jun 2026 01:36:35 -0300 Exploring Enterprise Linuxhttps://linux.bradpenney.io/day_one/safety_guide/ Handle script arguments and exit codes in Bash. Learn $1, $@, $#, $?, and how to return meaningful exit codes that other scripts and tools can act on. https://linux.bradpenney.io/essentials/bash_arguments/ Sun, 14 Jun 2026 01:36:35 -0300 Exploring Enterprise Linuxhttps://linux.bradpenney.io/essentials/bash_arguments/ Write Bash conditionals that work reliably. Covers if/elif/else, the [[ ]] operator, common file and string tests, and patterns that avoid subtle bugs. https://linux.bradpenney.io/essentials/bash_conditionals/ Sun, 14 Jun 2026 01:36:35 -0300 Exploring Enterprise Linuxhttps://linux.bradpenney.io/essentials/bash_conditionals/ Write your first Bash script with confidence. Covers the shebang line, script structure, making scripts executable, and where to store them for team use. https://linux.bradpenney.io/essentials/bash_first_script/ Sun, 14 Jun 2026 01:36:35 -0300 Exploring Enterprise Linuxhttps://linux.bradpenney.io/essentials/bash_first_script/ Organise Bash scripts with functions. Learn to define, call, and scope functions with local variables, return values via exit codes, and reuse patterns. https://linux.bradpenney.io/essentials/bash_functions/ Sun, 14 Jun 2026 01:36:35 -0300 Exploring Enterprise Linuxhttps://linux.bradpenney.io/essentials/bash_functions/ Master Bash loops for automation. Covers for loops over lists and files, while loops with command output, break and continue, and practical loop patterns. https://linux.bradpenney.io/essentials/bash_loops/ Sun, 14 Jun 2026 01:36:35 -0300 Exploring Enterprise Linuxhttps://linux.bradpenney.io/essentials/bash_loops/ A six-article bash scripting series for IT professionals. From your first shebang line to reusable functions — variables, arguments, conditionals, loops. https://linux.bradpenney.io/essentials/bash_scripting/ Sun, 14 Jun 2026 01:36:35 -0300 Exploring Enterprise Linuxhttps://linux.bradpenney.io/essentials/bash_scripting/ Master Bash variables and quoting rules. Learn when to use double vs single quotes, command substitution, and how quoting bugs silently break your scripts. https://linux.bradpenney.io/essentials/bash_variables/ Sun, 14 Jun 2026 01:36:35 -0300 Exploring Enterprise Linuxhttps://linux.bradpenney.io/essentials/bash_variables/ Master Linux command syntax, tab completion, history tricks, and command chaining — the fundamentals that separate Linux beginners from professionals. https://linux.bradpenney.io/essentials/command_line_fundamentals/ Sun, 14 Jun 2026 01:36:35 -0300 Exploring Enterprise Linuxhttps://linux.bradpenney.io/essentials/command_line_fundamentals/ Orient yourself in the Linux command line. Four articles covering navigation, the filesystem structure, finding files, and getting help when you're stuck. https://linux.bradpenney.io/essentials/command_line_overview/ Sun, 14 Jun 2026 01:36:35 -0300 Exploring Enterprise Linuxhttps://linux.bradpenney.io/essentials/command_line_overview/ Learn to manage Linux file permissions — chmod, chown, umask, SUID, SGID, and sticky bit — the skills every sysadmin and DevOps engineer needs. https://linux.bradpenney.io/essentials/file_permissions/ Sun, 14 Jun 2026 01:36:35 -0300 Exploring Enterprise Linuxhttps://linux.bradpenney.io/essentials/file_permissions/ Understand the Linux filesystem hierarchy — where configuration, logs, binaries, and application data live, and why. The mental map every sysadmin needs. https://linux.bradpenney.io/essentials/filesystem_hierarchy/ Sun, 14 Jun 2026 01:36:35 -0300 Exploring Enterprise Linuxhttps://linux.bradpenney.io/essentials/filesystem_hierarchy/