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#Maintenance· October 29, 2026·10 min read

WordPress Migration Plugins vs Manual Migration: Which Method Fits Your Site?

Choose a WordPress migration method by checking host support, plugin editions, upload limits, Multisite needs, and backup and cutover requirements.

#Bash· October 29, 2026·8 min read

Bash for Loops: Syntax, Arrays, Ranges, and Files

Learn Bash for loops with tested examples for ranges, arrays, filenames, and arguments. See when to use arithmetic loops, globbing, and line-aware reading.

#Bash· October 29, 2026·8 min read

Bash while and until Loops: Syntax, Examples, and Common Traps

Learn Bash while and until syntax, preserve file input and variables, and build bounded HTTP retries that distinguish success from errors and redirects.

#Bash· October 29, 2026·9 min read

Bash Functions: Arguments, Return Values, and Scope

Learn to define Bash functions, preserve arguments, capture output, and diagnose scope changes, masked failures, and set -e exceptions with runnable examples.

#Bash· October 29, 2026·7 min read

Bash Arrays: Indexed, Associative, and Safe Iteration

Choose indexed or associative Bash arrays, preserve filenames and command arguments, handle line input safely, and diagnose sparse indexes and shell scope.

#Bash· October 29, 2026·7 min read

Bash Tests and File Checks: Choose the Right Operator

Choose Bash tests for files, strings, and numbers. Compare brackets, check symbolic links, handle empty variables, and verify each condition's result.

#Bash· October 29, 2026·8 min read

Linux Environment Variables and PATH: Where to Set Them

Set Bash variables, export values, and edit PATH safely. Choose the right startup file or cron/systemd setting, then verify the process that needs it.

#Bash· October 29, 2026·7 min read

Bash Redirection, Pipes, and Exit Codes: Where Output Goes and How Failures Surface

Redirect stdout and stderr, compare 2>&1 order, and see how tee, pipefail, and PIPESTATUS affect what gets logged and which Bash command failed.

#Bash· October 29, 2026·9 min read

Bash Case Statement: Syntax, Pattern Matching, and Examples

Learn Bash case syntax, compare literal and glob patterns, see how ;;, ;& and ;;& work, and debug unexpected matches with runnable examples.

#Editors· October 29, 2026·5 min read

How to Save and Quit Vim (Without Losing Your Changes)

Save and exit Vim with Esc, :wq, and Enter. Learn when :x or :q! fits, why E37 and E212 stop a command, and how to handle an editor opened by Git.