2026-05-15
Website Uptime Monitoring Script in Bash
Build a practical Bash script that checks URLs with curl, logs HTTP status codes, runs from cron and can send simple alerts when a site fails.
BashcurlMonitoringCron
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CommandLineQuiz Blog
Practical Linux, Bash scripting, hosting and troubleshooting guides built around real commands, useful examples and terminal output. Use the blog to understand the command, then jump into builders, cheat sheets and quizzes to make it stick.
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14+Bash topics
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Bash Scripting Hub
Learn Bash from beginner scripts through arguments, inputs, operators, loops, functions and real automation projects.
Open Bash Hub →Linux Troubleshooting Hub
Work through logs, failed services, disk usage, permissions, DNS checks, backups and useful server commands.
Open Troubleshooting Hub →Command Builders
Build commands step by step when you want the syntax without a full expedition into documentation.
Open Tools →Find Command Guide
Learn how to safely search files by name, type, size, age, owner, permissions and actions with real examples and output.
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Website uptime monitoring script
2026-05-15
.htaccess Guide: Redirects, Rewrites, HTTPS Rules and Examples
Learn practical .htaccess rules with examples for 301 redirects, HTTPS, www and non-www redirects, clean URLs, directory listing, IP blocking and trou...
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Read guide2026-05-08
Best AI Prompts for Bash Scripting: Safer Automation, Debugging and Linux Admin Examples
Use these practical AI prompts to write, debug and improve Bash scripts safely, with examples for backups, logs, uptime checks, cron jobs and Linux se...
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Read guide2026-05-08
Build a Bash 404 Checker to Find Broken Pages and Internal Backlinks
Build a Bash 404 checker that scans a sitemap, checks page status codes, crawls internal links, reports broken backlinks and saves the results to CSV.
bash 404 checkerbroken backlink checker bashfind broken links linuxcurl check 404
Read guide2026-05-05
10 Common Linux Issues and How to Fix Them
Learn how to fix 10 common Linux issues including high disk usage, failed services, permission denied errors, DNS problems, SSH failures, high load, m...
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Read guide2026-05-05
Bash Functions Explained: Reusable Scripts for Linux Beginners
Learn Bash functions with practical Linux examples. Covers function syntax, arguments, local variables, return codes, output capture, reusable admin s...
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Read guide2026-05-05
Bash While Loops Explained: Practical Examples for Linux Beginners
Learn Bash while loops with practical examples for Linux beginners. Covers counters, conditions, reading files safely, menus, retries, website monitor...
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Read guide2026-05-05
CompTIA Linux+ Hands-On Lab Plan: 30 Practice Tasks for XK0-006
A practical CompTIA Linux+ hands-on lab plan with 30 Linux tasks covering system management, services, users, security, Bash automation, containers, n...
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Read guide2026-05-05
Is Red Hat Certification Worth It in 2026? RHCSA, RHCE and RHEL Career Guide
Is Red Hat certification worth it in 2026? Learn who should take RHCSA or RHCE, what skills to practise, what to expect from Red Hat exams, career val...
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Read guide2026-05-05
Mastering the Linux Find Command: Practical Examples and Safe Workflows
Master the Linux find command with practical examples, safe delete workflows, output examples, internal links, FAQs and real file search use cases.
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Read guide2026-05-03
10 Essential Linux Commands for Beginners: Examples and Output
Learn 10 essential Linux commands with practical examples, command output, common use cases, safe habits, internal links and beginner FAQs.
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Read guide2026-05-03
AWK Command Examples: Fields, Filters, Counts and Log Analysis
Learn the AWK command with practical examples for fields, delimiters, filtering, counting, totals, averages and web server log analysis.
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Read guide2026-05-03
Advanced grep Techniques: Logs, Regex, Context and Recursive Searches
Use advanced grep techniques for logs, recursive searches, regex, context lines, exclusions, pipelines, examples, output and troubleshooting FAQs.
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Read guide2026-05-03
Automate Linux Backups with rsync and systemd: Practical Backup Guide
Create automated Linux backups with rsync and systemd timers, including safe backup scripts, exclude files, restore checks, logs, troubleshooting and...
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Read guide2026-05-03
Bash For Loops Explained: Files, Lists, Arrays and Real Examples
Learn Bash for loops with practical examples for files, lists, arrays, logs, command output, safe scripting patterns, common mistakes and FAQs.
bash for loopbash for loop examplesbash loop through filesbash loop array
Read guide2026-05-03
Bash Operators Explained: File, String, Number and Logic Tests
Learn Bash operators for beginners, including file tests, string tests, numeric comparisons, logic operators, arithmetic operators and practical if st...
bash operatorsbash test operatorsbash file operatorsbash string comparison
Read guide2026-05-03
Bash Script Arguments Explained: $1, $2, $@, $# and Practical Examples
Learn how to use Bash script arguments including $0, $1, $2, $#, $@ and named variables. Includes practical scripts, output examples, usage checks and...
bash script argumentsbash $1 $2 explainedbash positional parametersbash all arguments
Read guide2026-05-03
Bash Scripting Hub: Learn Bash Scripts, Loops, Arguments and Automation
A complete Bash scripting learning hub with beginner scripts, arguments, user input, operators, loops, functions, uptime monitoring and automation gui...
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Read guide2026-05-03
Bash Scripting for Beginners Part 1: First Script, Variables and Output
Start Bash scripting with your first script, variables, echo, chmod, shebangs, output examples, practice tasks, common mistakes and FAQs.
bash scripting for beginnersbash script tutorialfirst bash scriptbash shebang
Read guide2026-05-03
Bash Scripting for Beginners Part 2: Arguments, If Statements and Exit Codes
Learn Bash script arguments, if statements, test operators and exit codes. Includes practical scripts for checking files and Linux services with examp...
bash argumentsbash if statementbash exit codesbash test operators
Read guide2026-05-03
Bash Scripting for Beginners Part 3: Loops, Functions and Admin Scripts
Learn Bash loops, functions and real admin scripting patterns with practical examples, outputs, logging ideas, internal links and FAQs.
bash loopsbash functionsbash arraysbash admin scripts
Read guide2026-05-03
Bash User Input Explained: read, Prompts, Confirmations and Menus
Learn how to get user input in Bash scripts with read. Covers prompts, read -r, default values, confirmations, yes/no checks, simple menus, passwords...
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Read guide2026-05-03
Basic Networking Commands on Linux: ip, ping, ss, dig, curl and More
Learn essential Linux networking commands with practical examples for hostname, ip, ping, ss, curl, dig, traceroute, firewall checks and troubleshooti...
basic networking commands linuxlinux networking commandshostname command linuxping command examples
Read guide2026-05-03
Best SSH Terminals for Windows, Mac and Linux: Top Clients Compared
Compare the best SSH terminals for Windows, macOS and Linux, including PuTTY, Termius, MobaXterm, Windows Terminal, SecureCRT and iTerm2. Includes a c...
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Read guide2026-05-03
Git Command Guide: Basics, Branches, Merges, Logs and Safe Undo
Learn practical Git commands for status, add, commit, branches, merges, logs, diffs, safe undo, examples, output and FAQs.
git command guidegit commandsgit basicsgit branch
Read guide2026-05-03
How to Connect to cPanel via SSH Using PuTTY: Step by Step Guide
Connect to cPanel via SSH using PuTTY with step-by-step setup, ports, usernames, keys, troubleshooting checks, examples and FAQs.
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Read guide2026-05-03
Is CompTIA Linux+ Worth It in 2026? Cost, Booking and Study Guide
Is CompTIA Linux+ worth it in 2026? Learn who Linux+ is best for, current exam details, cost guidance, how to book the exam, study materials, learning...
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Read guide2026-05-03
Linux High Disk Usage Troubleshooting: du, df, Logs, Caches and Cleanup
Troubleshoot high disk usage on Linux with df, du, find, log checks, cache cleanup, large file discovery, safe workflows and FAQs.
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Read guide2026-05-03
Linux Troubleshooting Hub: Logs, Services, DNS, Disk and Backups
A practical Linux troubleshooting hub for logs, services, DNS, disk usage, backups, cPanel checks, networking commands and command line workflows.
linux troubleshootinglinux server troubleshootingsystemctl troubleshootingjournalctl logs
Read guide2026-05-03
Search Logs for Errors on Linux: grep, journalctl, tail and awk
Search Linux logs for errors using grep, journalctl, tail, awk and useful pipelines, with examples, output, workflows and FAQs.
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Read guide2026-05-03
Understanding Linux Permissions: chmod, chown, rwx and Numeric Modes
Understand Linux file permissions with chmod, chown, rwx, numeric modes, ownership, safe examples, output, common mistakes and FAQs.
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Read guide2026-05-03
Using AWK for Text Processing: Columns, Filters, Counts and Output
Learn AWK for text processing with fields, delimiters, filters, counts, totals, examples, output and links to deeper AWK guides.
awk text processingawk command exampleslinux awk guideawk print column
Read guide2026-05-03
Website Uptime Monitoring Script in Bash
Build a website uptime monitoring script in Bash using curl, HTTP status codes, response times, timeouts, logging, cron and alert-friendly output for...
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Read guide2026-05-03
What Is Nmap? Install, Basics, Safe Scans and Useful Examples
Learn what Nmap is, how to install it, safe authorised scan examples, output, host discovery, port checks, service detection and FAQs.
what is nmapinstall nmap linuxnmap examplesnmap beginner guide
Read guide2026-05-03
cPanel Domlog Guide: Analyse Apache Access Logs for Traffic and Errors
Learn how to read cPanel domlogs, analyse IP traffic, URLs, status codes, bots, bandwidth, errors and suspicious requests with examples and FAQs.
cpanel domlog guidecpanel access logscpanel domlogsapache domlogs
Read guide2026-05-03
cPanel Log Locations: Where to Find Useful Server Logs
A practical guide to common cPanel and WHM log locations, including Apache domlogs, cPanel errors, email logs, FTP logs, ModSecurity logs and backup l...
cpanel log locationswhm logscpanel error_logapache domlogs
Read guide2026-05-03
dig Command Guide: DNS Lookups from the Linux Terminal
Learn how to use the dig command for DNS lookups, including A, AAAA, MX, TXT, NS, CNAME, reverse DNS, custom resolvers and troubleshooting examples.
dig commanddig linuxdns lookup commanddig examples
Read guide2026-05-03
firewalld Guide: Zones, Services, Ports, Rules and Troubleshooting
Learn firewalld with zones, services, ports, permanent rules, reloads, troubleshooting commands, output examples, common mistakes and FAQs.
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Read guide2026-05-03
systemd Guide: Services, Timers, Logs and Troubleshooting
Learn systemd basics for Linux service management, including systemctl, journalctl, unit files, service status, enable vs start, timers, targets and t...
systemd guidesystemctl tutorialjournalctl examplessystemd timers
Read guide2026-05-02
Best Linux Distro for Web Hosting
Discover the best Linux distro for web hosting, including Ubuntu, Debian, AlmaLinux and Rocky Linux. Learn which distribution is best for stability, c...
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Read guide2026-05-02
MySQL CLI for WordPress: Practical Database Troubleshooting Commands
Use the MySQL command line for WordPress troubleshooting with safe read-only checks, database size queries, site URL checks, users, backups, examples...
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Read guide2026-05-02
Top 10 Linux Commands for Troubleshooting Websites: Examples and Output
Troubleshoot websites with Linux commands including curl, dig, ss, systemctl, journalctl, tail, grep, df, du and top, with examples and FAQs.
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Read guide2026-05-02
WP-CLI Search Replace Guide: Safely Update WordPress URLs and Domains
Safely use WP-CLI search-replace for WordPress migrations, URL changes and mixed content fixes with dry runs, backups, examples and FAQs.
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Read guide2026-05-02
WordPress CLI Getting Started: Practical WP-CLI Commands for Beginners
Learn WP-CLI basics with practical commands for WordPress versions, plugins, themes, users, updates, database exports, maintenance workflows and FAQs.
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