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Cron

Major Concepts & Key Terminology

  • task scheduling
  • cron
  • cronjob
  • crontab
    • syntax

Content Links

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  • Introduction
  • Bash: Introduction
    • Walkthrough
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  • Bash: Streams, Redirection & Pipes
    • Walkthrough
      • Redirect STDOUT Write File
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      • Bonus: Redirect STDIN
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      • Redirection: myname.txt
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    • Walkthrough
      • User File Permissions
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  • Package Manager
    • Walkthrough
      • apt CLI
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    • Exercises
      • Existing Package Repositories
      • Caddy Installation
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    • Next Steps
  • Git
    • Walkthrough
      • Review: Basic Git Workflow
      • Forking a Repository
      • Cloning a Repository
      • Git Branches
        • Creating Branches
        • Changing Branches
        • Staging Changes
      • Merging
        • Review Existing Code
        • Git Merge
        • Git Rebase
    • Exercises
      • New Project
      • Bonus: Git Revert
    • Next Steps
  • Userspace Applications
    • Walkthrough
      • wget
      • curl
      • grep
        • Regex: Line Begin Anchor
        • Regex: Line End Anchor
        • Regex: Any Character Symbol
        • Regex: Matching Set
        • grep From STDIN
        • grep Chaining
      • sed
        • Substitute: Correct user-data.csv
        • Substitute: Convert CSV to TSV
        • Sed From STDIN
        • Chaining Sed
        • Substitute: Reference Whole Match
        • Bonus: Substitute: Reference Match Groups
      • vim
        • Create File
        • Normal Mode Command: Writing and Quitting
        • Open File
        • Changing Between Normal & Insert Modes
        • Insert Mode: Edit File
        • Normal Mode: File Navigation
        • Normal Mode: Search File
        • Next Steps
    • Exercises
      • Wget Exercises
      • Curl Exercises
      • Grep Exercises
      • Sed Exercises
      • Vim Exercises
    • Next Steps
  • Bash: Scripting
    • Walkthrough
      • Scripting
      • Variables
      • Conditionals
      • Loops
    • Exercises
      • Redirection Practice Script
      • Scripting Grep
      • Index of Highest Value Script
    • Next Steps
  • Cron
    • Walkthrough
      • Cron-syntax
      • Crontab
      • Create a Cronjob
    • Exercises
    • Next Steps
  • Web Servers
    • Caddy
      • Setup
      • Caddyfile
      • Commands
      • Static Website
      • Reverse Proxy
    • NGINX
      • Setup
      • nginx.conf
      • nginx -s reload
      • Static Website
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    • Exercises
      • Caddy Exercises
        • React Exercise
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      • Nginx Exercises
        • React Exercise
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    • Next Steps
  • systemd
    • Walkthrough
      • systemctl
      • Webserver: Nginx Unit File
      • Webserver: Caddy Unit File
      • Bash Unit File
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    • Exercises
      • Service: Spring Todo MVC
    • Next Steps
  • Final Project
    • Example: Angular Initialization Script
    • React Initialization Script
    • Spring Initialization Script
    • Bonus: Build Artifacts
    • Bonus: Redeployment Script
    • Next Steps
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