LPIC-1 Linux Administrator (102-500) (In Production)

Linux Professional Institute10 H 36 M

  • Shells and Shell Scripting
    • Working with Variables
    • Basic Scripting
    • Advanced Scripting
  • User Interfaces and Desktops
    • Introduction to X11 and Xorg
    • Configuring Xorg
    • Connecting to Remote X Servers
    • Linux Desktop Environments
    • Accessibility
  • Administrative Tasks
    • Managing User Accounts
    • Managing Groups
    • Creating System Accounts
    • Scheduling Tasks
    • Scheduling with systemd
    • Localizing Linux
  • Essential System Services
    • Managing System Time
    • Configuring an NTP Server
    • Configuring an NTP Client
    • System Logging with rsyslog
    • System Logging with journald
    • Mail Transfer Agents
    • Configuring Printers
  • Networking Fundamentals
    • Understanding TCP/IP
    • Configuring a Network Adapter
    • Troubleshooting Networking
    • Troubleshooting Application Networking
    • Managing Name Resolution
  • Security
    • Auditing SetUID/SetGID Permissions
    • Managing Root Access with sudo
    • Exploring Networks with nmap and netstat
    • Hardening Linux
    • Configuring an SSH Server
    • Configuring an SSH Client
    • Encrypting Data with GPG
    • Tunneling Traffic with SSH

Working with Variables

20 M

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  • Episode Description

Variables are frequently used in software programs and scripting. In this episode, you will learn how functions are used in scripts. You will see how to define variables, and recall their stored information as needed. You will also learn how to modify variables with dynamic content using command explosion. Finally, you will learn how to convert local variables in to global variables.

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