LabEx

Changelog

Records of newly added courses and revised Labs

May 27, 2026

2 revisions

LFCS Practice Exam 02

COURSENEW

A second independent LFCS-style practice exam with 20 hands-on Linux administration challenges covering operations and deployment, networking, storage, essential commands, and users and groups.

Intermediate20 labslinuxlfcscertification

Display User and Group Information

  • 1Accepted the valid id -a command in the Step 2 verification.

May 26, 2026

4 revisions

Python Exception Handling

  • 1Corrected Step 1 verification to match the required 'You can not divide by 0' output.

Sequence Control and Pipeline

  • 1Clarified the Step 5 chained grep example so the command behavior matches the stated output.

Identify MAC and IP Addresses in Linux

  • 1Fixed Step 1 verification so ip a is recognized correctly from zsh history.

LFCS Practice Exam 01

COURSENEW

A hands-on LFCS practice exam with 20 independent Linux administration challenges covering operations and deployment, networking, storage, essential commands, and users and groups.

Intermediate20 labslinuxlfcscertification

May 25, 2026

2 revisions

Host Discovery Strategies

  • 1Replaced internet-dependent Nmap host discovery examples with localhost-based commands so the free lab works without external network access.

Linux pwd Command: Directory Displaying

  • 1Clarified the Step 3 pwd option example so it no longer contradicts the lesson flow and correctly explains -L versus -P.

May 24, 2026

2 revisions

Metasploit Basic Post-Exploitation

  • 1Clarified Step 1 to set ForceExploit true before running the exploit when Metasploit aborts the module check.

How to test server connectivity with curl in Linux

  • 1Changed the lab from free to pro because the exercises require outbound internet access.