Aug 03, 2026

1 revision

Misconfigured File Permissions

• 1Corrected the permission guidance so the file owner can retrieve the flag.
• 2Replaced terminal-log inspection with reliable file permission and content checks.
• 3Removed the unnecessary Desktop-only terminal restriction.

Jul 30, 2026

1 revision

Install and Verify Hydra

• 1Corrected the Hydra version check and clarified the purpose of the verbosity options.

Jul 29, 2026

1 revision

Install Software in Red Hat Enterprise Linux

• 1Updated the subscription status guidance and verification to support current RHEL output.

Jul 28, 2026

2 revisions

Access File Systems in Red Hat Enterprise Linux

• 1Corrected extra-disk detection so Step 3 no longer targets the root disk.
• 2Added required privileges to system-wide file searches to prevent permission errors.

Manage and Monitor Linux Processes

• 1Corrected the Step 5 expected output to show the default nice value and old priority as 0.

Jul 27, 2026

1 revision

Matplotlib Basic Line Plots

• 1Made Step 2 verification accept valid whitespace variations in plt.plot calls.
• 2Updated metadata and Step 5 wording to meet current validation requirements.

Jul 26, 2026

1 revision

Redis Pub/Sub Messaging

• 1Made the Step 3 UNSUBSCRIBE verification accept valid command casing.

Jul 24, 2026

1 revision

Access Command Line in Red Hat Enterprise Linux

• 1Corrected the password exercise to cancel with Ctrl+C without changing the default password.
• 2Shortened the lab descriptions to meet publishing limits.

Jul 23, 2026

2 revisions

Ansible Conditionals and Loops

• 1Clarified the guided step introductions and made playbook execution checks accept valid inventory-option spacing.

Linux lsblk Command with Practical Examples

• 1Replaced unsupported lsblk type filtering with supported top-level and major-number filters.
• 2Made basic device verification work across valid Linux disk names.

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