Test Version Information

About Test Versions

All tutorials and guides on this site are tested and verified on specific versions of Ubuntu. Each article notes the testing environment information to help readers assess content applicability.

Current Testing Environment

Primary Testing Environment

Secondary Testing Environment

Version Label Meanings

This site uses the following status labels for articles:

Verified

The article content has been fully tested and confirmed on the noted version. All commands and steps execute correctly.

Partially Verified

Core steps have been verified, but some details may vary depending on hardware or configuration. Common for:

• Hardware-specific tutorials (e.g., specific graphics cards, network adapters)
• Tutorials involving third-party software

Pending Update

Article content was written for an older version and is being updated for 26.04. Core concepts still apply, but specific commands or configuration paths may have changed.

Outdated

Article content is no longer applicable to the current version. Possible reasons:

• The referenced software package has been removed or replaced
• The configuration method has fundamentally changed
• The method is no longer recommended for security reasons

See Outdated Tutorials for details.

Testing Methodology

Command Testing

All commands are executed and verified line by line in a clean Ubuntu 26.04 environment.

# We use a process similar to the following to verify commands
# 1. Test on a freshly installed system
# 2. Test on a system upgraded from an older version
# 3. Record whether actual output matches expectations

Screenshots and Output

Screenshots and command output in articles come from actual testing environments, not simulations or fabrications.

Version Difference Annotations

When an operation differs between versions, the article explicitly notes:

# Ubuntu 24.04 LTS
old command or configuration

# Ubuntu 26.04 LTS
new command or configuration

Testing Environment Variations

Due to hardware and configuration differences, some operations may behave differently in your environment. The following factors can cause variations:

1. Different hardware: Different CPUs, GPUs, network adapters, etc., may require different drivers and configurations
2. Installation method: Fresh installations and upgrade installations may result in different system states
3. Installed software: Third-party software and PPAs may affect system behavior
4. BIOS/UEFI settings: Settings such as Secure Boot and CSM can affect booting and drivers

Feedback and Corrections

If you encounter results that differ from the article description:

1. Confirm your system version matches the version noted in the article
2. Check for environment differences (hardware, installed software, etc.)
3. Let us know through the feedback link at the bottom of the page
4. Include your system information:

lsb_release -a
uname -r

We will verify and update the article content as soon as possible.