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Clear system and kernel usage data

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Works with any Linux distroWorks with any Linux distribution that can run bash scripts.
  • Multiple actionsThis page belongs to a category, containing some changes with similar goal.
  • Linux onlyThis script improves your privacy on Linux
  • Impact: MediumSystem Functionality Loss Risk: Moderate
    This action improves privacy with minimal impact when you run the recommended script.
    This action improves privacy with some impact when you run the recommended script.
  • Bash (Shell script)These changes use Linux system commands to update your settings.
  • 3 scripts
  • IrreversibleYou can restore parts of this action (revert back to the original behavior) using the application.

Overview​

Your system (operating system along with other software on it) and kernel store data that may reveal your behavior and can be considered sensitive. These scripts clean up the data that could potentially expose your user data.

Use with Caution

This script is only recommended if you understand its implications.

Some non-critical or features may no longer function correctly after running this script.

Apply Now​

Choose one of two ways to apply:

Download script​

Download and run the script directly
  • No app needed
  • Offline usage
  • Free
  • Open-source

High — Advanced Privacy​

  • For advanced privacy-conscious users
  • May affect some features

Read more about High and other protection levels

Help

How to apply "Clear system and kernel usage data" using script​

  • ≈ 3 min to complete
  • Tools: Web Browser
  • Difficulty: Medium
  • ≈ 6 instructions
  1. 1

    Choose protection

    Choose one of the options with different impact levels:

    • High​

      Some advanced scripts with high system impact.

    • Maximum​

      Some not recommended scripts with very high system impact.

    Learn more about protection levels

  2. 2

    Download

    Download the script file by clicking on the   Apply protection  button above.
  3. 3

    Keep the file

    If warned by your browser, keep the file.
  4. 4

    Open

    Open the downloaded file.
  5. 5

    Exit

    Once it's done, press any key to exit the window.
  6. 6

    Restart

    Restart your computer for all changes to take effect.

Apply with privacy.sexy​

Guided, automated application with safety checks
  • Recommended for most users
  • Includes safety checks
  • Shows the code
  • Free
  • Open-source
  • Popular
  • Offline/Online usage
Open privacy.sexy
Help

How to apply "Clear system and kernel usage data" using privacy.sexy​

  • ≈ 3 min to complete
  • Tools: privacy.sexy
  • Difficulty: Simple
  • ≈ 4 instructions
privacy.sexy is free and open-source application that lets securely apply this action easily with more advanced options.
  1. 1

    Open or download

    Open or download the desktop application
  2. 2

    Choose script

    1. Search for the category name: Clear system and kernel usage data
    2. Check the category by clicking on the checkbox of the category.

    Applying High to limit the impact.

  3. 3

    Run

    Click on ▶️ Run button at the bottom of the page.

    This button only appears on desktop version (recommended). On browser, use 💾 Save button.

Explore This Guide​

  • 3 Privacy settings

Choose what to protect based on your needs:This script already includes these options.
You can review, apply or reverse each option individually.
Click any option to learn more about what it does.

Some settings and commands may require technical knowledge to apply correctly.

  • Clear system crash report files​

    The /var/crash directory holds system crash dumps according to Filesystem Hierarchy Standard (FHS). You may get reports on a system's boot wh...

  • Clear system logs (journald)​

    journald is the part of systemd that captures, queries, and removes logs when needed. It allows removing logs by setting --vacuum-time. syste...

  • Clear Zeitgeist data (activity logs)​

    Zeitgeist logs files opened, websites visited, conversations, and emails and provides this information over an API to applications. It serves a...

Similar Guides​

Wider Goal​

The guide below includes this guide to achieve a wider goal.See other more general settings that includes this one as one of its actions.
These plans combine multiple privacy settings, including this one, for stronger protection.
These scripts allow you to increase privacy by deleting collected data about you and your behavior.
Visit category page

Same Goal​

Other guides in Privacy cleanup See settings that are in the same category as this guide.
Using other actions in the same category may help you achieve your goal better.
See all 9 guides

About the Creators​

These people have authored this documentation and written its scripts:

  • Avatar of undergroundwires. The creator of PrivacyLearn and privacy.sexy. Black and white portrait showing a person wearing a polka dot tie and suit jacket, reflecting the professional expertise behind the privacy protection tools.
    • Certified security professional
    • 7+ years experience securing banks
    • Open-source developer since 2005
    • EU advisor, Public Speaker, Moderator
    • Hundreds across the globe
    • Testers, reviewers, developers
    • Companies, military agencies
    • Community since 2017
About Us

Reviewed By​

This guide has undergone comprehensive auditing and peer review:

  • Expert review by undergroundwires​

    • Verified technical accuracy and editorial standards
    • Assessed system impact and user privacy risks
    • Audited and verified using automated security tests

  • Public review by large community​

    • Privacy enthusiasts and professionals peer-reviewed
    • Millions of end-users tested across different environments
    • Audited and verified using third-party security software

History​

We continually monitor our guides, their impact and other potential privacy options. We update our guides when new information becomes available. On every update, we publicly store who made the change, what has been changed, why the change was made and when the change was made.

Review Change History Our Change Process