Verify MarkView for Linux

The normal download remains one click. If you prefer to verify it before running it, new Linux releases include SHA-256 checksums and a detached signature for both the .deb package and AppImage.

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Option 1: Check the SHA-256 checksum

Download your chosen package and SHA256SUMS into the same directory, then run the commands below. A successful check prints the downloaded filename followed by OK. The example defaults to AppImage; the comment shows the one-line change for the Debian package.

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Option 2: Verify the Minisign signature

This provides the stronger check: it proves the downloaded bytes were signed by the same MarkView key embedded in the app's updater. Install Minisign, then run the commands for the file you downloaded.

MarkView's public key ID is 57CD593855331F8F. The Tauri-generated .sig asset is a base64 wrapper, so the command explicitly decodes it into the standard Minisign format first.

AppImage

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Debian / Ubuntu package

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Success prints Signature and comment signature verified and the signed release filename. If verification fails, do not run or install the download.

What each file proves

  • SHA256SUMS detects an incomplete or changed download.
  • The detached .sig plus the published public key proves the file was signed by MarkView and has not changed since.
  • The public key is also attached to each new release and is published at markview.io/markview-updater.pub.
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