Install Calibre Gentoo Linux
You are Welcome! The Tutorial shows you Step-by-Step How to Install Calibre in Gentoo GNU/Linux Desktop.
And the Calibre Gentoo Linux Installation is Provided by the Work and Gentle Concession of the GetDeb Project Developers.
Moreover, Calibre is meant to be a Complete e-Library Solution. It includes Library Management, Format Conversion, News Feeds to e-Book Conversion as well as e-Book Reader Sync Features.
Finally, Calibre is Primarily an e-Book Cataloging Program. It manages your e-Book Collection for you. It also Supports Conversion from a dozen different e-Book Formats to LRF, AZW3 and EPUB.

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Open a Shell Terminal emulator window
(Press “Enter” to Execute Commands) -
How to Download Calibre Installer for Gentoo Linux
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Installing Latest Calibre for Gentoo Linux
First, Set Permissions with:chmod +x ~/Downloads/linux-installer.sh
And then Run the Calibre Installation Script:
sudo ~/Downloads/linux-installer.sh
If Got “User is Not in Sudoers file” then see: How to Enable sudo
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Finally, Launch & Enjoy Calibre
Make Use of the Desktop Launcher…
Or from Shell simply with:calibre