How to install Calibre via Ubuntu PPA. Calibre 3.7 is the latest release of Calibre Ebook Reader for Ubuntu Linux Systems. Calibre is a powerful and easy to use e-book manager which works as a comprehensive e-book viewer and can be used to download news/magazines from the web. User scna share and backup your library easily and edit the books in their collection.
Install Calibre 3.7
calibre has a binary install that includes private versions of all its dependencies. It runs on 32-bit and 64-bit Intel compatible machines. To install or upgrade, simply copy paste the following command into a terminal and press Enter:
sudo apt-get update
sudo -v && wget -nv -O-
https://download.calibre-ebook.com/linux-installer.py | sudo python -c
"import sys; main=lambda:sys.stderr.write('Download failed\n');
exec(sys.stdin.read()); main()"
While you wait for the download to complete, please consider contributing to support the development of calibre.
Reverting to a previous version
If you wish to revert to an earlier calibre release or download a calibre upgrade manually, download the tarball of that release from here (choose the 32-bit or 64-bit version, as appropriate). Assuming you want calibre in /opt/calibre, run the following command, changing the path to calibre-tarball.txz below as appropriate:
sudo apt-get update
sudo mkdir -p /opt/calibre && sudo rm -rf /opt/calibre/*
&& sudo tar xvf /path/to/downloaded/calibre-tarball.txz -C
/opt/calibre && sudo /opt/calibre/calibre_postinstall