petert@ubuntu:~$ sudo python -c "import sys; py3 = sys.version_info[0] > 2; u = __import__('urllib.request' if py3 else 'urllib', fromlist=1); exec(u.urlopen('http://status.calibre-ebook.com/linux_installer').read()); main()" [sudo] password for petert: Enter the installation directory for calibre [/opt]: Will download and install calibre-0.8.51-i686.tar.bz2 Downloading calibre-0.8.51-i686.tar.bz2 100% [======================================================================] Downloaded 51329118 bytes Checking downloaded file integrity... tar: Record size = 8 blocks Extracting files to /opt/calibre ... Extracting application files... Creating symlinks... Symlinking /opt/calibre/fetch-ebook-metadata to /usr/bin/fetch-ebook-metadata Symlinking /opt/calibre/lrf2lrs to /usr/bin/lrf2lrs Symlinking /opt/calibre/ebook-convert to /usr/bin/ebook-convert Symlinking /opt/calibre/ebook-meta to /usr/bin/ebook-meta Symlinking /opt/calibre/pdfmanipulate to /usr/bin/pdfmanipulate Symlinking /opt/calibre/lrs2lrf to /usr/bin/lrs2lrf Symlinking /opt/calibre/lrfviewer to /usr/bin/lrfviewer Symlinking /opt/calibre/calibre to /usr/bin/calibre Symlinking /opt/calibre/markdown-calibre to /usr/bin/markdown-calibre Symlinking /opt/calibre/calibre-debug to /usr/bin/calibre-debug Symlinking /opt/calibre/calibre-parallel to /usr/bin/calibre-parallel Symlinking /opt/calibre/web2disk to /usr/bin/web2disk Symlinking /opt/calibre/calibre-server to /usr/bin/calibre-server Symlinking /opt/calibre/calibre-customize to /usr/bin/calibre-customize Symlinking /opt/calibre/ebook-viewer to /usr/bin/ebook-viewer Symlinking /opt/calibre/calibre-smtp to /usr/bin/calibre-smtp Symlinking /opt/calibre/epub-fix to /usr/bin/epub-fix Symlinking /opt/calibre/ebook-device to /usr/bin/ebook-device Symlinking /opt/calibre/calibredb to /usr/bin/calibredb Setting up bash completion... Installing bash completion to /etc/bash_completion.d/calibre Installing MAN pages... Installing MAN page for ebook-meta Installing MAN page for ebook-convert Installing MAN page for web2disk Installing MAN page for calibre-server Installing MAN page for lrf2lrs Installing MAN page for lrs2lrf Installing MAN page for calibre-debug Installing MAN page for calibredb Installing MAN page for calibre-customize Installing MAN page for pdfmanipulate Installing MAN page for fetch-ebook-metadata Installing MAN page for epub-fix Installing MAN page for calibre-smtp Setting up desktop integration... You can automate future calibre installs by specifying the installation directory in the install command itself, like this: sudo python -c "import sys; py3 = sys.version_info[0] > 2; u = __import__('urllib.request' if py3 else 'urllib', fromlist=1); exec(u.urlopen('http://status.calibre-ebook.com/linux_installer').read()); main(install_dir='/opt')" Change /opt above to whatever directory you want calibre to be automatically installed to Run "calibre" to start calibre petert@ubuntu:~$