You can change the folder calibre is installed into from the default (/opt) like this:

On servers, if you get an error about a missing libEGL, you might need to install some OpenGL packages such as libegl1 and libopengl0.

If you get an error Could not load the Qt platform plugin xcb you are missing some needed X11-XCB libraries, such as libxcb-xinerama0, for details see here.You need GLIBC 2.31 or higher and libstdc++.so.6.0.28 (from gcc 9.3.0) or higher to run calibre.Alternately, simply deleting the installation folder will remove 99% of the installed files. You can uninstall calibre by running sudo calibre-uninstall. You must have xdg-utils, wget, xz-utils and python ≥ 3.3 installed on your system before running the installer. Sudo -v & wget -no-check-certificate -nv -O- | sudo sh /dev/stdin If you still want to proceed, pass the -no-check-certificate option to wget, like this: If you get an error about an untrusted certificate, that means your computer does not have any root certificates installed and so cannot download the installer securely.All registered trademarks, product names and company names or logos are the property of their respective owners. Ubuntu is developed and updated by Canonical Ltd. There are thousands of games available, including titles from the Unity and Steam platforms. Gaming: From Sudoku to shoot-em-ups, we’ve got loads of games that’ll keep you busy for hours. Multimedia: Edit your movies with PiTiVi and then watch them in Movie Player - or add VLC and OpenShot from the Software Centre, for compatibility with even more file formats.

Photos & camera: manage, edit and share your photos - whatever you use to take them. Thunderbird, Mozilla’s: Popular email application, so you’ll have fast desktop access to your email. LibreOffice Suite: Create professional documents, spreadsheets and presentations on Ubuntu with LibreOffice, the open source office suite that’s compatible with Microsoft Office. Most are available for free and can be installed with just a few clicks. Offers thousands of apps available for download. Fast, secure and with thousands of apps to choose from - for everything you want to do, Ubuntu has what you need. Ubuntu the most advanced linux operating system, developed by Canonical Ltd and trusted by millions of individuals and companies. It is an open source software operating system that runs from the desktop, cloud, to all your internet connected things. Safe Download and Install from official link! Ubuntu 64 bit Download Features Install Full working Ubuntu 64 bit through USB device.

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