Questions tagged [calibre]

calibre is free and open source e-book computer software that organizes, saves and manages e-books, supporting a variety of formats.

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How do you download Calibre on Ubuntu 20.04?

It sounds simple, but I'm not a coder and I have a few hoops to jump through: How do you download a 32-bit version, and Is there a DRM removal plugin that works with it? I've agonized over this for ...
-2 votes
2 answers
54 views

How do I download Calibre on Ubuntu? [closed]

I know nothing about code. I'd need a blow-by-blow, subtle as an atomic bomb explanation of how to download Calibre on Linux, with Ubuntu.
1 vote
1 answer
659 views

Calibre error: 'QWebEngineProfile' object has no attribute 'setUrlRequestInterceptor', how do fix it? Ubuntu 20.04

calibre, version 4.99.4 (linux, embedded-python: False) Conversion error: Failed: Convert book 1 of 1 (Unity in Action, Third Edition) Convert book 1 of 1 (Unity in Action, Third Edition) Conversion ...
4 votes
3 answers
2k views

ebook viewer - Qt WebEngine Render process has crashed (ubuntu 22.04)

Just upgraded to 22.04 and the ebook viewer is unable to open .mobi file with ebook viewer error message: calibre, version 5.41.0 ERROR: Render process crashed: The Qt WebEngine Render process has ...
1 vote
1 answer
86 views

My epub books became folders of the same name, how do I get them back?

I had a lot of epub books on my MacBook, and I exported them from IBook; But I found that when they were synced to ubuntu pc by Google Drive, they became folders with the name like `Books.epub' How ...
2 votes
1 answer
347 views

How to add page numbers to output when converting epub file via command line interface of ebook-convert (calibre)?

I have an epub file and want to convert it into a PDF file. I am using ebook-convert as suggested in converting epub files to PDF format (version: ebook-convert (calibre 3.21.0)) I am looking for a ...
1 vote
0 answers
117 views

How can I remove the DRM from PDFs so that I can read them in Google Play Books

Google Play Books is my reader app of choice for Android. I like that I can highlight and take notes, and that I have a pipeline for those notes to get them in to an Anki deck (amongst other things). ...
4 votes
1 answer
171 views

Where is the man or manpage for a flatpak application?

How would I read the man page for calibre when it's installed from flatpak as below? nicholas@gondor:~$ nicholas@gondor:~$ flatpak info com.calibre_ebook.calibre calibre - The one stop solution to ...
1 vote
1 answer
214 views

flatpak calibre: Cannot read from /home/nicholas/in.epub (permissions?)

Looking to convert an epub to mobi with calibre: nicholas@gondor:~/ebooks$ nicholas@gondor:~/ebooks$ flatpak --command="sh" run com.calibre_ebook.calibre -c "ebook-convert ~/in.epub ~/...
2 votes
3 answers
503 views

How to run or execute the ebook-convert script from a flatpak install of calibre?

Where and how can I run the ebook-convert script for calibre from the console? nicholas@gondor:~$ nicholas@gondor:~$ flatpak info com.calibre_ebook.calibre calibre - The one stop solution to all ...
2 votes
1 answer
71 views

Calibre sets itself as the default app for everything - how to change that?

so I've been using calibre for e-books for a while, it's great, but it sets itself as the default application for every filetype that isn't explicitly set by another program. This is very annoying, ...
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3 votes
2 answers
2k views

Calibre not working in Ubuntu 20.04 LTS

I tried to install calibre in Ubuntu 20.04 and it won't launch. I followed the instructions from another question (Calibre No Longer Working) but it didn't work. This is how I installed (version 5.20....
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0 votes
1 answer
333 views

how to launch flatpak calibre from the console?

How do I start calibre from the bash console? nicholas@mordor:~$ nicholas@mordor:~$ com.calibre_ebook.calibre com.calibre_ebook.calibre: command not found nicholas@mordor:~$ nicholas@mordor:~$ ...
0 votes
1 answer
234 views

How to convert ebook in Calibre?

How do you convert an ebook to a different format in Calibre? If I select a book, click the big "Convert Books" button, select output to "MOBI", and click "OK", it ...
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4 votes
1 answer
536 views

Calibre crashing on start-up

When I try to launch calibre I get the following error: calibre qt5ct: using qt5ct plugin Gtk-Message: 14:55:04.251: Failed to load module "atk-bridge" Traceback (most recent call last): ...
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0 votes
1 answer
1k views

Adobe Digital Edition not opening in WIne

Been through all the posts out there and almost all are outdated. Installed latest Wine stable + wine-gecko-2.47.1. I then downloaded Adobe Digital Editions 4.5. Installation in Wine went smoothly. By ...
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2 votes
0 answers
40 views

Cannot launch the Calibre ebook reader? [duplicate]

Why isn't calibre starting below? nicholas@mordor:~$ nicholas@mordor:~$ sudo apt install calibre Reading package lists... Done Building dependency tree Reading state information... Done ...
26 votes
6 answers
15k views

Calibre No Longer Working

Calibre stopped working recently. Tried uninstalling and reinstalling. When I open a terminal and call $calibre I get the following error message: Traceback (most recent call last): File "/usr/...
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1 vote
0 answers
88 views

Evince: How do I set a keybinding for the autoscroll?

I use evince with calibre as my primary ebook reader on Lubuntu 20.04. I find the autoscroll feature pretty useful. How can I set a keybinding to toggle autoscroll on evince?
2 votes
0 answers
2k views

How to add offline dictionary to Calibre?

"I have recently installed calibre for ebook reading. To find the meaning of unknown words, the calibre has an option to look into the dictionary. I know to use an online dictionary with calibre. ...
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1 vote
2 answers
354 views

Calibre on Ubuntu 18.04 installed in wrong language

I have installed Calibre via Apps and a momentary lapse means it is now running in Chinese. Removed it, restart, reinstall, no change. Removed it via GUI, then tried in terminal ls /opt/calibre and ...
2 votes
0 answers
352 views

Ubuntu 18.04 Evince and Calibre reader must be restarted every page to load font

For PDF files about 15 MB or more, the fonts are garbled every time I go to a new page. If I close the file and reopen it, the font on the current page is fine, but other pages are garbled. It ...
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1 vote
1 answer
916 views

Calibre crashes with "Segmentation fault" (core dumped)

I am using Ubuntu 16.04. LTS and I have calibre installed. Unfortunately, it doesn't launch anymore and crashes on startup without any error message. When I launch calibre from terminal (to get some ...
1 vote
0 answers
205 views

Diagnosing a service not starting on reboot (Calibre eBook)

I'm trying to figure out why a couple of my services aren't starting up at reboot. Once the system is up and running, I can run the service without issue. /var/log/error.log Nov 16 04:01:31 Ubuntu ...
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15 votes
4 answers
40k views

How do I get a dark theme/night mode in Calibre Ebook Viewer?

Most Ebook readers come with a standard easy Night Mode switch. I'm trying to figure this out in Calibre. So far, I've been able to change the app theme to use my dark System theme by creating $ sudo ...
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5 votes
2 answers
2k views

When is the latest Calibre 3 going to be available in Ubuntu 16.04 in Software Center?

The current version which is 2.55.0 is not working for me and does not support my Pocketbook Inkpad 3 ebook reader and other ways of installation are too complicated for me.
  • 486
0 votes
1 answer
3k views

Calibre. does it possible to use network samba share for library storage folder

Ubuntu xenial 16.04. Calibre 2.55. All work fine, but when i try to create an empty library on a nas share selecting an empty Untitled Folder. i got Traceback (most recent call last): File "/usr/...
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1 vote
1 answer
179 views

Software Updater - Problem after Calibre upgrade

I'm new around here so first of all sorry if this is not the right place to post. I am using Calibre under Ubuntu 16.04 LTS. Recently I decided to upgrade from the version distributed through the ...
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1 vote
0 answers
3k views

Delete or merge duplicate books at Calibre

I'm managing my e-books with Calibre. Unfortunately, in there kinda 1000+ duplicates has been created when I was importing 10,000 books. Also there were some books with no formats available, means ...
2 votes
1 answer
230 views

PDF book opens in Mendeley when openned from Calibre

I have Ubuntu Gnome installed and I am using i3wm. Everytime I double click a book in Calibre to open it it opens in Mendeley desktop. This doesn't happen under Gnome. Could you explain why this ...
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1 vote
1 answer
520 views

convert zip file to ebook

I want to convert a zip file into an ebook using calibre 3.2.1 but the order of the chapters is in alphabetical order. You might be able to imagine that reading a book with the chapters in ...
  • 3,253
0 votes
2 answers
2k views

Calibre server doesn't start on Ubuntu server 16.10 with systemd

I am trying to get Calibre server to start automatic during startup. I have used this tutorial. Then I've used this script: [Unit] Description=Calibre Service After=network.target [Service] User=...
2 votes
0 answers
740 views

Conversion images pdf to text

I have a 500page pdf scan of a 15th century book. I wish to convert it into a single txt file of any format so as to be able to work on it and/or export it to epub. Calibre is unable to process it. ...
0 votes
2 answers
300 views

KDE Redirect application links to wrong address

I am using ubuntu 16.04 with kde 5. I am trying to authorize calibre to access my goodreads account. When I click on the link the browser opens the login page instead of opening the authorization ...
0 votes
1 answer
184 views

Calibre Hangs on Xubuntu and Cinnamon, but not Ubuntu or XFCE

This is a really strange problem that has just started. It appears to happen to other python apps as well? At the risk of misleading, I think it might have to do with moving my user files? Firs, ...
2 votes
1 answer
2k views

Problems with installing Calibre on Ubuntu 16.04

I installed calibre. When i try to open it via console it states This application failed to start because it could not find or load the Qt platform plugin "xcb". Available platform plugins ...
0 votes
1 answer
1k views

(comics library) Convert multiple rar files to multiple cbr files

I'd like to convert my comic library to CBR to use in Calibre/ACBF Viewer/Mcomix and Android devices, but I dont want to do a single cbr file. Is there a faster way to do this? I use KDE and Unity ...
2 votes
1 answer
160 views

Calibre install hosed my desktop

So I installed Calibre -- the epub reader -- on my Xenial drive and noticed right away that the icons on my top-panel & my desktop were suddenly all-white with a red "X" on them. I re-booted, and ...
1 vote
1 answer
527 views

Calibre Startup Error : Bus Name already exists

I am unable to launch calibre application. I tried re-installing it. Yet, it still gives me the following message every time. calibre, version 2.55.0 ERROR: Startup error: There was an error during ...
4 votes
1 answer
302 views

Making calibre work with Aquaris M10 phablet?

Sending books from calibre to the M10 phablet connected to a laptop through an USB cable does not work out of the box. On the laptop, start calibre Plug the tablet to the laptop using a USB cable The ...
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4 votes
2 answers
11k views

How to convert this chm file to pdf? [duplicate]

I want to convert a chm file to a pdf file. Calibre's command ebook-convert ebook-convert 1.chm 1.pdf only converts the first 7 pages of the chm file into a pdf file, while the chm file has much more ...
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1 vote
1 answer
703 views

Calibre cannot load ImageMagick since upgrade to Vivid Vervet

I just upgraded to Ubuntu 15.04 and now Calibre won't work. File "/usr/lib/calibre/calibre/utils/magick/__init__.py", line 15, in <module> raise RuntimeError('Failed to load ImageMagick: '+...
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2 votes
0 answers
2k views

Kindle Paperwhite Ubuntu 14.04

I recently bought a Kindle Paperwhite. On initial connection with my Ubuntu 14.04 laptop, I had no issues. The Kindle was mounted, and I put some ebooks on the device using Calibre. However, now I ...
2 votes
1 answer
2k views

Calibre is not using GTK+ theme

I installed calibre from their site, not the packaged version, because it lags behind. It's working fine, but is using a different theme (plastic I guess) instead of my current theme (numix). Is there ...
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2 votes
0 answers
2k views

Convert a epub to a pdf filew with bookmarks preserved?

How can we convert a epub file to a pdf file, preserving bookmarks for toc? I use ebook-convert (calibre 0.8.38) to convert a epub file to a pdf file. $ ebook-convert in.epub out.pdf The epub file ...
  • 23.8k
1 vote
2 answers
172 views

Can you automatically mount a partition when a program needs it?

Is there a way to mount a partition automatically when calibre starts? My calibre library resides on another partition. I made set it up that way so that I can use the library both in windows and in ...
  • 183
5 votes
1 answer
3k views

Add notes to books in Calibre

Does anyone know of a plugin that lets you add notes to books in Calibre? I read quite a lot of books (actual books) and I'm quite used to add little side notes on small sticky notes. Since some ...
  • 3,253
4 votes
2 answers
19k views

How to install latest calibre (any package) on Ubuntu?

If I am installing calibre with apt-get, it installs version 1.25 # sudo apt-show-versions calibre calibre:all/trusty 1.25.0+dfsg-1build1 uptodate while it's current version is 2.6. Is it possible ...
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0 votes
1 answer
335 views

Calibre suddenly crashed

I had been using Calibre (downloaded from Ubuntu software center) on my Ubuntu 14.04 LTS. After adding some books to my library and a proper shutdown, the Calibre did not start. From Terminal too it ...
  • 529
0 votes
1 answer
488 views

passing port to calibre-server via env variable in upstart script

I'm trying to write an upstart script for calibre-server. I can add all the arguments I need using env variables except for --port. description "Calibre (ebook manager) content server" start on ...