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Schlagwort: Fedora41

Linux: Convert a png file into a pdf file

Linux: Convert a png file into a pdf file

Important: I have only tested with png files. Other important notes: You have to install the programs tesseract and pandoc for this script. What is tesseract? A commercial quality OCR engine originally developed at HP between 1985 and 1995. In 1995, this engine was among the top 3 evaluated by UNLV. It was open-sourced by HP and UNLV in 2005. The website of tesseract. What is pandoc? This package provides a command-line executable that uses the pandoc library to convert…

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DBeaver for my MySQL databases

DBeaver for my MySQL databases

I used in the past the MySQL Workbench as a stand-alone program in my Fedora desktop. But after a while the distribution did not support the Workbench directly. It could only install it via snap. But in snap you have the problem, that this service produces a lot of log entries into a file in /var/log/messages* so you had to delete this big files after a while. The other solution was to use the MySQL workbench as a plugin in…

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My first steps in the (old) program language C

My first steps in the (old) program language C

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I tried once in the past the program language C. But I read that C has updates as C++ and it is still in use with Linux, my operating system. It will display the area code and the main number. I’m using the gcc 14.3.1 compiler in Linux, Fedora 41 at the moment. sven@fedora:~$ gcc –versiongcc (GCC) 14.3.1 20250808 (Red Hat 14.3.1-3)Copyright (C) 2024 Free Software Foundation, Inc.Dies ist freie Software; die Kopierbedingungen stehen in den Quellen. Esgibt KEINE Garantie;…

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Fedora 41 Change root password

Fedora 41 Change root password

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You can change your root password on several ways, if you forgot it. The short way sudo su passwd or sudo passwd root Or the long way Restart the system: Restart the system or switch it on. GRUB menu: Press a key (e or c) during the startup process to edit the GRUB startup menu (the boot loader). Edit boot parameters: Find the line that starts with linux or linuxefi. Add a new parameter at the end of this line….

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Calibre could not start in Fedora 41 (Linux)

Calibre could not start in Fedora 41 (Linux)

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What is Calibre? Calibre: The one-stop solution for all your e-book needs Problem description I could not start the program in Fedora 41 and the command line, the Bash, told me this: sven@fedora:~$ calibre Traceback (most recent call last):File „/usr/bin/calibre“, line 21, insys.exit(calibre())~^^ File „/usr/lib64/calibre/calibre/gui_launch.py“, line 73, in calibre main(args) ^^^^^^ File „/usr/lib64/calibre/calibre/gui2/main.py“, line 547, in main run_main(app, opts, args, gui_debug, si, retry_communicate=True) ~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^File „/usr/lib64/calibre/calibre/gui2/main.py“, line 559, in run_mainreturn run_gui(opts, args, app, gui_debug=gui_debug)File „/usr/lib64/calibre/calibre/gui2/main.py“, line 397, in run_guirun_gui_(opts, args, app,…

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