How to use LibreOffice and unoserver to convert docx to pdf in Ubuntu/Debian

2023年8月29日 / kirito / 2 Comments

1. Install LibreOffice and unoserver with the following commands:

   apt install libreoffice python3 python3-pip
   pip install unoserver

2. Make sure the environment is ok:

   wget -O find_uno.py https://gist.githubusercontent.com/regebro/036da022dc7d5241a0ee97efdf1458eb/raw/find_uno.py
   python3 find_uno.py

3. Start unoserver and take a conversion in diffrerent command line prompt:

   python3 -m unoserver.server

   python3 -m unoserver.converter --convert-to pdf my.docx my.pdf

4. If you encounter the font problem, you should add windows fonts to Linux with the following steps.
   1. Copy all fonts files under C:\Windows\Fonts
   2. Remove the .fon files
   3. Copy the font files to Linux and paste the files in /usr/share/fonts/win/. and you should create win directory by yourself.
   4. Update the font cache with the following commands in /usr/share/fonts/win/ :

      mkfontscale
      mkfontdir
      fc-cache

      If you cannot find the commands, run

      apt-get install xfonts-utils

   5. You can also check the font status via fc-list
5. Create a system service for unoserver in /etc/systemd/system/unoserver.service:

   [Unit]
   Description=unoserver
   After=network.target
   
   [Install]
   WantedBy=multi-user.target
   
   [Service]
   Type=simple
   User=root
   Group=root
   ExecStart=/usr/local/bin/unoserver
   Environment=PYTHONUNBUFFERED=true
   Restart=on-failure
   RestartSec=3

   You should also use systemctl daemon-reload to take effect. And if you want to make the service on startup, run systemctl enable daemon-reload

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