wkhtmltopdf wkhtmltoimage: cannot connect to X server

Question

I compiled wkhtmltopdf from source on Ubuntu 64bit server 10.04 as described in manual. When I try to convert it exits with an error message:

wkhtmltoimage: cannot connect to X server

There is X server installed but not running.
If I download already built version it is working but sometimes throws "Segmentation fault" exception.

So how to make compiled from source version work?

Anand Jose · Answer

I faced the above issue in  Ubuntu 18.04
Solved the issue by upgrading the wkhtmltoimage to 0.12.5.1

Download the dep/rpm/exe format from the Github release page link here

In ubuntu
wget https://github.com/wkhtmltopdf/wkhtmltopdf/releases/download/0.12.5/wkhtmltox_0.12.5-1.bionic_amd64.deb
sudo dpkg -i wkhtmltox_0.12.5-1.bionic_amd64.deb

(link need to replace with your matching version in GitHub release page

jnbdz · Answer

I think you need to install xvfb (Virtual Framebuffer 'fake' X server):

apt-get install xvfb

Then in the terminal:

xvfb-run wkhtmltoimage --format png --quality 100 --no-debug-javascript --height 800 http://facebook.com/ fb.png

wkhtmltopdf wkhtmltoimage: cannot connect to X server

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