Are you looking for command line tools to help you render web pages to PDF or to an image?. wkhtmltopdf and wkhtmltoimage are open source tools created to be used in a command line interface which makes them fit for integration to other applications. If you’re on a Cloud platform such as AWS, you can create serverless Lambda functions to aid in conversion processing with wkhtmltopdf & wkhtmltoimage.
To install wkhtmltopdf & wkhtmltoimage command line tools on Amazon Linux 2 server you’ve to download the RPM package then use yum package manager to install it on Amazon Linux 2 system.
First install wget downloader:
sudo yum -y install wgetOnce you have wget command line tool use it to pull the latest wkhtmltopdf RPM package:
wget https://github.com/wkhtmltopdf/packaging/releases/download/0.12.6-1/wkhtmltox-0.12.6-1.amazonlinux2.x86_64.rpmInstall the tool with yum:
sudo yum install ./wkhtmltox-0.12.6-1.amazonlinux2.x86_64.rpmYou will be prompted to accept the installation by pressing the y key in your command:
Dependencies Resolved
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Package Arch Version Repository Size
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Installing:
wkhtmltox x86_64 1:0.12.6-1.amazonlinux2 /wkhtmltox-0.12.6-1.amazonlinux2.x86_64 118 M
Installing for dependencies:
xorg-x11-fonts-75dpi noarch 7.5-9.amzn2 amzn2-core 2.8 M
Transaction Summary
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Install 1 Package (+1 Dependent package)
Total size: 121 M
Total download size: 2.8 M
Installed size: 121 M
Is this ok [y/d/N]: yTo check release version of wkhtmltopdf use the commands below.
$ wkhtmltopdf --version
wkhtmltopdf 0.12.6 (with patched qt)The same applies for wkhtmltoimage:
$ wkhtmltoimage --version
wkhtmltoimage 0.12.6 (with patched qt)Usage help pages can be checked with –help command options.
$ wkhtmltoimage --help
Name:
wkhtmltoimage 0.12.6 (with patched qt)
Synopsis:
wkhtmltoimage [OPTIONS]... <input file> <output file>
Description:
Converts an HTML page into an image,
General Options:
--crop-h <int> Set height for cropping
--crop-w <int> Set width for cropping
--crop-x <int> Set x coordinate for cropping
--crop-y <int> Set y coordinate for cropping
-H, --extended-help Display more extensive help, detailing
less common command switches
-f, --format <format> Output file format
--height <int> Set screen height (default is calculated
from page content) (default 0)
-h, --help Display help
--license Output license information and exit
--log-level <level> Set log level to: none, error, warn or
info (default info)
--quality <int> Output image quality (between 0 and 100)
(default 94)
-q, --quiet Be less verbose, maintained for backwards
compatibility; Same as using --log-level
none
-V, --version Output version information and exit
--width <int> Set screen width, note that this is used
only as a guide line. Use
--disable-smart-width to make it strict.
(default 1024)
Contact:
If you experience bugs or want to request new features please visit
<https://wkhtmltopdf.org/support.html>See all usage command options and flags for wkhtmltopdf:
$ wkhtmltopdf --helpYou can now start using wkhtmltopdf and wkhtmltopdf tools on your Amazon Linux 2 machine.
If you get Error wkhtmltopdf: error while loading shared libraries: libpng16.so.16: cannot open shared object file: No such file or directory. then check out our article here Fix error loading shared libraries: libpng16.so.16: cannot open shared object file
