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INSTALL  view on Meta::CPAN

  dnf install perl perl-devel perl-Module-Signature perl-Version-Requirements
  dnf group install "Development Tools"
  dnf       install llvm-toolse

Install cpanm

  curl -L http://cpanmin.us | /usr/bin/perl - App::cpanminus

  vi /etc/profile.d/perlbin.sh
    #!/bin/sh
    [ -d /usr/bin/site_perl ]   && PATH=${PATH}:/usr/bin/site_perl
    [ -d /usr/bin/vendor_perl ] && PATH=${PATH}:/usr/bin/vendor_perl
    [ -d /usr/bin/core_perl ]   && PATH=${PATH}:/usr/bin/core_perl
    export PATH

  source /etc/profile.d/perlbin.sh

Install Perl modules

  cpanm ExtUtils::MakeMaker
  cpanm ExtUtils::Config
  cpanm Test::More

  cpanm Data::Dumper
  cpanm YAML::XS
  cpanm XML::Hash::XS
  cpanm Cpanel::JSON::XS
  cpanm URI
  cpanm IO::HTML
  cpanm HTTP::Headers
  cpanm HTTP::Entity::Parser
  cpanm Template::Toolkit
  cpanm Moo
  cpanm Net::Server
  cpanm Starman
  cpanm HTTP::Server::Simple
  cpanm HTTP::Server::PSGI
  cpanm Params::Validate
  cpanm Params::Util
  cpanm Plack
  cpanm Plack::Handler::HTTP::Server::Simple
  cpanm Plack::Middleware::Deflater
  cpanm AnyEvent
  cpanm Dancer2
  cpanm Dancer2::Plugin::WebService

Check the dancer2 version

  $(/usr/bin/which dancer2) version

Check the installed plackup utility

  plackup=$(/usr/bin/find /usr/bin -name plackup -type f)
  [ -x "$plackup" ] && echo ok || echo Sorry, could not found the plackup
  $plackup --version

Make executable any authentication script that needs root privileges, e.g the  Linux_native_authentication.sh

  /usr/bin/find $(/usr/bin/perl -M File::Basename -E 'use Dancer2::Plugin::WebService; print [ fileparse $INC{"Dancer2/Plugin/WebService.pm"} ]->[1]') -regex ".*\.\(sh\|pl|py\)\$"
  /usr/bin/find $(/usr/bin/perl -M File::Basename -E 'use Dancer2::Plugin::WebService; print [ fileparse $INC{"Dancer2/Plugin/WebService.pm"} ]->[1]') -regex ".*\.\(sh\|pl|py\)\$" -type f -exec /usr/bin/chmod 755 {} \;

Give the authentication scripts   sudo "no password prompt" e.g

  vi /etc/sudoers.d/Dancer2-Plugin-WebService

    dancer ALL=(ALL:ALL) NOPASSWD: /usr/share/perl5/site_perl/Dancer2/Plugin/AuthScripts/Linux_native_authentication.sh

To view the Dancer2::Plugin::WebService documentation using your web browser

  [ -f /home/dancer/pod2htmd.tmp ] && unlink /home/dancer/pod2htmd.tmp
  pod2html --infile=/opt/Dancer2-Plugin-WebService/lib/Dancer2/Plugin/WebService.pm --outfile=/tmp/index.html --title="Dancer2 WebService" --verbose

  pacman -S darkhttpd
  darkhttpd /tmp --addr 0.0.0.0 --port 80 --chroot --daemon --index index.html # Start the web server at the background

  http://yourserver

Please follow the CREATE_SAMPLE_APPLICATION document to create the "TestService" application for practice