Tag: ruby

  • Upgrade ruby gem

    To upgrade a ruby gem run

    gem update --system VERSION_HERE

    Example

    gem update --system 1.3.7

    See Ruby

  • gem install error libxslt is missing

    When installing ruby gem, i get following error

    [root@video1 cms]# gem install sanitize -v 1.2.1 --no-ri --no-rdoc
Building native extensions.  This could take a while...
ERROR:  Error installing sanitize:
	ERROR: Failed to build gem native extension.

/usr/local/rvm/rubies/ruby-1.8.7-head/bin/ruby extconf.rb
checking for libxml/parser.h... yes
checking for libxslt/xslt.h... no
-----
libxslt is missing.  please visit http://nokogiri.org/tutorials/installing_nokogiri.html for help with installing dependencies.
-----
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of
necessary libraries and/or headers.  Check the mkmf.log file for more
details.  You may need configuration options.

Provided configuration options:
	--with-opt-dir
	--without-opt-dir
	--with-opt-include
	--without-opt-include=${opt-dir}/include
	--with-opt-lib
	--without-opt-lib=${opt-dir}/lib
	--with-make-prog
	--without-make-prog
	--srcdir=.
	--curdir
	--ruby=/usr/local/rvm/rubies/ruby-1.8.7-head/bin/ruby
	--with-zlib-dir
	--without-zlib-dir
	--with-zlib-include
	--without-zlib-include=${zlib-dir}/include
	--with-zlib-lib
	--without-zlib-lib=${zlib-dir}/lib
	--with-iconv-dir
	--without-iconv-dir
	--with-iconv-include
	--without-iconv-include=${iconv-dir}/include
	--with-iconv-lib
	--without-iconv-lib=${iconv-dir}/lib
	--with-xml2-dir
	--without-xml2-dir
	--with-xml2-include
	--without-xml2-include=${xml2-dir}/include
	--with-xml2-lib
	--without-xml2-lib=${xml2-dir}/lib
	--with-xslt-dir
	--without-xslt-dir
	--with-xslt-include
	--without-xslt-include=${xslt-dir}/include
	--with-xslt-lib
	--without-xslt-lib=${xslt-dir}/lib


Gem files will remain installed in /usr/local/rvm/gems/ruby-1.8.7-head/gems/nokogiri-1.4.7 for inspection.
Results logged to /usr/local/rvm/gems/ruby-1.8.7-head/gems/nokogiri-1.4.7/ext/nokogiri/gem_make.out
[root@video1 cms]#

    Soluton

    Install missing libxslt devel package.

    On CentOS installed.

    yum install -y libxslt-devel

    For error “libxml2 is missing.”, install

    yum install -y libxml2-devel

  • Ruby

    Install ruby from source
    Install rvm (ruby version manager)
    Nginx Rails Origin header didn’t match request.base_url

    Gem Package Manager

  • Install ruby from source

    Install ruby from source

    Ruby Programming

    Download latest version of ruby source code from

    https://www.ruby-lang.org/en/downloads/

    At the time of writing this, latest version is 2.6.0

    cd /usr/local/src
wget https://cache.ruby-lang.org/pub/ruby/2.6/ruby-2.6.0.tar.gz
tar -zxvf ruby-2.6.0.tar.gz
cd ruby-2.6.0
./configure
make
make install

  • rvm

    rvm is ruby version manager. Allow you to have multiple ruby version.

    To install rvm, run

    gpg --keyserver hkp://keys.gnupg.net --recv-keys 409B6B1796C275462A1703113804BB82D39DC0E3
curl -sSL https://get.rvm.io | bash -s stable

    To install a ruby version, run

    rvm install 2.4.2

    To set it default, use

    rvm --default use 2.4.2