P
Pen Ttt
in my terminal
pt@pt-laptop:~$ gem
RubyGems is a sophisticated package manager for Ruby. This is a
basic help message containing pointers to more information.
Usage:
gem -h/--help
gem -v/--version
gem command [arguments...] [options...]
Examples:
gem install rake
gem list --local
gem build package.gemspec
gem help install
Further help:
gem help commands list all 'gem' commands
gem help examples show some examples of usage
gem help platforms show information about platforms
gem help <COMMAND> show help on COMMAND
(e.g. 'gem help install')
gem server present a web page at
http://localhost:8808/
with info about installed gems
Further information:
http://rubygems.rubyforge.org
pt@pt-laptop:~$ gem install nokogiri
ERROR: While executing gem ... (Gem::FilePermissionError)
You don't have write permissions into the
/usr/local/ruby/lib/ruby/gems/1.9.1 directory.
pt@pt-laptop:~$ sudo gem install nokogiri
sudo: gem: command not found
how can i install nokogiri in my computer?what's wrong with my computer?
pt@pt-laptop:~$ gem
RubyGems is a sophisticated package manager for Ruby. This is a
basic help message containing pointers to more information.
Usage:
gem -h/--help
gem -v/--version
gem command [arguments...] [options...]
Examples:
gem install rake
gem list --local
gem build package.gemspec
gem help install
Further help:
gem help commands list all 'gem' commands
gem help examples show some examples of usage
gem help platforms show information about platforms
gem help <COMMAND> show help on COMMAND
(e.g. 'gem help install')
gem server present a web page at
http://localhost:8808/
with info about installed gems
Further information:
http://rubygems.rubyforge.org
pt@pt-laptop:~$ gem install nokogiri
ERROR: While executing gem ... (Gem::FilePermissionError)
You don't have write permissions into the
/usr/local/ruby/lib/ruby/gems/1.9.1 directory.
pt@pt-laptop:~$ sudo gem install nokogiri
sudo: gem: command not found
how can i install nokogiri in my computer?what's wrong with my computer?