“gem update --system is disabled on Debian” error

Question

When I try to update rubygems (by running \'gem update --system\') I get this error:

ERROR:  While executing gem ... (RuntimeError)
gem update --system is disabl         


        

Answer 1

in debian wheezy

• remove rubygems

  apt-get remove rubygems

• get a source

  wget http://production.cf.rubygems.org/rubygems/rubygems-1.8.7.tgz

• uncompress source

  tar zxvf rubygems-1.8.7.tgz

• move directory

  cd rubygems-1.8.7

• run setup.rb with ruby

  ruby setup.rb

• update system

  gem update --system

then it'll installing newest versionand