I installed Ruby on Rails on my Ubuntu 10.04 Server with the official guide: https://help.ubuntu.com/10.04/serverguide/C/ruby-on-rails.html
But I have some problems with this. Please help me!
1) I can’t install ANY gem!
sudo gem install sqlite3-ruby
returns
ERROR: Error installing sqlite3-ruby: ERROR: Failed to create native extension.
/usr/bin/ruby1.8 extconf.rb extconf.rb: 3: in `require ': no such file to download - mkmf (LoadError) from extconf.rb: 3
Gem files will be installed in / var / lib / gems / 1.8 / gems / sqlite3-1.3.3 for verification. Results recorded in / var / lib / gems / 1.8 / gems / sqlite3-1.3.3 / ext / sqlite3 / gem_make.out
2) When I try to get the version of Rails with the command
rails -v
The server prints:
getopt: - 'v' ...