the problem when i upgrade to 1-8-5

[todo01]

the old stuffs are dead...should I reinstall rails and lighttpd and so
on ???i just did not know that upgrade ruby wil make me lost these
things.
ji-wen-jideibook-g4:~/expenses jiwen$ script/server webrick
../script/../config/boot.rb:18:in `require': no such file to load --
rubygems (LoadError)
from ./script/../config/boot.rb:18
from script/server:2:in `require'
from script/server:2
ji-wen-jideibook-g4:~/expenses jiwen$ gem
/usr/local/bin/gem:9:in `require': no such file to load -- rubygems
(LoadError)
from /usr/local/bin/gem:9
ji-wen-jideibook-g4:~/expenses jiwen$ cd
ji-wen-jideibook-g4:~ jiwen$ rails brablog
/usr/local/bin/rails:9:in `require': no such file to load -- rubygems
(LoadError)
from /usr/local/bin/rails:9
j
irb(main):005:0> ji-wen-jideibook-g4:~ jiwen$
ji-wen-jideibook-g4:~ jiwen$ rails good
/usr/local/bin/rails:9:in `require': no such file to load -- rubygems
(LoadError)
from /usr/local/bin/rails:9

need help

 

[Hemant Kumar]

the old stuffs are dead...should I reinstall rails and lighttpd and so
on ???i just did not know that upgrade ruby wil make me lost these
things.
ji-wen-jideibook-g4:~/expenses jiwen$ script/server webrick
./script/../config/boot.rb:18:in `require': no such file to load --
rubygems (LoadError)
from ./script/../config/boot.rb:18
from script/server:2:in `require'
from script/server:2

You got to install rubygems package:

http://rubyforge.org/frs/download.php/11290/rubygems-0.9.0.zip