Wednesday, January 13, 2016
Hi colin, I tried what you said, It reinstalled the ruby then rails, but when it downloaded the nokogiri1.6.7.0.gem, it showed error. But anyway rails was installed. When i checked the version it shows
On Wednesday, January 13, 2016 at 1:54:40 AM UTC+5:30, Colin Law wrote:
-- ~$ rails -v
Ignoring executable-hooks-1.3.2 because its extensions are not built. Try: gem pristine executable-hooks --version 1.3.2
Ignoring gem-wrappers-1.2.7 because its extensions are not built. Try: gem pristine gem-wrappers --version 1.2.7
Ignoring nokogiri-1.6.7.1 because its extensions are not built. Try: gem pristine nokogiri --version 1.6.7.1
Rails 4.2.5
On Wednesday, January 13, 2016 at 1:54:40 AM UTC+5:30, Colin Law wrote:
On 12 January 2016 at 18:19, vigneshwaran sivalingam <myna...@gmail.com> wrote:
> I was trying to install rails in ubuntu 14.04, but I am getting the
> following error.
>
> $gem install rails
> ERROR: Error installing rails:
> invalid gem: package is corrupt, exception while verifying: undefined
> method `size' for nil:NilClass (NoMethodError) in
> /home/usr/.rbenv/versions/2.2.3/lib/ruby/gems/2.2.0/cache/ nokogiri-1.6.7.1.gem
I advise using rvm for installing ruby and rails. Others prefer rbenv.
sudo apt install curl
gpg --keyserver hkp://keys.gnupg.net --recv-keys
409B6B1796C275462A1703113804BB82D39DC0E3
\curl -sSL https://get.rvm.io | bash -s stable --rails
The above should install the dependencies, rvm, ruby and rails.
See https://rvm.io
Colin
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