ROR for linux , I got a problem when creating a server

Rails
1

how do I fix this problem ?

andika@andika-HP:~/andikanug$ rails s
Warning: Running gem pristine --all to regenerate your installed
gemspecs (and deleting then reinstalling your bundle if you use bundle
–path) will improve the startup performance of Spring.
/var/lib/gems/2.1.0/gems/execjs-2.5.2/lib/execjs/runtimes.rb:48:in
autodetect': Could not find a JavaScript runtime. See https://github.com/rails/execjs for a list of available runtimes. (ExecJS::RuntimeUnavailable) from /var/lib/gems/2.1.0/gems/execjs-2.5.2/lib/execjs.rb:5:inmodule:ExecJS’
from /var/lib/gems/2.1.0/gems/execjs-2.5.2/lib/execjs.rb:4:in <top (required)>' from /var/lib/gems/2.1.0/gems/uglifier-2.7.1/lib/uglifier.rb:3:inrequire’
from /var/lib/gems/2.1.0/gems/uglifier-2.7.1/lib/uglifier.rb:3:in
<top (required)>' from /var/lib/gems/2.1.0/gems/bundler-1.9.4/lib/bundler/runtime.rb:76:inrequire’
from
/var/lib/gems/2.1.0/gems/bundler-1.9.4/lib/bundler/runtime.rb:76:in
block (2 levels) in require' from /var/lib/gems/2.1.0/gems/bundler-1.9.4/lib/bundler/runtime.rb:72:ineach’
from
/var/lib/gems/2.1.0/gems/bundler-1.9.4/lib/bundler/runtime.rb:72:in
block in require' from /var/lib/gems/2.1.0/gems/bundler-1.9.4/lib/bundler/runtime.rb:61:ineach’
from
/var/lib/gems/2.1.0/gems/bundler-1.9.4/lib/bundler/runtime.rb:61:in
require' from /var/lib/gems/2.1.0/gems/bundler-1.9.4/lib/bundler.rb:134:inrequire’
from /home/andika/andikanug/config/application.rb:7:in <top (required)>' from /var/lib/gems/2.1.0/gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:78:inrequire’
from
/var/lib/gems/2.1.0/gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:78:in
block in server' from /var/lib/gems/2.1.0/gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:75:intap’
from
/var/lib/gems/2.1.0/gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:75:in
server' from /var/lib/gems/2.1.0/gems/railties-4.2.1/lib/rails/commands/commands_tasks.rb:39:inrun_command!’
from
/var/lib/gems/2.1.0/gems/railties-4.2.1/lib/rails/commands.rb:17:in
<top (required)>' from /home/andika/andikanug/bin/rails:8:inrequire’
from /home/andika/andikanug/bin/rails:8:in <top (required)>' from /var/lib/gems/2.1.0/gems/spring-1.3.4/lib/spring/client/rails.rb:28:inload’
from
/var/lib/gems/2.1.0/gems/spring-1.3.4/lib/spring/client/rails.rb:28:in
call' from /var/lib/gems/2.1.0/gems/spring-1.3.4/lib/spring/client/command.rb:7:incall’
from /var/lib/gems/2.1.0/gems/spring-1.3.4/lib/spring/client.rb:26:in
run' from /var/lib/gems/2.1.0/gems/spring-1.3.4/bin/spring:48:in<top
(required)>’
from /var/lib/gems/2.1.0/gems/spring-1.3.4/lib/spring/binstub.rb:11:in
load' from /var/lib/gems/2.1.0/gems/spring-1.3.4/lib/spring/binstub.rb:11:in<top (required)>’
from /usr/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in
require' from /usr/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:inrequire’
from /home/andika/andikanug/bin/spring:13:in <top (required)>' from bin/rails:3:inload’
from bin/rails:3:in `’
andika@andika-HP:~/andikanug$

2

On 23 April 2015 at 13:52, Andika Andika N. [email protected]
wrote:

Could not find a JavaScript runtime

Either install nodejs
sudo apt-get install nodejs
or include in Gemfile
gem ‘execjs’
gem ‘therubyracer’

Colin

3

On 23 April 2015 at 14:36, Colin L. [email protected] wrote:

On 23 April 2015 at 13:52, Andika Andika N. [email protected] wrote:

Could not find a JavaScript runtime

Either install nodejs
sudo apt-get install nodejs
or include in Gemfile
gem ‘execjs’
gem ‘therubyracer’

Colin

And I didn’t even say you should have googled for the error message.

Don’t forget to do
bundle install
after changing Gemfile, and if you are a beginner to Rails then start
by working right through a good tutorial such as railstutorial.org,
which is free to use online.

Colin

4

Andika, that is for you:
http://www.catb.org/esr/faqs/smart-questions.html

On Thu, Apr 23, 2015 at 2:52 PM, Andika Andika N.
<[email protected]