How to start rails console on my ubuntu server

Question

I'm debugging an issue with a rails app on my ubuntu server and i'm trying to start the rails console to run a command, but this is what happens when I try to start the console:

myuser@rails-server1:/var/www/myapp/current$ rails c
The program 'rails' can be found in the following packages:
 * ruby-railties-3.2
 * ruby-railties-4.0
Try: sudo apt-get install <selected package>

Rails is definitely installed because my app is running and the gem is installed in this dir:

/var/www/myapp/shared/bundle/ruby/2.0.0/gems

So how can i actually start the rails console?

how did you install rails?

kasperite
– kasperite

2015-01-07 22:42:31 +00:00
Commented Jan 7, 2015 at 22:42 — kasperite
– kasperite, Commented Jan 7, 2015 at 22:42

Catfish · Accepted Answer · 2015-01-08 00:40:14Z

7

bundle exec to the rescue:

$ bundle exec rails console

answered Jan 8, 2015 at 0:40

Catfish

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1 Comment

The Whiz of Oz Over a year ago

I should probably add that you will need to run that command from your Rails application folder on your Ubuntu server

user3853034 · Accepted Answer · 2015-01-07 23:13:58Z

1

I had this same issue once. In my case it had to do with RVM.

Add this to your ~/.bashrc

# This loads RVM into a shell session.
[[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm"

This loads rvm each time you load a new terminal session.

answered Jan 7, 2015 at 23:13

user3853034

1 Comment

user3853034 Over a year ago

Should this work, then you should be able to load the console as normal ("rails c").

Doon · Accepted Answer · 2015-01-08 01:01:50Z

1

looks likes rails isn't in your path, so you will need to specify a path to it (and generally speaking . isn't in your path on any sanely configured *nix box)

so try this in /var/www/myapp/current

RAILS_ENV=production ./bin/rails console

That should get you a console using the version of rails that was installed in your bundle and get you into the correct environment.

answered Jan 8, 2015 at 1:01

Doon

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Comments

Daniel Loureiro · Accepted Answer · 2015-01-08 17:07:24Z

First, let's discover how did you install Ruby: by apt-get, rvm or rbenv:

open a shell and type this

# type rbenv | head -1
# type rvm | head -1

each command will return a "xxx is a function" or a "-bash: type: xxx: not found" (where "xxx" is "rbenv" or "rvm").

"xxx is a function" means that you had installed via xxx method.

If both commands returns "xxx: not found", then you had installed via apt-get and you will need to re-install via rbenv or rvm.

Now that you know what manager you had use, let's try to fix the problem.

If you installed via RVM, try this:

# \curl -sSL https://get.rvm.io | bash -s -- --ignore-dotfiles
# echo "source $HOME/.rvm/scripts/rvm" >> ~/.bash_profile

If you installed via RBENV, try this:

# echo 'export PATH="$HOME/.rbenv/bin:$PATH"' >> ~/.bashrc

Close the terminal, re-open and try again your "rails c"

PS: If nothing of this works, try to install another manager (if you are using RVM, try to install via RBENV, and vice-versa).

Sanjiv · Accepted Answer · 2015-01-09 07:51:26Z

1

Better would be to use bundler when running rails specific command as

"bundle exec RAILS_TASK" like in these case "bundle exec rails s". When using bundler, it will find executable file in their GEM_PATH which is set during installation of ruby.

answered Jan 9, 2015 at 7:51

Sanjiv

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