I created a new Rails project in a directory, say Desktop (rails new project1). After that, I ran the following command:
rails server
Then, the project1 was running on localhost.
After that, I made another directory with name (project1) in another location. I copied all the files from the previous location to new location. After that, when I ran the following command:
rails server
I got the following error message:
Rails is not currently installed on this system.
But it is working in the previous directory. How do I solve this?
If you are totally new to Rails development and System administration it is rather complicated in the beginning. I recommend any kind of Rails tutorial to you for examply by Michael Hartl .
As Graeme McLean points out you somewhen understand that there is information about your environment needed to help you.
Most likely the requirements you need to be set up are not set up in the place you did copy your rails project as Pavan and Thaha kp pointed out.
Related
very new to all this. I am following a tutorial to get Heroku running through ruby on rails.
I have Microsoft Windows so I am currently following Heroku's official tutorial and am stuck here
I installed PostgresSQL 10.1 using windows installer x86-64 and have noted my login information for Postgres.
However, I do not understand this part:
Remember to update your PATH environment variable to add the bin
directory of your Postgres installation. The directory will be similar
to this: C:\Program Files\PostgreSQL\<VERSION>\bin. If you forget to
update your PATH, commands like heroku pg:psql won’t work.
The closest thing I could find to an explanation and tutorial was this Java site.
I went inside Enviromental Variables and set the system path to: C:\Program Files\PostgreSQL\10\bin
However, when I tried testing it out by typing in heroku pg:psql, it said no app specified so I'm unsure if I did it correctly or not.
Also, the next tutorial step is:
Open the config\database.yml file and set the username and password
for your local (development) database. Look for these line:
I searched and I have no such file on my computers. Needless to say, I'm stumped. Any assistance to progress through the tutorial is appreciated. Thank you.
regarding your first error, the problem is that you are not specifying for which app you want to open the database cli (psql). Hopefully, the solution is easy:
heroku pg:psql --app app_name
# or
heroku pg:psql -a app_name
About the second question, the tutorial assumes that you have already created an application.
If you go to the root path of your project, you will find some subfolders such as app, config, db, lib, public, tmp, vendor.. Here you will find config\database.yml.
I have a complete ruby project on my system that I downloaded from github.com and I want to run it on my Windows machine.
I have already installed Ruby and Rails on my system, but I have no idea how to run this project. The directory of this project is something like:
C:\Users\{username}\Desktop\BitcoinFundi\BitcoinFundi
How would I run this project on my system?
To run your Ruby on Rails application, use the following command:
rails server
This will start the server and you will be able to access the application in your browser at http://localhost:3000. Port 3000 is default and you can change it in the application settings.
To run a Ruby script use:
ruby name_of_script.rb
You should check out various resources and tutorials on getting started with rails.
As you say in your comment this is your first experience with Ruby on Rails, I think you should follow through chapter 1 and 2 (at least) of Ruby on Rails Tutorial. After that you should have a better understanding of how you start up a rails app and configure the DB. You also need a bunch of other libraries and software such as mysql from the sounds of it.
You should also read Getting Started with Rails. Section 4 covers how to start the default rails server.
Here is a guide on setting up a Rails environment for Windows, which is one of many guides, that shows you some of the needed steps to get a fully working environment.
I'm not a RoR programmer myself, but a good client of ours has sent a project their previous web team built and I need to get it up and running on their server.
The server uses cPanel and Ruby on Rails is already installed. I've created a project via the cPanel wizard and located the file tree via SSH.
Using SSH, I've tried to replace this file tree with the project I've been sent, but when I hit 'run' in cPanel, the application doesn't actually start (although the success message would indicate that it has).
If I leave the original cPanel-created application in place, I can run/stop no problem and the web interface at :12001 opens up just fine.
I assume there are either conflicts with RoR versions that I need to resolve, or there's simply more to it than just replacing the file tree? Again I'm not a RoR programmer and I'm having a hard time finding a migration guide that tells me anything other than "set up in cPanel and replace the files".
I'd very much appreciate either some genuinely useful links to RoR application setup/migration guides (ideally for cPanel) or a step-by-step answer please.
First, forget Cpanel for now. Try in one environment where you can control everything.
Try to know better the rails version used and the associated gem19s or plugin if from 2.x days. The ruby version is important too, only then you can start defining a plan.
I'm afraid you won't get a step-by-step answer, but I'm sure you can be pointed in the right direction by providing the requested information.
Simple questions: Do you have a Gemfile file at the top at your project? Do you have any plugins (stuff in vendor/plugins)?
Update:
With the Gemfile provided here are the required steps:
Install ruby (if you haven't install it using rvm. The version 1.9.3-x should be the safest.
Install rubygems
Install bundler
Go the project dir and run bundle install
run rake db:migrate (assure you have the database setup acording to config/database.yml
run rails s and check the logs and see if the server is up.
If after installing bundler, you don't have the bundle command in your path, you need to add this your .bash_profile:
PATH=$PATH:$HOME/.local/bin:$HOME/bin
export PATH
I'm pretty new to Rails.
I created a new Rails app: rails new app_name, and ran rails server etc.
But, once I shut down and reopened my machine, I can run neither rails server nor rails console. It says to use the rails new app_name command again, but I just want to restart where I left off the day before.
Any advice is very much appreciated.
I'm guessing your current working directory of your command line is not in your project directory which you created yesterday.
cd some_path/to_my/rails_project
rails server
You must be in the directory that represents your project to do things like launch the server. Otherwise, how does it know what project to launch a server for?
Just make sure you are in the directory of the rails app you created. Sounds like you aren't.
I've inherited a small Rails project from a new client and unfortunately the previous developer(s) left essentially no information other than the Rails app instance running in production. (No source repository, no documentation, just the login to the production server.)
Inspecting the server shows Rails version 2.3.8 installed (confirmed by the version number in "config/environment.rb") but when I try to run "ruby script/console" (or "server") on my local dev environment I get (essentially fatal) error messages originating from files in "vendor/rails/railties" and searching the internet for "railties" shows a lot of Rails 3 documentation.
I'm guessing that a previous developer/maintainer crossed the Rails 2/3 streams somehow. Should I be ok to just delete the entire "vendor/rails" directory or am I missing something?
What kind of error are you getting? Do you know that your local environment is the same as production? Do other Rails 2.3.8 projects run fine on your machine?
Now, I think it should be fine to remove vendor/rails with the exception being that if the previous developer monkeypatched something in Rails, but directly in the vendor/rails directory. Then, you might have a problem.
This approach might be a bit tedious, but I might go as follows:
Clone 2.3.8 somewhere else on my machine.
Check it in to some form of version control.
Copy your version of 2.3.8 from the project into the newly cloned directory.
Diff it.
This should show you if the previous developer made any changes, both significant and insignificant, to Rails.
Good luck, because this doesn't sound very fun :(