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13.10 - Why do I need to run "/bin/bash --login" - Ask Ubuntu
https://askubuntu.com/questions/444880/why-do-i-need-to-run-bin-bash-login
2 Answers 2 2 Answers 2 16 It sounds like the environment necessary for the system to find the installed ruby components is specified in a file that only gets read for login shells. The bash manual page has this to say about the difference between login shells and non-login shells: INVOCATION A login shell is one whose first character of argument zero is a -, or one started with the --login option. and When bash is invoked as an interactive login shell, or as a non-inter‐ active shell with the --login option, it first reads and executes com‐ mands from the file /etc/profile, if that file exists. After reading that file, it looks for ~/.bash_profile, ~/.bash_login, and ~/.profile, in that order, and reads and executes commands from the first one that exists and is readable. whereas When an interactive shell that is not a login shell is started, bash reads and executes commands from /etc/bash.bashrc and ~/.bashrc, if these files exist. Hence if the ruby environment variables are in /home/rails/.profile or /etc/profile for example, they will be added to the shell environment by explicitly invoking a login shell using su -l rails or su --login rails or the shorthand su - rails
when user rails logs in via SSH
by starting a subshell as bash --login after login If you want the ruby environment to be set regardless of how you switch to user rails, you could move the relevant variable definitions to the user's ~/.bashrc instead. Follow answered Apr 8 '14 at 14:43 steeldriver 116k1717 gold badges203203 silver badges292292 bronze badges 1 Hmmm, ok, i think i need an example of the last part. I'm new to linux and ubuntu. What are the relevant variable definitions? In what file are they written now? could you give me an example? This is a bit to theoretical. – Apr 8 '14 at 19:27 | 7 I know that this question was asked 2 years ago, but in case if somebody (like me) still facing it: @steeldriver is right -- you are missing something in your bashrc which you do have in one of those 3 files. In my case I just needed to add this line into mine ~/.bashrc: [[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm" Follow answered Jul 7 '16 at 15:00 PepeHands 31744 silver badges1515 bronze badges | Not the answer you're looking for? Browse other questions tagged 13.10 bash login ruby rvm or ask your own question. Not the answer you're looking for? Browse other questions tagged or .
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Creating a Login with Simple Auth using Ruby on Rails | …
https://medium.com/@rmeji1/creating-a-login-with-simple-auth-using-ruby-on-rails-7dd95a03cb7a
Oct 25, 2019 . Creating a Login with Simple Auth using Ruby on Rails. This is a story all about how my life got twisted upside down…. No, but really though. It all started when I …
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The Rails Command Line — Ruby on Rails Guides
https://guides.rubyonrails.org/command_line.html
The console command lets you interact with your Rails application from the command line. On the underside, bin/rails console uses IRB, so if you've ever used it, you'll be right at home. This is useful for testing out quick ideas with code and changing … login
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The Rails Command Line — Ruby on Rails Guides
https://guides.rubyonrails.org/v6.0/command_line.html
The most common commands of the db: rails namespace are migrate and create, and it will pay off to try out all of the migration rails commands (up, down, redo, reset). rails db:version is useful when troubleshooting, telling you the current version of the database. login
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ruby on rails - Heroku Login windows 10 - Stack Overflow
https://stackoverflow.com/questions/35211790/heroku-login-windows-10
Mar 06, 2016 . After installing heroku toolbelt $ heroku version heroku/toolbelt/3.42.33 (i386-mingw32) ruby/2.1.7 heroku-cli/4.27.18-9b2b68a (386-windows) go1.5.3 === Installed Plugins [email protected] heroku-... Reviews: 1
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Ruby on Rails Cheat Sheet | PagerTree
https://pagertree.com/2021/01/12/rails-cheat-sheet/
HashesHasheswere one of the most confusing things to me when first starting ruby (not because they are a new concept, but because I found the syntax very hard to read). In newer versions, syntax is very similar to JSON notification. Just know there are two versions of syntax, an older and newe… Safe Navigation OperatorInstead of checking for nil or undefined values, you can use the safe navigation operator. There’s a nice article herethat goes into more depth of explanation.
HashesHasheswere one of the most confusing things to me when first starting ruby (not because they are a new concept, but because I found the syntax very hard to read). In newer versions, syntax is very similar to JSON notification. Just know there are two versions of syntax, an older and newe…
Safe Navigation OperatorInstead of checking for nil or undefined values, you can use the safe navigation operator. There’s a nice article herethat goes into more depth of explanation.
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Token-based authentication with Ruby on Rails 5 API
https://www.pluralsight.com/guides/token-based-authentication-with-ruby-on-rails-5-api
Dec 15, 2018 . 1 class AuthenticateUser 2 prepend SimpleCommand 3 4 def initialize() 5 #this is where parameters are taken when the command is called 6 end 7 8 def call 9 #this is where the result gets returned 10 end 11 12 end ruby The command takes the user's e-mail and password then returns the user, if the credentials match. Here is how this can be done:
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How to Run System Commands From Ruby - RubyGuides
https://www.rubyguides.com/2018/12/ruby-system/
Here’s how it works: fork { exec ("ls") } This will run ls on another process & display its output. Because this command is running in another process it will not block your Ruby app from running like the system method or %x. Important: If you use exec without fork you’re going to replace your current process. login
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Ruby on Rails - Scaffolding - Tutorialspoint
https://www.tutorialspoint.com/ruby-on-rails/rails-scaffolding.htm
Ruby on Rails - Scaffolding. While you're developing Rails applications, especially those which are mainly providing you with a simple interface to data in a database, it can often be useful to use the scaffold method. Scaffolding provides more than cheap demo thrills. Here are some benefits −.
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Ruby on Rails — A web-app framework that includes
https://rubyonrails.org/
Dec 15, 2021 . Ruby on Rails scales from HELLO WORLD to IPO. Rails 7.0.0 — released December 15, 2021. You’re in good company. Over the past two decades, Rails has taken countless companies to millions of users and billions in market valuations. These are just a … login
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Ruby on Rails - Database Setup - Tutorialspoint
https://www.tutorialspoint.com/ruby-on-rails/rails-database-setup.htm
Use the following command to create a user with the name rubyuser. tp> sudo -u postgres createuser rubyuser -s If you want to create a password for the new user, then use the following command. tp> sudo -u postgres psql postgres=# \password rubyuser Use the following command for creating a database library_development.
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Can you run a rails console or rake command in the elastic
https://stackoverflow.com/questions/19620897/can-you-run-a-rails-console-or-rake-command-in-the-elastic-beanstalk-environment
Oct 27, 2013 . Current Beanstalk ruby platform assumes you run rails application on user webapp, a non-login-able user, so it would be wise to run your command in this user. Share Improve this answer
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How to SSH to a server using Ruby – Part I
https://www.heatware.net/ruby-rails/how-to-ssh-to-server-ruby-part-i/
Welcome to Part I of how to SSH to a Linux, Windows, etc. server using Ruby. This post will give you a complete code example to get you up and running right away! The code below will connect to the server specific and run the ls -al command. Be sure to change the values in the example of @hostname, @username, @password, and @cmd to your own values.
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Installing and Configuring Ruby on Rails on Debian 10 – VITUX
https://vitux.com/installing-and-configuring-ruby-on-rails-on-debian-10/
After the installation is complete, run the following command to view the Rails version installed on your system. $ rails -v. The command also verifies that Ruby on Rails is indeed installed on your system. Rails Development. Ruby on Rails supports many databases such as SQLite, MySQL, and PostgreSQL.
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How to Install Ruby on Rails with PostgreSQL on Rocky
https://www.howtoforge.com/how-to-install-ruby-on-rails-with-postgresql-rocky-linux/
Jan 04, 2022 . 2. Execute the gem command below to install Ruby on Rails. gem install rails. The gem command on top will install some RubyGems packages and Node.js library for the Rails. 3. After the Rails installation completes, verify using the following command. rails --version. You will see a similar output as below.
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Dockerizing a Ruby on Rails Application - Semaphore Tutorial
https://semaphoreci.com/community/tutorials/dockerizing-a-ruby-on-rails-application
Feb 03, 2020 . We’re going to generate a new Rails project without even needing Ruby installed on our work station. We can do this by using the official Ruby Docker image. Creating a Rails Image. We’ll install Rails on a Docker container. For that, we’ll need a Dockerfile. A Dockerfile contains all the commands that you would need to install the ...
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How to install Ruby on Rails on clean-install Mac | by
https://medium.com/@dyanagi/how-to-install-ruby-on-rails-on-clean-install-mac-2a46dd1eee9
Jun 29, 2019 . As shown on your Terminal, start the service by one of the two commands. # Run this command to start PostgreSQL now and restart at login brew services start postgresql # or this command pg_ctl -D...
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