fahadgudu

EC2 installation for rails project

sudo apt-get update
sudo apt-get install build-essential libxml2 libxml2-dev libsqlite3-dev locate libssl-dev openssl autoconf
sudo apt-get install curl
\curl -L https://get.rvm.io | bash -s stable
source ~/.rvm/scripts/rvm
source ~/.profile
rvm requirements
sudo apt-get --no-install-recommends install build-essential openssl libreadline6 libreadline6-dev curl git-core zlib1g zlib1g-dev libssl-dev libyaml-dev libsqlite3-dev sqlite3 libxml2-dev libxslt-dev autoconf libc6-dev libgdbm-dev ncurses-dev automake libtool bison subversion pkg-config libffi-dev

fahadgudu

  controller do
    ..
    def import
      @product = Product.find(params[:id])

      # access uploaded file - params[:file]

      # do the job

fahadgudu

Postgresql: password authentication failed for user “postgres”

  $ sudo -u postgres psql -c "ALTER USER postgres PASSWORD 'postgres';"
  
  Done! You saved User = postgres and password = postgres.
  If you do not have a password for the User postgres ubuntu do:
  $ sudo passwd postgres

Memory issues ans swap areas

fahadgudu

1- ssh -i ~/Desktop/eventappkey.pem ubuntu@107.22.254.2
2- backup: # mysqldump -u root  propelius_production > dumpfilename.sql -p

3- scp -i ~/Desktop/eventappkey.pem ubuntu@107.22.254.2:/home/ubuntu/dumpfilename.sql /home/bilal/Desktop/


4- chmod 600 ~/Desktop/eventapp-test.pem

5- scp -i ~/Desktop/eventapp-test.pem /home/bilal/Desktop/dumpfilename.sql ubuntu@ec2-54-226-196-5.compute-1.amazonaws.com:/home/ubuntu/

fahadgudu

# Login as root
ssh root@domain

# Create deploy user
adduser <username> #Adds User with username given. Enter Password when Prompted. Other Details are Optional
# Add user to sudo group
usermod -g <groupname> <username>

# Add .ssh/authorized_keys for deploy user

fahadgudu

Originally published in June 2008

When hiring Ruby on Rails programmers, knowing the right questions to ask during an interview was a real challenge for me at first. In 30 minutes or less, it's difficult to get a solid read on a candidate's skill set without looking at code they've previously written. And in the corporate/enterprise world, I often don't have access to their previous work.

To ensure we hired competent ruby developers at my last job, I created a list of 15 ruby questions -- a ruby measuring stick if you will -- to select the cream of the crop that walked through our doors.

What to expect

Candidates will typically give you a range of responses based on their experience and personality. So it's up to you to decide the correctness of their answer.

fahadgudu

 
=============================
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fahadgudu

# It extends activeadmin to show pretty boolean values
# 
# config/initializers/active_admin.rb

module ActiveAdmin
  module Views
    class TableFor
      def bool_column(attribute)
        column(attribute){ |model| model[attribute] ? '✔'.html_safe : '✗'.html_safe }
      end

fahadgudu

# this stuff goes in config/initializers/active_admin.rb

ActiveAdmin.setup do |config|
  
  # ...
  
  # put these lines in the "Controller Filters" section of the ActiveAdmin.setup block

  # These two are defined in ActiveAdmin::FilterSaver::Controller, which is loaded below.
  config.before_filter :restore_search_filters

fahadgudu

export PS1="\[\033[36m\]\u\[\033[m\]@\[\033[32m\]\h:\[\033[33;1m\]\w\[\033[m\]\$ "
export CLICOLOR=1
export LSCOLORS=ExFxBxDxCxegedabagacad
alias ls='ls -GFh'


[[ -s "$HOME/.rvm/scripts/rvm" ]] && source "$HOME/.rvm/scripts/rvm" # Load RVM into a shell session *as a function*


alias ..="cd .."