Changed pagnition settings

app/controllers/jobs_controller.rb

 class JobsController < ApplicationController
   def index
-    @all_jobs = Job.all.page(params[:page]).per(20)
+    @jobs = Job.all.page(params[:page]).per(Settings.all.job.limit)
   end
 end

config/routes.rb

@@ -4,7 +4,6 @@ Rails.application.routes.draw do
   resources :industries, only: :index
   resources :top, only: :index
   resources :users, only: :show
-  # resources :jobs, only: :index
   devise_for :users
   as :user do
     get "login" , to: "devise/sessions#new"

config/settings.yml

@@ -8,3 +8,6 @@ top:
     limit: 9
   industry:
     limit: 9
+all:
+  job:
+    limit: 20