Maurizio De Santis mdesantis

## upgrade-postgres-9.6-to-10.md

      
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                mdesantis
                / upgrade-postgres-9.6-to-10.md
            
            
              Last active
              October 11, 2021 08:11
                — forked from delameko/upgrade-postgres-9.5-to-9.6.md
            
              
                Upgrading PostgreSQL from 9.6 to 10 on Ubuntu 16.04
              
          
    TL;DR
Install Postgres 10, and then:
sudo pg_dropcluster 10 main --stop
sudo pg_upgradecluster 9.6 main
sudo pg_dropcluster 9.6 main

  
## rails_json_session.rb
# Hack to change the Rails cookie serializer from Marshal to JSON and therefore allow the session
# to be shared between different languages but also avoid that someone knowing the
# cookie secret key could execute arbitrary code on the server by unmarshalling
# modified Ruby code added to the session/permanent cookie.
#
# Note that all users will beed to login again since both the remember me cookie and the session cookies
# won't be valid. Note also that the remember me cookie is tested multiple times per request even when it fails.
# for performance reasons you might want to delete it if these extra cycles are too costly for you.
#
# Rails 4 (not tested on Rails 3).

## rails_json_cookie_session_store.rb
# Fork of MessageVerifier from Rails 3.2.3
# https://raw.github.com/rails/rails/f3e1b21ca91afbd97f33d1e51808dd320d82b4de/activesupport/lib/active_support/message_verifier.rb
# Author: Jeff Yip (jeffyip)
# This should work with Rails 3.0 - Rails 3.2

require 'active_support/base64'
require 'active_support/deprecation'
require 'active_support/core_ext/object/blank'

module ActiveSupport

## unicorn_init_script.sh
#!/bin/sh
### BEGIN INIT INFO
# Provides: unicorn
# Required-Start:    $all
# Required-Stop:     $network $local_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: starts the unicorn instances
# Description:       starts the unicorn server instances using start-stop-daemon
#
	# Hack to change the Rails cookie serializer from Marshal to JSON and therefore allow the session
	# to be shared between different languages but also avoid that someone knowing the
	# cookie secret key could execute arbitrary code on the server by unmarshalling
	# modified Ruby code added to the session/permanent cookie.
	#
	# Note that all users will beed to login again since both the remember me cookie and the session cookies
	# won't be valid. Note also that the remember me cookie is tested multiple times per request even when it fails.
	# for performance reasons you might want to delete it if these extra cycles are too costly for you.
	#
	# Rails 4 (not tested on Rails 3).
	# Fork of MessageVerifier from Rails 3.2.3
	# https://raw.github.com/rails/rails/f3e1b21ca91afbd97f33d1e51808dd320d82b4de/activesupport/lib/active_support/message_verifier.rb
	# Author: Jeff Yip (jeffyip)
	# This should work with Rails 3.0 - Rails 3.2

	require 'active_support/base64'
	require 'active_support/deprecation'
	require 'active_support/core_ext/object/blank'

	module ActiveSupport
	#!/bin/sh
	### BEGIN INIT INFO
	# Provides: unicorn
	# Required-Start: $all
	# Required-Stop: $network $local_fs $syslog
	# Default-Start: 2 3 4 5
	# Default-Stop: 0 1 6
	# Short-Description: starts the unicorn instances
	# Description: starts the unicorn server instances using start-stop-daemon
	#