Artem 1v

@oauth = Koala::Facebook::OAuth.new(<app_id>, <app_secret>, 'https://site.com/')
code = @oauth.url_for_oauth_code(:permissions => "publish_actions,manage_pages,publish_pages")
=> "https://www.facebook.com/dialog/oauth?client_id=<app_id>&redirect_uri=https%3A%2F%2Fsite.com%2F&scope=publish_actions%2Cmanage_pages%2Cpublish_pages"

Open that url in browser and grant access to app. At the end you will be redirected to your website https://site.com/?code=<access_token>. Paste access token here:

@oauth.get_access_token_info(<access_token>)

Paste that access token here:

Install Redis:

wget http://download.redis.io/redis-stable.tar.gz
tar xvzf redis-stable.tar.gz
cd redis-stable
make
make install

Add conf file: redis.conf
Run server:

sudo su
mkdir /usr/share/adminer
cd /usr/share/adminer
wget "https://www.adminer.org/latest.php"
ln -s latest.php adminer.php
echo "Alias /random_string_here_for_ex_vsj935j43s /usr/share/adminer/adminer.php" > /etc/apache2/conf-available/adminer.conf
a2enconf adminer
service apache2 restart
exit

wget http://nmap.org/dist/nmap-6.40.tar.bz2
tar -jxvf nmap-6.40.tar.bz2
cd nmap-6.40
./configure
make "LUA_LIBS=../liblua/liblua.a -ldl -lm"
sudo checkinstall
sudo dpkg -i nmap_6.40-1_amd64.deb

ubuntuforums.org

Here’s a tip to fix it: the s3cmd upload/download speed can be tuned by modifying send_chunk/recv_chunk variables in the s3cfg configuration file (the default is 4096 – 4KB). source

How to use bash "screen"

Install:

apt-get install screen

Open first screen:

screen

Detach screen:

Options>preferences>Advanced...

Turn all these settings to false:

left_rail_offer
gui.show_plus_upsell
sponsored_torrent_offer_enabled
bt.enable_pulse
gui.show_notorrents_node
offers.content_offer_autoexec

God and Puma configuration

Add to Gemfile:

gem 'puma'
gem 'god'

Run in app folder:

bundle install

	require 'resque/tasks'
	require 'resque/scheduler/tasks'

	def get_pgid(file)
	pgid = true
	if File.file?(file)
	fpid = File.read(file).to_i
	pgid = `ps -o pgid --no-headers --pid #{fpid}`.strip!
	if pgid
	puts "Process group ID found: #{pgid}"

	cat <<EOF >> /etc/apt/sources.list
	deb http://archive.ubuntu.com/ubuntu precise main restricted universe
	deb http://archive.ubuntu.com/ubuntu precise-updates main restricted universe
	deb http://security.ubuntu.com/ubuntu precise-security main restricted universe multiverse
	EOF

	apt-get update

	apt-get remove \
	apache2 \