charly-vega

if [ -z "`ps -e | grep ssh-agent`" ] ; then
  ssh-agent /bin/bash
  ssh-add ~/.ssh/id_rsa
fi

ps -e | grep ssh-agent
if [ -z "`ps -e | grep ssh-agent`" ] ; then ssh-agent /bin/bash ; ssh-add ~/.ssh/id_rsa ; fi

charly-vega

cd
./certbot-auto certonly -n --standalone \
  -d www.example1.com \
  -d www.example2.com \
  --expand \
  --pre-hook "service nginx stop" \
  --post-hook "service nginx start"

charly-vega

# root

sudo apt-get update
sudo apt-get install postgresql postgresql-contrib
sudo -i -u postgres

# postgres

createuser # TODO superuser, with password
echo "host    all    $USERNAME    0.0.0.0/0    md5" >> /etc/postgresql/9.3/main/pg_hba.conf

charly-vega

# root

adduser deploy-user
# ...
visudo
# ...

# deploy-user

sudo apt-get update

charly-vega

wget https://dl.eff.org/certbot-auto
chmod a+x certbot-auto

sudo mkdir -p /var/www/pokemon-go-chat-production.beta.uy
sudo vim /etc/nginx/sites-available/pgc_api_production.conf
# server {
#   ...
#    location /.well-known/acme-challenge {
#      root /var/www/pokemon-go-chat-production.beta.uy;
#    }

charly-vega

# Create your superuser
$ mongo
> use admin
> db.createUser({user:"someadmin",pwd:"secret", roles:[{role:"root",db:"admin"}]})
> exit

# Alias for convenience (optional and at your own risk)
$ echo 'alias mongo="mongo --port 27017 -u someadmin -p secret --authenticationDatabase admin"' >> ~/.bash_profile
$ source ~/.bash_profile

charly-vega

function login_vs () {
  local vs_details=`slcli vs list | grep $1`
  vs_details=($vs_details)
  vs_id=${vs_details[0]}
  local vs_credentials=`slcli vs credentials $vs_id | grep $2`
  vs_credentials=($vs_credentials)
  echo ${vs_credentials[1]}
}

charly-vega

# via https://docs.docker.com/engine/installation/binaries/#/get-the-linux-binaries

# check docker binaries location first
which docker

wget https://test.docker.com/builds/Linux/x86_64/docker-1.12.2-rc1.tgz
tar -xvzf docker-1.12.2-rc1.tgz

service docker stop
killall docker

charly-vega

Function Composition in Ruby

I'm sure several dozen other people have done this already, but I found it nifty. Often when I'm using the Rails console I do things like this:

Model.find(:all).map(&:something).map(&:others).map(&:size)

Not bad all in all. But, like most good things, it spoils you eventually. Now I want it

charly-vega

-- via https://wiki.postgresql.org/wiki/Shared_Database_Hosting


-- prep template1

-- \c template1 <ROOTUSER>
REVOKE ALL ON DATABASE template1 FROM public;
GRANT ALL ON DATABASE template1 TO rds_superuser WITH GRANT OPTION;
REVOKE ALL ON SCHEMA public FROM public;
GRANT ALL ON SCHEMA public TO rds_superuser WITH GRANT OPTION;