ten0s

cd ~/tmp
curl -O http://tsung.erlang-projects.org/dist/tsung-1.5.1.tar.gz
tar xfz tsung-1.5.1.tar.gz
cd tsung-1.5.1
./configure --prefix=/opt/tsung-1.5.1
make
sudo make install
for f in `ls /opt/tsung-1.5.1/bin`; do sudo ln -s /opt/tsung-1.5.1/bin/$f /usr/local/bin/$f; done
for f in `ls /opt/tsung-1.5.1/lib/tsung/bin`; do sudo ln -s /opt/tsung-1.5.1/lib/tsung/bin/$f /usr/local/bin/$f; done
cd ..

ten0s

# from https://github.com/akishin/ansible-playbooks/blob/master/snippets/add_third_party_repositories_for_yum.yml
---
- hosts: all
user: root
vars:
gpg_keys:
- http://apt.sw.be/RPM-GPG-KEY.dag.txt
- http://dl.fedoraproject.org/pub/epel/RPM-GPG-KEY-EPEL-6
- http://rpms.famillecollet.com/RPM-GPG-KEY-remi
repo_rpms:

ten0s

git tag | grep -E '^[0-9]{1,}\.[0-9]{1,}\.[0-9]{1,}' | awk -F. 'END { printf("%d.%d.%d", $1, $2, $3+1); }'

ten0s

==> default: Waiting for machine to boot. This may take a few minutes...
    default: SSH address: 127.0.0.1:2202
    default: SSH username: vagrant
    default: SSH auth method: private key
    default: Warning: Connection timeout. Retrying...
    default: Warning: Remote connection disconnect. Retrying...
    default: Warning: Authentication failure. Retrying...
    default: Warning: Authentication failure. Retrying...
    default: Warning: Authentication failure. Retrying...

ten0s

- name: Import RabbitMQ GPG key
  rpm_key: key=http://www.rabbitmq.com/rabbitmq-signing-key-public.asc
           state=present

- name: Register RabbitMQ version
  command: rpm -q rabbitmq-server
  register: rmq
  changed_when: false
  failed_when: false

ten0s

In [1]: from jinja2 import Template
In [2]: Template("{{s.split('-')}}").render(s='a-bad-string')
Out[2]: u"['a', 'bad', 'string']"

ten0s

lists:foldr(fun(B, {I, Acc}) -> {I+1, B*trunc(math:pow(2, I))+Acc} end, {0,0}, [I || <<I:1>> <= <<$h>>]).

ten0s

vagrant init ubuntu/precise32
vagrant up
vagrant ssh

Deps
----
sudo apt-get update
sudo apt-get install build-essential curl dos2unix gdb emacs git htop mc wget libwxgtk2.8-dev libglu-dev xsltproc libssl-dev libncurses5-dev fop unixodbc-dev default-jdk libtk-img-dev

cd

ten0s

Ansible template

  template: src={{item}}.j2 dest=/etc/nginx/conf.d/{{item}}
  with_items:
  - server.conf
  notify: Restart Nginx

fails with:
fatal: [test] => {'msg': "TypeError: argument of type 'StrictUndefined' is not iterable", 'failed': True}

ten0s

% -*- coding: utf8 -*-
% Example of Nif testing.
% This one only works with erlang 17.4 and 17.3
%
% $ cat hello.c 
% #include "erl_nif.h"
%
% static ERL_NIF_TERM say(ErlNifEnv* env, int argc, const ERL_NIF_TERM argv[])
% {
%    return enif_make_string(env, "Hello world!", ERL_NIF_LATIN1);