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Christian Pfarher cpfarher

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cpfarher / Create_a_hotspot.md
Created September 14, 2017 20:28 — forked from vfdev-5/Create_a_hotspot.md
Raspberry Pi - Ubuntu 16.04 Mate - Wifi automatic connection and static IP in terminal 
sudo nmcli dev wifi hotspot ifname wlan0 con-name "my-hotspot" ssid "my-hotspot" password "My HotsPoT Strong Password"

More info here

@cpfarher
cpfarher / gist:cf8e84a447960ee346a3d6351c0225fa
Created December 13, 2017 18:33
Conexión a puerto serial con ruby serialport gem y simulación de puerto en linux
===================== Documentación ================================
Gema serialport: http://www.rubydoc.info/gems/serialport/SerialPort
IO: http://www.rubydoc.info/stdlib/core/IO
===================== Documentación ================================
1- Simulación puerto serial en linux:
sudo apt-get install socat
#en una consola:
socat -d -d pty,raw,mode=777 pty,raw,mode=777
2017/12/13 14:19:54 socat[3641] N PTY is /dev/pts/**21**
2017/12/13 14:19:54 socat[3641] N PTY is /dev/pts/**22**
@cpfarher
cpfarher / gist:7ae11aa875850b3c27e179f908931bd5
Created December 15, 2017 14:51
export db postgresql
pg_dump --host localhost --username "postgres" --format custom --no-privileges --file "/tmp/scada_bys_o239_14_11_2017.backup" "scada_bys" -W
@cpfarher
cpfarher / gist:634f5f9420e6c2c81f573734a8187b65
Created December 15, 2017 14:51
export db postgresql
pg_dump --host localhost --username "postgres" --format custom --no-privileges --file "/tmp/scada_bys_o239_14_11_2017.backup" "scada_bys" -W
@cpfarher
cpfarher / timers_rmodbus.rb
Created December 22, 2017 19:14
require 'colorize'
require 'rmodbus'
require 'timers'
ip="10.0.0.2"
sl1 = ModBus::TCPClient.new(ip).with_slave(1)
timers = Timers::Group.new
now_and_every_five_seconds = timers.now_and_every(0.001) {
begin
sl1.holding_registers[0..1000]; puts "read #{Time.now.to_i}".green
rescue Exception =>e
@cpfarher
cpfarher / two threads connection rmodbus.rb
Created December 22, 2017 19:15
#require "plc_engine/daemons/plc_reading_engine"
#require "plc_engine/daemons/plc_writing_engine"
require 'colorize'
require 'rmodbus'
ip="10.0.0.2"
sl1 = ModBus::TCPClient.new(ip).with_slave(1)
sl2 = ModBus::TCPClient.new(ip).with_slave(1)
Thread.new do
@cpfarher
cpfarher / singleton_class.rb
Created December 22, 2017 19:16
require 'singleton'
class Connection
include Singleton
attr_accessor :data
def initialize
@data = {}
end
@cpfarher
cpfarher / docker-compose.yml
Created January 5, 2018 13:46
portainer:
restart: unless-stopped
image: portainer/portainer
ports:
- "9000:9000"
volumes:
- /var/run/docker.sock:/var/run/docker.sock
@cpfarher
cpfarher / memoria lenovo g580
Created January 22, 2018 17:41
Getting SMBIOS data from sysfs.
SMBIOS 2.7 present.
Handle 0x0005, DMI type 5, 20 bytes
Memory Controller Information
Error Detecting Method: None
Error Correcting Capabilities:
None
Supported Interleave: One-way Interleave
Current Interleave: One-way Interleave
@cpfarher
cpfarher / admin_recipe.rb
Created February 21, 2018 11:01
# app/admin/recipe.rb
index do
#...
column "Peso1/Peso2" do |f|
div status_tag "#{f.peso} kg." if f.peso
setpoint_lines=[f.sum_setpoints]
setpoint_lines<< ((setpoint_lines[0]!=f.peso_batch)? "error" : "ok")
title_error="Error" if setpoint_lines[1]=="error"
div status_tag "#{setpoint_lines[0]} kg.", setpoint_lines[1], title: title_error || "" unless setpoint_lines[0].blank?
end