jamesmoriarty

set height 0

catch syscall close
catch syscall read
catch syscall lseek
disable 1 2

commands 2
 disable 1 2
 continue

jamesmoriarty

 command:
    - /bin/sh
    - -c
    - |
      cat << EOF > blackbox.yml && /bin/blackbox_exporter --config.file=blackbox.yml
        modules:
          http_2xx:
            prober: http
            http:
              tls_config:

jamesmoriarty

#!/bin/sh

# cat /etc/os-release 
# NAME="Amazon Linux"
# ...

sudo yum -y install git docker htop tree golang ruby

sudo systemctl enable docker

jamesmoriarty

#!/bin/sh

# cat /etc/os-release 
# NAME="Amazon Linux"
# ...

sudo yum -y install git docker htop tree golang ruby

sudo systemctl enable docker

jamesmoriarty

#!/bin/sh

for arg in "job1" "job2"; do 
  (
    echo $arg
  ) & pids+=($!)
done

wait "${pids[@]}"

jamesmoriarty

/**
* const typeDefs: ITypeDefinitions = `
*    scalar StringOrInt
*    ...
*    height: StringOrInt
* `
*/

const resolvers: IResolvers = {
    StringOrInt: {

jamesmoriarty

// graph hosts by source over time.

_sourceCategory=<source> 
| timeslice 1m
| count_distinct(_sourceHost) group by _timeslice, _sourceCategory
| transpose row _timeslice column _sourceCategory

// nginx requests per second.

_sourceCategory=<source>

jamesmoriarty

ffmpeg -r 60 -pattern_type glob -i '*.JPG' -s hd720 -vcodec libx264 -crf 18 -preset slow timelapse.mp4

# Filters
#
# https://ffmpeg.org/ffmpeg-filters.html#eq
#
# ffplay -vf eq=contrast=1.3:saturation=0.25 timelapse.mp4

jamesmoriarty

const crypto = require('crypto');

const sha256 = s => crypto.createHash('sha256').update(s, 'utf8').digest('hex');

// sha256("test") => '9f86d081884c7d659a2feaa0c55ad015a3bf4f1b2b0b822cd15d6c15b0f00a08'
// sha256("abc") => 'ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad'

jamesmoriarty

namespace :deploy do
  namespace :sidekiq do
    desc 'Replace upstart config for sidekiq-workers'
    task :upstart_config do
      data = %Q{
        start on runlevel [2345]
        stop on runlevel [!2345]
        respawn

        exec su - #{user} -c 'cd #{release_path}; export RAILS_ENV=#{stage};  bundle exec sidekiq -q default,1 -c 4 -pid #{release_path}/tmp/pids/sidekiq.pid >> #{release_path}/log/sidekiq.log 2>&1'