asmega

docker

Delete all containers

docker rm container $(docker ps -a -q)

Delete all images

asmega

convert input.png -resize 50% output.png

asmega

# list indexes

curl -X GET "localhost:9200/_aliases"

# remove readonly

curl -X PUT "localhost:9200/recipes/_settings" -H 'Content-Type: application/json' -d'
{
  "index": {
    "blocks.read_only": false,

asmega

defaults write com.google.Chrome SyncDisabled -bool true
defaults write com.google.Chrome RestrictSigninToPattern -string ".*@example.com"

asmega

diskutil list

# diskutil unmountDisk /dev/diskN
diskutil unmountDisk /dev/disk3

sudo dd bs=1m if=2017-06-21-raspbian-jessie.img of=/dev/rdiskN

asmega

cat nginx.access.log | cut -d ' ' -f3 | sort | uniq -c | sort -r -g | head -n10

asmega

max = 10.to_f
cols = 3
target = (max/cols).ceil

(0..max).to_a.slice_before(target: target) do |i,state|
  if i > state[:target]
    state[:target] += state[:target]
    true
  else
    false

asmega

#!/usr/bin/env ruby

require 'pty'

@script = "./rand.rb"
@interval = 5

def start
  puts 'starting'

asmega

$ brew install imagemagick
==> /usr/local/Cellar/imagemagick/6.8.6-3

$ brew install pkgconfig
==> /usr/local/Cellar/pkg-config/0.28

$ C_INCLUDE_PATH=/usr/local/Cellar/imagemagick/6.8.6-3/include/ImageMagick-6 PKG_CONFIG_PATH=/usr/local/Cellar/imagemagick/6.8.6-3/lib/pkgconfig/ gem install rmagick
Successfully installed rmagick-2.13.2

C_INCLUDE_PATH=/usr/local/Cellar/imagemagick@6/6.9.8-4/include/ImageMagick-6 PKG_CONFIG_PATH=/usr/local/Cellar/imagemagick@6/6.9.8-4/lib/pkgconfig/ gem install rmagick -v '2.16.0'

asmega

rm /usr/local/var/postgres/postmaster.pid