hungpk

module RailsAdmin
  module Config
    module Fields
      module Types
        class Datetime
          def value
            bindings[:object].send(name)
          end
        end
      end

hungpk

build_package_patched() {
  # These three patches are included when RVM builds REE
  cd source
  wget 'https://github.com/wayneeseguin/rvm/raw/master/patches/ree/1.8.7/tcmalloc.patch'
  wget 'https://github.com/wayneeseguin/rvm/raw/master/patches/ree/1.8.7/stdout-rouge-fix.patch'
  wget 'https://github.com/wayneeseguin/rvm/raw/master/patches/ree/1.8.7/no_sslv2.diff'
  patch -p1 < tcmalloc.patch
  patch -p1 < stdout-rouge-fix.patch
  patch -p1 < no_sslv2.diff
  cd ..

hungpk

load 'deploy/assets'

namespace :deploy do
  namespace :assets do
    desc 'Run the precompile task locally and rsync with shared'
    task :precompile, :roles => :web, :except => { :no_release => true } do
      %x{bundle exec rake assets:precompile}
      %x{rsync --recursive --times --rsh=ssh --compress --human-readable --progress public/assets #{user}@#{host}:#{shared_path}}
      %x{bundle exec rake assets:clean}
    end

hungpk

curl https://raw.github.com/git/git/master/contrib/completion/git-completion.bash -o ~/.git-completion.bash
echo "source ~/.git-completion.bash" >> ~/.bash_profile

hungpk

# run with: god -c /path/to/config.god [add -D if you want to not-deamonize god] 
# This is the actual config file used to keep the delayed_job running 

APPLICATION_ROOT = "/var/www/application"
RAILS_ENV = "production"

God.watch do |w| 
  w.name = "delayed_job_production"
  w.interval = 15.seconds 
  w.start = "/bin/bash -c 'cd #{APPLICATION_ROOT}/current; /usr/bin/env RAILS_ENV=#{RAILS_ENV} #{APPLICATION_ROOT}/current/script/delayed_job start > /tmp/delay_job.out'"

hungpk

#!/bin/bash
 
#Force file syncronization and lock writes
mongo admin --eval "printjson(db.fsyncLock())"
 
MONGODUMP_PATH="/usr/bin/mongodump"
MONGO_HOST="prod.example.com"
MONGO_PORT="27017"
MONGO_DATABASE="dbname"
 

hungpk

Types of index scans

Indexes

Sequential Scan:

• Read every row in the table
• No reading of index. Reading from indexes is also expensive.

hungpk

WAL-E needs to be installed on all machines, masters and slaves.

How to install WAL-E

Only one machine, the master, writes WAL segments via continuous archiving. The configuration for the master postgresql.conf is:

archive_mode = on
archive_command = 'envdir /etc/wal-e.d/env wal-e wal-push %p'
archive_timeout = 60

hungpk

hostssl replication     replicator      5.6.7.8            md5

hungpk

Install ImageMagick for image conversion:

brew install imagemagick

Install tesseract for OCR:

brew install tesseract --all-languages

Or install without --all-languages and install them manually as needed.