telekosmos

#!/usr/bin/python

from azure.storage import BlobService
import argparse

parser = argparse.ArgumentParser()
parser.add_argument("container", help="the blob container")
parser.add_argument("blob", help="the blob name")
parser.add_argument("-s", "--snapshot", help="take a new snapshot", action="store_true")
parser.add_argument("-d", "--delete", help="delete a snapshot")

telekosmos

Unix shell command output redirects

• > file redirects stdout to file
• 1> file redirects stdout to file
• 2> file redirects stderr to file
• &> file redirects stdout and stderr to file

telekosmos

Kafka Broker creation with Docker Compose

Using from https://github.com/wurstmeister/kafka-docker.git and docker-compose.yml is:

version: '2'
services:
  zookeeper:
    image: wurstmeister/zookeeper
    ports:
      - "2181:2181"
    volumes:

telekosmos

Common Options

-#, --progress-bar Make curl display a simple progress bar instead of the more informational standard meter.

-b, --cookie <name=data> Supply cookie with request. If no =, then specifies the cookie file to use (see -c).

-c, --cookie-jar <file name> File to save response cookies to.

telekosmos

You'll get the same exception if the index was created defining a PRIMARY KEY or UNIQUE constraint (ref).

In that case the simple solution is to use the ALTER-TABLE-command instead:

ALTER TABLE tbl1 DROP CONSTRAINT ix_cox

telekosmos

find . -name "node_modules" -type d -prune -exec rm -rf '{}' +

telekosmos

/*
 * AWS Sdk KMS spike: (assuming node v6.6+)
 * 1 - Create master key at KMS
 * 2 - Copy alias or ARN
 * 3 - run this i.e.
 * $ node spike.js KEY_ALIAS YOUR_PLAINTEXT_TO_ENCRYPT
 * 
 * Taken from https://gist.github.com/raytung/f7dc78bb4310d02217111246da8cfdb3
 */
const AWS = require('aws-sdk');

telekosmos

docker run -i -t <image> [<command>] # startup the container and run the <command> == /bin/bash inside
docker start -i -a <container> [<container>] # start some previously stopped containers
docker exec -i -t <container> <command> # run a command in a running container, <command> == /bin/bash

telekosmos

-- username and permissions for a particular schema
select u.usename, 
  has_schema_privilege(u.usename,s.schemaname,'create') AS user_has_select_permission, 
  has_schema_privilege(u.usename,s.schemaname,'usage') AS user_has_usage_permission
FROM pg_user u
 cross join (select distinct schemaname from pg_tables) s
where u.usename = '<the_username>'
  and s.schemaname = '<the_schemaname>';

telekosmos

LAST_EPOCH=17654