Tag: python

• March 26, 2022

  How long should it take to solve the FizzBuzz coding question?

  So, it was past midnight, and I was pretty much done for the day when one of those random thoughts ran past me like a fleeting glimpse (thanks, Roger) and I just couldn’t let go: if I were asking a candidate to solve the FizzBuzz problem, how long would be fair to expect them to […]
• February 7, 2021

  JSON Web Tokens (JWT) utilities

  A simple utility to generate and decode JSON Web Tokens (JWTs) that can be used to authenticate against web applications. The code is released under the Apache 2 Open Source License. See JWT-OPA for an example of how JWTs can be used to authenticate/authorize access to protected online resources/applications. Usage Use –help (or -h) for […]
• October 16, 2017

  File Encryption Utility now offers file sharing

  With the 0.5.0 version just released, crytto now allows file sharing (e.g., via email) by sharing public keys: encrypt_send -o /tmp/my-secret.enc \ -p /home/marco/.ssh/my-key.pub \ ./my-secret.doc This generates an encrypted file (in the location specified with the -o option) and an equally encrypted “passphrase” which can then be sent (ideally via a separate sharing mechanism; although, as […]
• August 30, 2017

  File Encryption (and Decryption) Made Easy

  A new release of the Crytto library (0.4.0) has just been published, which greatly simplifies encrypting (and decrypting) files The new release adds the decrypt script which, when combined with the existing automatic retrieval of the encryption key from the keystore, makes it a breeze to decrypt files. For example, if you had encrypted your […]
• September 19, 2016

  HOW-TO Publish a Pyton Package on PyPi

  Create a setup.py file The arguments for setup() are documented here and are non-trivial: a good example is my filecrypt‘s setup.py file. NOTE Do not confuse setuptools with distutils – this is the correct import for setup.py: from setuptools import setup The trickiest part is figuring out the packages, modules and the script files: probably […]
• September 3, 2016

  A python notebook to experiment with the Apache Mesos HTTP API – Part 3 of 3

  This is the third and final part of a three-part series: Part 1 describes the required setup and how to get Apache Mesos Master and Agent running in two Vagrant VMs; Part 2 shows how to connect to the HTTP API and accept resource offers. This series is an extended (and updated) version of the […]
• September 2, 2016

  A python notebook to experiment with the Apache Mesos HTTP API – Part 2 of 3

  This is the second part of a three-part series: Part 1 describes the required setup and how to get Apache Mesos Master and Agent running in two Vagrant VMs This series is an extended (and updated) version of the talk I gave at MesosCon Europe 2015 updated for Apache Mesos 1.0.0, which has just been […]
• July 22, 2016

  Python Magic Methods

  Make your code more pythonic by using magic methods in your classes.
• July 13, 2016

  filecrypt – OpenSSL file encryption

  overview Uses OpenSSL library to encrypt a file using a private/public key pair and a one-time secret. A full description of the process can be found here. configuration This uses a YAML file to describe the configuration; by default it assumes it is in /etc/filecrypt/conf.yml but its location can be specified using the -f flag. […]
• August 23, 2015

  Apache Mesos HTTP API – example IPython notebook

  

  The new Apache Mesos HTTP API We are currently in the process of releasing Mesos 0.24 which introduces a new HTTP API for Frameworks, which are now able to interact with the Scheduler using only JSON payloads. This simplifies the interaction between Frameworks and Mesos, while maintaining the highly scalable and reliable nature of the platform: […]