SEARCH KEYWORD -- CHEF-VAULT
Be careful when running knife vault command
While using Chef, one would frequently use knife commands which are used to manage resources on the Chef server. One can list all nodes, data bags, vault items and many other stuff on the Chef server. In this post, we would cover one command which may need your attention when using it -- knife vault. On Chef server, one can store data to data bags which can be accessed by registered clients. These data bags usually store the data in plain text format. In some cases, one would need to store data ...
KNIFE VAULT,KNIFE DATA BAG,CHEF-VAULT,CHEF 2017-08-19 00:26:54
How to check which Ohai plugin hangs in chef client run
Ohai plugins are very important components in chef client which aims to provide resource management automation on a server. The data discovered by Ohai plugins are describing the current state of the server and they will be used to maintain the server in a desired state. Each Ohai plugin discovers a specific pierce of information about the server such as cpu, memory, middleware etc. However, there are rare occasions(well I am a bit optimistic here) someone may find that the chef client...
HOW TO,CHEF-CLIENT,OHAI,UPTIME,HANG 2017-12-24 22:09:59
Stub Mixlib::ShellOut and shell_out in Ruby unit testing
Unit testing is part of software development to ensure the tiny component of a function can work as designed. Different frameworks and tools can be used to run unit testing for different programming languages. In Ruby, one popular unit testing framework is Rspec, or Chefspec if you are writing Chef recipes. While writing Chef recipes, some low level commands(DOS commands or shell commands) need to be executed on the managed resource to perform actions or gather information. For example, lis...
RUBY,UNIT TESTING,RSPEC,CHEFSPEC,SHELL_OUT 2016-11-11 00:14:46
Products born for Cloud
Cloud computing has become increasingly popularity among companies. It greatly saves the investment of infrastructure and training with everything is running on cloud, it also improves the accessibility and flexibility of service provided by companies. With its popularity, many products are born or becoming popular to help build and move the apps to the cloud. Some well known names of these products are Vagrant, Docker/LXC, Chef and OpenStack. These tools can help create, test and deploy applica...
Cloud,Openstack,Docker,Vargrant,LXC,Chef 2015-01-25 02:27:11
Simplify Cloud Data Security: A Deep Dive Into Protecting Sensitive Data in Java
Featuring encryption, anonymization, hashing, and access control Network security incidents occur now and then, mostly caused by data leakage. Data security has aroused widespread concern, and the community keeps working hard on approaches to simplify data security, especially in sensitive data protection. Sensitive data includes but is not limited to personally identifiable information (PII) like names, ID numbers, passport numbers, driver’s license numbers, contact information like addre...
JAVA,SECURITY,ENCRYPTION,DECRYPTION,TOKENIZATION 2023-04-28 21:22:10
We need a programming language for the rest of us
Recently I took on the enormous task of learning Objective-C from the bottom up and I was struck by something I couldn’t shake: this is too hard. An experienced developer might scoff at me for saying that, but it’s true. I’ll be honest about my education, Calculus II was the most math I ever took, I have an advanced degree from Berkeley in Journalism. I am a proficient HTML/CSS developer and can glue enough javascript together to solve almost any problem that has presen...
Code.Programming,Expectation,Easy-to-use 2011-07-22 02:20:09
Public Vs. Private Cryptocurrency Keys
Before investing in any form of cryptocurrency, you must become familiar with the terminology used in the industry. This will prevent mistakes that could jeopardize your entire investment, and no one should be investing in any type of security or asset that they don't fully understand first. Crypto Wallets Before we even delve into what public and private keys are, we first need to discuss what the keys are for. Your Bitcoin or crypto wallet is basically the account that you store your cryptocur...
SECURITY,CRYPTOCURRENCY 2022-03-06 08:17:30
How Do You Find the Best Password Managers?
Looking for a smart way to protect your range of electronic devices? Most of us access tons of websites and it could be difficult to store our passwords. It is important to not reuse store passwords that are easily identifiable. Keeping your information secure is more important than ever. Data breaches can occur anytime and sometimes takes months to discover. Sometimes, maybe, they aren’t. Target is a data breach, for instance, took months to discover. Information was leaked online from ce...
Windows 8 Possible Features: Ribbon, Metro, Apps, Cloud Integration
Microsoft may still be plugging away at selling Windows 7 to consumers and the enterprise, but rumors have already started about the next version of the popular operating system—dubbed "Windows 8" by many in the media. Rafael Rivera and Paul Thurrott, two bloggers with a track record of delving into Microsoft's proprietary code base, recently sparked a fresh round of chatter with a dissection of a supposed Windows 8 early build, adding their voices to a discussion that extends back to 201...
Windows 8,New features,Touch,Metro 2011-04-11 02:10:12
How to write your own DSL in Ruby
DSL(Domain Specific Language) is a language defined to fulfill some domain specific requirements to ease people's work. It can be used to define attributes and actions of a domain easily and cleanly. And it is often created based on some common observations or micro patterns of some domain. In Ruby world, there are quite a few places people can find DSL. For example, Ruby itself, Chef recipes. To create a class in Ruby, the traditional OOP way would look like. class User @name = nil @email =...
RECENT
- Tips for Socializing With Friends During College
- Proximity Cards Do More Than Just Open Doors
- How to choose quality painted auto parts
- Oval engagement rings from MoonOcean: Elegance of form and individual approach
- Hologres vs AWS Redshift
- GoLand connect to Hologres
- A journey to investigate a goroutine leakage case
- Understanding Slice Behavior in Go
- Breaking Barriers: How 3D Printing is Democratizing Product Development
- The Power of Efficiency: 10 Practical Energy-Saving Tips for Tech Startups
- more>>