Author: Thomas Janson

Thomas Janson joined Liquid Web's Operations team in 2019. When he is not behind the keyboard, he enjoys reading books, financial statements, playing tennis, and spending time outdoors.

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Zero Day Vulnerabilities

The zero day vulnerability is a type of hardware or software flaw for which no patch or mitigation is available. The original creators of the product are unaware of a vulnerability, so they will have known about the issue for zero days when one such vulnerability is exploited and brought to their attention.

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Introduction

In 2006, several Google engineers started to work on a Linux kernel feature called Cgroups (Control Groups) to limit and isolate hardware resource usage (e.g., RAM, CPU, disk I/O, network, etc.). Eventually, this functionality was merged with the Linux Mainline Kernel in 2008, and that paved the way for all containerization technologies that we use today, like Docker, Cloudfoundry, LXC, etc. 

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What is Chef?

Chef.logo

Chef is an open-source configuration management DevOps tool used for configuration and management of multiple systems in infrastructure. Using Chef, we can use so-called recipes and cookbooks to automate and speed up managing multiple systems in our environment. By using Chef, we can adjust every system in our environment to our desired state, which we defined using the code in recipes. In the process, code is continuously tested and deployed using Chef.

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Ansible_logo

Ansible is an open-source tool that uses playbooks to enable configuration management, software provisioning, and application deployment. It is primarily written in Python and was released in 2012. Ever since then, it has saved countless hours of often menial work of deploying and maintaining IT infrastructure. Overall, Ansible is very consistent, secure, reliable, and it requires a minimal learning curve. Simply put, Ansible is a powerful tool for automating apps and infrastructure. You can read more about general Ansible information in our recently published article.

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What is DevOps?

DevOps is a set of various tools, practices, and ideals that combine software development (Dev) and IT Operations (Ops) into a single unifying force. It allows for better collaboration between developers, operations teams, system administrators, and system engineers. Their streamlined goal is to continually provide a high-value software product to the customer at high speed while monitoring and improving the overall process than using traditional software and infrastructure management. 

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