Linux

How To Expire Keys in Redis — step-by-step Linux tutorial on Progressive Robot

How To Expire Keys in Redis

Redis is an open-source, in-memory key-value data store. Depending on the needs of your application, there may be cases where you’ve set a key but you know you will want to delete it later on after a certain amount of time has passed. This tutorial explains how to set keys to expire, check how long a key has until it will expire, and cancel a key’s expiration setting.

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How To Host a Website Using Cloudflare and Nginx on Ubuntu 16.04 — step-by-step Linux tutorial on Progressive Robot

How To Host a Website Using Cloudflare and Nginx on Ubuntu 16.04

In this tutorial you will secure your website served by Nginx with an Origin CA certificate from Cloudflare and configure Nginx to use authenticated pull requests. The advantages of using this setup are that you benefit from Cloudflare’s CDN and fast DNS resolution while ensuring that all connections pass through Cloudflare. This prevents any malicious requests from reaching your server.

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How To Implement Continuous Testing of Ansible Roles Using Molecule and Travis CI on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Implement Continuous Testing of Ansible Roles Using Molecule and Travis CI on Ubuntu 18.04

Molecule is a tool for performing automated testing of Ansible roles. Travis CI is a continuous integration tool that allows for tests to run continuously to ensure contributions to your code do not introduce breaking changes. In this tutorial, you will configure a pre-made base role, initialize a Molecule scenario to test your role, and set up Travis CI to continuously run your tests against changes to your role.

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