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Yum duplicate package error can occur anytime and most of the times when servers are under provisioned in terms of hardware capacity like RAM memory or even CPU. This can happen when a small server needs to perform multiple updates that requires more resources than usual making the update process almost impossible. Of course, failure is not an option and we will do our best to explain in this short tutorial how to fix yum duplicate errors by using yum-utils utility. So before we start our little journey fixing those yum errors we must say that this solution has been […]
Category: General | Published: 14/11/2018 | Updated: 14/11/2018Setup a Private Docker Registry
Setting up a private Docker registry locally for our organisation or maybe for personal use can be seen as a must if we don’t want to expose publicly our custom Docker images. It is true that we can easily get a private repository if we would go for a paid subscription to one of the providers available out there on the market that are offering such services, but why doing so when we can simply do it by ourselves, internally, completely isolated and being under our control. Having a private Docker repository / registry will give us the ability to […]
Category: Docker | Published: 20/12/2019 | Updated: 31/12/2019Setup Squid proxy with caching on CentOS
Squid Proxy setup with caching on CentOS is our next short tutorial where we will learn how to install Squid in just a few easy steps, with caching enabled on a CentOS VM. Squid is still one of the best software for setting up a proxy that comes packed with many great features like caching, authentication and many others despite the fact that it has a very small footprint in terms of resources compared to many other solutions available on the market. By using Squid’s caching feature we can save a lot of bandwidth and we can even reduce the […]
Category: General | Published: 26/08/2019 | Updated: 13/09/2019Secure NGiNX with Let’s Encrypt SSL on CentOS 7
Just another tutorial from Tufora where we will be showing you how to secure NGiNX with Let’s Encrypt SSL on CentOS 7. As you are well aware NGiNX is a very powerful software that can be used for various applications and workloads being as HTTP server, reverse proxy, load balancer and nowadays even as router for containers, pretty good portfolio we would say. On this tutorial we will be focusing on securing a NGiNX deployment with a SSL certificate issued by Let’s Encrypt (letsencrypt) using certbot utility on a CentOS 7 server. Table of contents Package instalation Generate Diffie–Hellman Exchange […]
Category: Security | Published: 31/05/2019 | Updated: 19/07/2019Install PHP 7 on CentOS 7 using REMI repo
Install PHP 7 on CentOS 7 using REMI repository is our next short tutorial where we will show you briefly how to install PHP 7 (php-fpm) on CentOS 7. It is true that by using container technologies like Docker for this particular task would be indeed more easy and handy for most of us but maybe from time to time we have to install PHP manually, maybe for a specific project on one of our servers or maybe just for fun. No worries we will be covering PHP 7 (php-fpm) setup on Docker in another tutorial shortly but for now […]
Category: General | Published: 14/05/2019 | Updated: 07/08/2019How to install MySQL 8 on CentOS 7 is our next quick tutorial where we will learn in just a few easy steps how to install and test latest MySQL 8 available – as of today – from Oracle on a CentOS 7 server by using only our terminal window. These days most of modern companies are using Cloud managed services for their databases, some of these with fancy names, different functions, speeds and sizes but sometimes we may have no other choice than to use the classic MySQL. Depending on the project requirements we may have to perform these […]
Category: General | Published: | Updated: 19/07/2019