Found 18 results

Setup 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: 13/09/2019

AWS Lambda Function to Stop and Start EC2 Instances

AWS Lambda Function to Stop and Start EC2 Instances based on Tags is our next tutorial where we will guide you, step by step, how to save money on AWS monthly bill just by using a simple AWS Lambda Function backed up by a Python script. Nowadays most of the modern companies relies on many cloud technologies from various cloud providers like AWS for pretty much any environments and tiers that we can think of like production, QA, staging, development and so on but everything comes at a price. We can reduce our monthly AWS bill and also, indirectly, becoming […]

Category: AWS | Published: 21/08/2019 | Updated: 24/09/2019

AWS S3 Read-Write IAM Policy for specific User

In this AWS S3 Read-Write IAM Policy tutorial we will talk about how to create and manage AWS IAM Policies for specific AWS S3 Buckets, policies that can be easily applied to any user or user group within IAM having Read and Write permissions only. We all know that AWS S3 is a really great storage service but used in conjunction with IAM this can become a very powerful tool giving us the freedom and the also the ability to fine tune all necessary permissions in such a way to only allow specific user or user group to only read […]

Category: AWS | Published: 09/08/2019 | Updated: 12/08/2019

AWS S3 Read-Only IAM Policy for specific User

In this short tutorial called AWS S3 Read-Only IAM Policy for specific User or User Group we will be guiding you how to create and manage AWS IAM Policies for specific AWS S3 Buckets, these policies can be later applied to any IAM Users or IAM User Groups having just Read-Only permissions. AWS S3 is a great storage service but managed in conjunction with AWS IAM can become a very powerful tool giving us the freedom and the amazing ability to tweak all needed permissions in such a way to only allow specific users or user groups to only read […]

Category: AWS | Published: 23/07/2019 | Updated: 10/08/2019

Setup AWS CLI on CentOS 7

Setting up AWS CLI on CentOS 7 is quite straight forward, no need for advanced knowledge or a huge amount of time in order to install this. AWS CLI is a very powerful toolset that helps you to manage all your AWS resources by using the Command Line Interface API calls instead of the well known classic Web Console. AWS CLI can be used and implemented in various projects like Automation, Cost Control, Security Audit etc. giving you the power to manipulate and query all AWS resources in a more granular manner. In this very short tutorial we will guide […]

Category: General | Published: 09/04/2019 | Updated: 26/08/2019

Yum fix duplicate error

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: 14/11/2018