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How to install Packetfence on CentOS 7

Jack Wallen walks you through the process of installing the Packetfence Network Access Control system on CentOS 7.<p>Eleven years ago, I managed to get …

Linux

Amazon EC2 Tuning Apache Memory

An Apache web server running on an Amazon EC2 Linux instance intermittently becomes unresponsive. Messages appear in the system log for the instance …

Linux

Docker for Beginners Part 2: Docker Installation on Mac and Ubuntu

This is the <b>Part 2</b> from the Docker series, Docker for Beginners in 8 Parts. In this post we're going to see the an overview about the <b>Docker</b> …

Introduction

<i>Part 1:</i> Running a scalable & reliable GraphQL endpoint with Serverless <i><br>Part 2:</i> AppSync Backend: AWS Managed GraphQL Service <i><br>Part 3:</i> AppSync Frontend: …

Amazon EFS File Sync

Amazon EFS File Sync copies files from an existing on-premises or cloud file system into an Amazon EFS file system. EFS File Sync securely and …

Cloud Computing

How to Enhance the Security of Sensitive Customer Data by Using Amazon CloudFront Field-Level Encryption | Amazon Web Services

Amazon CloudFront is a web service that speeds up distribution of your static and dynamic web content to end users through a worldwide network of …

Cloud Computing

Configure AMIs for Use With Spot Instances that Preserve EBS Volumes

When EC2 Spot instances are terminated, all EBS volumes are deleted by default. To change the default settings, follow these instructions:<p>From the …

Cloud Computing

Using sudo to delegate permissions in Linux

I recently wrote a short Bash program to copy MP3 files from a USB thumb drive on one network host to another network host. The files are copied to a …

Linux

How to use the Linux iostat command to check on your storage subsystem

To help troubleshoot your Linux datacenter servers, you need the right tools. Jack Wallen introduces you to one such tool, iostat.<p>If you employ Linux …

Installing OpenVPN on AWS

OpenVPN is open source software that implements VPN and is used for creating peer-to-peer connections. OpenVPN is more than 16 years old — the first …

Use Tags to Divide Your Bill by Cost Center or Project

Tags are key-value pairs that allow you to organize your AWS resources into groups.<p>When tags are applied to your resources, you can use them to do …

Amazon Web Services

How to Deploy Local Administrator Password Solution with AWS Microsoft AD | Amazon Web Services

Local Administrator Password Solution (LAPS) from Microsoft simplifies password management by allowing organizations to use Active Directory (AD) to …

Cloud Computing

Useful ‘host’ Command Examples for Querying DNS Lookups

Host command is a minimal and easy-to-use CLI utility for performing DNS lookups which translate domain names to IP addresses and vice versa. It can …

Information Security

With Its Recent Outage, Amazon Web Services Is Helping To Sell Hybrid IT

Amazon Web Services (AWS) is the undisputed leader in the public cloud space–it is growing quickly every quarter and delivering strong earnings back to its parent, Amazon.com. Microsoft ‘s Azure is narrowing the gap and IBM, Google and Rackspace offer significant enterprise public cloud services, …

Amazon Web Services

Amazon Web Services: the secret to the online retailer's future success

Amazon is big. In its last financial quarter, it sold $32bn (£25.6bn) worth of stuff worldwide, including $6bn of media, $10bn of sales outside North America, and $23bn of electronics “and other general merchandise”. That “other” category encompasses everything from crucifixes to sex toys, board …

Cloud Computing

How cloud services change your disaster recovery plan

Getting data offsite is easier today, but what happens when the Internet isn’t there?<p>Jessica works at a nursing home in rural Nevada. Most of the …

New Jersey

THE CLOUD COMPUTING REPORT: An introduction to cloud solutions and their use cases

Cloud computing — on-demand, internet-based computing services — has been successfully applied to many computing functions in recent years.<p>From consumer-facing, web-based productivity apps like Google Docs to enterprise database management suites, the tools businesses rely on are increasingly …

IaaS

How to run a Docker Container on the vCenter Server Appliance (VCSA) 6.5?

One of the most notable changes in the vCenter Server Appliance (VCSA) in vSphere 6.5 is a switch of the underlying OS from SLES to VMware's very own …

Vmware

Complete Guide: Installation & Configuration of KVM Server

Overview<p>This tutorial providing you <b>KVM</b> introduction, Installation and Configuration steps and how to run a <b>virtual machine</b> on KVM. Everyone knows …

Linux

What’s New in vSphere 6.5: vSphere Integrated Containers

Last year we introduced Project Bonneville. The idea behind it, at the high level, is that there is a strong parallel between the constructs Docker …

Virtualization

8 Resources to Master Docker

There are number of different system platforms and operating systems that operate under different brands and use different software or language, …

VMware VCSA 6.5 Active-Passive Setup With Simple Configuration – [LAB]

Today we’ll be testing the new VCSA 6.5 feature allowing to setup active-passive architecture where the active node is your usual VCSA 6.5 which …

Vmware

Getting Started with Datacenter CLI

Datacenter Command-Line Interface (DCLI) is one of vSphere’s newest CLIs. DCLI works exclusively with the vSphere Automation API (REST API for …

Python Programming

Using Docker and Docker Compose for Local Development and Small Deployments

Intro<p>Have you heard a lot about Docker recently and been wondering what all the hubbub has been about? In this tutorial, I’ll introduce Docker, what …

DevOps

New vCenter Server Appliance File-Based Backup / Restore Walkthroughs

The vCenter Server Appliance (VCSA) 6.5 is full of new and exclusive features. One of which is the native file-based backup and restore. I’m happy to …

Virtualization

3 Ways to Permanently and Securely Delete ‘Files and Directories’ in Linux

In most cases the means we use to delete a file from our computers such as using Delete key, Trash files or rm command, which do not permanently and …

Linux

Powering Amazon Redshift Analytics with Apache Spark and Amazon Machine Learning | Amazon Web Services

Air travel can be stressful due to the many factors that are simply out of airline passengers’ control. As passengers, we want to minimize this …

Cloud Computing

A Trick to Reduce Processing Time on AWS Lambda from 5 Minutes to 300 Milliseconds

Jean Lescure, Data Mining Expert.<p>At the beginning of 2016, Jean Lescure, Senior Software Engineer and Architect at Gorilla Logic, watched a 3GB file …

Cloud Computing

Announcing the Availability of VMware’s Photon OS 1.0 | VMware Radius

Today, VMware announced the availability of Photon OS 1.0, VMware’s new Linux distribution. Optimized for VMware vSphere, Photon OS is available as …