Logical Volume Manager (LVM) - adds an extra layer between the physical disks and the file system, which allows you to resize your storage on the fly, use multiple disks, instead of one, etc. Concepts: Physical Volume: Physical Volume represents
Linux
A collection of 28 posts
Expanding the Size of your EBS Volume on AWS EC2 for Linux
Resizing your EBS Volume on the fly, that is attached to your EC2 Linux instance, on Amazon Web Services. We want to resize our EBS Volume from 100GB to 1000GB and at the moment my EBS Volume is 100GB, as
Setup a NFS Server on Ubuntu
Quick post on how to setup a NFS Server on Ubuntu and how to setup a mount point on the client side to interact with the NFS Server. Server Side: In this post 10.8.133.83 will be the
Setup a Site to Site IPSec VPN with Strongswan on Ubuntu
Today we will setup a Site to Site ipsec VPN with Strongswan, which will be configured with PreShared Key Authentication. After our tunnels are established, we will be able to reach the private ips over the vpn tunnels. window.dojoRequire(
How to Setup a 2 Node Elasticsearch Cluster on CentOS 7 with some Example Usage
Elasticsearch, A distributed, RESTful search and analytics engine Today we will Setup a 2 Node Elasticsearch Cluster on CentOS 7 and go through some API examples on creating indexes, ingesting documents, searches etc. But before we get to that, let's
How to setup a Gateway to Gateway VPN using IPSec on CentOS
window.dojoRequire(["mojo/signup-forms/Loader"], function(L) { L.start({"baseUrl":"mc.us15.list-manage.com","uuid":"3dfcff447b6ee598231eeb658","lid":"5c36081d06","uniqueMethods":true}) }) In this tutorial we will setup a gateway to gateway IPSec VPN using OpenSwan. The Scenario: The scenario we will
Unable to Launch EMR Clusters with Cronjobs
The Issue: I was trying to Schedule the Launch of EMR Clusters using Cronjobs where I have noticed that it fails via cronjobs but passes via cli. The reasoning behind this in my experience was that the PATH variable that
Setup HTTP Load Balancer with HAProxy
When it comes to ensuring that we need our website needs to be online at all times, we need to start looking at High Availability. Today we will be demonstrating a basic setup of Layer 4 (transport layer) load balancing
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