Tag: AWS

Configuring Elastic Load Balancer on Amazon EC2

Load balancers are used to distribute the requests/queries to multiple server instances. Most web infrastructures have multiple front-end servers that share the load of the application. Although there are multiple server instances, the end-user only see them a single node. In this tutorial, I’ll walk you on how to configure an Elastic Load Balancer on Amazon, add your web server nodes and point your domain name to the EC2 load balancer.

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Cloning your Instances on Amazon EC2

Multiple front-end web server setups are almost always in use these days. Instead of just one server serving web traffic, you create two or more servers which will share the load evenly to serve requests from users. These servers usually connect to a backend database server. On this tutorial, we’ll walk through the steps on adding another web-front end server by cloning you current web server node.

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Adding new disk on Amazon EC2 instance Centos/RHEL 6

Amazon VPS instances, by default only have a single disk for the whole filesystem of the server. Unless you chose to add an additional disk when you provision the server, adding disk space to your VPS can be tricky. Here’s a run down on how to add more storage to your server on amazon by mounting a new drive.

In this tutorial, I’ve mounted the new drive to /var/lib/mysql since I need to increase the disk space used by the database. This tutorial is still applicable even if you want to increase a different folder. The process will be the same.

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Install Gitblit Go on CentOS/RHEL 6/7

If you are a programmer or work with programmers, managing code repositories is one the task you’ll likely to encounter. Git has become widely popular for storing/managing code repositories.
Gitblit GO is an open-source, pure Java stack for managing, viewing, and serving Git repositories. It’s designed primarily as a tool for workgroups who want to host centralized repositories. Gitblit GO is an integrated, single-stack solution based on Jetty.
In this fast tutorial, you’ll be able to install GitBlit Go and create you own git repositories.
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Create a swap file in Linux

Some VPS on hosting providers like Amazon Web Services do not have swap by default. Or if your server was configured with small swap and now you want to increase it. Below are instructions on how to increase swap area.
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Installing Transmission Daemon on CentOS 6 / RHEL 7

Transmission is a popular torrent client on modern Linux systems. It has both a GUI for desktop and a daemon that can run on headless servers such as an Amazon VPS. An advantage of running it on Amazon is that torrents will be downloaded faster since the VPS bandwidth is higher, then you can just directly download your file from your VPS. This helps offload the torrent traffic from your own internet connection.
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