August 2012
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August 2012
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6789101112
13141516171819
20212223242526
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How to add Gnome to a CentOS 6 minimal install

I have been using the minimal iso (CentOS-6.0-x86_64-minimal.iso) to install CentOS 6. I wanted to add a GUI to my vm, but I could not find easy documentation showing how to add a GUI, or Gnome in this case, to a CentOS 6 minimal install. I was not looking for the smallest X windows install, […]

Windows Azure Virtual Machines IIS 7.5 FTP

When enabled on the Windows Azure Virtual Machines Windows Server 2008 R2 virtual machine, most users will need to pass the files, programs, etc. on the needs of the cloud. Next, describes how Windows Server 2008 R2 in Windows Azure Virtual Machines enable the FTP file transfer service.

To demonstrate, we establish the named MyFTP […]

HTTP Load Balancing using Application Request Routing – IIS 7

Overview

This topic leads the reader through the steps to configure Application Request Routing to load balance HTTP requests to achieve high availability and scalability. The walkthrough also highlights a couple of core features on how Application Request Routing monitors the health of the content servers and affinitizes requests from a client to a content […]

Apache and Tomcat With mod_jk Installation and Configuration

What is Apache Tomcat? Apache Tomcat is the servlet container that is used in the official Reference Implementation for the Java Servlet and JavaServer Pages technologies.

Apache Tomcat powers numerous large-scale, mission-critical web applications across a diverse range of industries and organizations

What is mod_jk?

mod_jk is a replacement to the elderly mod_jserv. It is […]

Apache-Tomcat Clustering

This parameter is the one that is taken for granted in the current era. All applications are assumed to be stable enough to work 24×7, 365 days a year. This is considered as the assumed parameter of measurement.

1). Scope

To ascertain that the parameters of speed, concurrency and stability are handled when an application […]

ClamAV Virus Scanning

Thankfully Linux isn’t a platform which has a significant problem with Viruses, however it is always better to be safe than sorry. Luckily ClamAV is an excellent free anti-virus solution for Linux servers. However, at least on RedHat Enterprise 5 (RHEL5) the default install doesn’t offer any automated scanning and alerting. So here is what […]

Jboss Mod cluster

JBoss AS version 6 mod_cluster 1.1 Apache HTTPD server

The problem I had was that I just want to enable clustering for given VirtualHost section and not for the whole Web server. Current configuration was quite simple, as you can find out on mod_cluster’s web page. On the JBoss AS side you must uncomment […]

SSL redirect on EC2 instance behind SSL terminating load balancer

I’m trying to redirect all url’s to https in a web application.

I have an ec2 instance behind an elastic load balancer. SSL is terminated on the load balancer.

Any attempts at redirection end up giving me the familiar ‘this page is requesting in a way which will never complete’.

The load balancer forwards […]

Tuning Apache + Tomcat

ATG: Tuning Apache + Tomcat

I did some tuning on Apache which vastly decreased response times.

The tests show increase vast decrease in response. (see table below) which is due to the following improvements made effective by the tuning (Increased maxclients, KeepAlive on. KeepAliveTimeout etc):

1) Reusable connections to handle multiple requests from the same […]

JBoss Performance Tuning

The first thing that we need to do as a part of this exercise is to identify the parameters that we have to work upon. Below is a list of different things that we can look upon before actually going into the tuning part.

JVM Settingsa) JAVA HEAP SIZEb) PERM GEN SPACEc) Parallel GC? (Good […]