Hellow there! How’s it going? Today I thought of concentrating my blog on Apache Virtual Host. There you have the URL to the documentation page. It’s for the Apache HTTP Server Version 2.2. Have you got time to read all that? I mean who’s got time to read all those docs? That’s why I’m here for. I’ll make this blog post ...
Have you ever got this error? Oh! You are searching for a solution right? You have come to the right place. Let me give you the simplest answer and it works charm. For the time being assume that this is your query. DELETE FROM table_name where coulmn_name IN (SELECT coulmn_name FROM table_name WHERE coulmn_name > 10); What you can do is change the ...
Hey there! How’s it going? Today what we are going to do is remotely connect to a linux machine with a GUI. Better than ssh right? For that we’ll be using VNC. So VNC? Virtual Network Computing (VNC). VNC is a graphical desktop sharing system. It uses Remote Frame Buffer protocol (RFB) protocol for the communication. If you are curious ...
What Monit? Let me explain about the utility. It has the ability to start a process if it is not running, restart a process if not responding and stop a process if uses high resources. In simple words it’s a helpful program that automatically monitors and manages server programs/resources to ensure that they stay online 24/7 while maintaining the correct file size, ...
How’s it going tech folks? I have been silent for a while but decided to make a noise after all. How to architecture your product precisely for it to operate without any abnormalities to meet its non-functional requirements is what I’m going to talk about. If you don’t properly architecture your product it might behave abnormally under a heavy load, could be vulnerable ...
As I said earlier loading balancing is a hot topic when it comes to High Availability(HA). So here goes the 2nd post on HAProxy. Let’s distribute the workload among server using our favorite load balancer HAProxy. If you didn’t read the 1st post on MySQL load balancing with HAProxy it’s time now or never. Today we are going to take a ...
Nginx is one of the most famous web servers in the today’s market which provides a set of features that the Enterprise can utilize to scale out the infrastructure. Today, we are going to focus on installing Nginx on Ubuntu, setting it up as a reverse proxy and to load balance (high availability) with Keepalived. I have done a similar ...
Hadoop is everywhere and gaining attention like crazy. This is not an article which explains what’s it or how it works because there are a lot of good resources for that. So I don’t want to repeat the same stuff but I’m going to help you to go step further and deploy a Hadoop multi node cluster on ubuntu. Pretty interesting right? ...
Are you worried about your Apache server performance? Okay let’s talk about Apache Multi-Processing Modules (MPMs). There is a documentation for Apache MPM but who has got time to read the documentations. Let’s talk in simple plain english about Apache Multi-Processing Modules (MPMs). All you need is 15 mins to learn Apache MPMs(happy-face). What The MPMs are used to change the ...
Have you ever got this MySQL error? Oh! You are searching for a solution right? You have come to the right place. Let me give you the simplest answer and it works charm. For the time being assume that this is your query. DELETE FROM table_name where coulmn_name IN (SELECT coulmn_name FROM table_name WHERE coulmn_name > 10); What you can do is change the ...
What’s High Availability High availability is a critical success factor for any given enterprise application. Today we’ll go through how to design and deploy an application with high availability. First things first. Let’s see what’s high availability. High availability is a characteristic of a system, which describes the duration (length of time) for which the system is operational. – Wikipedia ...
Nginx is one of the most famous web servers in the today’s market which provides a set of features that the Enterprise can utilize to scale out the infrastructure. Today, we are going to focus on installing Nginx on Ubuntu, setting it up as a reverse proxy and to load balance (high availability) with Keepalived. I have done a similar ...
In today’s world, microservices architecture is taking over pretty much everything. The deployment mechanism that goes with microservers is containers. When you have a lot of containers in your application you need to have a platform to manage those containers. That’s where the Kubernetes comes into the picture. What is Kubernetes Kubernetes is an open-source system for automating deployment, scaling, and management ...
If you are wondering how to access a Java function from your PHP code, this blog post is just for you. Answer to your problem is PHP/Java Bridge. You can do many more things using PHP/Java Bridge. Without beating around the bush let’s get started(happy-face). What’s PHP/Java Bridge? “The PHP/Java Bridge is an implementation of a streaming, XML-based network protocol, which ...
Hey developers! I feel really good because I was able to pass 40,000 reputation points on StackOverflow and it has been a great journey helping the community and getting help from the best people. I’ll tell you more… My last post is also about Stackoverflow 30K achievement, therefore I would like to keep this blog post short and sweet. ...
So WSO!!! By attempting any of the things listed in this blog post you accept full responsibility for your actions and I will not be held responsible whatsoever. This tutorial is strictly for penetration testers only. Today we are going to talk about a slightly different topic. I’m pretty sure you are going to love it if you are techie ...
Hello, everyone! It’s been a while since I wrote a blog post. Today, I’m exploring the Event-Driven Architecture (EDA), particularly in the context of social protection. EDA’s diverse patterns offer unique solutions for complex problems we see. Note that I will be taking OpenSPP as an example to explain, as it’s the project I am working on now. Think that ...
Today let’s focus on a Linux command list that will be useful to a newbie who is just starting off with Linux. It doesn’t matter whether you are a web developer or software engineer if you are going to use Linux you have to learn these. These commands are used day to day to get done work. I don’t want ...
Today we are going to talk about UML Generator called phUML which is written in PHP. phUML is one of the best tools I have encountered to generate a class diagram from the existing PHP code. This is a common need when it comes to agile methodology. At some point we all have to write code 1st then do the documentation such ...
What’s HAProxy HAProxy is a free, very fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications. It is particularly suited for very high traffic web sites and powers quite a number of the world’s most visited ones. Loading balacing is a hot topic when it comes to high availability(HA). You can distribute the ...
