Introduction to Apache Solr
I have a database containing couple of millions of records, and I wanted to index this data. At first I wanted to experience with Apache Lucene, but something told me to check Apache Solr first. I know...
View ArticleFix Egypt timezone on your Linux machine
This is a quick post I put for everyone using linux and struggling to update his/her timezone as it keeps changing. I compiled the updated Egypt timezone using the latest tzdata. The short way:...
View ArticleMount a VirtualBox VDI image on Debian
So I had to fix a broken linux installation on a VirtualBox vdi disk image, so I had to mount it and investigate what was going on. The system did not boot correctly because it was p2v-ed and it needed...
View ArticleWhat is Docker?
‘What is Docker?’ was the first question that jumped on my mind (or jumps to anyone’s mind) when I first heard about it. A docker is a platform built on sea used for loading and unloading...
View ArticlePractical Introduction to Docker Operations
After having a quick introduction on Docker, let’s have a practical introduction to Docker operations. Installation Debian 8 comes with a 3.14.0 Linux kernel, and a docker.io package which...
View ArticleBuild Debian Docker Image from Scratch
Now that we have practiced some basic operations with Docker, let’s create, import and start an image. This article covers how to build a Debian docker image from scratch and use it in...
View ArticleBuild RHEL Docker Image from Scratch
This article covers how to build a RHEL6 docker image from scratch and use it in docker. In order to build this image you either should have access to RHN or have DVD to install the base...
View ArticleDockerizing nginx
Now that we have images ready, let’s start dockerizing some applications to play with. I will start with dockerizing nginx and serve some static html content from it. To dockerize an application, you...
View ArticlePassing Red Hat EX401
By passing Red Hat EX401, I thought of sharing my experience and the study notes I took in order to pass this exam. First things first, I must say that I won’t be sharing anything about the exam itself...
View ArticleSearch Engine with Apache Nutch, MongoDB and Elasticsearch
This post describe how to build a search engine with Apache Nutch and use MongoDB as the data-store then index the crawled data using ElasticSearch. The post Search Engine with Apache Nutch, MongoDB...
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