A quick post on how to setup passwordless ssh access between linux hosts. When generating a key pair, it provides you with a public and a private key. You can place the public key on any server, and then it
Ruan Bekker
A collection of 244 posts
Find Command in Linux
Post on the find command in Linux. Find files modified in the last 7 days: find /opt/ -mtime +7 Finding Files: find /opt/ -type f -name "abc*" Finding Directories: find /opt/ -type d -name "abc*" Find
AWS Java SDK - Detect if S3 Object exists using doesObjectExist
window.dojoRequire(["mojo/signup-forms/Loader"], function(L) { L.start({"baseUrl":"mc.us15.list-manage.com","uuid":"3dfcff447b6ee598231eeb658","lid":"5c36081d06","uniqueMethods":true}) }) I was writing a test application which is hosted on EC2 on Amazon Web Services (AWS) and one of the
Setup Spark Cluster on Hadoop YARN
This is part 3 of our Big Data Cluster Setup. From our Previous Post I was going through the steps on getting your Hadoop Cluster up and running. In this tutorial, we will setup Apache Spark, on top of the
Setup Hive on Hadoop YARN Cluster
This is part 2 of our Big Data Cluster Setup. From our Previous Post I was going through the steps on getting your Hadoop Cluster up and running. In this tutorial, we will setup Apache Hive, on top of the
Generate Random Data with Python
A couple of times before, I had to generate massive amounts of sample data in order to reproduce certain issues/scenarios etc. You get some awesome tools online, but most of the time, free versions that they offer, limits you
Mail Server Virtual Users with MySQL Postfix Dovecot on CentOS
We will be setting up a Postfix/Dovecot Mail server with Virtual Domains, MySQL as backend. This setup is part of a Mail Setup Series: Mail Server with Postfix/Dovecot and MySQL Mail scanner with MailScanner, ClamAV and Spamassassin (In
XtreemFS for Distributed Storage
XtreemFS is a Distributed Filesystem and it's pretty awesome! It's features includes, but not limited to: XtreemFS automatically handles all failure modes. Fault-Tolerant Replication gives you a peace of mind. XtreemFS is also scalable, where you can add datanodes to
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