Cisco ASA Cheat Sheet

Cisco Adaptive Security Appliancy is known as the Cisco ASA. It is used to protect networks and data centres.It offers firewall, VPN and…


Migrage My Search From Solr To Elasticsearch

An NRT (near-realtime) search platform. It's about a one second delay from the time a document is indexed until it is searchable.I have been…


Set JAVA HOME In Linux

$JAVA_HOME an environment variable. It is the root path of the JRE or JDK which some applications and services use to access Java.I know…


Working With Git Remotes

I have a repository with two remotes. origin is my personal repository and bitbucket is by BitBucket repository. The nugget of this post is…


How To Craft Your Changes Into Small Atomic Commits Using Git

Small, atomic commits makes it easier for code reviews, browsing the history and reverting changes. Life happens and commits can touch more…


Using The Tar Command In Linux

I used to right-click on a zipped file and manage the archive using the GUI. Gone are those days. Now I mainly work with tar files and need…


Checking Disk Usage In Linux

I had to find out much free space was available on a file system on a Linux server. Now getting this information on the GUI is simple - a…


A Service Has Gone Rogue How Do I Manage It

Once I installed a development service on port 3000 and I forgot about it. When I ran my project I couldn't start it because the port was in…


Datomic Cheat Sheet Series Queries Part 5 Transactions

In this post I work through transactions. The example queries are grabbed from the Datomic Docs. If you want to get started with Datomic…


Datomic Cheat Sheet Series Queries Part 2

In this post I work through more querying capabilities using the Datomic MusicBrainz sample database. The example queries are grabbed from…


Datomic Cheat Sheet Series Queries Part 3 Rules

In this post I work through the creation of rules using the Datomic MusicBrainz sample database. The example queries are grabbed from the…


Datomic Cheat Sheet Series Queries Part 4 Pull

In this post I work through pull expressions using the Datomic MusicBrainz sample database. The example queries are grabbed from the Datomic…


Datomic Cheat Sheet Series Queries Part 1

In this post I work through querying the Datomic MusicBrainz sample database. The example queries are grabbed from the Datomic Docs. If you…


Datomic Cheat Sheet Series Getting Started

Get started with the essentials of Datomic from installing Datomic, running a transactor, working with the Datomic console, running the…