When it comes to ensuring that we need our website needs to be online at all times, we need to start looking at High Availability. Today we will be demonstrating a basic setup of Layer 4 (transport layer) load balancing
Linux
A collection of 29 posts
Creating a BASH init startup script
Create a simple bash init script, and pass the arguments to stop or start a process. In this example we will use the init script to control tcpdump. Pre-Requisites: Create, and apply permissions. $ touch /etc/init.d/tcpmonitor $ chmod +x
Secure Passwordless SSH using Keys
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
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
Setup Domain Controller on Linux using Samba 4
We will be setting up a CentOS Server as Domain Controller using Samba4 and then using a Windows client to authenticate against it. This is a alternative to Microsoft's Active Directory. In the following setup I will reference the DC
Setup MongoDB on CentOS and Getting Started Guide
MongoDB is a cross-platform document-oriented database. Classified as a NoSQL database, MongoDB's structure in are JSON-like documents with dynamic schemas (MongoDB calls the format BSON), making the integration of data in certain types of applications easier and faster Setup MongoDB
Setup ELK Stack with Elasticsearch Kibana Logstash
~Note:~ This post is old and is scheduled to be updated. Centralized logging, analytics and visualization with ElasticSearch, Filebeat, Kibana and Logstash. Our ELK Stack will consist of: Elasticsearch: Stores all of the logs Kibana: Web interface for searching and
Setup Ruby on Rails for CentOS
Ruby on Rails, or simply Rails, is a web application framework written in Ruby. Rails is a model–view–controller (MVC) framework, providing default structures for a database, a web service, and web pages. Lets get started with our setup:
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