We will use here HAProxy which is an open-source HA load balancer and proxy server for TCP and HTTP based applications. Ngnix is not recommended as we do not have webserver traffic to load balance. Let’s first install HAProxy on the proxy server. yum -y inst…

There are multiple ways to do real time analytics on Azure, depends on source type and the analytics which we want to perform. This article will introduce the major services in Azure which are involved for real time data solution and at the end will compare all to kno…

First let’s understand the 3 different roles of disk i.e. the data disk, the OS disk, and the temporary disk.  A data disk is a managed disk that's attached to a virtual machine to store application data, or other data you need to keep.  OS disk has pre-insta…

If you need to capture a network trace/TCP Dump of a client or server here are some simple ways using which usually I do this: Capture fiddler trace    1) Install Fiddler from http://www.telerik.com/download/fiddler/fiddler4 if not already done    2) Launch fid…

Tool Used: iperf First Instance ECS on Cloud: root@iZj6c5vmzbgujq3xi2m45aZ:~#  phoronix-test-suite system-info Phoronix Test Suite v5.2.1 System Information Hardware: Processor: Intel Xeon E5-2682 v4 @ 2.50GHz (1 Core), Motherboard: Alibaba Cloud…

Tool Used: sysbench, Phoronix Test Suite First Instance ECS on Cloud: root@iZj6c5vmzbgujq3xi2m45aZ:~# phoronix-test-suite system-info Phoronix Test Suite v5.2.1 System Information Hardware: Processor: Intel Xeon E5-2682 v4 @ 2.50GHz (1 Core), Mot…

Tool Used:  sysbench, Phoronix Test Suite First Instance ECS on Cloud: root@iZj6c5vmzbgujq3xi2m45aZ:~#  phoronix-test-suite system-info Phoronix Test Suite v5.2.1 System Information Hardware: Processor: Intel Xeon E5-2682 v4 @ 2.50GHz (1 Core), M…

Tool Used: sysbench, Phoronix Test Suite First Instance ECS on Cloud: root@iZj6c5vmzbgujq3xi2m45aZ:~# phoronix-test-suite system-info Phoronix Test Suite v5.2.1 System Information Hardware: Processor: Intel Xeon E5-2682 v4 @ 2.50GHz (1 Core), Mot…

Step1 . Created ECS and RDS instance Open port 80 on ECS for web traffic Whitelisted ECS public IP (47.75.190.46) for RDS access Verify mysql connection from ECS

Installing a Hadoop cluster typically involves unpacking the software on all the machines in the cluster or installing it via a packaging system as appropriate for your operating system. It is important to divide up the hardware into functions. Typically one machin…

Security-Enhanced Linux (SELinux) is a Linux kernel security module that provides a mechanism for supporting access control security policies, including mandatory access controls (MAC).   Without SELinux enabled, only traditional discretionary access control (DAC) …