Author: Zeeshan Bhatti

Learn | Teach Open Source Technologies

How to Install and configure Apache Storm

STORM INSTALLATION SETUP Before setting up Apache Storm, Zookeeper server must be setup in the cluster, which takes the main responsibility of running Storm cluster. Zookeeper is not used for message passing, so the load Storm places on Zookeeper is quite low. Single node Zookeeper clusters should be sufficient for most cases, but if you…
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How to Install MRTG with SNMP on Linux RedHat 6.5 / CentOS 6.5

Before you Install MRTG please verify apache is installed on your machine [root@mysql01 ~]# vi /etc/hosts localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 mysql01

How to Install JBOSS Network Operation with PostGreSQL and RHQ Agent

How to Install JBOSS Network Operation with  PostGreSQL and RHQ Agent Pre requisites! Kernel Update Host File Setting Centos 6 x86_64 Oracle Java JDK 1.6.0_45 POSTGRESQL Jon-server_3.2.0

How to Install RHQ on CentOS 6.5

Install PosgreSQL 3.1.1. Type ‘yum install postgresql*’ making sure to include the asterisk (*) 3.1.2. Type ‘y’ when prompted (happens twice) Confirm java version 4.1.    Type ‘java –version’ 4.2.    Confirm it’s running at least 1.6 and using OpenJDK (or Oracle/Sun Java or JRockit, but NOT GNU Libgcj)


VPN INSTALLATION on Linux [root@app-01 ~]# uname -a Linux app-01 2.6.32-431.11.2.el6.x86_64 #1 SMP Tue Mar 25 19:59:55 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux [root@app-01 /]# mkdir download [root@app-01 /]# cd download/ [root@app-01 download]# ll total 0 [root@app-01 download]# mkdir vpn [root@app-01 download]# cd vpn/ [root@app-01 vpn]# ll total 0

How to verify DDOS attack with netstat command on Linux Terminal

How to verify DDOS attack with netstat command on Linux Terminal Some examples with explanation netstat -na This display all active Internet connections to the server and only established connections are included. netstat -an | grep :80 | sort


APACHE GRAPH BASED MONITORING USING DARKSTAT Use for verification apache benchmark tool for Graph statistics collect. Apache benchmark 10000 requests concurrency Results. [root@mysql01 ~]# yum install httpd [root@mysql01 ~]# /etc/init.d/httpd start [root@mysql01 ~]# rpm -Uvh libpcap-0.9.4-15.el5.x86_64.rpm

How to Extend Linux Partition in CentOS 6.x

LVM ROOT PARTITION EXTEND IN CENTOS 6 To check current status of disk please run below command