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Monthly archive March, 2013

How to monitor san switches using snmp with Nagios or Icinga

Overview

Monitoring of network devices like switches, routers and hardware firewalls can be performed easily using monitoring tools like Nagios or Icinga. The prerequisites require basic knowledge of snmp protocol and an existing setup of Nagios or Icinga. This post assumes Read More →

Log management using graylog2 0.11.0 on CentOS RHEL

Overview

Update: Please follow this link for the install guide of latest graylog2 version 0.12.0 Graylog has released the latest version of graylog server and web interface. This post will help you install both of these and assumes that you have Read More →

Install NetBeans IDE 7.3 with jdk 7 on Ubuntu CentOS RHEL Fedora

Overview

NetBeans IDE is FREE, open source, and has a worldwide community of users and developers. It helps one quickly and easily develop desktop, mobile and web applications with Java, HTML5, PHP, C/C++ and more. To know about all available features Read More →

Install rednotebook diary and journal software on Ubuntu Debian Fedora

Overview

RedNoteBook is a open source diary and journal software for Linux, Windows and Mac. It includes a calendar navigation, customizable templates, export functionality and word clouds. You can also format, tag and search your entries. RedNotebook is Free Software under Read More →

Install rkhunter (Rootkit Hunter) on RHEL CentOS Fedora Debian Ubuntu

Overview

rkhunter (Rootkit Hunter) is a Unix-based tool that scans for rootkits, backdoors and possible local exploits. It does this by comparing SHA-1 hashes of important files with known good ones in online database, searching for default directories (of rootkits), wrong Read More →

Improve mediawiki search using sphinx search

Overview

Anyone who has worked with mediawiki would agree that the default MW search is not that great. Even with smaller wikis the performance remains poor. There are some alternate search extensions that can be used to replace the default one. Read More →

Install Tomcat 6 with jdk 7 on CentOS RHEL Fedora Debian Ubuntu

Overview

Apache tomcat is a popular web server that can run java based web applications for you. This post help you setup tomcat with jdk on CentOS/RHEL, Fedora, Ubuntu or Debian systems. I will also explain how can you make run Read More →

How to monitor network switches using snmp with Nagios or Icinga

Overview

Monitoring of network devices like switches, routers and hardware firewalls can be performed easily using monitoring tools like Nagios or Icinga. The prerequisites require basic knowledge of snmp protocol and an existing setup of Nagios or Icinga. This post assumes Read More →

Install ganglia monitoring system on CentOS, RHEL

Overview

Ganglia is a scalable distributed monitoring system for high-performance computing systems such as clusters and Grids. It is based on a hierarchical design targeted at federations of clusters. It leverages widely used technologies such as XML for data representation, XDR Read More →

How to produce high CPU load, memory, I/O or stress test Linux server

Overview

There are times when you have to stress test your linux/unix box to see how the proxy, database, memcache or other applications running on top would perform under stress or resource crunch. Enter stress which is a deliberately simple workload Read More →
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