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How to Install Tomcat 8 on CentOS 7.0

How to Install Tomcat 8 on CentOS 7.0

Apache Tomcat is an open source web server and servlet container developed by the Apache Software Foundation. It implements the Java Servlet, JavaServer Pages (JSP), Java Unified Expression Language and Java WebSocket specifications from Sun Microsystems and provides a web server environment for Java code to run in. This article will guide you through the […]

25 Linux Interview Questions and Answers (Basic and Scenarios)

25 Linux Interview Questions and Answers (Basic and Scenarios)

As the opportunities for linux jobs are increasing day by day , its very  adequate to start preparing for linux interviews. In this article we have presented, questions and answers in basic level and scenarios. More likely all questions are related to system administration. Basic Questions 1. What is initrd image and what is its […]

July 21, 2014 | By in LINUX HOWTO | 2 Replies More
How to Install and Configure Nagios 4.0.7 on CentOS 7.0

How to Install and Configure Nagios 4.0.7 on CentOS 7.0

Nagios is a system and network monitoring application that offers monitoring and alerting services for servers, switches, applications, and services. It alerts the users when things go wrong and alerts them a second time when the problem has been resolved. Nagios runs periodic checks on user-specified resources and services, it can be used to monitor […]

July 18, 2014 | By in HOWTOS, LINUX HOWTO | Reply More
A Good Understanding of D-BUS - An IPC Mechanism in Linux

A Good Understanding of D-BUS - An IPC Mechanism in Linux

D-BUS is an IPC (inter-process communication) mechanism that helps applications communicate with each other. D-Bus  (Desktop  Bus)  is  a  simple  IPC,  developed  as  part  of  freedesktop  projects. It  provides  an  abstraction  layer  over  various  applications  to  expose  their  functionalities  and  possibilities.  If  you  want  to  utilise  some  feature  of  an  application  to  make  another  program  […]

July 16, 2014 | By in HOWTOS, PROGRAMMING | Reply More
Linux Smem Tool  - Displays Memory Usage More Accurate

Linux Smem Tool - Displays Memory Usage More Accurate

In a shared memory environment, which is a technique used by most operating systems, there is a challenge of counting the memory several times. This ends up giving users and system administrators inaccurate information on how physical memory is used. To solve this problem smem comes in very handy. Smem reports Unique Set Size (USS) […]