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How to Run Remote Commands with SSH

The ssh program can  be used for monitoring remote hots. The system admin can also execute commands from his desktop which can be executed at remote servers. This is a cool facility of ssh. We can do much more on SSH. root@admin:~ # ssh root@www ‘df -h’ Filesystem Size Used Avail Use% Mounted on /dev/ubda 3.5G 2.1G [...]

Nokia Open Source Web browser for S60 Smartphones

Nokia unveiled the new Web browser for its world leading smartphone software, S60 platform aimed to provide smartphone users with a true Web experience when browsing full Web pages on the Internet using a smartphone. “The new Web browser for S60 is based on the WebCore and JavaScriptCore components of Apple’s Safari Web Kit, the industry’s smallest [...]

How to use Ifconfig Command in Linux

Ifconfig is used to configure the kernel-resident network interfaces. It is used at boot time to set up interfaces as necessary. After that, it is usually only needed when debugging or when system tuning is needed. To get a quick look at all the network cards on your system that are ‘up’ (meaning they are [...]

A brief to various iptables commands

We will use an example based approach to examine the various iptables commands. In this first example, we will create a very simple set of rules to set up a Stateful Packet Inspection (SPI) firewall that will allow all outgoing connections but block all unwanted incoming connections:

Database Replication in MySQL – Step by Step Guide

Replication enables data from one MySQL database server (called the master) to be replicated to one or more MySQL database servers (slaves). Replication is asynchronous – your replication slaves do not need to be connected permanently to receive updates from the master, which means that updates can occur over long-distance connections and even temporary solutions [...]