How Easily Can Manage SNMP Base Devices

Some times , we need central management of  SNMP devices , to control all devices status , bandwidth , memory , CPU , users and so on.
on the market there are bunch of these software but Open Source one is something else.
The features that at least the selected software must have is :
1-Web Base
2-Platform Independent
3-Easily [...]

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Boosting Dynamic Web Application Speed

Boosting Dynamic Web Application Speed

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Linux Screen Command

It’s not one of the populer Linux Command , but its one of those programs that you just can’t stop using once you’ve started.
screen
screen [options] [command [args] ]
Provide ANSI/VT100 terminal emulation, making it possible to run multiple full-screen pseudo-terminals from one real terminal, and letting you manipulate and save your screen input and output, [...]

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OpenNMS

OpenNMS is an enterprise-grade network monitoring platform developed under the open source software model. It consists of a community-supported, open-source project as well as an organization offering commercial services, training and support. (Wikipedia)
Features

Service polling – determining service availability and latency, including distributed measurement of availability and latency, and reporting on the results
Data collection – collecting, [...]

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Sync Local Time with Hardware Clock

Sometime , be need to sync local date and time that was seted by “date” command , with Computer Hardware clock.
for doing so :
#date  –set –date “2008-12-23  24:00″
and then sync it .
#hwclock  –systohc

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Times to find out consuming Resource in MySQL

Times to find out consuming Resource in MySQL

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Deep Packet Inspection

Deep Packet Inspection(DPI), Useful or harmful ?
What’s The purpose ?

The US government has been spying on foreigners and US citizens using Deep Packet Inspection at international peering points according to a 2008 IEEE Computer Society journal article:

Optical fiber carrying the inter-ISP peering traffic associated with AT&T’s Common Backbone was “split,” dividing the signal so that [...]

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Wikipedia on Mobile phone

Wikipedia on your Mobile phone

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MPLS in Linux

MPLS for Linux is a open source effort to create a set of MPLS signaling protocols and an MPLS forwarding plane for the Linux operating system.

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Virtual Infrastructure Client

After a period time of starting VMware ESX server, when using VIC (VMware Infrastructure Client) to monitor the Virtual Machine, everything seems ok but, when you want to see the console, encounter with this error:

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