network

How to backup a directory over network via tar and ssh?

May
01

If you wish to make a backup of a file system between two unix machines, you may use scp command.

How do you setup dual NIC, multi-homed host?

Nov
20

1. What is multi-homed host?

A multi-homed host is known as a computer that has multiple network connections, of which the connections may or may not be the same network. Web hosts and application service providers setup a multihomed router (or system) to connect to two or more upstream Internet Service Providers, and setup network redundancy. The term, multihomed, is used to denote that a system is connected to multiple networks.

VoIP Service Comparison (Ooma vs. Magic Jack Plus)

Jun
07

Over the years, high-speed internet services are available for many families. It allows customers to consider switching an alternative phone service, VOIP (Voice Over Internet Protocol), instead of traditional landline. It could reduce or completely remove phone bills without losing voice quality significantly. AT&T and Vonage are one of known VOIP providers, but they are not economical choice. Nowadays, there are many VOIP providers and it makes difficult for customers to choose the right options for them. We reviewed the most popular cost-effective VOIP alternative options, Ooma vs.

[SOLVED] Vmware Server 2 network bridge is not working (missing vmnet0)

Aug
05

I've had a hell of time today trying to figure out vmware server 2 network bridging problem. The server I've setup more than 2 years ago have been running flawlessly with more than a few reboots over the course of 2 years, and never had network problem in the Guest Operating system running Centos 5.

SMTP Email Address Validation

Mar
09

How do you validate an email address? You may validate it with a javascript on the client-side, or run a server side validation via a regular expression or a newly available filter_var function of the PHP 5.2.x. Perhaps, you may want to go one step further, and verify the email address from the remote SMTP server.

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