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Network Security Tools. Network Calculators. NETadMIN Interviews. SSH. OpenSSH is a FREE version of the SSH connectivity tools that technical users of the Internet rely on. Users of telnet, rlogin, and ftp may not realize that their password is transmitted across the Internet unencrypted, but it is. OpenSSH encrypts all traffic (including passwords) to effectively eliminate eavesdropping, connection hijacking, and other attacks.

The encryption that OpenSSH provides has been strong enough to earn the trust of Trend Micro and other providers of cloud computing.Additionally, OpenSSH provides secure tunneling capabilities and several authentication methods, and supports all SSH protocol versions. SSH is an awesome powerful tool, there are unlimited possibility when it comes to SSH, heres the top Voted SSH commands 1) Copy ssh keys to user@host to enable password-less ssh logins. ssh-copy-id user@host To generate the keys use the command ssh-keygen. SCRIPT COMPARE. A side-by-side reference sheet sheet one: grammar and invocation | variables and expressions | arithmetic and logic | strings | regexes | dates and time | arrays | dictionaries | functions | execution control | exceptions | concurrency sheet two: file handles | files | file formats | directories | processes and environment | option parsing | libraries and namespaces | objects | polymorphism | reflection | net and web | unit tests | debugging and profiling | java interop.


SQL Training. PHP 101. This area is intended for everyone new to PHP.

PHP 101

It opens with a series of informal, entertaining tutorials written by Vikram Vaswani, founder and CEO of Melonfire. These tutorials build on a previously-published 5-part series which has now been updated and extended to embrace PHP 5, making parts of it suitable for those of you who already have worked with PHP 4 in the past. If you came here to learn about elementary PHP 4 or basic PHP 5, this is for you. Enjoy! PHP 101 (part 1): “Down the Rabbit Hole” An introduction to PHP’s variables and operators.PHP 101 (part 2): “Calling All Operators” The rest of the PHP operators (there are many), and simple form processing.PHP 101 (part 3): Looping The Loop Basic control structures explained.PHP 101 (part 4): The Food Factor Arrays, PHP array functions, and what it all means.

Encryption. Steve Friedl's Tech Tips. Does this site look plain?

Steve Friedl's Tech Tips

This site uses advanced css techniques - Software Consulting Central Steve Friedl's Tech Tips This is a collection of tips on a very wide-ranging list of topics, some of which are not terribly technical. If I solved a problem that I thought others might need, I put it here so the search engines would pick them up. Table of Contents Those who wish to reproduce these elsewhere will find that a polite request in advance usually gets a positive response. Finally, as of February 2009, I have an RSS feed for these Tech Tips. Some Tips have outlived their usefulness, but we nonetheless archive them here. This is all original material, and some Tips are in multiple sections. Software Development Mailserver Administration Networking Infrastructure Non-internet Networking Databases Security Windows Printing System Windows Admin/Development.

Router Info. Default Router Passwords.