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1 month ago
Cisco Command Line is still the best. ;)T


3 months ago
https://mycomputerdudes.com/product/3d-printed-rocket-from-guardians-of-the-galaxy/ Follow this link to purchase a 3-d printed plastic model of "Rocket" Racoon from Guardians of the Galaxy! Super detailed!! :)T

3 months ago
Here is an interesting website that does Site Ranking and Search Engine Ranking for any website. It generates a free report online and in PDF format. https://checkpagerank.net/index.php

9 months ago
Computer Dudes 800 Number: 1-800-545-1449

9 months ago
Chatbox Active: Sorry, you have to be a Computer Dude to post here. ;)

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The Computer Dudes, Inc's:  Focus and High Traffic Technology News

This section gives special Focus on current Technology Issues in homes and small businesses.  

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Security News

A cluster of Pi offers new hope in decrypting Ransomware. A cluster of 4, Raspberry Pi 4's with 4 Gb of DDR4 memory each !

on 15 Sep 2019  Posted by Administrator  Category: Security News  

Ransomware has become an annoying problem here in Florida and the Southeastern United States.   Many small companies and government agencies are not prepared and have no defense against the attacks.   They also have no money to get new computers or repair the security problems that let the Ransomware in.   

Maybe there is another solution:  Break the Encryption with powerful minicomputers like the new Raspberry Pi 4 or clusters of them.  

That is one of the projects we are working on here at Computer Dudes this week.   We are clustering 4 of the new Raspberry Pi 4's that have 4 Gb of DDR4 memory.

Below are some of the things we are looking at in addition to Decryption Projects as well as how we plan to setup the cluster for maximum efficiency. 

1) Already making mods to the original configuration. We found a Windows Utility that will Format an SDCard in FAT 32 up to 2 Tb. (far past the Microsoft limitation of 32Gb)  We used the fastest Camera Grade SDCards we could find with 64 Gb each.so a 4 Pi cluster has 256 Gb of Solid State Camera Grade SDCards as its primary Hard Drive.

2)  But, as fast as those SDCards are they are snails compaired to the speed of the 4 Gb of DDR4 RAM memory.  So we will have to use some of the DDR4 memory as a RAMDisk. Its gonna be sick how fast it is.

3) We are naming the cluster version "Chico" "My little friend, Chico!". "Chico" the portable supercomputer, running off a cell phone battery.  ;)

4)  The WiFi and Bluetooth are great but for pure computing strength we will shut them both down and use the Gigabit Ethernet Port.  Every un-needed driver, program, or function shut down and removed increases the computing power of the Raspberry Pi 3 and 4.

5)  Next we will be shut down devices and functions not used to save computing and electric power. More on that here:  https://learn.pi-supply.com/make/how-to-save-power-on-your-raspberry-pi/  

6)  Then we will setup a RAMdrive and set the software to load the RAMdrive from the SDcard and then booting from the RAMdrive. (Because it is much faster)   https://www.domoticz.com/wiki/Setting_up_a_RAM_drive_on_Raspberry_Pi?

7)   When the cluster is complete it can be used as a high speed webserver.   In fact, the Raspberry Pi manufacturer uses a cluster of Pi's to host their website and support sites.  Very heavy, interactive websites with all sorts of multimedia too.   https://www.techrepublic.com/article/low-cost-raspberry-pi-4-cluster-hosts-official-pi-website-handles-record-traffic-for-pi-4-launch/

Update for Monday, September 16, 2019

Today we reviewed memory device speed for the Raspberry 4B.   

USB 3.0  vs MicroSD Storage

Since Raspberry Pi 4 now comes with two USB 3.0 ports, which support  ~100MB/s read/write speed,  Connecting a SSD USB 3.0 Drive gets even better speed..

But before you settle on one of those devices check out the transfer speed of the DDR4 on the Raspberry Pi 4.

DDR4 data transfer rate:

  • DDR4 2133:17 GB/s
  • DDR4 2400:19.2 GB/s
  • DDR4 2666:21.3 GB/s
  • DDR4 3200:25.6 GB/s

More soon.  - Todd :) 

The Computer Dudes, Inc. fight Ransomware, Spyware, and Viruses using Virtualization and Advanced Network Design

on 08 Sep 2019  Posted by Administrator  Category: Security News  

Ransomware and other viruses are hitting corporations, government and schools all over Florida and the United States.  

The Computer Dudes have been using advanced technology and network design to keep your computers and servers clean and fast since 1997.

Today we had a breakthrough on "Brute Force" password cracking.   Our new hardware/software solution can process in less than 15 minutes what use to take it more than 8 hours.  The tech can be used for testing passwords or decrypting locked files like "Ransomware."  

Coming Soon:  A basic guide to dealing with Ransomware.
                           Better Security Practices
                           Better Routing, Security and Backups
                           Removing Ransomware and viruses from standard and virtual computers once they have been infected.

As soon as you read this UPDATE all of your Windows 10 computers and devices.

on 14 Aug 2019  Posted by Administrator  Category: Security News  

Microsoft's flagship Operating System, Windows 10, has another set of security risks.    So as soon as you read this update all of your Windows 10 computers and devices.  Let your friends and coworkers know.   

The update only takes about 10 minutes and requires a restart.   It is best to close all programs before running the update.  Most Windows computers also update when you restart them.  You can run or schedule

Here is a story on CNN about the latest update.     https://www.cnn.com/2019/08/14/tech/windows-10-microsoft-security-update-trnd/index.html

This link is to a more technical explanation of the Windows 10 bugs and the updates that fix them:

Tired of Windows and all the updates?   Switch to Linux or Mac.  ;)  

If you need further assistance feel free to call us here at The Computer Dudes, Inc.  850.681.7552

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