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What are Mainframes?

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What are Mainframes?



Mainframe computers, also known as “big iron,” power things from credit card processing to airline ticketing. How do they work, and what makes them different from other large-scale devices like supercomputers?

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Thanks to Connor Krukosky for his assistance with this episode.

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24 Comments

24 Comments

  1. @crazyedo9979

    October 12, 2024 at 4:58 pm

    IBM forgot more about buliding computers than all other together have ever known and always have one bit more.😁

  2. @thierryf67

    October 12, 2024 at 4:58 pm

    it's more than 25 y that i work on mainframe system, and i never heard the phrase "big iron". Is it only english/american nerd slang ?

  3. @EricPham-gr8pg

    October 12, 2024 at 4:58 pm

    Main frame is good for big banks that don't want lose many to hacking

  4. @OmegaWolf747

    October 12, 2024 at 4:58 pm

    I had no idea mainframes were still in use. Wild.

  5. @pixelcatcher123

    October 12, 2024 at 4:58 pm

    cobol

  6. @rty1955

    October 12, 2024 at 4:58 pm

    As a mainframe programmer since 1969 and who wrote millions of line of assembly code, i can tell you that once you code for a mainframe, yoy will never go back to the PC world again.
    I feel bad for programmer who never had the pleasure or programming or even touching a mainframe. Even though i am a recently retired CIO, and 13 programming languages under my belt, i miss my days on "big iron"

  7. @Thomas-c1Thomas_6hkt

    October 12, 2024 at 4:58 pm

    Life's a playground, so wear that smile proud.

  8. @Dorothy__c9d

    October 12, 2024 at 4:58 pm

    The future revealed: exclusive interview with Binance's CEO

  9. @John-l2John_u

    October 12, 2024 at 4:58 pm

    Scientific alert: cash refund notification

  10. @Joseph_1t6x

    October 12, 2024 at 4:58 pm

    Refunding realities: navigating quick and efficient refunds

  11. @Christopher__6033

    October 12, 2024 at 4:58 pm

    Significant, yet another round of important refund information

  12. @William___cg

    October 12, 2024 at 4:58 pm

    Let's play the important refund info game

  13. @roo99710

    October 12, 2024 at 4:58 pm

    Fun fact: if you wear shades and type into a black background with green text really fast and say "i gotta hack the mainframe" with 2000s techno music playing you can break into the most secure mainframes.

  14. @michgingras

    October 12, 2024 at 4:58 pm

    big iron is the name i give to my #$%^

  15. @jbsimmons54

    October 12, 2024 at 4:58 pm

    Cut my teeth on an IBM 1620/1710 decimal based mainframe w/ mag core storage, card reader/punch, card printer, A/D I/O, and a 10Mb washing machine size removable HDD. Then migrated to IBM 360, IBM 370, IBM 3033 mainframes on TSO, CICS, JES 2, JES 3, etc., and all their OSs and programming languages.

  16. @NicolLauren-q4w

    October 12, 2024 at 4:58 pm

    Purdy Wall

  17. @jcasetnl

    October 12, 2024 at 4:58 pm

    A terminal emulation PROGRAM, Linus.

    So disappointed.

  18. @KalPsycho-b6y

    October 12, 2024 at 4:58 pm

    Bro can't be replaced By AI

  19. @LowellArmand

    October 12, 2024 at 4:58 pm

    9003 Hamill Light

  20. Anonymous

    October 12, 2024 at 4:58 pm

    It’s 2024 on my era, mainframes and cobol are still here

  21. @random_person-i5o

    October 12, 2024 at 4:58 pm

    i thought they were a box with a stupid amount of storage like 10 billon terebyts

  22. @yepyep266

    October 12, 2024 at 4:58 pm

    Should i get into mainframes as a career living in Canada?

  23. @LloydBarnett-p8g

    October 12, 2024 at 4:58 pm

    Guillermo Mountain

  24. @goodtheme-wl1he

    October 12, 2024 at 4:58 pm

    Oh so that’s why when I went to H-mart and I checked out, there was a old-school system (but in color)

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My simple and budget friendly desk makeover 2024

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My simple and budget friendly desk makeover 2024



#desksetup #ikeahacks #makeover
Finally committed to my full desk makeover and setup.

I kept a low budget in mind, mainly using items from IKEA & Amazon.

Some pieces were custom made to give a personal touch and others were on hand from years prior.

If you’re looking to redo your desk setup, this video will hopefully be your go-to guide.

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Dell M1000e Blade Enclosure – System Overview

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Dell M1000e Blade Enclosure - System Overview



The Dell PowerEdge M1000e modular blade enclosure is a breakthrough in enterprise server architecture. Built from the ground up to combat data center sprawl and IT complexity, the M1000e delivers one of the most energy-efficient, flexible and manageable blade server products on the market. Flexible and scalable, the M1000e is designed to support future generations of blade technologies regardless of processor or chipset architecture. The M1000e is optimized for use with all Dell PowerEdge blades.

In this video, Lonnie Laub, STI’s lead technician, guides you through the features and benefits of the M1000e. http://www.stikc.com .

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SERVER: Dell PowerEdge R910 ,16Bay,2.5" small and corporate business machine

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SERVER: Dell PowerEdge R910 ,16Bay,2.5" small and corporate business machine



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Dell PowerEdge R910 is an Intel based 4-Socket, 4U Rack mount Server machine with 4-Way scalability,

1- Recommended for small Business and corporate business for mission critical applications in Corporate Data Centers (CDC) and where workloads needing highest performance and reliability.

2- It support max. 2TB memory DDR3 that can be fix in 8 Riser memory modules consisting of 08 slots each

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3- Front Accessible 16 Bays 2.5”

4- Hot-Swap Power Supply 4 X 1100 Watt

5- Gigabit Ethernet 04 Ports

6- Max. weight 47.6 KG with full configuration.

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Dell M1000e Blade Center – 16 servers, 1tb Ram and 10gb ethernet in a tiny cube!

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Dell M1000e Blade Center - 16 servers, 1tb Ram and 10gb ethernet in a tiny cube!



Qain and Wendell take a look at the Dell M1000e bladecenter: https://teksyndicate.com/videos/big-compute-dell-m1000e-bladecenter
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Though this equipment is about 3 years old, this setup has 1.5 terabytes of ram and 12 hyper-threaded cores per blade in 16 blades. Each blade in a bladecenter is a fully functional Xeon server, and the bladecenter houses up to 16 of these blades.

Full article over at https://www.teksyndicate.com

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CHENBRO SR113|4U Rackable Tower Server Chassis for Multi GPGPU Applications

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CHENBRO SR113|4U Rackable Tower Server Chassis for Multi GPGPU Applications



#AI #Chenbro #SR113

Equipped with a multi-drive cage design option and effective thermal performance for maximized 5 GPGPU configurations, it is the ideal workstation for bringing AI, machine learning and high performance computing to the edge.

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■Links with Chenbro’s reference motherboard program

Learn more:
👉https://www.chenbro.com/zh-TW/products/TowerServerChassis/High_End_chassis_for_Enterprise/SR113

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Virtual Machine (VM) vs Docker

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Virtual Machine (VM) vs Docker



Learn more about Docker → https://ibm.biz/BdPg33
Learn more about Virtual Machines → https://ibm.biz/BdPg3T

Is Docker just a lightweight virtual machine? It’s true that both have one thing in common, namely virtualization, but there are significant differences that you will need to understand in order to pick the right one for your requirements. In this video, Martin Keen explains the ways that Docker and virtual machines are similar as well as their main differences. He also covers their relative strengths and ends by offering recommendations on criteria that will help you choose which is best for your project.

Get started for free on IBM Cloud → https://ibm.biz/sign-up-now
Subscribe to see more videos like this in the future → http://ibm.biz/subscribe-now .

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