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Ask Slashdot: Becoming a Network Administrator?

J. L. Tympanum writes "After many years as a star programmer, I have taken a position which involves maintaining and rebuilding the in-house network of a small company. There are maybe 100 machines, a mix of blade servers running Linux and desktop PCs running Windows of all flavors. Basically, I have to learn networking from scratch. I have been given an 'unlimited' budget to buy routers, switches, etc., to set up my own little test network as part of the learning process. So the question is: what's the right strategy here? What routers or switches or other equipment should I acquire? What books should I read? Should I take classes from Cisco, Global Knowledge, my local community college, or somewhere else?"

9 of 480 comments (clear)

  1. Step 1 by nuintari · · Score: 5, Funny

    Run, run as fast as you can, and don't look back.

    --

    --Nuintari

    slashdot : where an opinion can be wrong.

  2. Step #1 by Anonymous Coward · · Score: 5, Insightful

    Hire a professional :)

  3. Welcome to management by characterZer0 · · Score: 5, Funny

    1) Use your unlimited budget to hire a network administrator.
    2) Go golfing.

    --
    Go green: turn off your refrigerator.
  4. This isn't a boon. It's a curse. by Anonymous Coward · · Score: 5, Funny

    I have this job now and my girlfriend tells me I wake up almost nightly screaming. I can't help but think they're connected.

    1. Re:This isn't a boon. It's a curse. by PrimalChrome · · Score: 5, Funny

      Haven't you seen Inception? You're still sleeping....the girlfriend should have given it away.

  5. you just need to learn one thing by roman_mir · · Score: 5, Funny

    All you need is the cloud.

    What you do is get a cloud. Just connect all your machines and networks and cables to the cloud and you will be aaaaalright.

  6. Hire someone who knows what they're doing by Sir_Sri · · Score: 5, Insightful

    Seriously. If you're learning networking from scratch you are not prepared to be in charge of a network with 100 computers. If you screw it up, you could mess things up for days. Start at the bottom and work your way up, or hire someone who knows wtf they're doing, you could contract in someone (there are always going to be consultants who do network around). Bring one of them in, have them go over some of it with you.

    The 'go read a CCNA book' advice isn't far off. But if you're already in charge CCNA is at least one step down from where you want to be.

    I reiterate: use your money to hire someone else. Either hire them to actually do the job and become network manager, or hire a consultant in (be prepared to see this person regularly for a year or so) to come in and help you get things going. Make sure you have people on staff who actually know what they're doing, and can tell you when you're being an idiot.

    Going from programming to network administrator may as well be going to predator drone pilot. You use computers and networks, and familiarity with computer skills is great, but they are very, if not completely different skills. And while you're at it you need to learn to be a manager, because most programmers don't learn about budgets, HR practices, setting security and devices on the network policy and all that but from the sounds of it you have to decide how to spend money.

  7. This is how I read it... by canadiangoose · · Score: 5, Insightful
    Dear Slashdot,

    I'd like to become an expert in a field in which I have no experience.

    It takes many years for most of the folks working in this field to gain the knowledge required to be effective, but I am very, very smart. So much smarter than most people, infact, that it shouldn't take me more than a month or two to get a firm gasp on things.

    There's just one small problem that is preventing me from teaching myself everything that I need to know to be able to do my job well. See, I'm not smart enough to know how to even begin to teach myself anything about this field. I'm sure if someone could just point me in the right direction, I'm quite sure that I'll be able to make sense of things.

    Also, which vendors provide "easy" buttons on their gear?

    Please advise.

    MrGenius

    --
    Never eat more than you can lift -- Miss Piggy
  8. Here's what to do. by Stargoat · · Score: 5, Interesting

    I'm buried so far down here, I'm sure no one will read this. But here is what you need to do.

    1. Before you begin, attend a Cisco / Global Knowledge CCNA bootcamp. You may not leave able to program routers like a master, but you'll learn how networks work.

    2. Visit every PC, Server, Router, Switch. Put eyes on everything. Create a master spreadsheet. Document model numbers, IP addresses. Create Visio documentation of the way your network is set up. Document everything. You need a good deal of cabinets to store it all.

    3. Decide what is the most deficient part of the network, fix it with the simplest solution. If you're using hubs, buy switches. If the routers need to be rebooted constantly, buy new routers. Above all, keep it simple. If possible, stay away from V-Lans, encryption software, Linux, or anything else complicated. Do this every year.

    4. Buy one third of the total number of PCs of the network plus ten percent. Buy only one model. Create a central image with Acronis and modify that image as necessary. Deploy these models. Repeat for the next three years.

    5. Outsource security. That way, when it breaks you can blame someone. At the same time, make sure you can monitor security to prevent breakage.

    6. If possible, outsource your main application. You don't want to support the product that everyone in the institution depends on. You need to keep the network up, not software.

    7. At the end of year one, bring in a network assessment. Tell the assessor what he needs to find before he arrives. Use that the next year to justify your new purchases.

    8. Make sure you stay friends with the president / CEO. When it is necessary to reorganize the server, etc, it will be necessary to have his good will.

    9. Be prepared to work like a sunuvabitch for two years. Take your spouse / GF out when you can.

    10. Don't let them make you program again. You're a network admin. You cannot support your old programming team.

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    Hoist Number One and Number Six.