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docrice wrote: » One of my earlier jobs was supporting an environment which was primarily Mac-based (this is prior to OS X). If your Mac experience involves command-line work, then transitioning to Linux should be somewhat more straight-forward than getting used to Windows unless you're already familiar with Windows as well. Most Linux environments that I've seen generally don't install X so you should be able to configure and troubleshoot things strictly at the CLI. However, my background might be reverse of yours as I started my computing experience in DOS (then to Windows 3.x, etc.). In order for you to migrate to working in a Windows environment in a business, you need to understand the conventions of how a domain model works under Active Directory. Fundamentally it's similar to how NT 4.0 worked except you have much more complexity and feature set built-in. At a basic level for supporting Windows as a client itself, you need to know how permissions, user profiles, local policies, running services, some basic CLI, etc., as well as obviously getting accustomed to the GUI. In a client-server environment, you'll need to recognize authentication events such as Kerberos, LDAP dependencies, SMB (which OS X supports, but generally people don't think about it aside from, "Oh, that's how you access files, printers, and resources on remote hosts."), remote procedure call (DCE-RPC / MS-RPC), etc.. In my experience most folks at the desktop support level aren't aware of these underlying transactions, but having been there and now looking back I think it would've benefited me greatly if I had known about those things a bit more in-depth as my troubleshooting turnaround would've been that much better. Certs-wise, start with Network+ and look at the Microsoft client OS certs (like 70-680). If you really want to dive deep and get a head start, also peek through Windows Internals by Mark Russinovich. It's overkill at the beginning, but it'll give you a leg up on your peers if you understand some of the basics behind it. I can't begin to tell you how many Microsoft admins still don't really understand how a security token is handled and why UAC functions the way it does.
First, get certifications in either Linux, Windows, or Cisco. CCNA, Windows 7, and Linux+ are probably good starting goals. Pick a direction you think interests you more and head there. If you're really not sure, focus on the more vendor-neutral A+ and Net+ certifications.
Second, get real skills and experience with these systems. Pursuing the certifications will help a lot, but don't do it halfheartedly. If you go for CCENT or CCNA, get real routers and switches and lab on them. If you go for Microsoft or Linux certs, build VMs and do stuff with them. Use them for production purposes at home. Take DHCP and DNS off of your SOHO router appliance.
Realistically, your next position is probably going to be helpdesk. In some ways, that's almost a step down from what you do -- almost. If you're lucky, you can find more of a desktop support role, but a business-oriented (as opposed to consumer-oriented) helpdesk is what you're most likely to move to for the growth you seek.
wellnowwhat wrote: » I bought a Network+ book, a CCNA book, and the 70-680 Certification book. I'm currently working through the Network+ stuff and it seems fairly straightforward, so hopefully that's a good starting point..
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