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Tech Tamer

Making Technology, Purr

    What services are running on my Linux box?

    July 5, 2012October 13, 2026 - g2 - Comment is Closed

    The answer is technically /bin/ps -ef. But what you really want is /bin/netstat -plunt.

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    How to get ALL the FC info you need (and more!)

    July 2, 2012October 13, 2026 - g2 - Comment is Closed

    Here’s the cheet sheet to using native FC tools and drivers (tested on rhel5):

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    How to Get VMware Cluster To Use Different CPU Types

    June 29, 2012October 13, 2026 - g2 - Comment is Closed

    In case you didn’t think it through (like I didn’t), you can’t vMotion guests from one type of CPU to another. And when I say type, I don’t just mean AMD to Intel, I mean different models and generations. For example, you can’t go from Family 6, Model 46 (2Eh) = Nehalem-EX to Family 6, […]

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    How do you scan for new luns on linux?

    June 19, 2012October 13, 2026 - g2 - Comment is Closed

    I always forget this one. How exactly do you find those new fibre channel luns you carved and presented to the host? The zoning is there, but you need to have the OS look for it.

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    Power Notes

    June 14, 2012October 13, 2026 - g2 - Comment is Closed

    I am have spent a LOT of time in data centers, but that doesn’t mean I always remember all the details.

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    Notes on RHEL Server as a desktop

    June 11, 2012October 13, 2026 - g2 - Comment is Closed

    I’ve been using RHEL5 as my desktop since 9/2009. I thought it was best to work on the same OS as the servers. Ultimately, I think that was a bad idea and I will be switching to Fedora soon. Here’s my notes to remind me how to do things I rarely do.

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    Can’t Login to Exadata

    June 5, 2012October 13, 2026 - g2 - Comment is Closed

    I’ve had this come up a few times. Exadata is configured to require big passwords, that expire AND will lock you out after 5 failed login attempts… which happen often after password changes. What’s an admin to do?

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    George Robinson has been taming technology since early elementary school.  His first bitter taste of UNIX was Xenix 2.1.1.  George's youth was spent in building electronics and writing programs to post on the local BBS.  In high school, he became involved in student radio and was hired by the top station in the market.  George double majored in Psychology and Music Theory earning a B.S. at Rocky Mountain College in Billings, Montana.  After college, he rode the internet wave into Systems Administration.  He has succeeded at Systems Architecture, Engineering & Automation with roles in numerous startups and enterprises like Verizon Wireless, Yahoo, Nestlé & Fico. George currently resides in the pacific north west, in a mysterious, undisclosed location somewhere outside of Tacoma.

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