NFS on Server 2008 == annoying

by Jesse 29. June 2009 08:03

Got a linux box that has a nfs share - say its at 192.168.1.10 and the share under /etc/exports is

/some_nfs_share 192.168.1.0/24(rw,no_root_squash)

No problem right?  On another linux box within the 192 subnet, the following works quite nicely.  Assume folders exist.

mount.nfs -rw 192.168.1.10:/some_nfs_share /myfiles

No sweat, mounts right up and I get read-write so I know I did it correctly and ready for the Win2k8.  Hop over, install the unix file share stuff (NFS, SMB) and do this ...

mount -o fileaccess=777 nolock casesensitive=yes -u:root -p:* \\192.168.1.10\some_nfs_share  *

I can read files ...sort of and I can't write anything.  In the windows application logs, I get Event ID: 16397, Source: NfsClnt with this crap

Windows(R) Lightweight Directory Access Protocol (LDAP) failed a request to connect to Active Directory Domain Services(R) for Windows user <Domain\MyUserAccount>.

Without the corresponding UNIX identity of the Windows user, the user cannot access Network File System (NFS) shared resources.

Verify that the Windows user is in Active Directory Domain Services and has access permissions

The hell?  WHY are you trying to authenticate to LDAP?  I just gave you a user/pass, why would I need more than that?  Ok, FINE I bust out a local account, take that.  Nope, exactly same error.  Authen fail.  I guess I'll have to go uber-lame and go ftp.  I hate ftp.

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Customer Service - Nexsan

by Jesse 25. June 2009 06:34

Back in January, I was tossed into a fire regarding an environment from your absolute worst nightmare.  Yes, that bad.  It's been called a "technology showcase", "how to do everything wrong", "what happens when you have no plan" and so on -- a real top notch problem suited for those who are stupid enough given the opportunity to fix something so terrible, I didn't really know where to start. More...

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Reverse phishing?

by Jesse 12. June 2009 02:35

I'm convinced there's a new type of phishing expedition going on in an attempt to hack search engine results.  Why?  Comments on my blog that don't add up.  For one, the magic key words the person leaves as their name.  I've dropped this as an image because I want none of those getting picked up by a search engine but its pretty clear they want an email. More...

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Security

Rolling off the Net Admin - 12 lessons learned

by Jesse 29. May 2009 03:43

My past rash of posts have mostly focused on hardware, servers, linux and other related devices and I'm glad to say, I'm heading back into development.  Granted, its VB but its development.  So what have I learned in my nearly 6 month absence?  Quite a few things, some of which will change my approach on a variety of things. More...

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Linux

Return to Area 51 ...or telnet into a cisco

by Jesse 21. May 2009 08:21

Having a wide range of experience like I have, you often find yourself back in a land once long forgotten -- today was one of those days.  I returned to very low level network land to which I haven't been in over 8 years.  We've been having a problem with a port on a switch recently, freaking out and disabling itself.  Not just any switch, a cisco 3600 series.  I hold cisco's in high regard, and layer 3 switches are pretty high on the uber w00t-tastic scale, so just seeing this error was a new experience all in and of itself.More...

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Security - part 4 of X - Policy.

by Jesse 29. April 2009 23:15

Ah, policy.  The magic document that says how things should be done.  I love them the most when they haven't been reviewed in 6 months.  Why?  The world wasn't the same 6 months ago: New laws, new trends, ideas, methods, products, people (remember them?), all of them are changing in 6 months.  Why am I picking on 6 months?  I just made it up - if your shop is more dynamic, lean and fast paced, it might even be shorter.  Most major companies don't change them for years, good companies review them often.  Notice I didn't say change? More...

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Production Outage Planning - 10 (or so) points

by Jesse 27. March 2009 02:51

I've recently went through a number of production planned outages of a group of systems we've recently taken over. I like these outages because of that magical word planned. This isn't planned like you put it in your planner and write down a time, no this is a concrete list with no surprises, no unclear roles, everything is laid out and everyone knows what they are doing. This doesn't seem hard and it really isn't, just takes some attention. Being my 2nd or 3rd one on this current project and I'm noticing some good stuff and possible fail routes that can easily be avoided. More...

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Bringing HBA SAN and LUNs together with .Net

by Jesse 11. March 2009 05:33

After writing my last post on tracing the two items together, the magical lazy comment came about to -- there has to be a better way.  Of course there is, no one in their right mind would even THINK to do this by hand time and time again.  So I went hunting for a way to pull this info into something useful, like an application of some kind.  Sure enough, there is an API out there for SSH for .net called SharpSSH and it works, with a bit of thinking. More...

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Tracing volume groups with an HBA in linux

by Jesse 9. March 2009 09:32

I've been off in Linux land for a while and I've ran into HBAs, fiber channels, SANs and volume groups.  Honestly, they're a billion times more complex than they EVER need to be but if you are unlucky enough to run across such things, here's how I did it, do it and will continue to find it was the professor in the library with the candlestick. More...

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Problems you can't test for

by Jesse 2. March 2009 21:23

Right now I'm waiting on a QA person to verify the code push that just happened, which seems like no big deal ...until I mention that half the team was unable to connect in for most of the time  I've come to find out that things happen that you NEVER see coming and I'm talking about really odd ball things you can NEVER plan for.  This is a perfect example. More...

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About the author

Like the description says, at my core, I'm a scientist and engineer.  I came from humble beginnings on a 486DX2 Packard Hell playing doom2 on IPX to in a small time retail shop and got into hardware (ISO layers FTW!) and it was all downhill from there.  I'm infinitely curious about almost everything and always wanting to know.

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