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    Inactive Memory vs. Free Memory

    Interesting. Just out of curiosity, what does UFS have to do with it?
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    Inactive Memory vs. Free Memory

    We have a couple of boxes running; top perpetually looks like this: last pid: 66910; load averages: 0.02, 0.11, 0.07 up 17+13:35:30 10:21:28 80 processes: 2 running, 78 sleeping CPU: 1.6% user, 0.0% nice, 3.1% system, 3.5% interrupt, 91.8% idle Mem: 62M Active, 2813M Inact, 223M...
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    Your Thoughts: Securing Custom Daemons

    We are writing a daemon that automatically adds and configures user accounts on our FBSD box. The idea is: 1) User signs up on web page; user signup is stored in DB 2) We will have a daemon running on our box that takes those signups and automatically runs adduser, makes a few default folders...
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    What causes a box to lockup, and then spontaneously reboot itself 50 min later?

    No news is that I haven't figured out what happened yet. I'm suspecting a heat related issue; this box is at the top of the rack. But not really sure what is failing... I mean, what takes 45 minutes to cool off?
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    What causes a box to lockup, and then spontaneously reboot itself 50 min later?

    That's a great idea. I'll give it a go. I'm virtually certain the box really was locked up, because: - it didn't respond to pings on either the public or private network (different NICs) - there isn't a SINGLE message in any log that I could find between those time periods. Its a pretty busy...
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    What causes a box to lockup, and then spontaneously reboot itself 50 min later?

    Hmm. How long does a coredump take? It only has 4GB of memory; that doesn't take 45 min does it? It wasn't fsck, because it didn't start that until after it was booted (I have soft updates on; delays fsck for a background check)
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    What causes a box to lockup, and then spontaneously reboot itself 50 min later?

    So this was a weird one. Got a page at 18:31 today that abc.xyz.com was down. FreeBSD 6.4-STABLE box. Jumped in the car and headed down to the datacenter, about 40 mins away. As I pulled into the parking lot, I get another page: abc.xyz.com is UP! Huh?? Go inside, ask the datacenter techs if...
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    SSH: Limit root access to a certain port

    Wondering if sshd has any kind of virtualhost like functionality. What I'd like to do is PermitRootLogin on some non-standard port, but then disallow it on 22 (while still allowing normal users to login on 22) Looked at the docs, doesn't look like this is possible without running two copies...
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    Deploying Upgrades?

    Not only do I have one, but I have three. :-) Well, one dev server and two testing servers (one for each model of server we have). Thx to everybody for the help. I ended up doing the portupgrade with the -p option this time; it saved a LOT of time. For the next round, I think I'll look into...
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    Deploying Upgrades?

    Thanks guys. Both excellent ideas. So no tools that help manage deployments of OS updates to lots of boxes? How go Google et. al. do it? Custom tools I guess?
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    Deploying Upgrades?

    Guys- I manage about six FreeBSD 6.3 servers (with more on the way). They're all pretty much the same... with the exception of server specific config into like rc.conf and httpd.conf, they all run the same software, including a custom kernel. It's time to upgrade to FBSD 6.4 (and later...
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