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The /20 minimum allocation size is for ISPs. Orgs that are multihomed to two different ASs can get a /24 from arin.

Regarding firewalls, I don't know enough about your setup to make any firm recommendations, but two products I would suggest looking at are pfsense (a monowall fork) and Vyatta. pfsense or a Cisco ASA is typically what I would recommend for an office NAT deployment. Both support multiple WAN...

If you can get a user's credentials for one system (say an older or less well protected system or even from a backup file), it's likely the credentials will be the same on a more protected system (or the live system in the case of a backup) within the same enterprise. So if you can get the...

Looks like if you plan on using sata, the LSI SAS3041E (same chipset as previous card) is available under $50 and has 4 SATA connectors. The controller supports SAS, but you'll need a SATA to SAS adapter for each SAS drive (if you ever need to use one).

FYI, I needed a non-RAID SAS controller to be able to test and manage individual SAS drives. I ended up buying an HP branded LSI SAS card for ~ $60 on ebay. Ebay availability of these cards is close to that of the Dell PERC branded LSI RAID cards. The card I bought is an LSI SAS3442E model -...

+1 for dban as well.

I agree that the drill is fast, but I keep breaking bits. I've used hitachi (cheap) and dewalt (decent) bits. Do you experience the same problem? recommendations?

I have a similar model HP RR used with an eSATA enclosure. I am using Redhat 5/6 with it and while the card description and manual listed Redhat/Linux as a supported OS, drivers didn't come natively.... and the drivers on the HP website actually only supported specific kernel versions ...that...

For most purposes of general consumption - e.g. you are using or looking at stuff other people made and not making your own [spreadsheets, movies, documents, etc] the iDevices do a really good job. Now, content creation is a whole other matter. A full computer (PC/MacOS/Linux) is still...

I put a cheap Rosewill branded SI sata controller - something like this - in a PC a few years ago that didn't have SATA. Been working ever since in 24/7 video recording. They make RAID and non-RAID versions for about the same price ~$20. I would go PCIe if you can, but PCI should still perform...

Perhaps I should also put that last statement in perspective. I still view using an iOS device as one of the most secure ways the average consumer can use a personal computer. In theory (according to Apple's brief), an iOS based device should be highly secure and (nearly) incapable of security...

and just to bring this further off topic... http://www.h-online.com/open/news/item/Simple-authentication-bypass-for-MySQL-root-revealed-1614990.html On a more topical note, Apple released an IOS security architecture brief this month. Reading through it, it all sounds good in concept until you...

Unfortunately, there's still a lot of systems that store passwords in plaintext (and possibly some arguments for it). If your not going to store passwords in plain though, you really should do it right. The problem is that every website (or software package) developes its own way to store and...

Not to mention a leaked password database - http://www.h-online.com/security/news/item/LinkedIn-passwords-in-circulation-Update-1612022.html

The last update, as well as this one, seem to be "akamaized". The 5.0 update was horrid, after an hour I gave up and tried the next day. Today, the 5.1 update is going along between 5 and 10Mbps (about half what it could be going on my connection, but I'm not complaining). Akamai puts their...

Wow, gone for a couple days and the whole place gets a renovation. Looks neat, will take a bit of getting used to.

sar, iostat, dstat, and htop are invaluable linux IO monitoring tools. "iosat -x 1" will give you a running display of the activity you requested on a block device level, iostat -x by itself will give you stats since boot (useful for before/after comparison). htop should be able to give you some...

btw, call quality was indistinguishable from the vonage phone it replaced. However, since we were testing using a cell phone in the next room, I could discern a noticeable delay. Not sure if this was due to the cell phone or the magicjack+. However, when both phones were not within earshot of...

I just plugged in a magicjack+ on thurs? Fri? First call had one-way audio, but every call thereafter worked just fine (in or out). It's driving a phone about 100ft of copper away, I was kind of impressed it worked. The device is standalone, though a PC was needed to register it and setup. The...

I recently bought a couple energizer led based flash lights at Walmart to stick on the cars. They take 2 AA's and are much more rugged than I expected (good seals, metal housing). Works 100% of the time, recently took one hunting and felt it was more than suited for the job. Energizer...

Don't the older versions of photoshop also have limited SMP support? I seem to recall that some functions (like opening and saving) in PS were single threaded up until some of the most recent versions (CS4?).

Hard drive prices may be up (and availability down) due to floods in Thailand.

I haven't worked with any of the "desktop" (Cisco term) models of switches, routers, etc. Normally I'm working with racked gear, which usually start at ~ $1k, although might be found used for $200. For something in the $200 price range I'm much more interested in the Ubiquiti gear or similar...

vbox does allow additional "vbox networks" that are completely isolated from each other (under File->pref->network). The VMs can then be assigned to any of these pre-defined networks and provided either no external access or NAT'd external access (or fully bridged access outside of these...

Just to confirm... I just setup 5 i5-2400 Dell's with the integrated CPU video. I used a SIIG HDMI to DVI cable to connect to a 1920x1080 LCD. No issues. I think it was this one. The SIIG cable was of very high quality. Looks like Amazon sells their own branded cable for about half the cost though.

Matrox gfx chipsets (g200ew) are used in Dell servers. They work... nothing fancy. Back in the day, Matrox was known for top notch image 2D/non-accelerated quality (image crispness). This came from the use of decent quality, accurately/realistically/reasonably spec'd DACs in the VGA output...

Why oh why is there even overscan on digital devices? whoever carried this bastard technology over to digital sources needs to be shot.

I use it internally with good success... along with USB and floppy disabler. You can also disable these things in device manager, or disable the removable storage service.

I work on Cisco equipment all day long. It's very reliable. I've had one switch flake out after 5+ years of service, but other than that I've administered dozens of switches/routers that probably had ~ 10+ years of use on the original chassis. The GUI on lines over a couple years old is...

One major difference that bit us a while back is that we bought a server with 24GB of memory. Turns out the software that was supposed to work with MS server2008 really wasn't tested with it and didn't actually work. Which meant we had to go back to server2003. Server2003R2 Standard only...

I've had to call activation after reinstalling XP on a couple of Dell's using a non dell CD and trying to use the OEM key on the case sticker. MS never asked me anything more than 'is this copy of XP used on any other PCs' or 'is this copy of XP already installed'. I answer No, and they give me...

I haven't had any problems with the WRT-54GL and G's that run linux. Not that they don't die, but I think that the 2 or 3 models they released using this configuration are probably more reliable than the other consumer 'toss and replace' class of routers. I've had to toss 3 Netgears and 1...

Is there some event happening in 18 months or is this just the expected life span of your average router? The only alternatives I see are sicking with G or bending over to get an airport extreme.

I think the belkin is the N450 model - http://www.belkin.com/IWCatProductPage.process?Product_Id=543386

Do I really need a $140 router? On the shelf below the Linksys sits a Belkin with similar features - 802.11n, gigabit, 3x3 MIMO, single band though.... ~$65 I've had great coverage with my WRT54G, but would like to be able to take advantage of the speedier n chips in my laptop and phone -...

So how do they run if mains are down and the batteries have run out of juice? We have not found UPS software to be a reliable indicator of UPS health/functionality. In order to effectively test the units, we run the self test from the unit itself once per year and replace batteries on any units...

The only cache settings on the LSI cards are the ones you've already mentioned: write-through vs write back and cached io vs direct io. The majority of the card's cache is used for write operations, and read operations would largely come from your (Open-E) system RAM (if applicable) or from...

The push for 4k sectors was to minimize ECC and addressing overhead used on the disk media itself. The new format can result in 11% more usable capacity using the same platters. Supposedly, the ECC algorithms can now better detect/correct errors, which is important as disk errors increase due to...

Found 2 more Micropolis drives in storage... these are full height 68 pin SCSI. Most of the other drives are 50 pin SCSI with some IDE and an 80 pin hot swap SCSI quantum. Those Barraccudas with the PCB on the top and bottom of the drive (pictured earlier) and the IBM are full height as well -...

Hey, the LCT 15 was still on top! I think I've seen some WD experts and an LCT 20 around as well. Unfortunately, I don't have any more micropolis or quantum bigfoot drives that I know of.

couple more...

more drives...

I just pulled a bunch of old drives out of the dungeon if you're interested in any of these... Also, I think I just through away a Quantum Fireball LCT 15... we've had a bunch around the office if I remember correctly, I might be able to scrounge one or two up. I also have a completely...

And full of moisture, dust, bugs, radon, something better?

I recently bought a similar, non-raid enclosure from sans-digital. Works fine. I assume the bundled controller card was chosen as it specifically supported SATA expansion, something that a lot of SATA cards do not support. If you don't need the the expansion capability (which I don't think is...

There used to be sensible reasons for choosing one codec over another. Legitimate concerns existed regarding precious storage capacity, limited network bandwidth, CPU power, etc. However, all these technical hurdles have been overcome. Now the quibble over codec comes down to principle and...

"The nice thing about standards is that there are so many of them to choose from..." pretty much sums up the problem. MPEG2 is a fine format, it's used in DVDs and (older) Blu-Rays. The quality compression ratio may not be as good as some of the newer formats, but for high bitrate use in a LAN...

Never used RDP for file sharing, but assuming it is still using TCP like the video and audio portions of the protocol I don't see why the application needs to perform CRC checking when that's already done at the Ethernet and TCP layers per packet. Perhaps faulty HDD/RAM/CPU injecting corruption...

This is the situation where I can absolutely justify virtualization. There's potential wins all over the place with little or no downside. ... We're already buying 16/24 thread systems for our non-virtualized systems ;- ) The situation you mentioned above with lightly loaded boxes is where I...

That's been the plan. Unfortunately, I think this is one area where virtualization undeservedly gets a bad wrap. People often consider CPU speed, RAM capacity, and HDD capacity, but tend to overlook RAM and HDD speed. People who deal with mail know that disk IO is everything, and are fully aware...