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Seven Habits of Highly Effective Unix Admins

Chalex Re:Tmux (136 comments)

screen -x shares the screen just fine for me.

about 8 months ago

Who Is Liable When a Self-Driving Car Crashes?

Chalex Re:Safety (937 comments)

"And if *all* the cars on the road aren't autonomous, then the autonomous ones are mostly a traffic hazard with no clear liability."

There's something missing from your logic leap there. It's more like "And if *all* the cars on the road aren't autonomous, then the autonomous ones are still the cars most likely to react correctly to any hazardous situation."

about a year ago

Tesla Says Garage Fire Not Charger's Fault; Firemen Less Sure

Chalex clickbait headline (253 comments)

"garage fire started by improperly installed electrical outlet" just doesn't get you as many clicks.

The garage fire was Nov 15, the Tesla S did not sustain any damage. The damage was all on the wall socket side.

about a year ago

Six Electric Cars Can Power an Office Building

Chalex Re:Already being done. (296 comments)

Well, sure, but infrastructure is really expensive. Building your infrastructure to handle the peak loads and then to sit idle the rest of the time is less efficient than handling the peak load some other way. You're saying peak pricing is expensive because infrastructure is expensive.

about a year ago

Parrot Drives Robotic Buggy

Chalex primary use for print newspaper today (182 comments)

And here you see the primary use to which print newspapers are put today. All the dog owners and other pet owners use it to collect their pets' bowel movements.

about 2 years ago

Bas Lansdorp Answers Your Questions About Going to Mars

Chalex Re:Nice dodge (189 comments)

The Mars Trilogy by Kim Stanley Robinson addresses this issue a bit (along with all the other issues).

In those books, the colonists (numbering 100 for the initial batch) are split on whether "contamination" of Mars is acceptable or not. Eventually, a group splinters off, much like the staunch environmentalists we have in the US today.


more than 2 years ago

Linode Exploit Caused Theft of Thousands of Bitcoins

Chalex if you pay $10/mo, you can't really expect damages (450 comments)

Back when I worked for a web host company, we occasionally (rarely) had some issues where customers got screwed. In the worst case, your VPS is on a box where multiple disks die in a RAID array, and you don't have backups, and that's that.

We were customer-friendly, so we would refund the customer's hosting charges if something went terribly wrong. But if you're paying $19/month, you can't really expect us to refund you more than $19/mo when something goes wrong.

There's a rule of thumb in physical security; you should spend ~5% of the value of the thing to secure the thing. E.g. ~$1000 bicycle means ~$50 bicycle lock. If you're using a $19/mo service to hold $10k worth of value, you better be taking some other precautions. These guys were doing the equivalent of keeping $10k in cash in a $20 lockbox in a public place.

more than 2 years ago

iPad 3 Confirmed To Have 2048x1536 Screen Resolution

Chalex Re:4:3 comes back! (537 comments)

You're right, higher resolution (ppi) means that text can still be legible at a slightly smaller size. But that also means that the high ppi is a necessary but not sufficient requirement for the people that also want large font size, so they can have the same exact experience as reading a piece of paper.

more than 2 years ago

Ask Slashdot: Clusters On the Cheap?

Chalex buy one Opteron 6100-based box (264 comments)

You can get a SuperMicro reseller to sell you one workstation with 4 sockets of CPUs and a bunch of RAM. UK£ 4000 = 6 299.2 U.S. dollars

That buys you a box with 4 x Opteron 6134 (32 cores) and 128GB RAM (32 x 4GB sticks). And some hard disks.

more than 3 years ago

Would the Developing World Use E-Readers More Than Laptops?

Chalex Re:Why would anyone want to use a kindle? (155 comments)

You are confusing the hardware device with the Amazon service. Amazon has gone to great pains to make it super-easy to buy things from their bookstore directly on the device, and manage those purchases on your device through the Amazon website.

But the device itself is a regular e-reader, you can put files on it via USB and manage them via the filesystem or an app like Calibre. And Amazon does not manage books on the device except the ones that you buy through the Amazon service.

Most people who complain about the Kindle have never even used one.

So to address these complaints directly: 1. "sharing" a book is a feature of Amazon's DRMed service. It doesn't apply to regular e-books. 2. They promised they'd never delete a book from a person's account again again. And again, that only applies to DRMed books purchased through Amazon.

I tend to get my books from Project Gutenberg or manybooks.net and then manage them via USB with Calibre. You could load most of Project Gutenberg on a Kindle and send it to a place without network (but with electricity) and it would be much better than sending them trunkfuls of books.

more than 3 years ago

PlentyofFish Hacked, Founder Emails Hacker's Mom

Chalex Re:Aren't all Dating sites more or less hacked? (367 comments)

First, OKCupid is free. Second, what you're saying is that car manufacturers should sell us cars that break down after a year so that we're forced to buy new working cars? That's not how it works.

more than 3 years ago

Comic Sales Soar After Artist Engages 4chan Pirates

Chalex piracy is better than obscurity (305 comments)

As Cory Doctorow says "my biggest threat as an author isn't piracy, it's obscurity."

What better way to increase sales than making sure that everyone has heard of your work?

more than 4 years ago

The Gaping Holes In the UAE's Net Firewall

Chalex Re:Legal maneuvers (107 comments)

If people get married and only have sex with this one person, all sorts of problems that plague society and individual people simply go away.

[citation needed]

more than 4 years ago

iPhone 4's "Retina Display" Claims Challenged

Chalex This looks like a typical straw man argument. (476 comments)

Here's Apple's page about the new display: http://www.apple.com/iphone/features/retina-display.html

They say "the Retina display’s pixel density is so high, your eye is unable to distinguish individual pixels." I suppose we can assume that they imply "at the typical distance at which you hold your iPhone" because otherwise the claim would be nonsense. Because surely you can hold it close enough to distinguish the pixels. (Unless you really can't, I haven't seen the screen).

But in any case, it's more of a marketing claim than a technical spec. They do not literally mean "this screen has the same 'resolution' as your retina". Your retina doesn't even have pixels! They just mean "it makes web pages looks great!".

So this "president of DisplayMate Technolgies" [sic] is tilting at windmills here.

more than 4 years ago

The Economist Calls For "Open Source" Biology

Chalex Re:Good vs. Evil (80 comments)

"open source" (but you probably mean Free Software) is about making tools available. So a knife may be an apt analogy, a very useful tool that could be easily used for good or evil.

more than 4 years ago

Adding Some Spice To *nix Shell Scripts

Chalex layers of complication (411 comments)

I think you should e-mail that guy that wanted to manage his Windows desktops by running Windows images on top of Linux, using some virtualization technology, but also passing through the hardware capabilities of the video cards, so he could run multiple monitors.

I bet he'd have some great tips about how to spice up your shell scripts. He probably edits them in emacs (running inside an AJAX terminal inside his web browser, connected to a web server on the machine he's editing the file on).

more than 4 years ago

Demand For Unmanned Aircraft Outstripping Their Capabilities

Chalex I read that as "6.1 million dollars" (325 comments)

and I thought, "oh, that's not bad, that's ~10 FTEs and ~$5million of equipment, you can really accomplish something with that". And then I realized I was off by a factor of a _thousand_!!!

So that's 10 _thousand_ full time employees, and 5 _billion_ for equipment. Wow. What the hell are you doing that you need $6 billion dollars for 50 "combat air patrols"? Tracking every squirrel in Afghanistan's mountains?

more than 4 years ago


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