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‘howto’ Archives

HOWTO: Wire your house with ethernet cable

HOWTO: Wire your house with ethernet cable

You've ripped a movie on your laptop, and now want it on that fancy new home theater PC next to your TV. If you've got the time, wiring your house with Cat-5e cable could make transfer times a distant memory. Instrucables user Rogue Agent gets into the nuts, bolts, studs, and boxes needed to wire a house with omni-present cable in a fairly [...]

HOWTO: Build a home server in a whisky bottle

HOWTO: Build a home server in a whisky bottle

Jason Marton was looking for a quieter, hidden home server. So, naturally, he built one into a whisky bottle that blends in with his existing dry bar. Over at hack weblog MetkuMods, Jason Marton explains how he created a personal PC or home server inside of a discarded and (obviously) empty whisky bottle. Although it isn't the first thing one [...]

HOWTO: Host your very own Windows 7 torrenting party

Celebrate the launch of Windows 7 by illegally downloading your very own copy!

HOWTO: Crack a Master Combination Padlock

HOWTO: Crack a Master Combination Padlock

Designer Mark Campos has turned the tried-and-true "Masterlock hack" instructions into an easier-to-follow visual guide. The instructions are pretty self-explanatory, and while there's no secret sauce that'll instantly crack the combination for you without a little bit of tedious trial and error, this method will crack that [...]

HOWTO: Turn a Sphere Inside Out

HOWTO: Wake your girlfriend up

HOWTO: Reproduce a key from a distant, angled photo

HOWTO: Reproduce a key from a distant, angled photo

Sneakey is a project from Benjamin Laxton, Kai Wang, and Stefan Savage at the UCSD vision lab that has shown that it is possible to duplicate keys from photos taken at a distance and/or an angle. They've published a paper and are offering to release their code if there is "sufficient interest." The access control provided by a physical lock is [...]

HOWTO: Create antique style lighting

HOWTO: Create antique style lighting

If you've ever been to a bar or restaurant with antique style lighting, you know how it can really give a space an interesting look. Back in March, GQ Magazine had a quick one-pager about these Edison-era lights with some tips on how to build them yourself. It is really easy. Here's a quick overview of how to build a simple, vintage style [...]

HOWTO: Move or migrate user accounts from old Linux server to a new Linux server

HOWTO: Move or migrate user accounts from old Linux server to a new Linux server

Question: How do I Move or migrate user accounts to from old Linux server a new Cent OS Linux server including mails? This new system a fresh installation. Answer: You can migrate users from old Linux server to new Linux sever with standard commands such as tar, awk, scp and others. This is also useful if you are using old Linux distribution [...]

HOWTO: Avoid cognitive blind-spots, save money, and be happy

HOWTO: Avoid cognitive blind-spots, save money, and be happy

Inspired by Dan Ariely's book Predictably Irrational: The Hidden Forces That Shape Our Lives, Jeff Atwood used its list of cognitive blind-spots endemic to our species and produced a list of nine ways to avoid making decisions that will make you unhappy later. 5. Design for Procrastination. Ariely conducted an experiment on his class. Students [...]

How to Recover Your Firefox Master Password

How to Recover Your Firefox Master Password

If you're using Firefox's built-in password management, you should also be using its master password feature to protect your saved passwords from prying eyes. But what happens if you lose your master password? Since the master password prevents anyone from accessing your saved passwords, you're out of luck if you lose your master [...]

HOWTO: Use physics to beat “how many candies in the jar?”

Here's an Australian physics teacher using principles of molecular physics (the "packing fraction") to "shark" games where you are asked to guess the number of M&Ms (or, presumably, other ellipsoid candy) in a jar.

HOWTO: Bake dashboard cookies while you’re working

HOWTO: Bake dashboard cookies while you’re working

Beat the heat this summer by setting a tray of raw cookies on your dashboard to bake in the stifling heat inside your car while you work -- you get a tray of warm, fresh-baked cookies to eat on the return commute! It took about 2 1/2 hours for the cookies to bake completely. I ended up opening the car door shortly before the end of the baking [...]

HOWTO: Incorporate escrow of your keys and passwords into your estate plan

HOWTO: Incorporate escrow of your keys and passwords into your estate plan

The latest Guardian column, "When I'm dead, how will my loved ones break my password?" describes the process the writer's wife and he went through when they drew up their wills and realized that their encrypted hard-drives and their network passwords would go with them if they died or were incapacitated, and how important it was for them to have a [...]

HOWTO: Enable ReiserFS, XFS, & JFS on RedHat Enterprise Linux 5

HOWTO: Enable ReiserFS, XFS, & JFS on RedHat Enterprise Linux 5

Despite the Linux kernel having support for so many file systems, not all of them are enabled in RedHat Enterprise Linux 5 by default. This might be well as some of them might not yet classify as “enterprise grade” in the eyes of RedHat, who knows... Luckily, support for missing file systems such as ReiserFS, XFS and JFS can be added easily as [...]

HOWTO: Recovering Deleted Files With lsof

One of the more neat things you can do with the versatile utility lsof is use it to recover a file you've just accidentally deleted. A file in Linux is a pointer to an inode, which contains the file data (permissions, owner and where its actual content lives on the disk). Deleting the file removes the link, but not the inode itself – if [...]

HOWTO: Receive an email when someone logs in as root

Login as root. (If you disabled root SSH logins, login with your other username, and su to root) Type: nano .bash_profile At the end of the file put this: echo 'ALERT - Root Shell Access on:' `date` `who` | mail -s "Alert: Root Access from `who | awk '{print $6}'`" offsite-email-address@gmail.com Make sure that the email address you use [...]

HOWTO: Recover the GRUB menu on a dual boot system

HOWTO: Recover the GRUB menu on a dual boot system

Planning ahead to multi-boot Windows and Linux distributions is the way to do it, but what if you end up erasing your boot menu and losing access to Linux? The FOSSwire blog has you covered. The open-source fans at FOSSwire detail the use of an Ubuntu live CD to get onto a system that Windows or another boot-hogging system has locked up and get [...]

HOWTO: Display the Date a Web Page Was Published in Google Search Results

HOWTO: Display the Date a Web Page Was Published in Google Search Results

You're practicing a little Google-fu to figure something out, and the top few results look like they're exactly what you're looking for. The problem: When you get to the page, they're completely outdated. To make sure you know when a page was published before you visit the site, just add the following to the end of the URL of your search [...]

HOWTO: Build a Linux cluster

HOWTO: Build a Linux cluster

In theory, you can use any old PC. The minimum requirement is that it must be able to run Linux; so that narrows the choice down to almost any PC from the last 10 years. But in reality, the cluster works best if the machines that you’re linking together are relatively close in specification, especially when you start to take running costs into [...]

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