76
votes
7answers
22k views

How do I get rid of all caps ribbon titles in Office 2013?

Installed Office 2013 on Windows 8 today. It's great, except for one thing, the all caps ribbon titles are inconsistent with the title case titles everywhere else in Windows 8. Is there a registry ...
76
votes
6answers
9k views

How is the capacity of a harddisk faked?

I was reading about magical Chinese drives. How would this be done? The post talks about a 'looped mode' and comments suggest having a different controller to lie to the OS. I went and bought one of ...
75
votes
15answers
37k views

Can AVI files contain a virus?

I'm downloading an AVI file via a torrent, but my anti-virus detects something. Is it possible that the AVI file contains a virus? It is quite weird since the torrent has many positive reviews.
75
votes
9answers
18k views

How can I wipe a broken hard disk drive before sending it back to the manufacturer for maintenance?

The hard drive of my laptop died, the manufacturer wants me to send it so that they can investigate, but I'm concerned that the drive might contain sensitive information. When I say the drive is ...
75
votes
9answers
69k views

ssh tunnel via multiple hops

Tunneling data over ssh is pretty straight-forward: ssh -D9999 username@foreignhost.com sets up port 9999 on your localhost as a tunnel to foreignhost.com, but I have more specific need: I am ...
75
votes
3answers
31k views

What's the equivalent of Linux's updatedb command for the Mac?

If I want to use the locate command on a Linux machine, I usually run sudo updatedb first to update the database. I can run the locate command on OS X 10.5 but I can't find updatedb. What's the ...
75
votes
7answers
206k views

How can I read my hard drive's SMART status in Windows 7?

Is there a tool, application, gadget or similar which lets me read the S.M.A.R.T. state of my HDDs while using Windows 7? Ideally, it should be something that can monitor my HDD temperature ...
75
votes
4answers
167k views

How can I display the contents of an environment variable from the command prompt in Windows 7?

In Windows 7, when I start the Command prompt, is there any command to display the contents of an environment variable (such as the JAVA_HOME or PATH variables)? I have tried with echo $PATH, echo ...
75
votes
1answer
8k views

Windows 7 and Vista Activation FAQ: How do language, version, 64-bit or 32-bit, and source affect ability to install and transfer Windows licenses?

We get a lot of questions on Super User about Windows activation and licensing. This question is an attempt to answer the most common questions in one place with a canonical answer. When ...
74
votes
9answers
5k views

Why does RAM have to be volatile?

If computer RAM was to be non volatile like other persistent storages, then there would be no such thing as bootup time. Then why is it not feasible to have a non volatile ram module? Thank you.
74
votes
4answers
43k views

Way to avoid ssh connection timeout & freezing of terminal tab

When I connect via ssh terminal to certain servers, it timeouts and "freezes" the terminal (doesn't accept, doesn't disconnect, can't Ctrl-C to kill the ssh process or anything). This is in Ubuntu's ...
74
votes
7answers
64k views

Is it possible to install Windows 8 using Microsoft Virtual PC?

I'm trying to install Windows 8 on my pc via Microsoft Virtual PC. However I get this annoying, non-descriptive error: I'm looking to find out if Microsoft Virtual PC supports Windows 8, and if so ...
74
votes
4answers
63k views

VirtualBox shared clipboard?

Where is the configuration option for sharing clipboards (copy & paste) between the host OS and the guest OS?
74
votes
3answers
46k views

What Tiling Window Manager for Windows do you recommend? [closed]

What is the best tiling window manager for Windows? I'm looking for something like awesome. It would be nice if it removes the title bar and has "comfortable" shortcut keys (for me that's vi keys, ...
73
votes
10answers
170k views

How do I get an entire directory in sftp?

I'm just learning to use sftp, and I want to copy a directory from the remote computer to my local computer. If I try get [directory] it gives me this error: Cannot download non-regular file: ...
73
votes
6answers
97k views

How do I find out what version of Linux I'm running?

Is there a way to determine what version (distribution & kernel version, I suppose) of Linux is running (from the command-line), that works on any Linux system?
73
votes
2answers
94k views

How to remove an entry from Chrome's Remembered URLs from the url bar?

I've got a URL in Chrome "local.mysite.com" that autopopulates when I start typing "local.my" into the URL bar. Note that this URL DOES NOT EXIST in my browser history (at ...
73
votes
18answers
16k views

Can some software physically damage hardware?

I know a question similar to this one has been asked before however it was about installing a 32bit OS on a 64bit laptop. My question is more....damaging. I was wondering if there was a way of ...
73
votes
7answers
110k views

How do I compare binary files in Linux?

I need to compare two binary files and get the output in the form <fileoffset-hex> <file1-byte-hex> <file2-byte-hex> for every different byte. So if file1.bin is 00 90 00 11 in binary ...
73
votes
7answers
16k views

File extension for Markdown files?

Is there an official file extension for standalone Markdown files?
72
votes
22answers
4k views

How can I explain why DRM cannot work?

I am looking for the shortest comprehensive way to explain to people that are trying to use DRM as a technology to prevent users from using their data in some fashion deemed undesirable, why their ...
72
votes
16answers
10k views

Paranoid Parent: “WiFi safe for baby?” [closed]

I am most likely being an overprotective parent but since the birth of our newborn, my wife and I have been wondering about credible studies dealing with Wi-Fi and health concerns. I love my Wi-Fi, ...
72
votes
11answers
3k views

Can zipping a file break it?

I just asked someone to send me a zipped psd file. They declined, citing that zipping a file can break the fonts. I assumed zipping a file is perfectly reversible, hence why it is commonly used. I ...
72
votes
10answers
10k views

Are computers with more RAM potentially faster if not all memory is usually in use?

Let's say I have a computer with 16 GB of memory. If my computer is usually only using about 4 GB and never reaches 8 GB, is it any faster than a computer with only 8 GB of (the same type of) memory? ...
72
votes
7answers
28k views

Running upstart jobs as unprivileged users

What's the canonical way to have an upstart job change its userid and run the script as an unprivileged user? Obviously one can use su or sudo, but this seems hacky (and can generate needless log ...
72
votes
7answers
13k views

How can I take browser screenshots at a higher resolution than my browser supports?

I need to take a screenshot of a website as it would appear on a very high resolution monitor... say 4000x3000 pixels. My laptop's screen has a native resolution of 1400x768. Basically, I need to ...
72
votes
4answers
22k views

Is there a tool that can determine the file type from containing data?

I sometimes get files from my clients that have the wrong file extension. For example, the name is image.jpg but the file is actually a TIFF image. In many cases I can clarify it by opening the file ...
72
votes
4answers
22k views

Restore tmux session after reboot

Is there any way to save a tmux session? In other words, if I reboot the computer, will I always lose the sessions?
71
votes
12answers
142k views

How to move windows that open up offscreen?

I have a dual monitor setup, and I recently played around with the positioning settings, and some of my single window applications do the favour of preserving where they were last closed, and opening ...
71
votes
4answers
4k views

Why does performance of a regular hard drive decrease over the duration of a benchmark while SSD doesn't?

I use HD Tune to measure performance of the hard drive. The tests typically take 2-3 minutes and the transfer rate of a regular hard drive decreases dramatically as the test comes to a close. ...
71
votes
11answers
94k views

How can I send a Ctrl+Alt+Delete through Remote Desktop in Windows 8?

I need to send a CtrlAltDelete to a remote machine through Remote Desktop. The CtrlAltDelete is being intercepted by Windows 8, regardless of whether the remote desktop has focus or is in full screen. ...
71
votes
5answers
114k views

How to recursively delete directory from command line in windows?

Is there a windows equivalent of sudo rm -r [directory-name]?
71
votes
16answers
57k views

How to keep iTunes libraries in sync?

I have a couple of PCs and a Mac that I have my music libraries on them. Occasionally, I add files, edit artworks and ID3 tags on one of them. I want to keep them synchronized on all of my computer. ...
70
votes
6answers
175k views

How can I give write-access of a folder to all users in linux?

I installed apache2 on Ubuntu just now, and noticed that the /var/www folder is protected. I can just sudo everything but I would rather just give it write access. How can I do this? I tried sudo ...
70
votes
5answers
10k views

Why do SSDs have weird sizes?

Why do SSDs have sizes like 240 GB or 120 GB rather than the normal 256 GB or 512 GB? Those numbers make much more sense than 240 or 120.
70
votes
3answers
9k views

I washed my USB drive. Any long-term risks?

I accidentally left a USB flash drive in my clothes, which was then washed with my laundry. This was a colored load, hot water. The drive survived just fine and was very clean. All data was still ...
69
votes
9answers
11k views

Can you grab any IP address on the Internet?

On a personal network (LAN) one can simply grab an IP address. If you choose the same IP address as an existing client, you get problems. There are companies like IANA and ICANN that are in charge of ...
69
votes
8answers
6k views

How can a computer/OS tell what kind of RAM is in the machine?

How can Mac OS X tell what kind of RAM is in the machine? For example I was working on one that had DDR3 RAM @ 1600MHz and I thought it wasn't possible to know the RAM without physically opening the ...
69
votes
10answers
7k views

How to destroy a CD/DVD rom safely?

I have old CDs/DVDs which have some backups, these backups have some work and personal files. I always had problems when I needed to physically destroy them to make sure no one will reuse them. ...
69
votes
23answers
5k views

Why does Microsoft Windows' performance appear to degrade over time?

Windows XP/2003 and earlier (can't attest to Windows Vista, but I suspect it's the same) all appear to become more sluggish over time as applications are installed and uninstalled. This is not a ...
68
votes
14answers
7k views

Why arrow keys are not recommended in Vim

"Never use arrow keys in Vim!" I heard this from a random speaker, but didn't have the chance to ask him why. Also, if you don't use the arrow keys, how can you move the cursor in the Insert ...
68
votes
5answers
948k views

How do I locate the MAC address of my computer?

I am unable to locate the MAC address in a new computer with Windows 7. I've tried ipconfig /all in the console to which I got no items match your search. I also tried getmac. A screen flashed very ...
68
votes
11answers
40k views

How to reliably keep an SSH tunnel open?

I use an SSH tunnel from work to go around various idotic firewalls (it's ok with my boss :)). The problem is, after a while the ssh connection usually hangs, and the tunnel is broken. If I could at ...
68
votes
5answers
30k views

Aptitude vs. apt-get: Which is the recommended (aka the “right”) tool to use?

Some time ago I read that aptitude is the preferred tool for installation on Debian-based systems. But when you search around on how to administer a Debian-based system, then aptitude is rarely ...
67
votes
13answers
96k views

How to reboot/shutdown Windows 8 without the mouse?

Nowadays on Windows 7, if I have no mouse on my computer I just press Win Button+->+Enter: This makes my computer shutdown without needing to use a mouse. However, on Windows 8, I need the mouse to ...
67
votes
6answers
12k views

Opened a JPG picture with notepad, pasted all the “text” to a new notepad file, changed to .JPG and it no longer opens. Why?

This phenomenon has been leaving me questions to ask. Here is the detailed experiment, my OS is Windows 7 x64 SP1: I changed a picture (JPG) file to TXT by simply changing its extension (or one ...
67
votes
1answer
76k views

What is port forwarding and what is it used for?

There are a lot of questions on 'port forwarding' but there doesn't seem to be one that clearly states what it is and what it's used for. So: What is Port Forwarding? What is it used for, and why ...
67
votes
2answers
46k views

How do you run a SSH server on Mac OS X?

How do you run a ssh server on Mac OS X?
67
votes
7answers
35k views

Turn on the link hover statusbar in Google Chrome

I want to turn on the feature where whenever I hover over a hyperlink and in the bottom lefthand corner it shows a light blue hover tooltip about where that link goes. It looks like that since some ...
67
votes
3answers
20k views

What is the difference between shell, console, and terminal?

I'm confused with the terminology. What is the difference between shell, console, and terminal?

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