115
votes
9answers
34k views

Is there a convenient way to edit PATH in Windows 7?

I do not understand why Windows 7 is still adopting this stuffy dialog box? I feel uncomfortable when editing and looking-up a path in this narrow text box. Is there a convenient way to edit PATH ...
114
votes
12answers
20k views

If RAM is cheap, why don't we load everything to RAM and run it from there?

RAM is cheap, and much faster than SSDs. It's just volatile. So why don't computers have a LOT of RAM, and on power up, load everything to the RAM from the hard drive/SSD and just run everything from ...
114
votes
11answers
116k views

How to clear the contents of a file from the command line?

I have a log file that has a bunch of stuff in it that I don't need anymore. I want to clear the contents. I know how to print the contents to the screen: cat file.log I know how to edit the file, ...
114
votes
9answers
11k views

Why is Zip able to compress single file smaller than multiple files with the same content?

Suppose that I have 10,000 XML files. Now suppose that I want to send them to a friend. Before sending them, I would like to compress them. Method 1: Don't compress them Results: Resulting Size: ...
114
votes
8answers
66k 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 ...
114
votes
4answers
136k views

Change Outlook “Mark As Read” Behavior

Can someone describe to me, step by step, what I would need to do in order to change the default Outlook "Mark as Read" behavior? Default Behavior: Outlook marks a message as read when It has ...
114
votes
5answers
66k views

Preventing applications from stealing focus

Are there any solutions to prevent applications stealing focus from the active window? This is especially annoying when I'm starting an application, switch to do something else and the new ...
113
votes
8answers
49k 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 ...
113
votes
13answers
254k views

What can I do if I forgot my Windows password?

I got a brand new Windows 7 machine, installed the operating system, created one account and forgot its password. What can I do? There is no external CD, the operating system is loaded from somewhere ...
113
votes
12answers
228k views

How to force Internet Explorer (IE) to REALLY reload the page?

When using Internet Explorer 8 to test my web application I often find it doesn't reload the page, so I don't see my changes. This has resulted in a lot of wasted time and frustration wondering why my ...
113
votes
3answers
14k views

Why are websites suddenly asking me about cookies?

I have for a long time known that websites give me cookies so that small pieces of information can be remembered about my habits, passwords etc. I accept this, but all of a sudden they are asking for ...
112
votes
18answers
11k views

What's the quickest way to count the number of each character in a file?

I want to count the A's T's C's G's N's and "-" characters in a file, or every letter if needed, is there a quick Unix command to do this?
112
votes
3answers
45k views

Rename screen session

Is it possible to change the name of a GNU screen session? Say I called started it with "screen -S foo" and I want to rename it to bar.
112
votes
4answers
69k views

Chrome: remove URL from autocomplete which doesn't show up in history? [duplicate]

I accidentally visited gist.gihub.com (note the missing t), and now that URL auto completes each time I start typing gist.…. How can I remove this URL? I've tried removing it from my history, but ...
112
votes
10answers
76k views

How do I set up SSH so I don't have to type my password?

How do I set up SSH so I don't have to type my password when connecting to a host?
112
votes
5answers
102k views

Connect to the host machine from a VirtualBox guest OS?

I'd essentially like to access my host computer from the guest in VirtualBox. Is there an IP address given for my host which I can use from the guest? Are there extra steps required to set this up? ...
111
votes
2answers
19k views

What limits Windows 7 x64 machines to <=192GB RAM?

I know motherboards, BIOS, etc may set upper limits on how much RAM we can install or use on individual machines. However, what defines the maximum RAM for Windows 7 x64? Is that a fundamental ...
111
votes
15answers
69k views

How to check if a binary is 32 or 64 bit on Windows?

So, I need to do just that before I move the program to 32bit machine and experience a spectacular failure. Is there an easy way to do this?
111
votes
1answer
185k 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 ...
110
votes
19answers
24k views

How do I physically prevent people from unplugging an Ethernet cable?

We have a crowded computer laboratory. We render free Ethernet ports for laptop users. But they don't carry their Ethernet cables with them, they unplug cable of a fixed desktop PC and plug it to ...
110
votes
13answers
71k 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 ...
110
votes
2answers
9k views

Why does Firefox use the “chrome://” protocol / schema in URLs? [duplicate]

When I want to configure an addon, for example Ghostery, the tab shows a URL like this one: chrome://ghostery/content/options.html What does it mean? Does it have something to do with the Chrome ...
109
votes
4answers
190k views

How to save a remote server SSL certificate locally as a file

I need to download an SSL certificate of a remote server (not HTTPS, but the SSL handshake should be the same as Google Chrome / IE / wget and curl all give certificate check fail errors) and add the ...
108
votes
5answers
311k views

Notepad++ find and replace string with a new-line

Consider the scenario where you have a specific string that you want to find-and-replace. You want to replace it with a new string that contains a newline character (or character sequence). abc123 ...
108
votes
5answers
40k 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?
107
votes
5answers
393k views

How to install the real Firefox on Debian?

Debian 6 ("Squeeze") uses a rebranded version of Firefox called Iceweasel. It, however, lacks plugin support, and most of my favorites don't work. So what is best way to install the "real" Firefox on ...
107
votes
3answers
5k views

Is there a way to enable “god mode” in Windows 8, like you could in Windows 7?

I am looking for a way to enable God-Mode in Windows 8, does anyone know how to do this or is it even possible? It's a trick that lets you access all system's controls in one folder.
107
votes
3answers
102k views

How do I change my default shell on a AWS instance?

I want to change my shell from the default bash shell to zsh on my Amazon EC2 instances. How do I go about doing it? Thanks!
107
votes
7answers
49k views

How do I disable the profiles button in Chrome?

Since Chrome version 38, there's a pretty ugly button in the title bar of the Chrome window that allows you to switch profiles quickly. Since I'm the only one that uses my computer, this is not ...
107
votes
3answers
62k 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, ...
106
votes
4answers
55k views

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

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 ...
106
votes
4answers
8k views

Why do damaged hard drives freeze the entire system?

Why does a hard drive which is known to have bad blocks (verified in HDTune and HDDScan), freezes down my entire system? It is not the OS drive; it is attached to another SATA port, and I'm trying to ...
106
votes
9answers
188k views

How can I roll back 1 commit?

I have 2 commits that I did not push: $ git status # On branch master # Your branch is ahead of 'faves/master' by 2 commits. How can I roll back my first one (the oldest one), but keep the second ...
106
votes
5answers
13k views

How should I choose my DNS?

When I have to choose my DNS I think that I should consider: Speed Reliability Privacy Control (reports and stats) The main options that come to my mind, and how I weigh them according to the ...
105
votes
7answers
105k views

How do I add text to the beginning of a file in Bash?

Hi I want to prepend text to a file. For example I want to add tasks to the beginning of a todo.txt file. I am aware of echo 'task goes here' >> todo.txt but that adds the line to the end of ...
105
votes
2answers
26k views

How to append to a file as sudo? [duplicate]

Possible Duplicate: sudo unable to write to /etc/profile I want to do: echo "something" >> /etc/config_file But, since only the root user has write permission to this file, I can't ...
105
votes
9answers
79k views

How do I make rm not give an error if a file doesn't exist?

I'm writing a makefile that will clean up some useless files at the end of the compilation. If a target has already been made, it will of course skip that target and the useless file may not be ...
105
votes
2answers
68k views

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

How do you run a ssh server on Mac OS X?
105
votes
4answers
237k views

How can I make chown work recursively?

I've got a directory called pdfs that contains a bunch of sub- and sub-sub-directories. I want to change ownership on all PDF files in all of the subfolders. I just tried this: chown -R ...
105
votes
4answers
125k views

How to match whitespace in sed?

How can I match whitespace in sed? In my data I want to match all of 3+ subsequent whitespace characters (tab space) and replace them by 2 spaces. How can this be done?
105
votes
11answers
138k views

Using Windows 7, how can you use multiple mice (to get multiple cursors)?

Is it somehow possible to use two mice in Windows 7? I think this could be useful; like using two fingers on a multi touch display...
104
votes
4answers
15k views

What's the difference between 127.0.0.1 and 0.0.0.0?

I understand that 127.0.0.1 points to localhost, and so does 0.0.0.0 (correct me if I'm wrong). So, what's the difference between 127.0.0.1 and 0.0.0.0?
104
votes
8answers
18k views

If DOS is single-tasking, how was multitasking possible in old version of Windows?

I read that DOS is a single-tasking OS. But if old versions of Windows (also including Windows 95?) were just wrappers of DOS, how could Windows run as a multitasking OS?
104
votes
3answers
60k views

How can I set autoreload modified files in notepad++

How can I set autoreload modified files in notepad++? The confirmation step is annoying, and in some situations completely unnecesary.
104
votes
10answers
238k views

How to stop jucheck from running? Java won't remember “Check for Updates Automatically” setting

I've installed Java on Windows Vista, and every day I get a Vista security warning asking me if I want to run "jucheck". Apparently this is the Java automatic updater. Well, I don't want it to run ...
104
votes
3answers
77k views

Why does MDS run wild in Mac OS X 10.6?

I've been having trouble with the MDS process running wild on my MacBook Pro 13". I've read on other support forums indicating that improperly formatted external drives can be an issue, but I have no ...
104
votes
4answers
99k views

VirtualBox shared clipboard?

Where is the configuration option for sharing clipboards (copy & paste) between the host OS and the guest OS?
104
votes
4answers
17k views

What is the purpose of the tiny ruler that I've just pulled out of the side of my Dell Latitude E6430?

On the side of my Dell Latitude laptop, above the DVD drive, is a slot marked 'EC'. Pulling on it revealed a strangely shaped ruler with a temperature converter tool on the back. What is this? Why is ...
104
votes
0answers
168k views

How can I identify what application is using a given file? [duplicate]

I'm trying to delete some folder but this error is preventing from doing it: Cannot delete [FileName]: It is being used by another person or program. Close any programs that might be using ...
103
votes
21answers
7k views

Easiest way to find out if user has either Windows 7 or Vista (through telephone support)?

If you have to provide some initial troubleshooting support by phone [or email], and you don't have access to the user's PC itself, what is the easiest and most foolproof question one can ask of the ...

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