All Issues
24,993 verified issues
Mac OSX: Cannot color broken symlinks
On my linux machine, you can tell intact symlinks from broken ones, because broken ones are colored red. I've tried to set this up on my mac by adding some configurations to PSCOLORS in my .bash_profile, but so far nothing has worked. I've managed to get the coloring to tell apart directories, file…
How to access a shared drive from the command prompt on OS X
I have a shared drive called "music". It shows up in Finder without problems. How do I access this from the command prompt on a Mac? I can't find it anywhere – is there a way to access it?
Is there a tool to copy a folder using shadow copy?
Is there a tool similar to Robocopy or TeraCopy that would do a "shadow copy" of a folder? I'm not sure if this is technically possible on Windows 7 but what I'd like to find a utility that, when I execute the "copy" command, would create a fixed copy of that folder at that given time and then copy…
What does "clocksource tsc unstable" mean?
Whenever I see Linux booting, I see this message: where NNNNNNNN is some very large number which may be positive or negative. What does this message mean? Should I be concerned about this?
Can I automatically login to ssh using passwords from OS X keychain?
I need to login to an ssh server which doesn't support key based authentication. And I don't want to type the passwords every time. I am using OS X Lion (10.7.2). I have added the passwords to the OS X keychain[1]. Now I can retrieve the password automatically from the keychain using , however I ca…
Windows 7 print option wizard rotate some photos from portrait to landscape, how to stop this?
Windows 7 print option wizard rotate some photos from portrait to landscape, how to stop this? When i see photo in windows photo viewer it shows fine.
How to 'source' a shell script using bash from zsh?
I am using zsh and like it very much, but work a lot with Android source which has compilation scripts that require bash to be evaluated correctly. These scripts need to be sourced prior to compilation and define environment variables and shell functions that are used during compilation. Zsh cannot…
Removing location menu bar in OS X
I have the location menu bar entry which looks like an compass arrow pointing north east. This is not a third party application but a privacy service setting. I can usually move and remove entries with dragging using the Command key, but this doesn't work on this particular entry.
Why does pasting into an unprotected cell in Excel protect it?
While researching the answer to this question, I stumbled across a rather odd behavior in Excel related to unprotected cells in protected worksheets. To see what I mean, create a new workbook, unprotect its first cell (A1) and protect the worksheet. The only cell that text can be entered into now s…
How come sites like Google/Facebook/etc. don't get DDOS'd even though they receive so many requests?
Something I don't understand: (Tens/hundreds of?) thousands of people simultaneously try to connect to a site like facebook.com or google.com. From what I understand, they must all necessarily connect to the same initial server (because DNS will return the same IP to many of them, and so all the re…
Electricity speed and data transfer
I've read in some places that electricity is very slow. Then how can Internet traffic in copper wires be so fast? I think I have a great gap of knowledge about the low-level data transfer structure. Anyways, I searched for it and couldn't find, so?
How do I stop byobu from launching at login?
I would like to turn off byobu from launching by default on my Ubuntu computer, how can I do this?
Why can I not see LocalLow and Local when I type in %AppData% into the Windows 7 Start Button Search, and how can I fix this issue?
I typed into the search box in Windows 7 that I get when when I click the Start Button. For some reason, all I see is the folder, even though I have confirmed that and folders do exist. Why are LocalLow and Local folders missing from the search box, and how can I fix this problem?
How can I write a emacs command that inserts a text with a variable string at the current cursor position?
I would like to write an elisp emacs command that inserts a fixed string that contains a variable part at the current cursor position: where the command should query for and insert the whole text.
ddclient updating to local IP instead of public IP
I'm trying to setup ddclient on my ubuntu server to update my DNS records on zoneedit for when my public IP changes. It's updating fine, the problem is that it's giving zoneedit my local IP instead of my public one. My ddclient config file looks like this: Why is it updating to my local IP instead …
Prevent Caching in Windows FTP (Explorer)
Windows Explorer's FTP functionality appears to be caching downloaded files, such that when I drag drop (to download) the same file again, it's not downloading the latest version from the FTP server. How can I disable file caching in Explorer's FTP support?
Zombie process using 100% CPU
A zombie process, which should not be using any resources (RAM and CPU), is hogging up an entire core on my 8-core 64-bit Ubuntu 11.10 Desktop installation. This is the output of : ... and here is an excerpt from : This is how the zombie process came to existence: I opened a Java JAR called minecra…
How to pipe awk output (with periodic, continuous input) to output file?
I am trying to write a command that pipes the continuous output of a free command (run every second) to an awk command that parses a specific value (available free memory) and outputs this to a file with a timestamp. Here are my current attempts at the command: And alternatively, after a bit of Goo…
Can I use booleans (AND, OR) in Thunderbird's quick filter field?
Is there a way to use in Thunderbird's quick filter bar to use Boolean filters (like AND, OR, NOT)? I would like to be able to (for example) search on emails send by either OR . See below for an example, which obviously doesn't work. Note: I don't want to use the "search all messages" options (wonk…
How to comment a block of code in Emacs?
In Emacs, how to comment a block of text, i.e. how to indent a block of text rightward by whitespace characters and put a chosen character sequence, say , at the beginning of each line? Original Desired: I need a method that doesn't interfere with CUA mode. doesn't allow me to choose arbitrary char…