All Issues
24,993 verified issues
how do I change postfix port from 25 to 587?
I am total noob about Unix and CLI. after googling for almost 6 hours I came to know I should be editing postfix port from 25 to 587 for PHP mail() function to work. and here is the solution I got http://www.linuxmail.info/postfix-change-port/ but I am not sure how to change it. as already said I a…
How can I make vim show the current class and method I'm editing
Does anyone know if it's possible (or know of an existing vim script or plugin) that can create a "status bar" that shows the name of the current class and method (or function) I'm editing? I'm imagining that it would plug into the syntax parser for the filetype of the current buffer, and display a…
Change the audio output device in Firefox
I'm trying to play music through Ventrilo and currently I use Virtual Audio Cable. The way it works is that in foobar2000 (a music playing program) I set the output device in preferences to Virtual Audio Cable. Then in Ventrilo I log in to another name and set the input device to Virtual Audio Cabl…
How do I log startup and shut-down times in Windows 7?
I'd like to log the times when my computer starts up and shuts down. I don't need any diagnostic info or anything, just a simple note of the date and time, e.g. something like: How can I do that? My Google searches so far have yielded lots of people asking about reducing Windows startup times, but …
git hard links - does it know a file is a hard link?
I started using hard links instead of symbolic links to organize files ... I've been doing this for pictures I take to categorize them as well as indicate which ones I want to print, etc. I'm using git to backup my images and it appears that git thought they were new files as the repository grew ab…
What does this dtrace error mean?
When running on my late-2010 Macbook Pro (10.6.7) I get repeated instances of this error: What's the cause of this and how do I fix it?
How to find out how often Windows Seven has rebooted?
Where on the system or registry should I look for data on how many times Windows has been rebooted? I want to create an application that uses this information (how many times Windows has rebooted since the OOBE* process) to implement a specific feature. I'm sure that Microsoft may have implemented …
Prevent Adobe Reader from switching to "Fit Page" zoom when bookmark is clicked
If I open a PDF document in Adobe Reader, it usually opens with Fit Width page zoom by default. But if I click on a bookmark, the zoom changes to Fit Page. How do I stop this from happening and have Adobe Reader maintain the default zoom?
File transfer over a serial line
I have 2 linux computers, and a serial line between them, one of them is only accessible through a serial line that has shell on it. How can I transfer files between the 2 computers? I've heard that it can be done with some rz/sz magic... Can I do the same trick with a pseudo-terminal instead of ot…
Dash (-) in front of bash
If I examine my bash shell in an OS X (10.6.4) terminal, such as by typing , there is a dash in front of my shell, like this: . What does this dash mean?
How to swap monitor positions when using an extended monitor?
I'm using an extended monitor. Currently, when viewing the display monitors in the OS, I see they are listed as below. My problem is that my extended monitor is not on my right hand-side as it says - i.e. physically I place it on the left. What I want is to change the posistions listed in the OS to…
Does eSATA require power source?
I got eSATA slot in my laptop (HP DV-7) + WD 1TB (The exact model: Caviar Green WD10EADS) What I want to know, it's if I need something else except from the eSATA cable. Does the eSATA cable provide also power to the HD? If I'll purchase this cable - do I need something else? Thanks.
How to see a list of all installed Firefox extensions and export it?
I was wondering if there is a functionality or maybe another addon for Firefox were I can export all my addons into a simple list - preferably txt or html. I mean only the names because I start to lose track and want the same addons at home and work.
Dropbox is slow and only uploads at fraction of download speed
I've started using Dropbox but I'm finding that my upload speeds are dropping down to the withering pace of 6Kb per second. I have checked my upload speed with speedtest.net and I get just under 1Mbs. Is this due to preferences or settings on my install or would this be something out of my control …
Firefox / Google Chrome plugin to enable multi-session browsing
The traditional way to browse a site with multiple sessions is by using multiple browsers at the same time. Are there any Google Chrome / Firefox plugins that can do the same using a single browser?
How to open the doc file for a vim plugin?
I just downloaded the Rails vim plugin from here. One of the file that it contain is a doc file that will be extracted to How do I open the content of this help file in ? I tried to no avail.
Parallels vs Vmware Fusion for running Windows on Mac OS X
Has anyone used both of these? Is one clearly superior to the other? I notice they are the same price. Any pros and cons?
What is the difference between "safely remove" and "eject"?
Eject would normally make sense for CDs, etc., and safely remove tends to be used with USB media. However, my Kindle (which connects over USB) shows distinct behavior when using the two options: After ejecting a Kindle, you can use it normally (i.e., read books), but after safely removing it, it sh…
How can I set my own bookmarks in a PDF?
I would like to save several bookmarks in a PDF document I'm reading, so that each time I open the PDF, I could re-browse to certain locations. How can I do this? Ideally, I would be able to assign each bookmark its own name. I'd like an answer for Adobe Acrobat Reader, but if it's not possible in …
How to type non-printable ASCII characters in Mac OS X Terminal?
To communicate with a serial-type device over a telnet socket, I need to type the null character (ASCII 0) and all other non-printable ASCII characters. On Windows, you hold ALT and type the ASCII code. How do I do this on Mac OS X?