All Issues
24,993 verified issues
What is the easiest way to encrypt a dir? (on Ubuntu)
What is the easiest way to encrypt a directory on a Ubuntu based system? Let's say I have a laptop that is running Ubuntu 10.04, and on that I have some documents that should be kept safe (if I lose the laptop). Let's say all to documents is in a dir called ~/work/, and nothing secret is outside th…
How can I check the user command history in Unix?
I know the 'history' command give me a list of the commands I have typed into the Unix terminal. How do I see the command history for all of the users currently logged onto the system?
How to download a podcast without iTunes?
I just want the .mp3 file. I don't want any of the other crap that comes included. I intend to just listen to this on a burned audio cd in the car. http://itunes.apple.com/us/podcast/stuff-you-should-know/id278981407 Thanks. Edit: Even better if I don't have to download any software at all. I just …
Why should I not keep things producing static electricity near my computer cabinet?
My Dad suggests you are not supposed to keep anything that produces static electricity nearby your computer. Why would this be advised? If true, which things produce static electricity? How far should I keep them away? What are the other computer resources that can be affected?
Programmatically open tab in gnome-terminal, execute command, and have tab stay open
I am trying to write a command that will launch a few terminal tabs, execute something in each tab, and have each tab stay open after the command in finished, so I can look at the output and type more commands in each tab something like this: but the problem with this is that the tabs close as soon…
What does 100x mean, for an SD card?
When I read the information about an SD card, I notice there is an information that is reported as 100x. What does that mean? To what is it referring?
How do I return just the Http header from tshark?
I'm using tshark to sniff my packets and I'm only concerned with the http header (preferably in the form its sent, but I'll take what I can get). I tried using: Which gave me the header, but also content (which I don't want as its a large amount of garbage to parse). I really only care about the he…
Command line history & tab-completion for sftp in OS X Terminal.app
I use Terminal.app constantly. When connecting via to remote *nix systems, I can continue to use to complete command names and to navigate the command history. However, with this does not work, and I get -escaped sequences for the latter and a literal tab for the former. Any way to get this to work…
Create multi volume archive on a Mac
I've got a 6 GB file, which needs to be copied to an USB-drive. The drive is 16 GB, but formatted in FAT so windows computers and Macs can read it. Fat limits the file size to 4 GB, so I cannot copy my file. My sollution would be to create a multi part archive, in two files of 3 GB. How do I create…
How to delete gpg secret keys by force, without fingerprint?
It's accident generated a bulk of secret keys (without public key) in the GPG key ring, and I have written a script to delete those keys, but GPG doesn't allow me to do that: well I know what I'm doing and I know there may be duplicated key-id(s), but there seems no way to force to delete them, tho…
Mac OS X 10.6: key to switch between selected button in a dialog window
If I have a dialog window in Mac OS X with multiple buttons, how can I switch the selection of the buttons? In Windows, Gnome, KDE, etc. it is usually with . In this example dialog I could simply press , but there are other dialogs with more buttons.
Ramdisk ubuntu 10.04
I'm using Ubuntu 10.04(64bit) for my desktop. The machine has a 5GB RAM. I want to use RAM disk(1G or 2G) but I don't know how can I do this. Is there any opensource product of RAM disk?
shortcut for accessing tab menu in Google Chrome
When using ALT+SPACE_BAR the window menu of Google Chrome pops. but I was wondering if the same can be don for showing a tab's menu with Reload, Duplicate, New Tab, Pin Tab, etc. Is there a shortcut for this?
How to convert M4B files to MP3?
I have downloaded some .m4b files, but my mp3 player cannot play them. I have tried several converters i found through google, but they can't seem to be able to convert the whole files. (Its an 8 hour long file, first program only converted it to a 1 hour long mp3, and the 2nd converted it to 5 hrs…
On a Linux shell, what is echo $1 supposed to do?
I do a , it prints out what is the default login shell used. But for onwards, all I get is a newline. Why is that?
Join many MP3, OGG, and FLAC files into one WAV or FLAC
I have 33 audio files, each about 11 seconds long, and I'd like to merge them into one lossless file. How can I do this efficiently (i.e. without cut-pasting in Audacity 33 times)?
How can I recover/undelete files from an ext4 partition?
Has anyone had success recovering deleted files from an ext4 partition? I've tried various utilities, but none have worked yet. I'd be grateful if someone can share a success story!
pdftk: multiple page ranges
I want to grab a few pages from a large (600+ pgs) document using pdftk. How can I do this? example: suppose the pages I need are 300, 307-310, and 315-318 from a file named "bloated.pdf". This doesn't seem to work:
File store organisation
I've a sizeable collection of files (installation binaries, archives, etc - not "document" or multimedia) that is barely manageable and it is often difficult locate what I want, especially as some fit in to several locations (I recently found a copy of GraphViz in , because the first time I downloa…
installation mysqldump
i use linux ubuntu..i try to copy db and type some mysqldump command.. but at terminal show: how to get mysqldump for my pc? i've tried to follow the instruction,but show like below: