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1500 questions
95
votes
9 answers
How can I open a .dmg file?
I've got a .dmg file, and I can't figure out how to open it. How can I open it?
jrg
- 60,101
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95
votes
7 answers
No internet connection on Virtualbox (Windows 7 as guest, ubuntu 13.04 as host)
Internet works perfectly on host (Ubuntu 13.04, 32 bit, fully updated) but cannot connect to internet on guest Windows 7 (under Virtualbox 4.2).
Have tried NAT and Bridge Network - none worked.
I had internet connection in the guest OS a couple of…
Ben
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95
votes
5 answers
How can I recursively change the permissions of files and directories?
I have ubuntu installed on my local computer with apache / php / mysql.
I now have a directory at /var/www - inside which I have several of my ongoing projects. I also work with opensource ( drupal, magento, sugarcrm ).
The problem I am facing is…
Nikhil
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95
votes
7 answers
Selecting text in the terminal without using the mouse
I am about to press enter to run a command in terminal, but before doing that, I want to copy the command to clipboard without using the mouse.
How?
If you're somewhere other than the terminal, Ctrl+Home does it.
Is there a way of arbitrarily…
Strapakowsky
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95
votes
1 answer
What does “%U” mean when calling a command?
When editing the Applications menu, I see for some applications their commands have %U such as gedit %U and gnome-mplayer %U, but others don't such as gcalctool.
I was wondering what %U means when calling a command, and when it is needed and when…
Tim
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95
votes
7 answers
How to check the information of current installed video drivers?
My CPU usage is high when I do trivial things such as scrolling through a PDF file. So I think my video driver is not properly installed.
I want to confirm that by checking the information of my currently installed video driver, such as if there's a…
smwikipedia
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95
votes
3 answers
What is dconf, what is its function, and how do I use it?
Mark Shuttleworth recently blogged about the decision to include the Qt libraries in the 11.10 release, with a followup from Jono Bacon. Mark states that the biggest challenge to integrating apps written in Qt into the larger Ubuntu system is Qt's…
user2405
95
votes
8 answers
How to run a script without closing the terminal?
I have a script in file bla.sh and it is executable. When I click on it, the script is executed and the window is closed. I'd like the window to stay open.
Something like command cmd /k** command in Windows.
P.S. I don't want to use pause, but I…
UAdapter
- 17,157
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95
votes
1 answer
Make apt-get (or aptitude) run with -y but not prompt for replacement of configuration files?
When running apt-get -y install on Ubuntu 10.04 I would like apt-get (or aptitude if that makes it easier) to not prompt me when installing additional dependencies (behavior of -y as I understand it) and but not prompt me about…
0xC0000022L
- 5,656
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95
votes
7 answers
How can I free space from a massive 39.5GB /var/log/ folder?
I just got a message from the default disk analyses software (Baobab)
that I only have 1GB left on the hard drive. After some search, I found that the /var/log/ folder is the cause of this.
Some file/sizes in /var/log/:
kern.log = 12.6…
blade19899
- 26,496
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94
votes
9 answers
How do I install Adobe Acrobat Reader deb package downloaded from Adobe website?
I am new to Ubuntu, but I believe I have Ubuntu 11.10 installed correctly. I am trying to install Acroread using AdbeRdr9.4.6-1_i386linux_enu.deb that I downloaded from the Adobe web site. How do I do this?
ubuntu_rookie
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- 7
- 3
94
votes
4 answers
How to execute a script in a different directory than the current one?
I tried executing a script with this command:
./home/user/scripts/someScript
but it doesn't work:
No such file or directory
Any ideas?
UAdapter
- 17,157
- 38
- 78
- 102
94
votes
4 answers
How to Display Hidden Characters in vim?
How can I configure vim to display hidden characters like tabs or spaces ONLY while those characters are typed? I do not want tabs and/or space replaced with special characters like ">" or "_" when the file is written.
dan0
- 943
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94
votes
12 answers
How to convert a m4a sound file to mp3?
I tried to convert an .m4a file to an .mp3 file using ffmpeg with the following command:
$ ffmpeg -i music.m4a music.mp3
Unfortunately, I got a zero byte-sized file returned as output. The output of the command is as follows:
FFmpeg version…
The Student
- 11,786
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94
votes
5 answers
When to use () vs. {} in bash?
I'm studying shell scripting with bash and I need to know the difference between (...) and {...}. How does one select between the two when writing a script?
Fat Mind
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