Questions tagged [ubuntu]
Free, open-source operating system based on Debian GNU/Linux. Ubuntu questions are on topic here, but if you prefer an Ubuntu-only audience there is Ask Ubuntu (https://askubuntu.com/).
22,060
questions
411
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11
answers
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How to check which apache modules are enabled/installed?
Which is the most elegant way to check which apache modules are enabled?
403
votes
21
answers
565k
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How do I detach a process from Terminal, entirely?
I use Tilda (drop-down terminal) on Ubuntu as my "command central" - pretty much the way others might use GNOME Do, Quicksilver or Launchy.
However, I'm struggling with how to completely detach a ...
401
votes
7
answers
283k
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Find what package a file belongs to in Ubuntu/Debian?
I frequently find myself missing a program, man page, or other file when working on my Ubuntu 8.04 system. Is there any simple way to look up what package contains a given file (whether it is ...
304
votes
10
answers
789k
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How can I list all IPs in the connected network, through Terminal preferably?
Using Ubuntu 10.10 command line, how can I list all IPs connected to my home network?
Ideally, it needs to be a CLI command as I will be running it from C++.
293
votes
5
answers
238k
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Zsh not hitting ~/.profile
I've just installed zsh on my Ubuntu system. It seems zsh isn't executing ~/.profile on init. To my best understanding, this should be an automatic behavior. What am I missing?
293
votes
8
answers
892k
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How do you add a certificate authority (CA) to Ubuntu?
My work has decided to issue their own certificate authority (CA) to handle different aspects of our work securely without paying for certificates.
Cryptographically sign emails
Encrypt email ...
245
votes
5
answers
267k
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What does the asterisk mean after a filename when you type `ls -l`?
I've done an ls -l inside a directory, and my files are displaying like this :
james@nevada:~/development/tools/android-sdk-linux_86/tools$ ll
total 9512
drwxr-xr-x 3 james james 4096 2010-05-07 ...
233
votes
2
answers
370k
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How to reload /etc/environment without rebooting?
/etc/environment is officially the correct place for system wide environment variables. But how can I reload the assignments in this file without rebooting or relogging?
Interestingly enough google ...
199
votes
5
answers
486k
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How to mount a HFS partition in Ubuntu as Read/Write?
I plugged in my external harddrive (which was formatted on my Mac into HFS+ journaled) to my Ubuntu desktop 9.04 64bit. I am not able to get the drive to mount with write capability, how do I do that?...
184
votes
6
answers
83k
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How to tell from what Ubuntu or Debian repository a package comes?
On a Debian-based system, including Ubuntu, how can one tell which repository a package will be downloaded from, without actually beginning the download? aptitude show and apt-cache info will show the ...
178
votes
7
answers
309k
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How to password protect gzip files on the command line?
I want to create some tar.gz (and possibly tar.bz2) files, using the tar command on Ubuntu 10.04.
I want to password protect the file.
What is the command to do this (I have Googled, but found ...
176
votes
16
answers
362k
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How to wipe free disk space in Linux?
When a file is deleted, its contents may still be left in the filesystem, unless explicitly overwritten with something else. The wipe command can securely erase files, but does not seem to allow ...
170
votes
7
answers
234k
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No USB devices available in VirtualBox
Oracle VirtualBox is unable to list/filter the USB devices attached to my system. As a result, the guest OS is not able to see any USB device either.
This is my configuration:
Host: VirtualBox 5.0.0 ...
161
votes
4
answers
135k
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How can I launch the GNOME image viewer from the terminal?
It's the default image viewer for Ubuntu, and apparently it's called Eye of Gnome. I would like to be able to launch it from the command line, passing it a file name to open.
157
votes
3
answers
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What does the -p flag do in "mkdir -p"?
What does the -p flag do in mkdir -p?