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189
votes
4 answers

How to grep for tabs without using literal tabs and why does \t not work?

When I search for tabs in a file with (e)grep I use the litteral tab (^v + ). I can not utilize \t as a replacement for tabs in regular expressions. With e.g. sed this expression works very well. So is there any possibility to use a…
Lasall
  • 3,703
189
votes
9 answers

Is there an easy way to rearrange or move the icons in the Unity launcher?

It looks like the only time that you can choose where an icon goes on the unity launcher, is when you add it. Is there a way to rearrange the order of an icon after it has been added?
JannieT
  • 1,993
189
votes
23 answers

How do I install Ubuntu to a USB key? (without using Startup Disk Creator)

If you are hurrying to reply, System → Administration → StartUp Disk Creator -- no, that's not what I'm talking about. I want to try Ubuntu 11.04's Unity without touching my existing Ubuntu install. To do this, I need to install the nVidia drivers…
badp
  • 12,372
189
votes
6 answers

How do I install the latest Python 2.7.X or 3.X on Ubuntu?

I want to install the latest Python tarball on Ubuntu, downloaded from http://python.org/download/. Is this is a correct way to install? ./configure make make install If not, how do I do that?
mohammads
  • 2,692
188
votes
4 answers

apt-get stuck at 0 [Connecting to us.archive.ubuntu.com]

When I do upgrade it gets stuck here: user@plato:~# sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done The following packages will be upgraded: …
Arian Faurtosh
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  • 15
188
votes
6 answers

unzip error "End-of-central-directory signature not found"

I try to unzip a zip file, but got an error: $ unzip COCR2_100.zip Archive: COCR2_100.zip End-of-central-directory signature not found. Either this file is not a zipfile, or it constitutes one disk of a multi-part archive. In the latter…
Tim
  • 25,177
188
votes
4 answers

Pressing enter produces ^M instead of a newline

For example, if I am tail -fing a file or reading user input, will produce ^M in the terminal instead of ending the read or adding a newline to stdout. ^J works fine. I'm sshing into the ubuntu system, if that matters. This happens to me…
benekastah
  • 1,989
188
votes
4 answers

E: Unable to correct problems, you have held broken packages

I am using Ubuntu 13.04 which I installed few days back. I am trying to install nodejs and npm. I tried to install from command line first and then uninstalled it. Then something broke. sudo apt-get install -f nodejs npm Reading package lists...…
John Qualis
  • 1,983
188
votes
20 answers

Is there software that can fill PDF forms?

I have some PDFs which are actually forms, with fields to fill. Is there some software that can fill those fields?
Pablo Fernandez
  • 2,561
188
votes
5 answers

How can I install and use powerline plugin?

Powerline is a plug-in to display informational and beautiful statusline for vim, tmux and shell prompt for bash, zsh. Vim statusline: How can I install and setup Powerline for different applications and shells in Ubuntu?
Basharat Sialvi
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187
votes
30 answers

Higher screen resolution in VirtualBox?

I've just installed Ubuntu 10.04 into VirtualBox on Windows 7. Unfortunately the only options showing for screen resolution are 640x480 and 800x600 and the monitor is showing as 'Unknown'. How would I go about upping the resolution to 1280x1024…
pelms
  • 1,971
187
votes
3 answers

"autoreconf: not found" error during making qemu-1.4.0

I was ./configure'd the qemu-1.4.0 and during make it cause: (cd /home/amin/Simulate/qemu-1.4.0/pixman; autoreconf -v --install) /bin/sh: 1: autoreconf: not found make: *** [/home/amin/Simulate/qemu-1.4.0/pixman/configure] Error 127 Now, I can't…
Shahmohamamdi
  • 1,971
186
votes
16 answers

Slow boot - "a start job is running for dev-disk-by..."

I don't recall when the issue started to occur but it's likely when I moved my VMWare Ubuntu image to an external SSD so that I can use the OS on any of my PCs. There aren't many links on Google about the issue but the ones that appear talk about…
cpd1
  • 2,393
186
votes
8 answers

Error :: You must put some 'source' URIs in your sources.list

I'm trying to install PIL a python module on ubuntu I first need to install a package called python-imaging using the following command sudo apt-get build-dep python-imaging When I try and do this I get the error E: You must put some 'source'…
david
  • 1,999
186
votes
15 answers

How do I install Java?

How do I install Java, including in my browser, so websites with Java work?
Jay
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