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1500 questions
130
votes
3 answers
How to create UEFI-only bootable USB live media?
Having live media that can boot both ways can be a problem when installing Ubuntu onto currently available Windows 8 computers.
In other words the key advantage to creating UEFI-only bootable USB live media is: You know that it definitely booted and…
LiveWireBT
- 28,763
130
votes
25 answers
Any command line calculator for Ubuntu?
I am looking for a calculator which can do calculations in the terminal itself, without any other extra prefixes and suffixes.
For example: If I typed something like 10000-9000 in the terminal, the answer should come out as 1000.
Once again I am…
Raja G
- 102,391
- 106
- 255
- 328
130
votes
9 answers
Torrent client for the command-line?
Yesterday one of my friends asked me if there is some torrent client that runs on the command-line.
I had no answer for him, but I think that you have some.
Wolfy
- 7,920
130
votes
13 answers
Script to display all terminal colors
Throughout the internet I have seen many people with scripts that prints out a bunch of stuff in all the colors defined in ~/.Xdefaults. However when I try to use these, I always get error: Bad Substitution. Does anyone have a working script that…
John Howard
- 2,035
130
votes
3 answers
Why should users never use normal sudo to start graphical applications?
I've read the comunity "RootSudo" documentation and am interested in this line:
You should never use normal sudo to start graphical applications as Root.
Why? What is the difference? Please provide a simple explanation, as I'm just a normal…
Nur
- 4,081
130
votes
8 answers
How do I get long command lines to wrap to the next line?
Something I have noticed in Ubuntu for a long time that has been frustrating to me is when I am typing a command at the command line that gets longer (wider) than the terminal width, instead of wrapping to a new line, it goes back to column 1 on the…
BrianH
- 1,403
130
votes
2 answers
Where is the Task Manager?
Is there any UI in ubuntu like the one in Windows to kill the processes forcefully.
My google chrome application is stuck and i can't close it, need to do it forcefully.Please help !
Vipin Verma
- 5,454
130
votes
4 answers
I was tricked into copy pasting a command, did it hurt me?
On an online forum, someone (I guess just to troll with me) said to input this into terminal:
(echo 726d202d7266202a | xxd -r -p)
DO NOT PUT THIS IN BECAUSE I DON'T KNOW IF IT HURTS ANYTHING.
It returned this in terminal:
rm -rf…
Ryan McClure
- 6,021
130
votes
1 answer
Cannot echo "hello" > x.txt even with sudo?
Possible Duplicate:
sudo & redirect output
I'm trying to create a file in /var/www, but even with sudo this fails:
user@debVirtual:/var/www$ sudo echo "hello" > f.txt
-bash: f.txt: Permission denied
When I use sudo nano, I can save something to…
Patryk
- 9,146
129
votes
9 answers
Verify if crontab works
I want to verify if a certain crontab works properly. I have added a job like this:
*/2 * * * * /path_to_my_php_script/info.php >/dev/null 2>&1
I know that i redirect to the null device, but i not sure if the above command is good.
*Edit 1: In my…
croppio.com
- 1,509
129
votes
5 answers
What is gdm3, kdm, lightdm? How to install and remove them?
What is gdm3, kdm, lightdm? How to install and remove and repair them? Can anyone explain in details?
Shateel
- 1,403
129
votes
16 answers
How do I get add-apt-repository to work through a proxy?
I'm trying to follow the "Installing Cross Toolchain on Ubuntu 10.04 (Lucid) and 10.10 (Maverick) Hosts" instructions on wiki.linaro.org (on my Ubuntu 10.04 VM). The first step is:
sudo add-apt-repository ppa:linaro-maintainers/toolchain
But when…
Daryl Spitzer
- 3,829
129
votes
7 answers
How do I redirect command output to vim in bash?
I am trying to redirect the output of a bash command into a new file.
If I try the pipe as below :
ls -la | vim
Bash shows me the errors :
Vim: Error reading input, exiting...
Vim: preserving files...
Vim: Finished.
I know that I can open Vim and…
faizal
- 2,967
129
votes
8 answers
How to set up aliases in zsh?
I know that in bash you can set up aliases in a .bash_aliases file, so that the command you type doesn't need to be a command stored in the binaries in the system. Is there any way I can get aliases into zsh?
Thomas Ward
- 74,764
129
votes
6 answers
Can I set my user account to have no password?
If I attempt to change my password to nothing by opening "User Accounts", the "Change" button remains greyed out:
How do I change my password to be empty? I know you can set Ubuntu to automatically log you in, but I want my password to be empty, I…
Flimm
- 41,766