Questions about using the command-line interface (CLI).

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1
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1answer
24 views

Move multiple files to a dir if their names contain the same string present in dir name

I have multiple files in one folder: ABA.xy BEB.xy ACA.xy The same files with different extension in another folder ABA.rr BEB.rr ACA.rr Then I have single folder for each file name ABA BEB ACA ...
1
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1answer
15 views

How can I save output of past commands in an xterm?

I have ran several commands in an xterm. I can scroll up and see the output but now I want to save that output. But I did not use screen or script or output-redirection for these past commands. Is it ...
1
vote
1answer
32 views

What causes the deviation in the wmctrl window move command

About wmctrl With wmctrl (not installed by default), we can get information on windows, their id, their geometry, the pid they belong to etc. We can also move or resize windows with several commands. ...
1
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2answers
186 views

Difference between `sudo su` and `sudo fish`

I am running fish (Friendly Interactive Shell) as my standard terminal in Ubuntu 14.04, rather than bash. I noticed the following behaviour and don't know, if any of these are the preferred one to ...
15
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6answers
68k views

How to create a bootable Ubuntu USB flash drive from terminal?

Is there any way to create a bootable Ubuntu USB flash drive from the terminal without using any third-party applications like YUMI,Unetbootin, etc. I tried to create a bootable Ubuntu flash drive ...
1
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1answer
16 views

Redirection with pipe

I have the following command to be executed. ls > myFile.txt | wc The output of the command shown is 0 0 0 Why isn't the above command giving the line/word/character count of ls output? Am ...
0
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1answer
24 views

Terminal exits after pressing <Enter> or <Tab>

When I open terminal and press Enter or Tab multiple times, terminal exits i.e. when i type ls and press Enter or cd and press Tab all the terminal window get close. How can I solve this problem?
0
votes
0answers
21 views

Getting No Such File in Directory running wget script

I'm very new to Ubuntu and scripting. I am a Windows sysadmin. I need to schedule a .csv download once a day for my job. First I tried to use the windows version of WGET and had was able to create ...
0
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2answers
32 views

How do I use the set command to find directories in my path?

I am taking a linux class this semester and one of the questions on a lab is: Use the set command to find out all directories in your path. Normally, I would just use $PATH to find out the ...
1
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0answers
34 views

Cannot install Tux the Penguin: A Quest for Herring

I get this error when running configure: loading cache ./config.cache checking for a BSD compatible install... /usr/bin/install -c checking whether build environment is sane... yes checking whether ...
0
votes
1answer
15 views

accessing ubuntu teminal sessions

Is it possible to access a terminal session after closing terminal? I ran into some interesting information about my installation of Ubuntu using the terminal, and I would like to retrieve that ...
0
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2answers
4k views

Command Not Found when running 'svn'

I installed the Ubuntu 12.04 from a usb drive. I am having issue with my wifi connection. I tried to update the network adapter but ran into this problem with the svn command. sudo svn checkout ...
-1
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1answer
21 views

Downloading file from website

Hello 1st time user of Linux and I am using Ubuntu 14.04 and having issues downloading files while using the terminal. wget "http address" is no issue but when i attempt to output to a specified ...
0
votes
1answer
20 views

Keyboard layout related issue - fixed in GUI but receive error in terminal

I run on Ubuntu 14.04. I have an issue related to the keyboard layout in GUI mode. I managed to fix it in the GUI by using: setxkbmap -layout us [1] and adding it to the ~/.bashrc. That works fine. ...
3
votes
1answer
5k views

Terminal problems entering password

Every time I try to enable shell theme extension or anything in general in Terminal it asks me for a password but won't accept it.
1
vote
1answer
33 views

Ubuntu 14.04 pyenv command not found

Pardon if already duplicate but I tried combing through the forums but it seems I can't get anywhere. I am trying to install pyenv in Ubuntu 14.04 by doing these steps. INSTALL PYENV DEPENDENCIES ...
0
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2answers
46 views

Unable to download wine with software center or terminal

I'm trying to download wine 1.7 with the software center and terminal, 3 MB remained of download progress , but when i want to continue the download , it gives me a 404 error. i rebooted the system ...
4
votes
1answer
6k views

view transmission status through cli

I have installed transmission, and i have added a torrent to it, now how will i be able to view the details of the torrents. i have tried transmission-remote on local system. m@m-170:/home/m/$ ...
0
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0answers
26 views

Bash script environment can't get exported variable from user

I have a user daniel, from which I'd like to retrieve an exported value as root. So I did some research and came up with this command: $ su - daniel -c '. ~/export_script; echo $EXPORT_PATH' > ...
1
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1answer
37 views

Disable Keyboard Repeat from command line?

Is it possible to disable the keyboard repeat functionality, as is needed by various Flash games, through the command line? Normally it can be disabled by going to settings -> keyboard and hitting ...
3
votes
2answers
490 views

I need regex(7)'s manual, but man command shows regex(3)'s manual

I understand there are many manuals (which are displayed by man command) in Ubuntu that has same names and are distinguished by a number. For example there is regex(3) and regex(7). If I type man ...
-1
votes
0answers
8 views

How do i make a live usb for ophcrack from terminal?

I am having trouble creating a live usb for ophcrack using unetbootin, how would i create a live usb for this software from the terminal. Any suggestions? Thanks for your all your help.
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0answers
11 views

running and printing reversible circuit in terminal [on hold]

What is the command used for printing the reversible circuit from reversible library to open terminal? i have installed the reversible kit, after installation i am unable to view the reversible ...
0
votes
0answers
21 views

Creating Bootable USB from Mac

I am Macbook user and I am on current Yosemite OS X. I followed the directions provided on this http://www.ubuntu.com/download/desktop/create-a-usb-stick-on-mac-osx ... however I get errors. ...
0
votes
0answers
35 views

A command to resync a frozen mouse or keyboard?

Is there a way to send an interrupt indicating a connection of a new peripheral device? Looking for a standard user command that could perhaps mimic ps/2 mouse connection. My mouse keeps ...
0
votes
1answer
18 views

sed : difference between “ sed 's/\-.*// ” & “ sed '/\-/s/\-.*//gw ”

I am learning few simple sed commands and I have gone through few practices. Command #1 sed 's/\-.*//gw witout' tgs.txt Command #2 sed '/\-/s/\-.*//gw with' tgs.txt Output #1 $ cat with 2. ...
0
votes
1answer
53 views

Code works in Terminal, but not when in a script

I have: This is my zip file.zip in path $dec If I manually copy this code over to the terminal window, I get the correct output. But, if I take the same exact code and put it into a .sh file and ...
0
votes
2answers
25 views

Listing certain contents from a site in the terminal

This was one of the 12 problems in my practical exam today . For the first part of the task, we were supposed to list the contents of the first page from http://slashdot.org . I used lynx for this ...
0
votes
1answer
36 views

Timer to shutdown

I just installed Ubuntu 14.04 on my Intel NUC DN2820. And almost every night as I lie down to sleep I listen to music, and my NUC shuts down (On Windows). On Windows it has the easiest command ever in ...
1
vote
1answer
23 views

Differences between md5pass and md5sum

This question may be insane ,but due to definition of hash algorithms, hash algorithms are some kind of functions that accept variable length input and make it encrypted and the output always has a ...
1
vote
2answers
584 views

Sudo does not recognize my password anymore

The problem is happening on a remote server, so everything is done through ssh. I can login with my key, no problem here. I can change my password at will with passwd (which I believe shows that it's ...
0
votes
1answer
26 views

Problems with Software Center and Terminal

Here's the problem. When I open Software Center it's black and closes after few seconds, can't do anything. And the problem with the terminal: sandro@sandro-E6224:~$ sudo apt-get upgrade [sudo] ...
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votes
2answers
30 views

run python program from command line in python [on hold]

I have installed GNome in through VMware for learning Python i wanna know how to create , edit and run any python program from command line. I also wanna also know about how to do the same for c or ...
0
votes
4answers
2k views

How to use Ffmpeg to convert wma to mp3 recursively, importing from txt file?

I tried different options from forums, but most of them are out of date (ffmpeg tells me about it, like with -sameq option). Im trying to understand the docs, but I can't. I want to know how to ...
0
votes
0answers
48 views

IF statement not traversed correctly in script responsible for unpacking zip files

I've been working on an IF statement for a couple days now and have been unsuccessful at getting it to run correctly. All of the embedded code seems to work when I manually paste it in Terminal, but ...
1
vote
1answer
53 views

Deleting input forward to the next space

This is my question: When in terminal I can use Ctrl+w to delete a whole word or IP (. is separator for each octet) when going leftward of prompt. However, if I try Alt+d to go rightward of prompt, ...
-1
votes
0answers
16 views

I can only send emails to gmail accounts with exim4

When i write this in the terminal, a email should be sent to the email-address i send it to: echo "Content of email" | mail -s "Subject" user@example.com If i send it to my own gmail account, it ...
1
vote
5answers
36 views

Creating command history list

Is there a way to display a list comprised of the last n terminal commands made by a particular user ?
0
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0answers
15 views

Need some cheat sheet or tutorial site for Linux [on hold]

I am beginner in Linux. I need Cheat sheet of commands like Linux Commands cheat sheet So I can learn easily Linux and also need some tutorial site name for beginner. Thanks
0
votes
1answer
24 views

Stuck at GRUB menu

I feel really dumb saying this... Thanks to the help I received on this forum, I finally fixed my Wine/Pipelight issue and could finally upgrade from 'Trusty' to 'Utopic'. To clean up extra files, ...
2
votes
1answer
142 views

All files become hidden in Nautilus file manager

When I cd to a directory via Terminal and when I create a file every time via terminal, the file is not shown in Nautilus. But when I put ls command, I can see the files on Terminal. But I cannot ...
2
votes
1answer
36 views

cp Cannot Stat '-r'

Strange issue, for some reason, when I'm running a copy command, it's treating the -r flag as an argument. sudo cp –r usr/* /usr The following is the error: cp: cannot stat ‘–r’: No such file or ...
204
votes
7answers
174k views

How do I determine the total size of a directory (folder) from the command line?

Is there a simple command to display the total aggregate size (disk usage) of all files in a directory (folder)? I have tried these, and they don't do what I want: ls -l, which only displays the ...
15
votes
3answers
1k views

How can I wake a sleeping bash script?

Is it possible to wake a process that is paused using the sleep command? As an example, lets say you have this script: #!/bin/bash echo "I am tired" sleep 8h echo "I am fresh :)" After 30 ...
1
vote
1answer
29 views

parted mktable error. but gparted “create partition table” works?

I am trying to automate formatting of USB drives. What I do is: Unmount USB drive terminal: sudo parted /dev/sdb1 mktable msdos This is when I get the following error: Error: Partition(s) 1, 2, ...
2
votes
2answers
19 views

Command to cycle displays in Xfce

One can change displays in Xfce from GUI by choosing between Laptop Mirror Displays Extend to the Right Monitor Is there a command to cycle between these options? - so that I associate it to a ...
12
votes
5answers
29k views

How to switch the editor in mc (midnight commander) from nano to mcedit?

Using ubuntu 10.10 the editor in mc (midnight commander) is nano. How can i switch to the internal mc editor (mcedit)?
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0answers
17 views

apt-get update error(core dumped)

Someone please help here. I get this whenever i try sudo apt-get update/intall . * stack smashing detected *: apt-get terminated Aborted (core dumped) What could be the problem. i am using ubuntu ...
0
votes
2answers
47 views

Find folders of size lesser than x and delete them

I want to find all folders (within a folder) which are less than 100mb large and delete them. I actually don't want to use a bash script. But probably there is some neat one-line-loop possibility to ...
-2
votes
1answer
29 views

How to combine ls and grep to list only files and using ls to count dirs

I have some troubles with combining ls and grep. The thing is that I have to use only ls and grep to list all files in home directory. Ive tried multiple of combinatnions but with no effect. I think i ...