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

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0
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1answer
16 views

Pipe file to gnome-open command

For example I want to open a specific book from Books directory. To find it I do ls | grep -i 'book_i_want' Ideally I would like to add next pipe with command, like this: ls | grep -i 'some_book' | ...
0
votes
0answers
7 views

gtk-launch .desktop is not using custom icon

I copied my .desktop shorcut to user_home+"/.local/share/applications/" then going to terminal and typing in gtk-launch nameOfMyDesktopFile it launchs it, but it doesn't take the custom icon. I'm ...
1
vote
4answers
55 views

Remove all text before last space in text file from CLI

I want to remove everything before the last space in a text file from the CLI Example text: 2015-03-02 21:34:15 20480 dump-2015-03-02-21-34.tar The string that should remain is ...
0
votes
0answers
20 views

How can i open sublime text using ubuntu terminal? [duplicate]

I want to open most popular text editor sublime text, Already opened by subl . command in existing directory files, but when press Ctrl+c then text editor close and with showing me terminal below ...
0
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0answers
9 views

Matlab installing

Im having trouble with Matlab installation. I've downloaded a folder, which contains matlab, then in Terminal i've changed the directory to that folder. When trying to execute the command: sudo ...
0
votes
0answers
17 views

Bash cursor graphical bug in ubuntu 14.10

For the past few weeks (I'm not exactly sure on the timeframe, but I think it coincides with me upgrading to Ubuntu 14.10) I've had an issue with my terminal where, while typing, the white cursor ...
2
votes
1answer
91 views

Bash script, arithmetic with floating point variables / strings that represent them

I'm trying to create a simple script that takes an average load percentage of the CPU each minute. I'm doing this by using the sar command from the sysstat package. Here is my current code: ...
1
vote
1answer
36 views

How can display a message on terminal when open it [duplicate]

how can i display a message when open terminal. i want to display a Specified text right after open terminal any time. hence before do anything,i want that text will shown. i want to understand ...
2
votes
1answer
18 views

How to activate/deactivate a gnome-shell extension from command line

Let's say I have successully installed my set of gnome-shell extensions. But I want to deactivate/unactivate from the command line. This is only possible via mouse action, AFAIK. How can I do that ?
0
votes
0answers
12 views

Framebuffer driver commands not working

I was trying to do some tweaks in my Ubuntu terminal. I tried to show a BMP image using fbv. I was following this tutorial for that - I had a BMP image but using this command: fbv -d 1 /root/logo.bmp ...
3
votes
1answer
49 views

What are limitations of ubuntu phone comparing to ubuntu desktop?

All the reviews for ubuntu phone seems to be targeted for phone users (how is the touch, gestures, scopes, etc). I am however, interested to know about this new OS as an ubuntu users. I was wondering ...
2
votes
1answer
26 views

Rotate images from terminal

I have a directory with a lots of image but they are in wrong orientation. I want to rotate the images to correct orientation (mostly ±90o). Using image (shotwell photo) viewer I can rotate ...
0
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0answers
23 views

How to launch .desktop file from terminal

I have a file on my desktop named "Firefox - Profile B.desktop". I am running Firefox in profile A. I tell Firefox Profile A to run a command in terminal. I'm trying to make it launch "Firefox - ...
0
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0answers
8 views

Ubuntu failed to start session on Mac Book Pro retina

I am running Ubuntu 14.04 on a macbook pro retina and I was trying to set up gnome 3 as DE (Desktop Environment). But when I tried to log out and log in, it failed to start the session, a message ...
0
votes
1answer
19 views

teminal text entery problem [duplicate]

After a command is entered in a terminal I am then asked for a password but the terminal freezes and won't let me enter the password. How do I fix this.
0
votes
1answer
63 views

Printing from arrays vs awk 'NR

I am currently printing out values from vmstat stress tests using this: vmstat -a $INT $CNT | awk 'NR > 1 {print $13,$14,$15}'> vm.log_$D & sleep 5 && stress --vm $cores -t ...
0
votes
1answer
18 views

How to get help on a specific option of a command [duplicate]

I guess the title says it all. I know I can get help on a specific command, for example wget, like this: wget --help But how can I get help on some specific option of that command? For example, I ...
0
votes
0answers
23 views

How to start lxsession from command line with proper user priviliges

I'm trying to achieve two things that I can not get to work because I don't know how to correctly start an lxsession in Lubuntu 14.04.2. I boot to the command line with the following line ...
7
votes
3answers
262 views

Pre-define colors for Terminal?

I was trying to remember how I could pre-define colors inside of .bashrc file so they could be called on when I do ${RED} for example. I can't remember if this was the right way of doing it, but it ...
0
votes
2answers
23 views

Use of “cp” command between root user's home and plain root

How do I use the "cp" command to copy files from root@pcname:/home/username # to root@pcname:~ # I have been able to use the "mv" command to move a file, but when I use "cp," it tells me that the ...
3
votes
1answer
27 views

Display 'cd' accessible path to mtp device in Nemo

Nemo displays path to mtp device like that: mtp://[usb:001,007]/ I want to be able to copy path from Nemo to terminal and cd there. Maybe it's possible even with this path while escaping some ...
0
votes
0answers
18 views

Unable to install ubuntu-14.04.2-desktop to VM

I downloaded ubuntu-14.04.2 to my documents in Windows 8.1 I then extracted the files and copyed them to my D:\ DVD drive, I then opened my VM Machine and I get a 2.0 Shell prompt ! What command do I ...
1
vote
3answers
54 views

How to check which shell am I using?

I read that terminal is nothing but shell. Then unix provide different flavors of shells: Bourne shell (sh) C shell (csh) TC shell (tcsh) Korn shell (ksh) Bourne Again shell (bash) When I open ...
0
votes
1answer
50 views

How do i write a terminal script to setup ubuntu for me instead of spending days every time?

From what I understand I can make a text file with all commands same as I would type in terminal, make it executable and run it. Would running sudo mysetup.sh or mysetup.txt be OK so not typing PW ...
0
votes
0answers
19 views

How to run an alias command with sudo [duplicate]

I created an alias called runmc that allows me to start up a java program. But I noticed that when I type in "sudo runmc" (It needs root access to work properly.), it will display "runmc: command not ...
0
votes
4answers
42 views

How would I create an alias to run a game? (Minecraft)

How would I accomplish this? I want to type in runmc to run the command java -jar /root/.minecraft/launcher.jar. I already put the following into my .bashrc file alias runmc ="java -jar ...
0
votes
0answers
14 views

Taking video and snapshots simultaneously using a webcam

I'm trying to do something fairly specific and I was wondering if anyone had some suggestions for ways to do it. I'm working on a program and for it I need an application to do the following ...
3
votes
1answer
49 views

How can I run a script when the power supply is plugged-in or -out?

For some reason, my laptop's screen brightness does not update when I plug-in or plug-out the power supply. I've looked at quite a few solutions for that problem, but none of them seemed to work well. ...
0
votes
2answers
25 views

Help reverting changes to GRUB

Okay, so I tried to use this fix for my blackscreen when going into tty command line sudo sed -i -e 's/#GRUB_TERMINAL/GRUB_TERMINAL/g' /etc/default/grub This did not fix it, but I found something ...
2
votes
1answer
51 views

Can there be two init processes?

I am new to Operating Systems (specifically Linux) and this is my first question here I want to ask, can there be two process with CMD = init (as given by ps - e command). I had two processes on my ...
0
votes
0answers
20 views

command to Close the Archive manager automatically [on hold]

I am trying to unzip the files from source folder and after unzipping them i want to put extracted files in the destination folder for that i am using below command x source folder -o destination ...
3
votes
2answers
70 views

How to stock all files with the same suffix into a table?

i'm making a little shell script and i want to stock all files with same suffix in a table. i want something like that : path=/home/user/Documents suffix="_suffix.txt" and then a function that ...
1
vote
1answer
62 views

Complete List of Terminal Commands and all their parameters [duplicate]

I was wondering if there was any complete guide to the Linux Terminal (don't mind buying a book or something), specifically, I want the list (or book) to do an A-Z of the commands with all their ...
0
votes
1answer
24 views

Can't get IPython to start: “ImportError: cannot import name start_ipython”

I'm trying to start IPython from the terminal. I input: ipython into the terminal and I get this output: Traceback (most recent call last): File "/usr/local/bin/ipython", line 4, in ...
4
votes
1answer
159 views

How to prevent output from '&' and '>' operator (send to background operator and redirection operator)

I have tried various combinations of gedit, &, >/dev/null 2>/dev/null. When gedit is used with the other two it always prints something to the terminal. I understand that the numbers are ...
3
votes
0answers
36 views

Terminal crashes when running lsblk -h [on hold]

Im currently running Ubuntu 14.04 LTS. In the desktop I open a terminal window and type: lsblk -h And the terminal crashes! lsblk on its own runs fine. lsblk --help also crashes the terminal. If I ...
0
votes
0answers
17 views

how to run “acpype” program?

If I want to open this program, I am giving "acpype" in the terminal and getting the following error: sslab1@sslab1-ThinkCentre-Edge72:~$ acpype bash: /usr/local/bin/acpype: Permission denied What ...
0
votes
0answers
17 views

How to install Sublime Text 2.0.2 on Ubuntu 14.10 [duplicate]

I have the latest version of sublime text → Sublime Text 2.0.2 x64.tar How can I install it on ubuntu 14.10 ? Thank you.
0
votes
0answers
12 views

LTSP Ubuntu thinks I'm a different user, but $USER and $HOME are correct

I am running an Ubuntu 14.04 system with the XFCE4 desktop as a fat LTSP client. Ubuntu seems to be under the impression that I'm a different user. When I go into the terminal, the \u portion of PS1 ...
0
votes
0answers
18 views

Executing C programs from HDD or PenDrive [duplicate]

So lately I've been in C programming. On trial and Error and Basis I tried Compiling(GCC) and Executing(./a.out) from my Windows' partition and Pen-drive i.e. precisely I tried executing on NTFS and ...
0
votes
1answer
17 views

--resizebyte: command not found [on hold]

I'm trying to resize my Ubuntu VirtualBox hard drive through my MacBook Air terminal and I'm having a bit of a problem. I used the command VBoxManage modifyhd <uuid>|/Users/(my ...
0
votes
0answers
22 views

How to Compress (More then one at a time) PDF files from terminal

I work with lots of rather large imaged documents ranging from a few bites to multiple gigs of data per file. I need these documents to take up less storage space and especially to be more ...
13
votes
1answer
639 views

How can I redirect what is shown on screen to a file?

I'm trying to view the content of a big file in Terminal by less command and I want to redirect the screen content(the content that currently I'm looking not the entire file, until I press the Q to ...
0
votes
0answers
31 views

ffmpeg not recognized

I am having a problem with ffmpeg. I had it installed and then installed 14.10. I reinstalled it, but I am getting this error message. Also, I went to this website ...
2
votes
1answer
34 views

LibreOffice command line font substitution at pptx to pdf conversion

Question Is there any way to specify to libreoffice, via commandline, to use Cambria for occurences of Calibri in the PDF generation without the need of any user-interaction? Context I am using ...
0
votes
0answers
30 views

Switch from terminal to graphic interface

I have a VPS running Ubuntu 14.10 and it has only a command line. I followed this tutorial to install a graphical interface . Then, after I connect to a VNC xrdp says login failed. I know my password ...
0
votes
1answer
40 views

Configure a command line to execute on log in [duplicate]

Every time I reboot my Ubuntu 14.10, my touchpad drive(synaptics) resets to default configuration. Is there a way to restore my sysclient settings after rebooting? Alternatively; how can I configure a ...
0
votes
2answers
27 views

How to copy and paste all text recovered in Terminal with `strings` command?

I want to recover text from a .doc file that wouldn't open in any text editors (msoffice word, libreoffice writer). I have found this answer saying to use a command like strings foo.doc | less ...
1
vote
0answers
31 views

Running Python script in Abaqus in Ubuntu

I am running a python script through the scripting interface in Abaqus. It's a basic script that writes a value from each element from the abaqus simulation into a a text file. The text file is then ...
0
votes
1answer
20 views

How to install ACPYPE and fix the error in Ubuntu 14.04?

I wanted to install acpype in ubuntu 14.04 and I followed the comments given in ubuntu program installation guide: I have followed the following commands. acpype go to the directory in which you ...