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

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Ubuntu failed to start session on Mac Book Pro retina

I am running Ubuntu 14.04 on mac book pro retina and i was trying to set up gnome 3 as DTE. But when I tried to log out and log in the failed to start session message came up. When I try to access ...
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1answer
16 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.
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1answer
18 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 ...
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1answer
16 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 ...
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15 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 ...
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2answers
82 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 ...
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1answer
19 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
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1answer
23 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 ...
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0answers
14 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 ...
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3answers
49 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 ...
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1answer
43 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 ...
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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 ...
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4answers
41 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 ...
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0answers
12 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
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1answer
43 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. ...
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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
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1answer
49 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 ...
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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 ...
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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 ...
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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
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1answer
21 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 ...
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1answer
157 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 ...
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0answers
34 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 ...
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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 ...
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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.
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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 ...
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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 ...
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1answer
16 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 ...
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0answers
20 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 ...
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1answer
603 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 ...
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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
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1answer
30 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 ...
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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
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1answer
39 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 ...
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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 ...
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0answers
29 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
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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 ...
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0answers
27 views

Use metaflac to rename .flac files from flac tags recursively

I am trying to rename a bunch of songs using metaflac (sudo apt-get install flac) from their respective tags recursively, because I'm dealing with an unknown number of subfolders. Output should be: ...
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2answers
93 views

Recursively rename all files and folders to Title Case from terminal

I am a newbie and I have searched everywhere for this, I have also tried combining a lowercase renaming command with some regex to get Title Case instead of lowercase but I wasn't very successful. ...
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0answers
33 views

Ubuntu 10.04 - XAMPP status running but not able to execute files

I am a newbie in Ubuntu. I tried to start XAMPP automatically using the below url start XAMPP automatically I have started xampp services using the following command. sudo /opt/lampp/lampp start ...
0
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1answer
72 views

How to install Netbeans 8.0.2 on ubuntu 14.x

I have netbeans downloaded from the netbeans.org site. This is the file name → netbeans-8.0.2-linux.sh I dont know how to install it on ubuntu 14.10 Is there any one can help me install netbeans on ...
3
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3answers
204 views

How to find and replace a string by increasing its numerical part?

My input file is, ami21 ami65 ami67 ami66 ami88 ami76 ami29 ami55 ami54 ami32 Using a single command line I need the output as, ami22 ami66 ami68 ami67 ami89 ami77 ami30 ami56 ami55 ami33 I ...
3
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2answers
893 views

What is the difference in running script with ./

What is the difference between running the script by calling directly its name and calling the script by adding a with prefix of './' . I can't find any difference in run time.
2
votes
1answer
272 views

removing files older than 7 day

I write below command to delete all files that are older than 7 days, but it doesn't work: find /media/bkfolder/ -mtime +7 -name'*.gz' -exec rm {} \; How can I remove these file?
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21 views

Check whatever current user has an active login

I want to check whatever current user (user that launched program) has an active login (is access not blocked by login panel?). How can I do this? For reference - as there is no program as described ...
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vote
1answer
65 views

In the command line prompt, how do I show the full home path instead of the tilde (~)? [on hold]

In the terminal prompt, how do I get to see the full path of the home directory? That is, from root@pcname:~ # to root@pcname:/home/username #
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0answers
23 views

GUI login problem in Ubuntu 14.04/ Doesn't recognize sudo in virtual console [on hold]

My problem is similar to these: Ubuntu gets stuck in a Login Loop GUI login problems in Ubuntu 14.04LTS However, there is are additional complications for me. When I switch to virtual console ...
0
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1answer
16 views

Yakuake refusing to open

For some reason after the first time I restarted Yakuake seems to be absolutely dead... The F12 key now only seems to select and deselect my current application. I have tried reinstalling it from the ...
0
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1answer
40 views

Excluding hidden files in locate

We have a Ubuntu NAS sharing SMB and Netatalk with some Macs and I often use locate to find my files. Unfortunately since installing Netatalk it has written tons of .AppleDouble cache files to share ...
4
votes
1answer
72 views

How to control Graphical programs from terminal?

I am trying to control Inkscape program from terminal; for example, I want to open the File menu, Edit menu or Extensions menu in Inkscape from the terminal without the need to click on the menu from ...