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

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2
votes
1answer
16 views

Remove list of files from different subfolders

I have a folder (call "folder"), composed of different subfolders ("subfolder1", "subfolder2",...). I would like to remove a list of files in all the subfolder of "folder", while some files are ...
1
vote
2answers
12 views

using wget to download xml for conky script won't keep html tags

So I'm trying to setup a conkyrc for weather, using the following script: #!/bin/bash station="KRAP.xml" wdir='/tmp/weather' update_xml() { if [ ! -e "$station" ]; then ...
1
vote
2answers
13 views

How to install tint2 on gnome

I am trying to install tint2 on my ubuntu-gnome 15. Here is what I have done: sudo sh -c "echo 'deb http://ppa.launchpad.net/killeroid/ppa/ubuntu jaunty main' >> /etc/apt/sources.list" sudo ...
2
votes
1answer
23 views

Copy/move a list of files to a new directory

I have an huge amount of files (e.g. 110011basz.dat, 110012basz.dat, 110013basz.dat,...) inside a folder, call folder. On the other hand I have a list related to the files I need to move to another ...
-3
votes
0answers
16 views

Error while syncing repo

The error I got is as follows : error: can not fetch platform/prebuilts/gcc/darwin-x86/mips/mipsel-linux-android-4.8
7
votes
2answers
521 views

Is there an easy way to log all activity that a shell script does?

Is there an easy way to log all activity that occurs from a shell script to a file? I have a script. It outputs things like echo "instructions", as well as other program output. I know the commands: ...
3
votes
2answers
780 views

How to roll-back a shell command once executed?

I would like to know if there is a way to roll-back shell commands : for example rolling back a rm -rf command.
2
votes
2answers
31 views

Installation of Skype for Ubuntu 14.04 x64 with Terminal

I'm new to Ubuntu and try to install the latest version of Skype from terminal windows. Can anybody help me please, How to do this?
0
votes
1answer
20 views

Problem with installation of LaTeXDraw!

I was using LaTexDraw 2, which I had got it form Ubuntu Software Center. As the functions were limited and I couldn't use math to label out, I searched and found this new 3.1 version. After ...
0
votes
0answers
4 views

how to send uart pakage and read them on Ubuntu terminal (CH340G USB to Serial)

i have CH340G i dont know if it need to get driver or not i connect it to a PIC micro controller which sent bytes via UART RX TX to the USB to serial CH340G ,so does any one has idea about how to ...
0
votes
2answers
39 views

Give user password in terminal through argument

I have created a python application in my Ubuntu machine which run commands to terminal. I would like when the program start to continue running as root. I know that to get a root terminal we use the ...
1
vote
0answers
13 views

gnome-terminal / mate-terminal don't save history on ~./bash_history

Two days ago I was using my computer as usual, when I noticed that the commands I used in mate-terminal were not saved in the history. I tried installing gnome-terminal. But it does the same. I was ...
0
votes
0answers
13 views

How do I install ALPS (Algorithms and Libraries for Physics Simulations) 2.2.b3 on Ubuntu 15.04

I have installed boost_1_58_0 in a directory: /home/acerv3-571g/boost_1_58_0 Then I so much tried to install ALPS (Algorithms and Libraries for Physics Simulations) step by step based on its ...
2
votes
4answers
93 views

how can I List files in order

I had an 18GB file I needed to download on a less than great Internet connection. Torrenting wasn't an option. So I busted up the file into 100 segments, and eventually, all of it downloaded. Now I ...
0
votes
0answers
26 views

cannot execute binary file: Exec format error [duplicate]

i´m new in ubuntu and i´m trying to install a program created by one of my professors, but when i try to start it, the terminal send me the message: bash: ../bin/cidre.exe: cannot execute binary ...
2
votes
1answer
26 views

How to log in to an internet provider with with a password and user name through terminal?

I have an account through a wire network internet provider - a person that have an internet LAN and share it with neighbours in exchange with money - every one of us have an account and a password , ...
0
votes
2answers
29 views

No Launcher at all, just blank desktop (with bg image) [duplicate]

So, okay, I've been using Ubuntu 12.04 and this just came out yesterday when the launcher disappeared. I cant right click on screen 'cause nothing happens, I can open TTY with ctrl+alt F1, F2 and so ...
1
vote
0answers
33 views

Running an installation routine of a third party programm on Ubuntu 14.04

Please help me with the following problem: I try to install a third party program install.bin that is from mime type application/octet-stream. Typing sudo ./install.bin; echo $? in the terminal - ...
0
votes
1answer
41 views

I accidently ran 'sudo chmod -R 775 /' and it completely broke my OS/Shell [duplicate]

So I accidentally did sudo chmod -R 775 / when I meant to do sudo chmod -R 775 ./. I quickly realized and hit Ctrl^C, but not in time to save everything. I realize this is a really stupid mistake and ...
1
vote
1answer
28 views

Bash script exiting when repeated in double click execution

This is my code #!/bin/bash function boo { function goo { echo "Please enter name" read name; echo "Hello $name" } function xoo { echo "Please ...
1
vote
2answers
44 views

How do I find and replace in file1 with values from file2

file1 O,tested test,12345 OC,test explore,34567 file2 O,new order OC,new quote I need an output like below: New order,tested test,12345 New quote,test explore,34567
4
votes
1answer
45 views

What does '*' mean in the output to 'history' command?

I was seeing my history when I found a line with a * whereas, in general, the history has an output without any * I noticed this for the first time. When does this * appear and why? EDIT: ...
0
votes
1answer
23 views

Refusing to create an empty archive

I have a problem with this command: su -c 'tar zcvf yourname.tar.gz/etc/var/' Here is the website for my class assignment. Some of these command do not work correctly. Help!
2
votes
1answer
31 views

watch cuts off ps aux output when piped

While working on a (Python) script which is of no consequence here, I have come across a very strange behavior involving watch and ps aux, when the latter is piped to something else. I have managed ...
4
votes
2answers
124 views

Terminal autocomplete functionality can only match from the beginning?

For example, if I type in "apt-"and press tab,I can find "apt-get" below.But if I type in "get", "apt-get" cannot appear. How can I do to match not only from the beginning?
1
vote
1answer
29 views

opening terminal without logging in

To install a driver, I need to not have x.org process running. I found that Ctrl+Alt+F1 … F7 is supposed to fix it, however F1-F6 brings my computer to an endless black screen, and F7 does absolutely ...
2
votes
2answers
326 views

Uncompress file from URL to hard disk?

How to uncompress directly from terminal if I have the URL of the file? For example : unzip www.test.com/test.zip destination-folder-on-my-pc
0
votes
1answer
39 views

What's the command to type a phrase?

I'm trying to bind a certain key combination that types my E-Mail. I want it so that when I press a certain key combination, it types a certain phrase (my E-Mail). Basically- I need a command that ...
1
vote
2answers
20 views

How to navigate to directory which file system object has just been moved to?

I often find when using mv somefile somepath I often need to go to the location which the file had just been moved to. basically mv somefile somepath && cd somepath is there a way to ...
0
votes
1answer
47 views

Can't install gksu. Says it can't find it

Can't install gksu every time I put in the command to install I get the same thing unable to locate package gksu any ideas
0
votes
0answers
28 views

Weird numbers and codes, help!

When I start my ubuntu computer, I see these options. "Ubuntu", "Ubuntu more settings", Memory test (memtest86+)", And Memory test (memtest86+, serial console 115200". When I press enter on the ...
0
votes
0answers
23 views

Is there a way to find out my SSD's controller from the terminal?

I tried using hdparm but I'm not seeing anything using the -I option that lists the controller that my SSD uses. Whether or not I can find the controller my SSD uses in its manual, I'd still like to ...
2
votes
0answers
44 views

Why the tar file is so big? [on hold]

I created a tar file of a directory. The directory is a few MBs big. The tar file has a size of more than 150 MBs!!! I created the tar file with the command: tar -cf <tar filename> ...
0
votes
0answers
7 views

NSFilter Service is not running, please go to Status : Services and start the service

I have properly installed NSFilter in PFsense and when trying to start it, a dialogue is coming saying that PFSense had been started but the status still remains inactive. Kindly Advice on this.
1
vote
1answer
13 views

How to use FQDN instead of just the host part at command prompt?

My current Ubuntu 14.04 command prompt is like username@host being the server FQDN host.domain.com but I want the command prompt be username@host.domain.com. How I can do that?
2
votes
2answers
170 views

What shows you the package you can install to get a command?

I have noticed on other Ubuntu machines when you don't have Maven and you try mvn it tells you to install maven or maven2. This does not happen on my xfce, how do I enable it?
0
votes
1answer
20 views

Issues installing SRILM (Ubuntu 14.04) [Solved]

I have been trying to install SRILM to use with Kaldi and have run into a particularly frustrating issue. To create a clear timeline of actions, here goes: I downloaded the tar.gz from the SRILM ...
2
votes
1answer
16 views

Node modules installed but not available

I am new to Linux environment and right now learning node.js Following the tutorial i installed node module express globally as shown in below screenshot But when i am trying to use express in ...
-1
votes
1answer
27 views

Can't delete a folder even with sudo su

I used the Ubuntu customization tool and the terminal stopped so I decided "Oh well, I'll just close it!". Now the 2 folders it made 'remaster-iso' and 'remaster-root' both have a lock sign on the ...
0
votes
0answers
12 views

fatal error is giving [closed]

#include <iostream> using namespace std; class A{ int l,w,h; public: void input() { cout <<"input"; cin >>l>>w>>h; } void calculate() ...
0
votes
1answer
38 views

How to run a web url script in a terminal

I am attempting to launch a script via my terminal. It runs fine in my browser but not in the terminal. Ive tried... sudo curl https://www.example.com/myscript?info=1 sudo wget -q -O- ...
1
vote
2answers
45 views

cli command to run keyboard shortcuts, e.g. Alt-F2

i want to use hot corner for run dialog window. what is the name and command of that tiny box (program) which is called when i press Alt-F2? This is cinnamon related question. for example, under lxde, ...
0
votes
1answer
25 views

Adding Android SDK platform-tools to PATH downloaded from umake

I am using Ubuntu 14.04 Trusty Tahr, and I downloaded Android Studio with the umake tool provided by Ubuntu. This downloaded Android Studio at /root/tools/android/android-studio, and ...
2
votes
1answer
29 views

Open new Mate-Terminal in home folder

I'm not sure if this is default behavior for mate-terminal. When I cd into a directory and then open a new terminal tab, it opens in the same folder. I'd like this to default to home instead of the ...
2
votes
3answers
90 views

Bash for loop - how can I include blank newlines? (IFS) [closed]

Please note this is pseudocode, and I am not trying to count lines this way, this question is to figure out how to include completely blank newlines in a for loop. cat file word word Since ...
0
votes
1answer
41 views

failing to install RVM while trying to install RoR

I am trying to install RoR on my system. I am following digital ocean's tutorial. While I try to install RVM \curl -L https://get.rvm.io | bash -s stable with this command I am getting the below ...
5
votes
2answers
46 views

How to get [TAB] to work with arguments of aliases to autocomplete as can be done with the actual command

I have many aliases that I created in my .bash_aliases file, and they are very useful, so if I want all info on a package I do something like: allinfo software-center And that does the equivalent ...
0
votes
3answers
42 views

Why does asterisk produce unexpected results?

I'm new to bash. From the Finding Files documentation: You want to find every file in ~/mydir and all its subdirectories, recursively, with a file extension of .htm (or .HTM or .Htm...) and delete ...
1
vote
1answer
41 views

What causes the changes in output of ps for GNOME Terminal in 15.04?

Working on this answer, I found out that the output of ps commands has quite changed in 15.04. A few examples in 14.04, the output of ps -e shows on gnome-terminal: $ ps -e 19006 ? 00:00:00 ...
0
votes
1answer
53 views

Where is terminal?

I have just installed Ubuntu on my mom's Chromebook. I've installed Firefox using xterm, why xterm? Because when I search, look on the app thing where bash home is, and press ctrl+alt+t, terminal is ...