Bash is the shell used in Ubuntu's command-line interface.

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“Syntax error: Unterminated quoted string”

I am trying to use a backup script that will backup my sql database and website files. I am running Ubuntu 12.04 32 bit version and zPanel. Here is what my DB structure is along with which DB I want ...
1
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1answer
515 views

Bash script for multiple tabs program running

I have the following bash script code to open multiple session of a python script with different input argument in different terminal tabs. #!/bin/bash cd /home/me/experiment tab=" --tab-with-...
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0answers
401 views

Shell command not asking for password inside while loop [closed]

I am trying to run .sh file to put certificate via keytool command in every jre/lib/security/cacert file described in ~/.java/deployment/deployment.properties file. #!/bin/bash PATTERN=deployment\....
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1answer
1k views

Bash script that opens multiple netcat instances and exits them

I am trying to create a script that opens up multiple gnome-terminals and opens a netcat connection. After a couple seconds I would like the terminals to close. I am at a loss and I believe it can't ...
0
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1answer
66 views

combine multible commands in one run one of them is find

I want in one line a command to use find to get a file name from a txt file , search for it , and play it then after closing the video I need to run a certain script I managed the first part but ...
1
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1answer
1k views

Why won't this php script execute bash script?

Why am I not able to execute this bash script using php? I have tried exec() as well as shell_exec(). index.php <?php $old = getcwd(); echo $old; chdir($old); $message=exec("a.sh"); print_r($...
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2answers
297 views

gnome-terminal profile without bash history

I'm trying to create a profile in gnome-terminal that doesn't store bash history. The easiest way to do that is to run export HISTIGNORE="*", but there is one problem, gome-terminal is executing ...
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2answers
2k views

Why isn't one 'bash' command working at startup

I am working on a VM with Lubuntu 14.04, I have created a script a.sh, #!bin/bash echo "aaaa" >> a.txt And my /etc/rc.local file is as follows: #!/bin/sh -e # # rc.local # # This script is ...
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4answers
114 views

How to arrange this file properly?

I'd prefer to edit TestFile in place to get the desired output. How could I do this? This is a work box so I'd prefer to not have to install additional packages. TestFile: randomcollege-nt\jsmith90 ...
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3answers
40k views

How to kill a script running in terminal, without closing terminal (Ctrl + C doesn't work)?

I have written a bash script that calls several other programs and executes a bunch of commands. I run this script from the terminal. Now I want to kill the script. Pressing Ctrl + C sometimes doesn'...
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1answer
591 views

Run pkill without sudo permission

I want to run pkill like below. sudo pkill -u 11002 I cannot give sudo password multiple times, so I want to run pkill without sudo user. For this i copied pkill to home as named bkill, and then i ...
0
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1answer
976 views

Script that ssh to remote host enters pass and executes a command?

Is it possible to make a script that ssh to remote host, enters the passwords to log-in and then executes at least 1 command on the remote machine?
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1answer
97 views

Question about something appearing in my Terminal

After I moved from Windows to Ubuntu I liked to try out every new app I found so I decided to install Betty (a Siri like alternative for Ubuntu). I used the PPA given by Webupd8 site and the last ...
1
vote
1answer
281 views

Prevent *buntu from updating dictionaries during install

In utilizing Vagrant to install an Ubuntu server box with a GUI (lxde), the shell provisioning fails due to what seems to be a frequent issue when setting up dictionaries. The resolutions seem to all ...
-1
votes
1answer
150 views

is source code for bash sufficient, when I want source code of ext4?

when I want to know the source code of ext4-filesystem (mkfs.ext4) - is it then sufficient to download the source code for bash ? - or do I need else source-codes after I did : sudo apt-get ...
0
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1answer
579 views

awk: runaway regular expression

I can run command on ubuntu: free | grep Mem | awk '{print $3/$2 * 100.0}' And get result: 20.1092 But when I try to put it in alias: alias memTotal="free | grep Mem | awk '{print $3/$2 * 100.0}...
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1answer
95 views

Paging standard out using 'more', and piping to syslog

I've implemented a wrapper script which causes all commands executed via this wrapper script to log (via rsyslog) things such as the execution time, the user that ran the command, and the exit code. ...
2
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2answers
3k views

Bash tries to run python on unknown command and fails in Py_Initialize

Running Ubuntu 14.04 and updater says that all software is up to date. Have tried rebooting. I am preparing for a class that uses Python. I have installed it and it works fine. However, I now have ...
0
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1answer
564 views

Getting “no such file or directory” bash error when trying to compile a file

I have already checked out the many similar questions on this website, but I keep getting this error when trying to run my program conversion.cpp with ./conversion. The program is here: (i can't ...
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2answers
3k views

.desktop file doesn't execute a script, works fine when run by hand

I am having problems with my .desktop files. I have a shell script that constantly watches for a file to be put into the "Downloads" folder. When a file is put into the folder it automatically ...
0
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1answer
339 views

How to run correctly bash script from another script?

I want to run sqldeveloper on Ubuntu Gnome 14.04. I created some symbolic link and tried to call from one script file another. And it fail with message: /usr/local/bin/sqldeveloper: line 2: cd:...
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1answer
2k views

How to get PID of shell running in a terminal window under mouse?

Though similar questions asked before in this forum here , here and here, my question is different. I want to get PID of a running bash process in gnome terminal. Note: Suggested link which posted ...
2
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2answers
603 views

Autostart program whenever a file is added to a folder

I have Lubuntu 14.04 LTS on my laptop for a few weeks now. I have been working on customizing the OS and such quite a bit, as well as installing everything that I need for daily usage. One thing I did ...
0
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1answer
414 views

Writing a bash script to execute/automate install of drivers

i'm trying to write a script to automate the install of TV card drivers (for some reason i have to re-install after each ubuntu update). Would this work? I've tried it but it doesn't look like it's ...
1
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1answer
173 views

Desktop shortcut doesn't work for script but script work fine

#!/bin/bash/ ls -1 *.mp3 > playlist.m3u for (( ; ; )) do mplayer -playlist playlist.m3u; sleep 0.1; done This is the script and it works ! [Desktop Entry] Version=1.0 Type=Application Name=Play ...
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votes
2answers
697 views

How do I get `tr` command to ignore newline?

I want to replace multiple spaces by a single space. I am using tr to do this. But it is also replacing new line with a space. How can I avoid it? Code: tr -s [:space:] ' ' Input: He llo Wor ld ...
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2answers
516 views

Why do I get different outputs in case of sh and bash?

I have the following simple script: #!/bin/bash echo "Bash version ${BASH_VERSION}..." for i in {1..99..2} do echo $i done Output in case I run with sh file.sh: Bash version ... {1..99..2} ...
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1answer
278 views

BASH script for extracting archives - how to make the script ask for folder destination?

I've started using the bash script below, for unpacking archives. How would I go about making the script ask if I would like to specify a folder, or just use the default folder to extract to? I'd ...
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2answers
4k views

Changing environment variables

I just changed my /etc/environment file to: M2_HOME=/usr/local/apache-maven/apache-maven-3.1.1 M2=$M2_HOME/bin PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/...
2
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3answers
10k views

How to get a colored bash?

How to get the bash colored like this?
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2answers
52 views

in a file match a stringa and print lines matching another stringb

Basically , i have a large file with more than 5000 lines in the following format Below snip given two blocks of the entire file. What i need is to search for given String name (eg: abcd etc) , and ...
0
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1answer
59 views

Redirect input from file

I'm writing a script (TEST.sh) that must run another script (TASK.sh)... Task.sh need two input... so I was thinking to redirect input from a file (I need to automize everything)... So, I was using ...
5
votes
1answer
524 views

Way of receiving alerts on login attempts, whether successful or not?

I believe my linux machine to be reasonably protected from external login. But since I am mildy paranoid, I would like to be alerted when there is a login attempt made to the server, whether ...
2
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2answers
711 views

Automatic screen capture script

I'm looking to accomlish exactly what Anwar Shah describes here Bash script to take screenshot and save the image - Ubuntu with the added functionality of setting a time increment for the script to ...
0
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1answer
354 views

Convert fb2 to txt

There are still a lot of devices that can't read fb2 and able to read txt. Also, txt version could take much less space compared to uncompressed fb2.
0
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1answer
150 views

Is sim a shell script command?

I was creating a sym-link for practice in Ubuntu 14.04. I meant to use this command: ln -s ../fun dir1/fun-sym It was taken from a book I am using. Except I used sim at the end by mistake. So the ...
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2answers
1k views

setting up a script to rotate scren Lenovo Yoga Thinkpad S1

I am trying to set up a Lenovo Yoga Thinkpad S1 to rotate the screen with the touch of a button but I am having a little trouble with the script that actually does the work. I have found the scripts ...
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1answer
337 views

How to disable notifications sound while XBMC is runnig?

I would like to know if it's possible to disable notification using XBMC (mails, network etc). I'm using Kubuntu 14.04.1. I've found this command but the script doesn't work, the sound is re-enabled ...
2
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1answer
1k views

Slow bash tab completion

My bash shell's tab completion is very slow, usually taking 1-2 seconds per completion. This only seems to happen when I'm using my laptop from work. Tab completion is very speedy when using my laptop ...
0
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1answer
446 views

Simple bash script not working

I'm pretty new to bash scripting. I'm trying to make a script to export the http_proxy variables. This is what I do from the terminal: $export http_proxy=http://proxy21.iitd.ernet.in:3128/ $export ...
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1answer
2k views

run bash script from another script and redirect its output

Hi everyone I have to do a program.. I'll be really concise to explain it... And hat I've already done and what i have to do... Simply, I have to do a "simulator" in Bash that run exercises of ...
0
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2answers
66 views

End script and restart it with the same options and arguments

Usually !! repeats the last given command. But it doesn’t seem to work in a bash script. Is there a way to end a script and repeat it with the exact same options and arguments given the last time? ...
0
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1answer
49 views

problem occuring while creating .exe file

I'm trying to run test problem in the mfix but got struck with an error sh: 0: Can't open ../../model/make_mfix. bhaskar@admin2-Precision-T7600:~/mfix/run/tests/Added_Mass$ sh ../../model/make_mfix ...
0
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1answer
1k views

Run terminal command (python command) at start up [duplicate]

New to Ubuntu, but have looked everywhere to get this question answered. Found no solution so far. Basically I need to run two terminal commands on startup, which follow each other directly. This will ...
0
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1answer
86 views

Same program, different version, in different locations…how to specify which to use?

Hi all I'm trying to run a program called cufflinks on my machine, however there appears to be a version of this in multiple places on my existing system. For example when I typed whereis cufflinks ...
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1answer
1k views

Home files and folders permissions could not be determined

I was trying to create a default configuration file for activemq with the command sudo ./activemq setup [ /etc/default/activemq | /home/leo/.activemqrc ]` Then recieved this message: INFO: It's ...
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2answers
1k views

How do I open an URL from a bash script?

I have a simple script to start a node.js webserver and open the URL in a browser. However the last part doesn't seem to work, it wont open the URL in a browser (or anywhere else). This is the code I ...
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8answers
50k views

How to compare two files

So basically what I want to do is compare two file by line by column 2. How could I accomplish this? File_1.txt: User1 US User2 US User3 US File_2.txt: User1 US User2 US User3 NG Output_File: ...
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0answers
31 views

How to rename various file extension into an extension [duplicate]

I have many files in a directory with various extension (files.txt, files.html, files.jpg, etc). I need to change all the extension of these files into an extension (files.ext.backup). So, I will ...
3
votes
1answer
2k views

Terminal flashing between current and previous screen

I just upgraded from Ubuntu 12.04 to 14.04. After upgrading the terminal will sometimes, but not always, flash between the current screen and the previous screen. Here are some examples: The output ...