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

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Bash script works from command line, but not if started by upstart

I have a script that listens on port 12 and invokes xbmc when receiving a wol packet. It works perfectly fine when I launch the script directly from the command line, but nothing happens when I let ...
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99 views

Bash History Search (CTRL+R) in Ubuntu Suggestions?

Is there an extension of some kind which ties Bash's history search (which you get with CTRL+R in a terminal) into the Ubuntu search suggestions generated when searching via the Windows key (in ...
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87 views

Upstart and process substitution

So I want to use the following in my script stanza: forever -l >(tee $QW_LOG_DIR/webserver.log | logger -p user.info -t '[QW]') start webserver.js However, that won't work because: That's bash ...
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1k views

Generating a single LaTeX file by merging different LaTeX files

I have a main LaTeX file which inputs many other LaTeX files i.e. for example \documentclass{article} \begin{document} \input{input1.tex} \input{./Input_folder_1/input2.tex} \input{input3.tex} ...
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318 views

msmtp not working?

I was trying to send mail from bash, but it doesn't work and I can't find the reason... So my .msmtprc file is account default host smtp.gmail.com port 587 from account@gmail.com tls on tls_starttls ...
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49 views

How to have a video player resume from where I last left off?

I'd like to be able to launch a video player (VLC, SMPlayer) via Terminal, using some command like resume_media and then it will automatically find the most recently played media file (.mkv, mp4 etc.) ...
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84 views

How do I force nmcli to reconnect to different uuid?

I have a bash script that checks my network environment and mounts shares accordingly. If I'm at work and have a hard-wire connection to the LAN, then I'd like to activate a hotspot connection for ...
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223 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 ...
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63 views

Can I set up a cron job on Ubuntu Phone

I've been looking around, and can't find if Ubuntu Touch can run cron. So my question is: Can it? Also does it have a standard set of bash utils installed?
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889 views

How can I create an X server that has a backing store?

So I am completely new to Ubuntu (I am running 12.04 on a Toshiba Satellite). I am trying to remotely access my work computer but I keep getting an error reading: "xevas: requires a X server that ...
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667 views

Why doesn't duply work when set as a cron job?

I have a problem with a cron job which starts but doesn't complete. Running the command manually works fine. I already read the page about cron issues and solutions here on AskUbuntu, tried the ...
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20 views

Can simple scripts use GUI file manager to select file?

I have an extremely simple script that currently executes a command on a file located in the same folder: command ./file_in_folder option output. It would be better if script asks user which file they ...
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28 views

Desktop Environments Incorrect After SLiM Install

I am working on making an automated install based off of Lubuntu using Debian Installer so that the install is as automated as possible (a few inputs at the very beginning). So far I am mostly pleased ...
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25 views

Errors in update checking script (cause: repositories not available)

I have a scripts that tests if updates on my 14.04 server are available, and send me a text message if that happens. The bash script begins with: IFS=';' read updates security_updates < ...
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26 views

How to terminate server process?

I just created automation sending an email using a shell script, but it always running and send me an email every sec to my email. I'm using PID and that process name to terminate it, I'm writing ...
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56 views

$DISPLAY env var gets cleared at random times

Stock Ubuntu 14.04 Trusty. I seem to regularly experience the $DISPLAY environment variable getting cleared for some reason I don't understand. Basically everything will work just fine until it's ...
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27 views

Change content of list in app indicator made using cappind

I made a simple indicator using cappind script which is based on zenity - Webupd8 article Capind page I want to change the text of the list according to some condition.. Like, if the contents are - ...
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51 views

pdsh works well standalone, but doesn't work in script

I am trying to install hadoop via script on my small cluster [introduced in the book: Apache Hadoop Yarn]. I have set up ssh connect without password, and pdsh&pdcp are all fine if I use it alone. ...
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116 views

Unable to reproduce the ShellShock bug locally

I have been trying to reproduce the Shellshock bug on my local 14.04 Ubuntu VM without any luck. I know my local bash version is still vulnerable because the following command prints out the commented ...
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141 views

Synaptic Package Manager -E-“cache open”, E - Default-Release not available

In an attempt to re-install Bash I tried to open Synaptic Package Manager but got this message E: The value 'precise-updates' is invalid for APT::Default-Release as such a release is not available in ...
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121 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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144 views

How can I draw selection rectangle on screen for my script?

I am trying to make a simple screencasting bash script. I want to get screen selection coordinates by drawing a red rectangle with mouse. I can use xdotools to get coordinates but how can I draw ...
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261 views

Can you use gnome keyring in bash script, if yes then how?

I am developing a automated mounting script for Windows shares. I have finished the script and it works just fine, but is it possible to add Gnome Keyring to the bash so once user writes hes/hers ...
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51 views

On Trusty, what is CL program to create desktop configuration file?

On Precise, I used to create a desktop configuration file with my own GUI wrapper which called the gnome-desktop-item-edit command line program (part of the gnome-panel package) which had the ...
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188 views

Why is netcat remote shell not returning any output on ubuntu 12.04?

I'm connecting to a server I have on my laptop, both are on the same vmnet and both systems are Ubuntu 12.04 LTS. In order to connect I use reverse shell from the web sever. First I start listening ...
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110 views

How To Set FQDN From Bash Script

Is it possible to set the fully qualified domain name from a bash script? I am using Ubuntu 12.04 LTS. I have an autoscaling group on Amazon and I am using Puppet for configuration. For example, I ...
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132 views

getting problem while executing ./bootstrap

bootstrap file content : !/usr/bin/env bash # The contents of this file are subject to the MonetDB Public License # Version 1.1 (the "License"); you may not use this file except in # compliance with ...
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209 views

Problem with characters encoding in bash in 12.04 new install?

I just installed Ubuntu 12.04.4 64 bits, all seemed to be ok, when I started to work on console I noticed: that I couldn't get some accented characters typed in to the console, for example, if I ...
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316 views

Cronjob for MySQL Backup Bash Script Not Running

I am trying to backup many MySQL Databases on a daily basis into a Single ZIP. The bash script works fine by itself (ran in normal environment), but when the Cronjob takes over it does not run. Infact ...
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78 views

Matlab compilation returning an error when run

After putting in numerous hours, I felt ready to run my code on my friend's high end computer. I compiled my application (named Zeta). However, when I entered: sh '/home/nicbit/Desktop/run_Zeta.sh' ...
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76 views

Login errors in .bashrc in 13.04

I just upgraded to 13.04, and suddenly I get xsession errors in my .bashrc on login. There is nothing wrong with the .bashrc file--I can source it from a terminal login, and after I get into the ...
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58 views

Mutiple music player play pause toggle problem

In my setup I use xfce. xfce does not have any method to control the playing and pausing of music players, so I wrote my own script to control the play\pause, next, and previous commands. The problem ...
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248 views

javac cannot found, even after adding non-standart path to it in $PATH

Ubuntu 12.10, 32bit Problem too damn simple: I have a NTFS partition and unpacked from .tar.gz jdk on it. All I need from bash, is to see javac compiler, that is located in directory ...
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95 views

How to change bash title in a python virtual environment

I would like to know how to change the bash title modifying the configuration files. I often program in Python and use virtualenv to keep my development environment separated from the system-wide ...
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61 views

editing youtube video description, titles through terminal

Is there a way to edit youtube video description and title/tags through terminal? If so, then how to do it? unfortunately, googlecl does not have such function yet.
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11 views

Batch processing folders with Find and Montage

So I've been working at this for a while and I think I'm ready to give up. I trying to process sub-folders with Montage to create contact sheets. This is basically as close as I've gotten: find ...
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Why does this fail to make my postfix configuration step non-interactive?

I have a bash script to automate configuration of new Ubuntu systems. It works, except that postfix's process installation persists in bringing up a menu-based interface. I followed the answer given ...
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15 views

How to start CAESES free?

I have downloaded the program CAESES free on my Ubuntu 14.04.1 LTS and unpacked it into the folder /home/xyz/Programy/CAESES-FFW_3.1.2_Linux.x86_64. The program developer proposes to use the bash for ...
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Bash Tab Autocomplete Not Listing Matches

I've found questions detailing this problem or a similar problem but none of their solutions have worked for me. On another box (RHEL some version) I've the ability to tab-complete with a wildcard ...
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28 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' > ...
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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 ...
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26 views

how do i achieve executing a python script ON TERMINAL via a shell script in nautilus folder by the right-click>Script way?

Using nautilus i am writing a script which will run the python script which invoked it. So to run a python script i just need to right-click on it>goto scripts>select appropriate script and it will ...
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30 views

Bash puts ':' after each command

I updated my bash_aliases from another system I own, and now, I have found the following problem: If I use a command, bash put : after each command and alias. Why? What can cause this problem? In ...
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20 views

Pulseaudio increase volume above 100% per channel

I'm using a bash script to start kodi (aka xbmc) in Ubuntu. The script adjusts the volume per channel for my 5.1 sound system: amixer -D pulse sset Master 90% amixer -D pulse sset 'Master' ...
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24 views

the command argument is not passed to /bin/sh in popen

Here is a scenario where I use popen as FILE* stream = popen("Root", "r"); As per my understanding the Root argument will be passed to /bin/sh and interpretation is done. In my case, Root should be ...
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Ubuntu server VM install has limited bash functionality

I installed Ubuntu Server 14.04 in a VM and I selected the VM option during installation since my host has limited memory. I accepted the fact that most features will be disabled in such a system for ...
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38 views

How to get paths for default theme icons folders?

I have a desktop file, for Icon i set it to myIconName. Now I have multiple sized PNGs for my icon. I need to find the paths to the default theme icon folders, cross-OS-Linux solution, so I can drop ...
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64 views

Increasing ALSA's buffer size

I'm trying to change ALSA's original buffer size, in order to increase it. Until now, I had no luck. I've tried to execute the commands listed in http://pastebin.com/4FibYN0U, however,I don't have ...
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30 views

Change iface when internet is slow bash script

Need help with script that will change eth1 or eth2 ( to auto set different route ). I have eth0 that is shared to lan and two different gateways (routers), one on eth1 and second on eth2. For now ...
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75 views

Bash script is not working. Could somebody help me?

E: Hi, i could use some help. I am sorry that some parts of the bash are in german. There are sure some mistakes in there but i can not find them i tried severel hours right now. I would be happy if ...