Tagged Questions

1
vote
0answers
69 views

Creating a terminal application from a shell script

I have a shell script. I want to convert the shell script to an application for Ubuntu which can be installed using (sudo apt-get install) command and after installing, the application can run from ...
2
votes
1answer
59 views

What can cause a .sh file to not launch through this type of install?

I am using an Ubuntu 12.10/Gnome3 and was setting up PhpStorm using this tutorial http://devnet.jetbrains.com/thread/439389 The process involved copy/pasting the files into usr/local/PhpStorm-** (with ...
1
vote
2answers
366 views

How can I switch between different audio output hardware using the shell?

I use my laptop with an external monitor which has speakers. When the monitor is attached through HDMI I can switch (using the GUI: Sound Setting --> Hardware) between the normal laptop audio output ...
2
votes
2answers
89 views

Are any files loaded when a terminal session terminates?

I know that .profile / .bash_profile are loaded when a terminal session is started, either through local machine or SSH. Are there any files that are loaded/called when the session terminates? ...
2
votes
1answer
448 views

“[sdc] Assuming drive cache: write through” Need to hide this message!

When you plug an external drive into my Ubuntu server this message pops up "[sdc] Assuming drive cache: write through"... I would really like it so it stops sending it to the screen. Any ideas on how ...
2
votes
1answer
270 views

Execution time of pi calculation in shell scripts

I have to run a couple of command lines on a shell script on Ubuntu, one of those is a pi calculation. It works fine when i run it on terminal via the following cmd line: time echo ...
2
votes
1answer
215 views

Xubuntu 12.04: slow login

I'm running Xubuntu 12.04, and after I ran the update, my login started slowing down big time. I've dabbled a little bit with the programs in Settings -> Settings Manager -> Session and Startup, and ...
7
votes
3answers
3k views

Shell script fails: Syntax error: “(” unexpected

I've been working on a script that automates setting up a development environment for Raspberry Pi development (step by step details that work are here). The script is linked in that article but ...
2
votes
3answers
3k views

Automating textual input from a bash script without using EOF

I'm running Ubuntu Linux. Suppose there is a program called myprogram. This program prompts the user for input; specifically, the user must type an integer when prompted and press Enter. I would ...
1
vote
4answers
872 views

Change password in headless mode

I am building a script to fully automate a VPS setup, and I need to change the root password. I would like to avoid typing it as the script is running through SSH. Is there a way to redirect an ...
0
votes
0answers
121 views

Run two shell file with thread [closed]

How i can run two file shell in parallel and do not shared the same jvm. may be i use thread but how i run two file shell bu two thread ? File 1: #!/bin/bash # # Script for running several ...
-1
votes
2answers
1k views

clear tmpfs in my case

I am on a Ubuntu machine. I have make a directory under root directory, by: $ sudo mkdir /hello $ sudo mkdir /hello/bye Then I mount tmpfs with size 1024M to /hello/bye by: $ sudo echo "tmpfs ...
0
votes
3answers
124 views

Transferring access privileges from root to regular user

I log in to Ubuntu with the username student. There are some directories only the root user is allowed to access, for example /var/lib/mysql, (I know I can use sudo to access it but it is not what I ...
2
votes
2answers
191 views

How to execute script on logging out?

I'm reading The Unix Programming Environment. There is an exercise question to print how much CPU time you have consumed when you log off by editing .profile. I tried with this trap 'times' 0 1 2 15 ...
9
votes
3answers
1k views

Why don't my arrow keys work in sh?

I recently installed Ubuntu and when I run sh on the Terminal my arrow keys don't work so I can't go through my call history or edit whatever I'm typing. It just comes out as weird characters like ...
4
votes
2answers
285 views

Should I be using 'sudo' in scripts that I write?

I'm setting up a new machine (well actually, an Ubuntu VM) and am trying to write a script to setup a few common things that I use when doing this (Git, curl, vim + janus). So my script looks a bit ...
1
vote
0answers
95 views

Seeking command-line example for adding images to MP3 files [duplicate]

Possible Duplicate: Searching for a command line tagging tool for mp3 and ogg that supports pictures Anyone have a command-line example illustrating how to properly embed an image (for ...
1
vote
1answer
95 views

Return Carriage not working (Screen)

When I execute the command screen -S myscreen -X stuff $'search add $1 \015' from a shell it works perfectly. If I put it in a .sh file and run it as sh /test.sh variablehere it sends it to screen as ...
5
votes
1answer
507 views

How to determine if disk is compact flash or standard hard drive

I need to determine in a shell script if a given block device (e.g. /dev/sda) is a compact flash disk or a regular hard drive. Google did not help me out for once, and while udevadm info --query=all ...
0
votes
4answers
783 views

Copy a directory to external HDD

I'm trying to copy a directory to external HDD- i mounted the device and then typed : cd root tar -cf - * | (cd /mnt ; tar -xpf -) I got this error message: "cowardly refusing to create an empty ...
12
votes
4answers
6k views

How can I play a sound when script execution is ready?

I am executing every now and then some python scripts which take quite long to execute. I execute them like this: $ time python MyScript.py How can I play a sound as soon as the execution of the ...
5
votes
1answer
555 views

Why root's default shell is configured differently with other normal user account's default shell?

As I know, root's default shell is configured csh and normal user's default shell is sh in FreeBSD. And in Ubuntu, root is dash, normal user is bash. (refer: What's the Ubuntu's default shell?) Why ...
12
votes
3answers
3k views

bulk rename (or correctly display) files with special characters

I have a bunch of directories and subdirectories that contain files with special characters, like this file: robbie@phil:~$ ls test�sktest.txt test?sktest.txt Find reveals an escape sequence: ...
28
votes
11answers
20k views

How can I get distribution name and version number in a simple shell script?

I'm working on a simple bash script that should be able to run on Ubuntu and CentOS distributions (support for Debian and Fedora/RHEL would be a plus) and I need to know the name and version of the ...
2
votes
4answers
1k views

Shell script error message

I am trying to learn shell scripting by reading linuxcommand.org. For some reason I keep getting the error "Not Found", even though it runs all the commands. The error codes I get are: ...