Tagged Questions
2
votes
2answers
51 views
Strange crontab-script interaction (bash)
I'm running Ubuntu 12.04 and bash. I've written a pair of shell scripts that allow me to set an alarm which, after ringing, unsets itself. The first, alarmset, allows me to enter a time and modifies ...
0
votes
1answer
89 views
explanation of the output's command “ifconfig ppp0”
I'm trying to understand the meaning the output of the command:
ifconfig ppp0
Note that i'm using an internet-usb-board and so i'm sure that ppp0 interface is associated to it. In particular i have ...
2
votes
1answer
76 views
How to implement package install suggestion on Debian?
I have noticed that while on Ubuntu, if I type the following:
mc
and it isnt installed, I get the message below:
The program 'mc' is currently not installed. You can install it by typing: sudo ...
2
votes
1answer
152 views
How to execute a shellscript when I plug-in a USB-device
I want to execute a script when I plug in a device in my Linux machine. For example, run xinput on mouse or a backupscript on a certain drive.
I have seen a lot of articles on this, most recently ...
1
vote
1answer
124 views
bash autocomplete not working, does not 'complete'
I my bashrc. I have a bash completion for the command scp implemented as follows
function _scp_complete
{
COMPREPLY=""
COMPREPLY+=( $(cat ~/.ssh_complete ) )
COMPREPLY+=( $( find . ! -name . ...
1
vote
2answers
8k views
Auto running bash script on login
I wanted to make a script which ran automatically on login so I put it into the file ~/bash.profile, but it didnt run. When I put it in bashrc, it ran on opening a terminal.
What I was doing in the ...
3
votes
1answer
75 views
Issue when setting a default path in BASH
I have a BASH scripting question. I'd like the mention that I am new to BASH scripting; however, I am not new to programming. I am developing a simple BASH script to watch a given compass project. My ...
3
votes
3answers
1k views
How to /dev/null background processes “informational” output?
[USER@SERVER ~] sleep 3 &
[1] 5232
[USER@SERVER ~]
[1]+ Done sleep 3
[USER@SERVER ~]
How do I /dev/null these two messages?:
[1] 5232
[1]+ Done sleep ...
7
votes
3answers
2k 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
168 views
How to start subsequent shells as root?
I run my local testing server inside a VM. I often have to open up multiple windows in it, and all have to be logged in root. Usually this is accomplished by writing su on every tab, a total of 7-8 ...
2
votes
2answers
88 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?
...
3
votes
1answer
147 views
Display a right-click menu using a shell script
Is it possible to display a right-click menu using a shell script (or some kind of Unix command?) I'm trying to find a program that can be used to display a context menu at a specific location on the ...
5
votes
2answers
515 views
Will I be able to build LFS using dash and mawk?
I decided that I want to learn more about Linux and try building LFS. I'm using Ubuntu 11.04 as host system and Ubuntu uses dash and mawk by default. I've changed mawk to gawk, but considering that ...
1
vote
2answers
159 views
Lost ls directory highlighting after a crash
Normally commands such as ls and grep offer nice syntax highlighting for me. But my system crashed (running an ubuntu VM) and after I restarted, I no longer have this highlighting, it's all a dreary ...
3
votes
0answers
97 views
tab-expansion and “./” bash shell [closed]
Maybe someone here would be able to help me out. Have installed Ubuntu 12.04 LTS (kubuntu) on two machines. The .bashrc and .bash_profile files are identical as the file structures on each machine is ...
2
votes
2answers
1k views
Minecraft server daily restart script
I've been searching to try to find the information I need, but I have so far been unsuccessful.
What I would like to have happen daily is the following:
Every time the machine starts, the Minecraft ...
2
votes
3answers
2k 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
2answers
2k views
SSH + Sudo + Expect in Bash script: Run command with sudo in remote machine
I am trying to automate the deploy of some .deb packages with an script. I want to execute sudo dpkg -i $myDeb.deb in a list of remote machines I can access with ssh.
I've tried to automate the ...
0
votes
2answers
751 views
How can I rename all files in the current directory having a particular extension to another extension? [duplicate]
Possible Duplicate:
Renaming multiple files (changing extension)
Suppose that in my current/working directory I have five files:
file1.xvg
file2.xvg
file3.xvg
file1.eps
file2.eps
Is ...
2
votes
3answers
2k views
How can I check if mysql is installed using a bash script?
I need to check if mysql is installed from within a bash script. What would be an efficient way of doing that? I thought I could do this:
if [ ! -f `which mysql` ] ; then
echo "foo"
fi
But I ...
2
votes
2answers
102 views
Is there an easy way to stop and reissue a command?
I am doing Node.js development in Ubuntu and I'm curious if there is a way to quickly stop and restart a node server.
I run this command to start my app:
$ node app.js
When I make changes to ...
1
vote
3answers
101 views
Is there a way to determine when a binary was compiled or installed?
Is there a way to determine when a binary was compiled or installed? For example, I have a binary mdrun_d, and I would like to know when this particular binary was compiled or installed. The system ...
0
votes
1answer
80 views
Alt-Left on OSX to behave like Alt-Left on Ubuntu [duplicate]
Possible Duplicate:
How to change previous/next word shortcut in bash?
When connected to a ubuntu server bash shell, I can hold alt key and press the left or right keys to move forward or ...
1
vote
1answer
363 views
Gnome Terminal won't autocomplete
My gnome-terminal on a ubuntu 10.10 machine is not working the way it should work. No autocomplete is working. ctrl + l won't clear the screen, bash prompt is simply a $ and nothing else. I got this ...
0
votes
0answers
119 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 ...
4
votes
1answer
116 views
How can I act on the results of the “locate” command?
I'm trying to find where check_dns is defined in nagios' commands.cfg file, although there are quite a few files.
I know I could run something like find / -name "command.cfg" -exec grep check_dns {} ...
8
votes
1answer
2k views
How do I set a user's default .bashrc file?
On Ubuntu 10.4 I have edited the /etc/bash.bashrc file to set some variables like the command history size (HISTSIZE=5000), however if I create a new users Ubuntu by default gives them a .bashrc file ...
2
votes
1answer
208 views
Simultaneously move long list files to new location
I'm using a wonderful program called ExifTool to recursively rename a large batch of files.
Here is example usage:
$ exiftool -r -ext JPG '-FileName<CreateDate' -d %Y%m%d_%H%M%S.jpg .
Error: ...
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:
...
0
votes
1answer
170 views
auto create groups directories on user logging in
Below is my real and effective UIDs and GIDs. My task is to implement a bash script (Ubuntu 10.10 desktop) which should auto create 3 directories rtkit, admin, pr007drdl (group names) in /home ...
