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

learn more… | top users | synonyms (1)

0
votes
0answers
2 views

How can I create a shortcut that acts as a tally

For my work I have to do repetitive tasks with weekly deadlines. I like to know how close I am to finishing these tasks so I tend to keep a tally on a piece of paper. Unfortunately I travel a lot and ...
0
votes
2answers
21 views

Run a .sh file depending on the content of a file

I want to create a .sh file that needs to have a look into the content of a different file, in this case is the postgresql configuration file. Is there any way that I can run a command within the .sh ...
0
votes
1answer
14 views

setting up VOCE api in ubuntu

I am using ubuntu 14.04 . I recently downloaded a speech recognition and synthesis api called voce. For installation it told me to run the build.sh file. When I run this script it pops out some errors ...
-3
votes
0answers
45 views

Round numbers to remove all numbers coming up more than a single time [on hold]

Consider the following vector V of ascending numbers: 2 7 8 9 11 15 34 91 91 92 94 The problem is that some numbers may be duplicate (like 91 in this example) -- I don't want to remove the ...
4
votes
2answers
30 views

Is it possible to make sandwhich aliases?

I'm looking for a way to make the following alias work for any file name. alias dim='cd /home/jason/Documents; vim *the desired file*; cd' I'm wondering if there is a way I could change this alias ...
3
votes
3answers
96 views

apt-file regex: escaping a dot

I want to find all packages which provide a shared object containing "ssl" in the file name. The apt-file manpage says: --regexp | -x Treat pattern as a (perl) regular expression. ...
-1
votes
1answer
29 views

Use of quotes when running commands on a remote machine using ssh

I have a command that I know works correctly when I remote into a machine and run it. The command is below: grep "SearchTerm $1" file.txt | sed 's/^.*SearchTerm $1,//g' | sort | uniq -c | ...
0
votes
0answers
22 views

Using Upstart / init with PHP daemon nohup php daemon.php

Till now I had no real need to learn bash and init scripts as I need to at this point. I have created a custom Twitter app that is persistently, or constantly, connected to the API. It does tasks like ...
2
votes
2answers
118 views

To understand the behaviour of script when running over SSH

Alright, lately I have been facing an odd behavior. I have small bash script which simply takes mysql dump remotely and then store data on the server itself which later get rsynced to backup server. ...
1
vote
2answers
39 views

Bash script and escaping special characters in password

I have been reading a lot of questions already asked here, however, somehow nothing is working for me. I have a bash script where I have to send password which dump database on remote machine, so its ...
1
vote
1answer
35 views

BASH->Python (2.6) piping

I need to translate this line of Bash into Python: sample1=($(/bin/cat /proc/meminfo | egrep 'MemTotal|MemFree|Cached|SwapTotal|SwapFree|AnonPages|Dirty|Writeback|PageTables|HugePages_' | awk ' { ...
2
votes
1answer
44 views

command output based on pattern

Consider I have a command with some pattern, for example: $ grep "some string" file-[0-99] how can I write result into a file that will have its name based on the current value of a pattern, so ...
0
votes
3answers
26 views

Compress folders older than x days

In /opt/abc I have a path where a new folder gets created daily. In that folder a series of files gets created. I would like to run a script every Sunday at 02:00 and compress each folder which is ...
0
votes
1answer
30 views

how to write c program code to display directories in linux terminl [on hold]

i want a c program to get all the directories from bash terminal.also i need to color different types of files in different colors. eg:-executable files should b displayed in green color, ...
1
vote
0answers
25 views

.desktop launches app with custom icon. why not shell?

I have a .desktop file that launches an app, and it uses the .desktop icon: [Desktop Entry] Name=My Ro Type=Application Comment=Web Application Exec=/path/to/myapp -test Icon=/opt/giteye/icon.xpm ...
0
votes
1answer
18 views

MySQL Crontab Check

I have a serverpilot.io server running from digitalocean (1gb Ram), MySQL will crash once a week, the stats say the server is using ~256 mb out of 1 gb, but mysql will crash saying out of memory.... ...
2
votes
2answers
55 views

How to set JAVA_HOME for all users for “elasticsearch” program?

I'm trying to set JAVA_HOME for elasticsearch but no luck till now. I tried to set it in .bashrc, etc/environment, etc/.profile all fail. this is the command I use to run elasticsearch: sudo ...
0
votes
1answer
27 views

Bash Script to search a webpage

I've Googled my problem, and it's getting more confusing. I want to write a bash script that will search this page for a specific string and echo if it's found. For example, if I wanted to search ...
2
votes
3answers
179 views

How can I discover where apt-get has installed applications?

I have installed 2 development tools named maven and ant using this command: sudo apt-get install maven ant How can I discover what are the installation directories for these tools on my system?
0
votes
1answer
26 views

How to set a permanent environment variable?

I am not yet a Linux guy and I have some problem trying to add a new permanent environment variable. So I have to set a new environment variable named CATALINA_HOME with this value: ...
0
votes
1answer
23 views

Rotate binary files

I'm trying to solve a problem with rotating binary files. I have video files which are recorded from IP camera, and I want to delete oldest files when I have less then e.g. 10 Gb of free space. ...
1
vote
0answers
18 views

Automatically switch to Singstar Microphones when they're plugged in

I am running a media computer for my sharehouse and since singstar has been so popular I want to run Ultrastar for everyone too. The problem is that getting the microphones set up can be finicky and ...
0
votes
0answers
35 views

Script for Opening Two Terminals and Execute Three Consecutive Commands [duplicate]

I intent to open two terminals and execute three consecutive commands in bash script. Basically, the first terminal will execute first command, second terminal will execute second command, and back ...
0
votes
3answers
71 views

Use of the Rename Command

I have a two part question. I have a series of files with the names "file.pdb.#", where # is an integer. 1.) How can I script to rename all the "file.pdb.#" to "file_#.pdb", where the integer is ...
1
vote
0answers
32 views

Different results of 'ps aux | grep x' if entered manually and done via script

It was probably a bad method, but I was running ps aux | grep x | wc -l as part of the if statement in a script. When I ran this from the command line as a regular user, the result would be 1 if the ...
0
votes
0answers
26 views

Sorry, user is not allowed to execute X as root on lt

Whenever I try to run a command from the termainal as sudo, I am now getting the error: Sorry, user {user} is not allowed to execute {command} as root on lt. lt is the name of my computer. The only ...
0
votes
0answers
34 views

What is wrong with my code so far? [on hold]

I'm attempting to make a DNA translation script in bash that will take an input file, iterate through the file, and convert every three characters into the proper protein code it corresponds to. Thus ...
2
votes
1answer
33 views

How can I be sure “apt-get install” successfully finished its work?

I have Ubuntu 14.04 and I intend to download Skyrim. So I put the command into the terminal sudo apt-get install playonlinux. Everything was loading fine and it seemed to be working, however before ...
0
votes
0answers
11 views

Installing YADR on Ubuntu 14.04 error - prezto: old shell detected

I have a fresh install of Ubuntu 14.04 on VirtualBox, and I am trying to install YADR (https://github.com/skwp/dotfiles), which works really well on Mac OS X. However, after I finished installing and ...
0
votes
0answers
12 views

Standard LXC Container configs for shell scripting in Ubuntu?

I would like to do computation in neutral environment. I got a tip about Linux containers here. I am not sure how this project about Linux containers is managed, like who is the central board. ...
-1
votes
0answers
27 views

Script does not run properly under cron - restart OpenVPN

I have a OpenVPN Server, that I connect via a VM (Ubuntu 14.04). In this VM I have the following script, that checks if the connection is up, and then if it's down, it restarts the openvpn service. ...
2
votes
4answers
58 views

Remove whitespace from all array elements

I have a array called arrayvar, which is being defined as arrayvar=( $(awk '/'"$vovar"'/,/}/ {gsub("'"$vovar"'"," "); gsub("}"," "); gsub("{"," ");gsub(","," ");print}' temp1 | tr -d '\n' | sed ...
11
votes
2answers
447 views

Non-sudo alternative to /usr/local/bin for common scripts

I'm used to putting common scripts in /usr/local/bin so that I can execute them from anywhere with the terminal. For example, I make a shell script named 1, make it executable with chmod +x 1 and put ...
1
vote
1answer
46 views

Shell script to remove unity launcher(if present in Ubuntu 14.04 ) and/or the xfce panel (in the case of xubuntu)

Just want shell script to remove unity launcher(if present in Ubuntu 14.04 ) and/or the xfce panel (in the case of xubuntu). If anybody has idea about the same then please let me know. Thanks
0
votes
0answers
10 views

I want to allot ip adress using script file [closed]

I want to allot ip adress using script file in my C Program ,i.e. by writing the ifconfig command in the bash file and calling it. Pls help how to achieve this.
0
votes
0answers
20 views

How to set environment variables for GUI program?

I am using texstudio, a latex editor, on Ubuntu 14.04. When I start it from bash $ texstudio, and click the compile button, it works fine. However, if I start it by clicking the icon in the launcher, ...
0
votes
1answer
67 views

A bash script to show logged off users [closed]

Please help me create a bash script to show logged off users. It's easy to know which users are logged into a PC, the problem is to see those who are not, I have some time looking online, without ...
1
vote
1answer
24 views

How to use shell variables after doing sudo su

I am writing a script to fix a missing 'F' letter in a mail log file. The mail log file is continuously updating. I am getting a file name, after that I am doing 'sudo su' to get superuser access. ...
0
votes
0answers
28 views

Using sed to remove all lines containing special characters , numbers, and spaces

So I'm fairly new to using shell--bash specifically--and I'm in the process of writing a script which will translate files containing DNA sequences into a more useful format. Unfortunately, many of ...
2
votes
5answers
66 views

Add particular strings to an array sed/awk/grep

I have this ciscoFlashCopyStatus OBJECT-TYPE SYNTAX INTEGER { copyOperationPending(0), copyInProgress(1), ...
1
vote
1answer
27 views

core file size with ulimit

My question is probably not related to Ubuntu in particular, but since my desktop running this OS, I came to this forum. I am trying to change the core file size using ulimit -c command as follows: ...
1
vote
1answer
30 views

Storing some strings in a array

I have this sCSISmart1 TRAP-TYPE ENTERPRISE cyclone VARIABLES {cycHostAdapterNumber, cycHostAdapterID, cycManagerID} DESCRIPTION ...
2
votes
1answer
25 views

Passing Variable into awk gsub

I have this command Here vovar=OBJECTS prvar="$(awk '/'"$vovar"'/,/}/ {gsub("$vovar"," "); gsub("}",": %s,"); gsub("{"," ");gsub(",",": %s,");print}' temp1)" Contents of temp1 ...
0
votes
0answers
15 views

How can I make the bash pager recognise the terminal window width setting?

I checked that/bin/less is the default pager inside the bash shell. Try for instance: $ man man | egrep regex It does not automatically recognize the terminal window's width setting I have set to ...
0
votes
0answers
24 views

Ubuntu 14.04 desktop goes to sleep when issued “poweroff” command while lid closed?

My ubuntu version is 14.04 LTS. I used the following command to shutdown the system after a certain process was completed (This process takes a long time to complete, so I needed a way to ...
0
votes
0answers
14 views

Getting Rid of Autojump

I just removed autojump and I still get this line whenever I access my command terminal: bash: /usr/share/autojump/autojump.sh: No such file or directory I used sudo rm -rf autojump as my primary ...
0
votes
2answers
47 views

create scatter plot

file (1. arg) will create (scatter plot) for n. column (x-axis, 2. arg) and m. column (y-axis, 3. arg) function is called myfun sourcefile 1 3 for scatter plot of 1. and 3. column from file ...
4
votes
3answers
265 views

How can I pipe the output of a bash or shell command to the clip board? [duplicate]

In order to minimize mouse usage (accessibility and health reasons), how can I pipe the standard out to the OS clip board? That is, I'd like to do something like: $ drush uli | ...
0
votes
2answers
20 views

appends n-th line from the file x at the end of the file y

I have been asked to write a command that appends the n-th line (MYN) from a file (x)to another file (y). Here's what I've done so far: MYN=4 hey=$(awk 'NR==$MYN' x) echo "$hey" >> y But why ...
2
votes
2answers
130 views

How do I write a Bash script for this scenario?

I have these files in the directory home/acs. TBBN027162G_38d8-2f08-0c40 TBBN027605G_38d8-2f08-1518 TBBN027941G_38d8-2f08-0d1c TBBN027923G_38d8-2f08-35e4 I want to read TBBN027162G as service_id ...