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

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Cloning Ubuntu 14.10 installations

I need to use a range of Cloud VPS providers to run servers across the world. The first batch of providers is Vultr, DigitalOcean and DimensionData. Each of them offer the ability to create ...
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Failure to contact privoxy proxy on ec2 node

I'm trying to set up a tor node following http://sickbits.net/creating-a-personal-privoxytorproxy-ec2-instance/ using ubuntu 14.4 lts on ec2. I'm using git-bash on win7. Following the directions, I ...
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Long view for tab completion?

Is there any way to show a long view (e.g., timestamp, permissions, filesize, etc) for tab completion of filenames in bash?
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90 views

Running cron scripts with php and node

I've gone through many posts for cron jobs, but still was unable to run it on my Ubuntu 14.04 environment. I have a file test.sh in /tmp/test/. The test.sh contains several other scripts in PHP and ...
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54 views

Strange terminal color setting issue

I am running an Ubuntu 14.04.1 LTS server (3.13.0.45) which I usually access over SSH. I set up a custom prompt with the following in my .bashrc file: # uncomment for a colored prompt, if the ...
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52 views

cannot send mail from home with mutt

The message I send from how show up in my email instantly, from home, they never arrive. I don't not have a postfix server running, so I cant get return mail. How can i trouble shoot this? echo "This ...
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271 views

Ubuntu 14.04 Anaconda Install Help

I started using ubuntu not to long ago. I am trying to install Anaconda on my linux distribution. Am following the instructions below: http://docs.continuum.io/anaconda/install.html#linux-install ...
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76 views

how to use crontab to execute i2cset commands

I am trying to execute a bash script that displays the IP address on a lcd display , on startup .. I want it to execute so that the user knows the ip address as soon as the user starts the linux ...
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71 views

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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62 views

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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54 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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53 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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195 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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46 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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117 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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72 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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29 views

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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126 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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43 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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88 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 ...
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33 views

ssh connection problem

Hi everyone i am developing a robotic app, i want to run my launch files under a ssh connection with this script but when i run script it wants may password, i write it but nothing happens although i ...
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33 views

Unable to set env var for ssh key-based login

I have a ssh key based login and I cannot see env variables that I set in : .bashrc, .profile, /etc/profile.d/setup-my-env.sh export PATH=$PATH:$HOME/opt/openmpi/bin export ...
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60 views

Crontab wont run this script!

I am trying to run this script as a cron job to enable a weekly back up of my mediawiki site. Running on Ubuntu server 14.04. It simply will not run. The scipt is running from the root folder of the ...
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45 views

start krusader editor from a command line bor bash

I am really happy with Krusader's internal editor and I would like to use it for editing files via bash scripts. So instead of: leafpad ubuntu.txt I would like to run say something like that to ...
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81 views

How to assign disk usage into a variable

Im new to creating shell scripts and i am trying to create a script that counts disk usage and display its percentage value.For example : "disk usage :2.8 GB , free space : 48 %" Here is all i could ...
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38 views

Bash question with system processes? Stopping and renicing “Java” processes

I play minecraft on linux, and I would like to make a Bash script that does two things. First, I would like it to close the minecraft launcher's process. Secondly, I would like it to renice the ...
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44 views

Monitoring a screen session

I'm very new to Ubuntu and I haven't really found something that I'm looking for. Basicly I am searching for a bash script that will monitor a screen session based on it's name. As soon as the bash is ...
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181 views

How to use start_daemon to launch a script?

I find start_daemon function in /lib/lsb/init-functions(show below) start_daemon () { local force nice pidfile exec args OPTIND force="" nice=0 pidfile=/dev/null OPTIND=1 ...
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77 views

How do I fix this bash script to auto-fix locked eth cards?

One of our servers has an eth1 interface which seems to randomly lock up--but which works again with no issues if this command is issued in the console: ifdown eth1 ; ifup eth1 I wrote a simple ...
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82 views

Unable to profile django app

I am trying to profile my Django application. I installed the django-extensions which include a hotshot profiler. I am able to profile using the Django shell. But, I want to create a script for doing ...
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63 views

Script problem at boot ubuntu

I have an application in C++ which show a ipcamera video when I send it a value by ethernet. I want that the application start at boot in automatic way. This is my script: #!/bin/sh ...
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134 views

Scheduled Cron Back up from EC2 to S3

I have created a script for scheduling sql back ups and store in Amazon S3. Below is the script that I used for taking backups. DATABASES="testdb" testdb_USER=root testdb_PW=root ...
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109 views

Error in export command in ~/.profile

I have this line in ~/.profile: export PATH=/sbin:/usr/sbin:${PATH} and it is causing this in ~/.xsession-errors: init: gnome-session (Unity) main process (1851) terminated with status 1 And ...
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140 views

When running a shell script using sudo I am getting no tty present and no askpass program specified

I am trying to build a project using jenkins. The project is based on node. I wrote a shell script that has only npm install command. I am running the shell script from jenkins as sh ...
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59 views

Can only echo very limited numbers to USB companion files

I want to echo number 7 to the file /sys/bus/usb/devices/usb2/../companion, but fails. But if I echo number 1 or 2 to this same file, it works well. Any idea on that? nxr@nxr-desktop:~$ sudo -s ...
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27 views

How can I give an option (-o vi) to login shell

I want my login shell to be started with option -o vi so that instead of /bin/bash my login shell would be /bin/bash -o vi I tried changing /etc/passwd but that result in invalid shell, as it ...
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100 views

How to fix RAID1 array by mdadm with script?

In system works two RAID1-arrays madadm. There is one reserve disk to change faulty disk. I need to write a script which will be monitoring disks and automatically fix degraded array. How do you ...
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79 views

bash autocomplete behaving strangely after update

Since bash was updated very recently, when I try to autocomplete by tabbing during a cd I get the following... tony@tony-HP:~$ cd Mucword=1 words[0]=${!ref}${COMP_WORDS[i]} ...
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54 views

Creating an alias with tab completion

I know how to create a permanent alias, just edit .bashrc . I created alias forsudo apt-get install <appname> . As you may not know the exact name of app or want to check the dependency u can ...
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99 views

Bash Script for adding Keyboard Layout to available Layouts

I am writing a bash script to add a layout (Urdu as input language) to the available keyboard layouts. The current status is: script automatically detects the current layout, as a string. adds te ...
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132 views

How to make apt update everything with cron-apt?

For my 14.04 server, I've set up cron-apt to update every day at 4'o clock. Today I've reviewed /var/log/cron-apt/log to make sure it has updated bash to fix shellshock. And indeed, it has updated ...
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297 views

How do I upgrade from 12.10 on a DigitalOcean droplet?

The recent ShellShock exploit has prompted me to upgrade my Ubuntu 12.10 server, as I cannot upgrade bash on it (I receive 404 errors on apt-get-update (somebody else with a similar issue)). I opened ...
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34 views

Get status of background process

Let's say I have started a process in the background: e.g. tar [...] | pv [...] & pv has the PID 1234 and normally reports it's progress to stdout. The job was started as a cronjob so there is ...
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106 views

Shell script loop stops by itself

I have two script files like this. execute.sh #!/bin/bash #259200seconds = 5 days end=$((SECONDS+432000)) x=0 cp /dev/null ~/kill_start.txt while [ $SECONDS -lt $end ] do [[ $(cat ...
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33 views

Run script in another opened terminal

Is it possible to run a script in another opened terminal? In that case I would need to know all opened ttys. Another case would be, if I'm using SSH to login into a remote host. I would like to run ...
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108 views

wait for job in bash script

find /var/www/ -ipath */logs/access.log.gz -execdir mv "{}" "old/`date +\%G-\%m-\%d`-access.log.gz" \; wait service nginx reload wait python /var/www/default/piwik/misc/log-analytics/import_logs.py ...
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77 views

Get file created by a program launched by a bash script

I have the next scripts: | base_dir/ | - test.sh | | tests/ | | - elaborato.sh test.sh run elaborato.sh elaborato.sh could create a file (not always it create a file). I need : to know the ...
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20 views

Problem during the usage of up and down keys for checking up and down arrows

I am facing an issue during the usage of up and down on gnome-terminal. Lets say my previous commands are vi pos_of_rightmost_setbit.cpp gcc -o harsha pos_of_rightmost_setbit.cpp At this point ...
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106 views

bash: Permission Denied when I move my CPP file to another location

I crafted a test CPP programme. It created a file in the home directory. It compiled with ease, and I could run it by typing ./rocketfire in the Terminal. Now, I did these: abhimanyu@AbhimanyuPC:~$ ...
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382 views

Terminal closing itself after 14.04 upgrade

All was fine in 12.04, in this case I'm using virtualbox in Windows. The upgrading process ran ok, no errors, no warnings. After rebooting the errors started to happen. Just after booting up there ...