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

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8
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1answer
234 views

How to clear system tray notification via command line

I have an application which produces system notification every 5 seconds. Overtime the notification tray I have (Gnome env) gets crowded. How can I clear it like every minute but I need to do this ...
3
votes
1answer
52 views

I want to print a user specified number of labels without opening Libreoffice

I'm using Ubuntu in a restaurant. In this case I'm using a Brother label printer to print "Use By" date labels. To print one I can use the command libreoffice -p ~/Desktop/TestLabel.odt I have this ...
3
votes
1answer
48 views

Export PATH and EMSCRIPTEN

I am confused about PATH setup. I was installing emscripten and following their tutorial. As the last step you export variables running source ./emsdk_env.sh This exports couple of things: ...
3
votes
1answer
223 views

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 ...
3
votes
1answer
519 views

Bash script runs fine, but not in cron

I have a script that's supposed to record a shoutcast stream for an hour, convert it to mp3, and then save it. The script runs correctly when I run it from the terminal, but I can't seem to get it to ...
3
votes
1answer
141 views

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

Bash has a great incremental history search with CTRL+R. However, using that is evidently tied to being in a bash. Ubuntu, on the other hand, has this nice global search tied to the Windows key (in ...
3
votes
1answer
2k 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} ...
3
votes
1answer
692 views

Ubuntu for phones - is there a terminal similar to the one known from PC's?

I am thinking about install Ubuntu on a phone. I spend a lot of time in terminal while working on my PC. There are much things I do using bash scripts, for example. Then, is there a terminal on ...
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62 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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117 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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93 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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83 views

zip warning: No such file or directory

I have a backup bash script for my Dovecot emails like this sudo zip -y -r -q ~/backup.zip /var/vmail/* -r is for recursive, -q is quiet (since man said that's useful for bash scripts), -y is to ...
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120 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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93 views

How to set the path to xstream in Ubuntu 14.04

I am using Ubuntu 14.04, and installed my version of jdk using sudo apt-get install openjdk-7-jdk Now I installed xstream 1.4.7, but whenever I compile any java files using the package, I get an ...
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55 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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25 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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95 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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76 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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44 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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94 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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126 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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291 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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29 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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95 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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32 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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95 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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76 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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18 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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102 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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307 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 ...
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159 views

no such package beginner tutorials

I'm using Hydro. I am new to this. I was reading the book "A Gentle Intro to ROS" by Jason M. O'Kane. I got up to the section "Creating a package". I was following the "create a workspace" and ...
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108 views

disable all hotkeys with dconf-editor

I'm building a deb package that will create a kiosk user account. When you login to this account, the browser automatically starts and navigates to a pre-given website. Also all the hotkeys should be ...
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18 views

How do I send a notification into blue-envelope area from bash?

I want to send a notification that would be permanently visible, e.g. so I won't miss it. Ideally this would be a MacOS-like popping GUI icon in Dock, but as I understand, such a notification in ...
0
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157 views

Console Mode VIM 256 Color Support

This question is about using the console mode (i.e. ctrl+alt+f1) and not about using a terminal emulator. When running from a terminal emulator, my VIM uses 256 colors without a problem. I've tried a ...
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47 views

Permissions when running second level script

Evening Everyone, I have 1 bash script that starts the program Motion (some may be familiar with). Motion links to a script in the motion.conf upon picture save or file save to a perl script that ...
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169 views

msmtp - errors sending bash but not command line

This is in reference to a post on another forum but didn't get a single response so hoping that others here might know Here. I am trying to send a message with attachment using bash and msmtp. When ...
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0answers
32 views

Script runs program instead of just running script

I want to make a script to run the following command with a double click. My script is: cpufreq-selector -c 4 -g performance Manually running it in terminal is fine but if I use a .sh file it ...
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37 views

xmacro without running x server?

I need to record typing in terminal, and it works just great in x session inside of xterm with xmacro, but I need to do such macro recording without running x server, and I can't really find the ...
0
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0answers
207 views

unable to run script using “startup applications” option in ubuntu 14.04

I am trying to run following script to run my rails application on startup but unable to execute. run_my_app.sh #!/bin/bash cd /home/<user>/<my_rails_app> && rails server ...
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0answers
34 views

How do I sync Metadata?

Pryor to an update,I spent months editing and recovering album meta-data manually from the internet,making sure everything is the way it should be,sad to say after a kernel update I could not log in ...
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0answers
29 views

Setting & Saving bookmarks on a video timeline

I have used openshot or better still flowblade in order to trim my videos say to get rid of advertisements but perhaps back in Windows era I was too fond of Solveigmm Video Splitter that I found any ...
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62 views

Lost graphical login after automating script command

I'm running Ubuntu 12.04 LTS and I want to log all input/output from users. I've simply tried adding script -a -f /LOG_files/Log_file.txt to users ~/.profile. The logging works just fine, but ...
0
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250 views

How much Memory/RAM is really being used by this Ubuntu 14.04 system

How much RAM/memory is really being used by the Ubuntu 14.04 x64 system? From htop, the amount of memory used is 3 GB and swap usage (on SSD) is 5.7 GB. However it appears that the most memory hungry ...
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110 views

Why I obtain this compile error when I try to install a software?

I am not yet a Linux guy and I am going crazy trying to install a software compiling it on Ubuntu 14.04. This are the only provided instruction to install it: Debian First, make sure that ...
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76 views

Init.d script not updating git repository

I have the following init.d script running on my ubuntu machine: # /etc/init.d/do-updates cd /home/ubuntu/Fox;git pull sudo /home/ubuntu/Fox/batch_update_process.py 1>> ...
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612 views

After exporting $PATH, commands don't work anymore

Trying installing Java, I tried to add it to the executable path with the line: export PATH=/usr/lib/jvm/jdk1.7.0_60/bin:$PATH in the system-wide /etc/bash.bashrc file. For some reason this ...
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0answers
119 views

Alias's in .bash* not working

I am trying to create an alias and it does not seem to be working. I have tried it with both .bashrc and .bash_aliases. If I open my terminal and perform source .bashrc, then they work OK. What am I ...
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72 views

<Enter> button does not work in Guake for zsh

I have 2 machines with Ubuntu 14.04 on them. On both machines I've tried to switch shell to zsh for Guake. As a result pressing button (to run a command) has no effect, although other ...
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63 views

get cpu usage of system users

Working with monit I need create an alert that get cpu usage of system users, so: top -b -n 1 -u user1 | awk 'NR>7 { sum += $9; } END { print sum; }' seems a good solution but I'm not sure about ...
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111 views

Terminal exits program before able to accept Hashcat EULA

I'm trying to play around with hashcat,just using the examples included with the program, but before the command can run it requires me to accept the EULA. Instead of me being able to enter 'YES', the ...