A set of dynamic variables that can affect the running processes.

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Hadoop gives Error localhost: Error: JAVA_HOME is not set.?

I'm using Ubuntu. I have installed Java Hadoop configured it as single Node. i have also added environmental variable named HADOOP_HOME,JAVA_HOME in .bashrc file. When i was trying to run Hadoop using ...
0
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1answer
22 views

Use other environment variables in PATH definition [duplicate]

I've been wondering if there is a way to set the PATH system variable using other system variables. For example my /etc/environment currently looks like PATH="........other stuff........ ...
0
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2answers
27 views

Set custom added PATH vars to work in each Terminal session [duplicate]

I ran these 2 commands simply in the terminal: export PATH="$PATH:/home/milkncookiez/Developer/android-studio/bin" export PATH="$PATH:/home/milkncookiez/Developer/PhpStorm/bin" in the 2 bin folders ...
1
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0answers
25 views

Unable to connect to X11 display. is $DISPLAY set? - Yes, it is

I'm trying to run this in my /etc/init.d/rc.local. I had to manually add the exit 0 because it wasn't there by default if that makes any difference. cd /home/john/xcape && ./xcape -e ...
0
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0answers
28 views

Ubuntu 14.04 Color Variable Troubles

I have tried all the links from the first 2 pages of google searches regarding editting the LS_COLORS variable, but I can't get it to work as expected. I want all my source code files to show up as ...
1
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1answer
40 views

How to set DISPLAY variable for a process?

I try to run pgadmin3 as user postgres and I get following error: No protocol specified Error: Unable to initialize gtk, is DISPLAY set properly? Command pgadmin3 runs well under pavel (my main ...
1
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1answer
36 views

Can't log in after trying to set environment variables

So I added a file called gradle.sh to /etc/profile.d/ that had the following lines: export GRADLE_HOME=/home/gradle/ export PATH=$PATH:$GRADLE_HOME/bin I restarted my machine, so that it would pick ...
0
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0answers
37 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 ...
0
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1answer
97 views

Add custom script to PATH

I know there are quite some answers about that, but still could not make my way around it. I read all this and tried to follow the example under System-wide environment variables (for my case of ...
0
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1answer
35 views

Is $HOME/.local/share the default value for $XDG_DATA_HOME in Ubuntu 14.04?

What's the default value for $XDG_DATA_HOME in Ubuntu 14.04? I get an empty line with: echo $XDG_DATA_HOME According to the Free Desktop Specifications, it might be equals to $HOME/.local/share
0
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0answers
46 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 ...
0
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1answer
119 views

Ubuntu 14.04: setting environment variables [duplicate]

I need set environment variables for Android Studio project EVERY TIME when reboot or close terminal. (Ubuntu 14.04) For setting variables I use: export ...
1
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3answers
231 views

Changing ownership of folder not working!

I am trying to change the ownership of a folder and subfolders by typing either of these: sudo chown $user -R /usr/bin/.folder/ sudo chown $user -R /usr/bin/folder/ sudo chown $user -R ...
0
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0answers
20 views

Environment Vars being changed on boot

I installed java-8-oracle the other day, and I didn't like it, so I deleted the java-8-oracle folder. I also installed java from java.com into /usr/java/jdk1.8.0_20, and set the environment variable ...
0
votes
1answer
29 views

Server cannot run apt-get anymore

I was trying to setup an older version of gcc (4.1) on ubuntu 14. I was having some difficulties to set alternatives. I so thread where someone said to use this command: export PATH="/usr/bin:$PATH" ...
2
votes
1answer
158 views

How to set environment without sourcing .bash_profile myself every time? [duplicate]

When I restart Ubuntu 14.04, environment variables are set back to default and I have to run source .bash_profile every time which is very annoying. I generally keep my environment vars in ...
0
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1answer
49 views

Exporting LD_LIBRARY_PATH that contains spaces and special characters

Trying to deploy a Qt application on Ubuntu Directions from Qt site show how to allow the library dependencies to be loaded, by changing the LD_LIBRARY_PATH variable: #!/bin/sh appname=`basename $0 ...
3
votes
1answer
162 views

Ubuntu 14.04 and playing songs from cron

I recently upgraded my computer to Ubuntu 14.04. After the upgrade the system no longer plays the few songs I had it play via crontab. The crontab lines look like so: 0 9 * * 1-5 ...
0
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1answer
122 views

How to fix invalid identifier error after setting environment variables?

I'm trying to setup cocos2dx in Ubuntu 14.04 LTS but after setting the environmental variables (in .bashrc) I start getting this error: bash: export: dev/cocos2d-x-3.2/tools/cocos2d-console/bin': not ...
0
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1answer
44 views

save number of lines of a text file in a variable shell file

I'm working on terminal and running a .sh file and I want to count the lines in another file and save it as a variable to be used in this .sh file. I'm using this command sed -n '$=' /lines.txt when I ...
0
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1answer
47 views

Creating a Path Variable

I need to set a path for a variable $week4 to be Week4/assignment so that typing cd $week4 will change the working directory to Week4/assignment/ I've seen a few examples of similar stuff on here, ...
1
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1answer
71 views

shell file opens terminal and run a sequence of commands in specific order

What I used to do is: Manually open a terminal instance to run the following commands and shell files Run PACKAGE_PATH=/home/userA/package1:/home/userA/package2:$PACKAGE_PAT‌​H run: cd ...
3
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1answer
74 views

How to quickly check the value of bash variables, aliases and history commands from terminal?

How do you expand in place: bash aliases environment variables history commands to edit them and check they are correct? For example, I have some aliases I use for flashing different devices and ...
0
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1answer
51 views

When I open a terminal and type set I get a strange output

I opened a terminal on the desktop in Xubuntu and typed set and then a new line. I aws expecting to see a display of my environmental variables, but all I got was a display of a lot of code. What on ...
1
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1answer
662 views

JDK 8 Installation for Ubuntu 14.04 (Android Studio & NetBeans)

I downloaded jdk-8u11-nb-8-linux-i586.sh and installed it in my home folder. Then I install NetBeans, it is successful I think because I can compile my java code using netbeans. Now when I install ...
0
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1answer
40 views

Environment Variable or saving dev_key file

I am slightly new to ubuntu, I have a NASA-ADS dev_key to access some data on there system but am unable to: save it as an environment variable named ADS_DEV_KEY or save it to a file called ...
1
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2answers
113 views

Changing environment variables

I just changed my /etc/environment file to: M2_HOME=/usr/local/apache-maven/apache-maven-3.1.1 M2=$M2_HOME/bin ...
0
votes
1answer
80 views

Why won't Vim source my .vimrc at startup?

I have modified my ~/.vimrc significantly (although some of my initial modifications I made in the system-wide /etc/vim/vimrc). It probably doesn't matter either way since I am really the only user ...
2
votes
2answers
53 views

What exactly should I set as JAVA_HOME?

I am trying to make Tomcat 7 working with Eclipse, and I am not sure if my JAVA_HOME is correct. ~$ echo $JAVA_HOME /usr/lib/jvm/default-java And there is no such catalog! I only have: ~$ ls ...
18
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3answers
376 views

What is the $BASH_COMMAND variable good for?

According to the Bash manual, the environment variable BASH_COMMAND contains The command currently being executed or about to be executed, unless the shell is executing a command as the result of ...
0
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0answers
56 views

How to set environment variable in Eric Python IDE

I have no problem running a Python script from the terminal, but in Eric Python IDE, I am getting this error: ImportError libcudart.so.6.0: cannot open shared object file: No such file or directory ...
1
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1answer
115 views

`TERM` environment variable not exported from `.profile`?

I have this in my .profile (I'm running Ubuntu 12.04): export TERM="xterm-256color" The variable seems not exported or be invariably later overwritten as TERM="xterm". A test with Gnome Terminal: ...
4
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0answers
326 views

How to start/configure pulseaudio remotely with ssh?

I have a remote machine to which I can ssh. On the remote machine there is a program that uses pulse audio to get input from a USB microphone attached to the remote machine. This setup works fine when ...
0
votes
1answer
34 views

var.sh is not exporting the variable using terminal

I want to export many paths using a .sh script. after running it nothing is exported I don't know why. so if anyone can advise. This is the script used: #!/bin/bash txtrst=$(tput sgr0) # Text reset ...
0
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2answers
52 views

How do I set environment variables through a keyboard shortcut?

I have a script that increments an environment variable, but it only works if I run it by perpending it with "source" or with a ".". Unfortunately, this means that if I attempt to bind it to a key, I ...
0
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2answers
30 views

why everything is reverted back in PATH env variable after reopening shell?

As far as I know PATH is not a temporary variable. And when you reopen your terminal it should work as before. In my case it's not. What I do is to add another path to $PATH: export ...
3
votes
2answers
342 views

Why I obtain this error when I try to perform this simple bash script?

I am following this tutorial to correctly execute Aptana Studio on my Ubuntu 14.04: Command menu in aptana studio 3 is not working in ubuntu 14.04 So I have installed the Oracle JRE and finnally I ...
0
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2answers
50 views

How to bring “.bashrc” in effect without logging out or Restarting the current session?

I am basically using .bashrc for adding environment variables. Each time I add a new Environment variable, I have to log out the current session and log in again to bring the changes in effect. Is ...
0
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1answer
39 views

What is the default values of KMP_AFFINITY variable?

I was playing with the KMP_AFFINITY variable in my program and forgot to back-up the previous value. Now the performance of my C++ program has fallen to 50%. Can anybody tell me what is the default ...
0
votes
1answer
267 views

Permanent PATH variable

How will I make this /media/De Soft/mongodb/bin PATH variable permanent? Everyone is saying export PATH=$PATH:media/De\ Soft/mongodb/bin to your ~/.profile, or .bashrc, or .zshenv depending on your ...
9
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5answers
1k views

How can I make it so I can run a specific program, just by typing its name in the console?

I have just recently installed Light Table downloading it from the git repository, and followed the instructions on this website to create a desktop launcher. Now I want to run the program by ...
0
votes
1answer
47 views

problem to update bash profile

Each time i work with a tool named criu, i set the path variable: PATH=$PATH:/home/th/criu-1.3-rc2; export PATH to be able to run criu dump but when I close the terminal and open it, it does ...
0
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0answers
15 views

Environment Variable - how does properly set them (bashrc or profile) [duplicate]

I am very new in Ubuntu and I am lost about Environment Variable. I have read some Forums but I didn't understand yet. If I type java -version I got the java confirmation but if I type echo ...
1
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2answers
45 views

Can the PATH variable be corrupted?

I installed rbenv, a ruby version management program. I looked in the .bashrc file and noticed that the path variable was changed as below: export PATH="$HOME/.rbenv/bin:$PATH" I think the ":$PATH" ...
1
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1answer
121 views

Difference between $LOGNAME and logname

when echo $LOGNAME or logname commands run normally get same result like following: pandya@pandya-desktop:~$ echo $LOGNAME pandya pandya@pandya-desktop:~$ logname pandya But I found their ...
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2answers
38 views

Echos, variables, and help with this question

The book Learning The Bash Shell says- "Notice that we used double quotes around variables (and strings containing them) in these echo examples. In Chapter 1, we said that some special characters ...
3
votes
1answer
714 views

Why can't a process see environment variables set in /etc/environment?

I defined several environment variables in /etc/environment, but a process (build started by TeamCity) cannot see their values. I don't know what I'm doing wrong here.. this is the content of my ...
0
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0answers
26 views

$DISPLAY environment variable changes upon (almost) every reboot

I am facing a very strange problem. I have a one display connected to my PC. However the $DISPLAY variable changes almost every time I reboot. For now it is :0.0, but before reboot it was :1.0. There ...
0
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1answer
355 views

How to configure path or set environment variables for installation?

I'm aiming to install APE in Ubuntu 14.04 LTS, a simple code for pseudopotential generation. I'm having this error message while running ./configure: checking for gsl-config... no checking for GSL - ...
1
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2answers
2k views

When I use ZSH, how do I set PATH in /etc/profile.d?

I'm using zsh as my shell, and I'm trying to configure my environment. I usually define my $JAVA_HOME variable by creating a file: /etc/profile.d/java.sh with the following content export ...