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

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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
61 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 ...
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2answers
2k 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
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1answer
435 views

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

Note: edited to provide more info. 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 ...
2
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2answers
205 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 ...
19
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3answers
674 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 ...
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1answer
696 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: ...
6
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1answer
2k 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
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1answer
50 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
124 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 ...
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2answers
51 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
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2answers
1k 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 ...
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2answers
136 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
121 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
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1answer
3k 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
2k 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
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1answer
87 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 ...
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0answers
17 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 ...
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2answers
72 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" ...
2
votes
1answer
751 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
43 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 ...
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1answer
1k 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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1answer
1k 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 - ...
3
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4answers
10k 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 ...
1
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2answers
1k views

How to include environment Variable in launcher for icon

This is an extension to the question how to include an environment variable in the launcher? . This question explains how to use the environment variable for the Exec part of the .desktop file but not ...
0
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1answer
186 views

Why do I not have the $MAIL environment variable?

I read that the $MAIL shell environment variable is one of the most common ones, and stores the location of my mailbox file, where my emails are stored. I looked into the /var/spool/mail and ...
21
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3answers
3k views

Why does “A=10 echo $A” not print 10?

This command: A=10 echo $A prints an empty line. Why not 10? Why doesn't the in-place temporary environment setting work? I want to know the reason and explanation rather than solution. I used ...
0
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1answer
180 views

Bash script not adding variables to session [duplicate]

I have a bash script that I have added as a startup application. It does a bunch of exports and alias assignment. #! /bin/bash alias devhm='cd ${DEV_HOME}; ll'; alias wlhm='cd ${WL_HOME}; ll'; alias ...
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2answers
106 views

What are the standard Environment variables ($) in Ubuntu?

I know some useful environment-variables like $HOME, $UID, $BASH, $LOGNAME etc. which is useful to get information in terminal/command-line with using echo(ex: echo $LOGNAME) I want to know what are ...
7
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3answers
11k views

Tomcat does not recognize JAVA_HOME

I've installed Ubuntu 14.04 Server, extracted JDK1.8u5 and Tomcat7, and added the following to .profile (I also tried adding it to .bashrc with similar [non-] results): export ...
0
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1answer
43 views

How to set the environmental variables in ubuntu to install lua?

Great day guys,I am trying to install the Lua on ubuntu.Inorder to set the environmental variables for Lua how can i procede?Thanks in advance
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1answer
186 views

Solving $PATH obfuscation by /bin/sh (dash)

This question is a follow-up from http://unix.stackexchange.com/questions/126955/percent-in-path-environment-variable. I post it here, since it is more distro-specific. The shell used by default for ...
1
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1answer
1k views

Bash script doesn't execute command from PATH

I have this simple script: #!/bin/bash echo ${HADOOP_HOME} $(hadoop fs -ls) The output is: /opt/hadoop-0.20.2-cdh3u2 ./hello.sh: line 3: Found: command not found So bash definitely sees ...
7
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2answers
696 views

Terminal prompt messed up after changing value of PS1

I carelessly entered a command in the terminal that should have been in a shell script: export PS1=$PATH:~/drush23/drush/ now in my terminal instead of this: ubuntu@ip-10-16-134-18:/home/ubuntu$ ...
0
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2answers
4k views

Adding JAVA_HOME (JDK) in .bashrc

I just installed Ubuntu and am Java 7u55 (JDK) and am trying to configure JAVA_HOME as an environment variable. In ~/.bashrc I added: # Exports JAVA_HOME=/home/myuser/sandbox/java/7u55/jdk1.7.0_55 ...
3
votes
2answers
7k views

rvm /usr/bin/env: ruby no such file error

I've installed rvm + ruby systemwide. which ruby /usr/local/rvm/rubies/ruby-2.1.1/bin/ruby and: /usr/bin/env: ruby: No such file or directory Everything else works fine, putting direct path of ...
4
votes
2answers
751 views

Use system environment variable for snort.conf HOME_NET setting

I'm setting up a mass deployment image that includes snort. Since I don't know the network address range that each image will reside on I thought about using an environment variable to hold the ...
3
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4answers
23k views

Run PHP from the command line

I have installed XAMPP v1.8.3 for my PHP development. I am new to Ubuntu, so I don't know how to set environment variable for PHP which is located at /opt/lampp/bin/php. I can run PHP scripts from ...
1
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2answers
342 views

Change environment varaible (TERM)

According to this answer, "it is the job of the terminal emulator to set the TERM environment variable". Is there any way to change the TERM value used by Terminator? Right now it's xterm, but I need ...
0
votes
1answer
910 views

export $PATH not working correctly on Ubuntu 13.10

I have connected to remote Linux desktop (Ubuntu 13.10) using ssh command and try to run following command on remote desktop. On my host machine I am using Ubuntu 12.04. On remote desktop: I have ...
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1answer
4k views

Environment Variables and .bashrc [closed]

I need Help in this: that is how to do this Edit the setting file of the user. In our case it should be in the root directory of the user and the name is .bashrc or .bash_profile 2.- Add the ...
0
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1answer
67 views

environment setup for Importing a userdefined module

I am creating an User defined module an .so file and importing that in the python module. The functions in the library are not responding as expected. What are the environment variables to be set ...
4
votes
1answer
2k views

Setting path in ubuntu 13.10

In Ubuntu 13.10 I installed : stable_Ubuntu-13.10-i686.deb and Ubuntu-13.10-i686.deb, but when starting GNURadio the following message appears : Cannot import gnuradio. Is the python path ...
0
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1answer
734 views

Running a service ignores environment variables

I have a /ect/init/application.conf file that looks something like... start on filesystem and net-device-up IFACE!=lo stop on runlevel [016] respawn export NODE_ENV=production chdir ...
4
votes
3answers
8k views

Problem to set JAVA_HOME

In ~/.bash_profile I set the following: export JAVA_HOME=/usr/lib/jvm/java-7-openjdk-i386/bin/java export PATH=$PATH:/usr/lib/jvm/java-7-openjdk-i386/bin After saving and close I ran: sudo su ...
3
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1answer
282 views

Why are 'source' and '.' not always the same, when they're supposed to be identical?

I was under the impression that source was a synonym for . in bash. However, it seems that in the .profile file, source doesn't work. This youtube video demonstrates that when source is used in ...
2
votes
1answer
3k views

NDK_ROOT enviroment variable defined but script does not see it

In my ~/.bashrc i have this: export ANDROID_SDK=~/Devel/android_dev_x64/sdk export ANDROID_NDK=~/Devel/android-ndk-r9d export NDK_ROOT=$ANDROID_NDK export ...
1
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1answer
1k views

Call shell script “inline” in another shell script

So the bottom line here is that I am trying to have one go-to script work to set environment variables (let's call it setenv.sh) that will be used in subsequent scripts. In Windows (I know, that is a ...
5
votes
2answers
976 views

How to know which processes have the DISPLAY variable set?

Sometimes I face some problems in display and mostly I do want to know which files or processes are using the DISPLAY environment variable. So how to list all processes that having DISPLAY set?
2
votes
1answer
283 views

bashrc shortcuts in Tmux

I have sets many shortcuts in .bashrc profile of local user, and they work properly. Currently on my 12.04 system but when ever I tried to used them in tmux, I always get the same response command not ...