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

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2
votes
1answer
35 views

Setting an environment variable in /etc/environment doesn't work but export does?

So I'm trying to set an environment variable called "NODE_PATH", It works by using: export NODE_PATH=/home/myname/node So I thought I'd set it up permanently and found that it needs to be done in ...
9
votes
2answers
515 views

bash -c “v=value; echo $v” displays nothing

Executing the following from a comand line screen: bash -c "v=value; echo $v" displays nothing. It's ok? How can I assign a value to a variable inside this kind of execution?
0
votes
1answer
87 views

-bash: export: not a valid identifier

Whenever opening the terminal, I always end up with this same error. -bash: export: `/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/snap/bin:/usr/...
1
vote
1answer
59 views

Can a script modify an environment variable of its calling shell? [duplicate]

I am setting my JAVA_HOME in my ~/.bashrc file. Now, I need to create a script that will change the JAVA_HOME just for the current terminal, so that I can start an app that needs java 5. I have ...
1
vote
1answer
65 views

sudo ionic run android not working

I am trying to run a hybrid app on my android phone using ionic using the following command: sudo ionic run android However I keep receiving this error : Error: Failed to find 'ANDROID_HOME' ...
2
votes
1answer
65 views

SSH executes the command differently

After several experiments I got to a surprising behavior by SSH. I usually access to a specific application through an SSH connection. In fact, that app is on a virtual-box on a workstation in a LAB. ...
2
votes
1answer
43 views

“sudo pip” differs from normal “pip”

When I execute which pip3 it points to /usr/.../anaconda3/bin/pip3 However, when I run sudo which pip3 the result is /usr/bin/pip3 Where does this problem comes from and how do I ...
0
votes
1answer
24 views

Why can't my user see environment variable?

I have a .sh file with some environment variables under /etc/profile.d/vars.sh. Its content looks like this: export PORT=8080 This is an Ubuntu 14.04 running on AWS EC2. When I log in via SSH with ...
0
votes
1answer
20 views

After “source .profile” the variable in a new terminal is still empty

One of the applications requires JAVA_HOME variable. Java is installed. In ~/.profile I have this: PATH="/usr/local/heroku/bin:/usr/share/perl6/vendor/bin:/home/arch/.local/bin:$PATH" JAVA_HOME="/...
0
votes
0answers
27 views

Disabling proxy problem

I've tried disabling the proxy using various command lines, it worked until I tried Maven clean install. Here's what is happening, $ mvn clean install[INFO] Scanning for projects... [INFO] ...
-1
votes
1answer
21 views

Survival of manually edited variables

I have some environmental variables set in my .profile, and thus the variables can be set automatically when I log in. In some special cases, I also need to change some settings using the command "...
0
votes
0answers
15 views

Environment var for multiple (silmutanious) sessions

How can I set an environment variable that is shared for the same user on different login sessions? E.g. I login on a server with the same user but multiple SSH sessions. The var should be resettet on ...
1
vote
2answers
17 views

How should I set enviroment variables at GNOME login - not shell?

Ubuntu 12.04, GNOME Classic I have a script that I execute from /etc/bash.bashrc. Whenever I open a terminal, it sets some environment variables needed for my applications to run. I execute them from ...
-1
votes
1answer
19 views

How to set varible envirement in global level(for entire envirement)?

i need to set this line export STUDIO_JDK=/usr/lib/jvm/java-8-openjdk-amd64 according the documentation to setting file... i have try this command to open system file /etc/environment but get ...
0
votes
0answers
26 views

Edit /etc/environment via Command Line [duplicate]

I am using Ubuntu Server 14.04 and I would like to be able to edit the /etc/environment file via the command line to append the file with environment variables. This append operation is going inside ...
0
votes
0answers
52 views

When setting an environment variable that is a directory path, what is the “root” from which I am setting the path?

I'm making a node.js app that uses gcloud's prediction API, which has as an authentication option setting a "GOOGLE_APPLICATION_CREDENTIALS" environment variable with a full path to my key file. I've ...
0
votes
0answers
15 views

Unable to clear http_proxy ubuntu 14.04

Currently my chromium proxy recieves a 'Burp Suite Professional' error on almost any page access, same with my steam client. I believe the culprit is coming down to a proxy variable I have accidently ...
2
votes
1answer
60 views

How to use sed with file path variables AND regex callbacks AND arithmetic expressions

I'm having a hell of a time getting the proper syntax using sed with variables containing a file path, a regex callback and an arithmatic expression. I don't know how to properly escape things. I ...
0
votes
1answer
44 views

Why is there no /etc/zsh.d/ in ubuntu, and where should I add system-wide options?

I am trying to write an ansible role that needs to add to the PATH. For bash, I can easily add a file in /etc/profile.d. But zsh apparently doesn't come with an /etc/zsh.d. Is there another ...
0
votes
1answer
21 views

PATH variable in different terminal windows

I note that if I have several terminal windows opened and in one of them I set path variable through bashrc: export APP_PATH="path_to_app" export PATH="$APP_PATH:$PATH" Then call: source ~/....
0
votes
2answers
43 views

exporting an environment variable from a bash script to a tcsh shell

I run bash scripts from tcsh shells. I want to set an environment variable in the tcsh shell from a bash script. The method of doing this, if your parent shell is bash is to source a file, i.e., ...
2
votes
1answer
46 views

How do I use variables and non-variables in a single sed command?

I'm trying to use sed to replace some PHP lines. My problem is I want to replace a line with PHP variables with a string including a Bash variable. Here is an example: sudo sed -i 's/$sUrl . $...
0
votes
1answer
40 views

How to set path for the Tomcat7 user

I'm trying to install an extension for GeoServer. The instructions say: Create a GDAL_DATA environment variable to the folder where you have extracted this file. Make also sure that this directory ...
1
vote
4answers
770 views

Dollar sign in environment variable's value

Is it a bad practice to have a dollar sign in an environment variable's value? ex: MY_VAR="$toto" To be more precise, I would like to set it in the /etc/environment file to be accessible by a java ...
0
votes
0answers
24 views

Export path with spaces to ~/.profile [duplicate]

So this is very, very weird. Hoping for some help. This is the path I'm trying to export in my ~/.profile: /var/lib/plexmediaserver/Library/Application Support/Plex Media Server Here is what I ...
4
votes
1answer
27 views

Why must there be a technical separation of shells into login and non-login kinds?

Shells can be login as those run by the text console and non-login as those run by Gnome Terminal. Why is this complexity needed? Why can't a login shell follow the same rules as the non-login?
0
votes
0answers
29 views

How to set environment variables with a dot(.) in ubuntu

I want to set an environment variable in bash called cloudsql.url with a value http://localhost:3306/xyz?user=username&password=password I tried with export cloudsql.url=http://localhost:3306/...
0
votes
1answer
75 views

assign cuda to a specific gpu

Two NVIDIA 780Ti cards installed. Using cuda 7.5 on Ubuntu 14.04. Postinstallation checklist shows cuda installed properly and functions properly. My monitors are attached to device 0. I compiled the ...
0
votes
1answer
27 views

Define a variable inside a function [closed]

I am wondering if it is possible to do like JavaScript, calling a variable from a function, something like: function myFunction(variable){ // do some stuff here } Then we call it like: myFunction(...
1
vote
1answer
234 views

'echo $SHELL' returns 'fish' when I'm using 'zsh' [duplicate]

First I installed fish and then I wanted to test zsh so I installed it. Actually I'm using zsh and it works perfect (at the moment): I can switch themes, enable plugins, etc... But when I do: echo $...
0
votes
0answers
19 views

Unable to create a file in /etc/profile.d/ : Ubuntu 14.04 [duplicate]

I wanted to create a file oraclejdk8.sh in the folder /etc/profile.d/ according to the accepted answer given here. But in the process I am getting an error like this: ankur@ankur-Lenovo-G580:/etc/...
0
votes
1answer
56 views

In which system file does 'export' command make changes?

I installed java-8 using a PPA. After that I gave a command: export JAVA_HOME=/usr/lib/jvm/java-8-oracle I had heard somewhere that this command does temporary changes. But after many logouts and ...
1
vote
1answer
213 views

Maven environment variable not working on other terminal

When I run echo $PATH and echo $JAVA_HOME command as a normal user, I get jdk path variables set. But when I run as a root user, the variables are not set there. I copied maven binary folder to /opt ...
3
votes
1answer
72 views

Definitive and immediate way to export a path

Assume I want to export a path, let's say FOOBAR and make the changes not only effective immediately and everywhere but also permanent. My goal is to have a list of commands that can be entered ...
1
vote
1answer
41 views

how to revert changes on /etc/environment, which prevent a login

I have just added this line "export PATH=/opt/apache-maven-3.3.9/bin:$PATH" to my /etc/environment file. I tried to restart Ubuntu 14.04 and now I cannot log in with my user/pw in the OS. could ...
0
votes
0answers
890 views

What is Environment variable and how should I set it for ionic?

I am new to Ubuntu and trying to create an ionic project. When I try to build my project with: ionic build android It says Error: Failed to find 'ANDROID_HOME' environment variable. Try setting ...
0
votes
0answers
32 views

add executable to path not working

I am aware that: 1- defining an executable to PATH is done in .bashrc file or .profile or in etc/profile or etc/environment. 2- to get effect, I have to source the file (source ) or restart the ...
3
votes
1answer
146 views

Background not changing using gsettings from cron

I'm trying to change my wallpaper to a random image using Indrajith Indraprastham's suggested script here: How to change desktop background from command line in Unity? When I run the script from a ...
1
vote
1answer
187 views

Environmental variables for anaconda

I'm new to UNIX. On my windows work computer I have anaconda and do a lot of Python work. I installed anaconda on Ubuntu 14. I would like to type conda or activate in a terminal and have those work....
-1
votes
1answer
71 views

Installing Android Studio Application [duplicate]

how to add android-studio/bin/ to my PATH environmental variable?
1
vote
2answers
361 views

14.04 inside docker “TERM environment variable not set”

I am running an ubuntu 14.04 inside a docker container. My image is build from the official ubuntu:14.04 image) The Docker file is almost identical with this https://github.com/pfy/erpnext/blob/master/...
1
vote
1answer
52 views

How does LXDE/Openbox create the app/process environment?

I want Thunderbird to use a different date/time format. A few minor mods in the .bashrc file and we're good to go. export LC_TIME=en_DK.utf8 # yyyy-mm-dd 24:mm But this only works when Thunderbird ...
1
vote
0answers
66 views

Ubuntu 14.04 LTS compass run from another user

I have an Ubuntu 14.04 VM and 3 users (root, prod, git) prod$ groups prod git$ groups git prod I have installed ruby on the VM for every user and ran source /home/prod/.rvm/scripts/rvm so I could ...
1
vote
1answer
291 views

Unable to launch Spark

I followed this answer. I am getting this error: spark-class: line 86: /usr/lib/jvm/java-8-oracle/bin/java: No such file or directory And to my surprise, I have: gsamaras@gsamaras:/usr/lib/jvm$ ...
0
votes
2answers
57 views

How i can run java from terminal? [closed]

I've copy the java from downloads folder to the bin folder and I've tried so many ways to set it. So can just type java in terminal. But it always not working. Please help me.
0
votes
0answers
126 views

HBase and Java_HOME

I have set JAVA_HOME. Nevertheless HBase doesn't recognize it. vagrant@precise32:/usr/local/hbase-1.0.3$ echo $JAVA_HOME /usr/lib/jvm/java-1.7.0-openjdk-i386 vagrant@precise32:/usr/local/hbase-1.0.3$ ...
0
votes
1answer
92 views

Ubuntu 15: after installing and configuring java, echo $JAVA_Home is working, Java -version is not working [duplicate]

I have installed the oracle Java 8 and configure it. cmd-> echo $JAVA_HOME /usr/lib/jvm/oracle_jdk8 cmd-> echo $PATH /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/...
1
vote
1answer
37 views

What files are ran when I log into the desktop?

I don't know how to phrase this to be clear. I'm not talking about terminals or shells, I know what the difference between login and non-login shells are. What I want to know is when I start up my ...
2
votes
0answers
58 views

Per-application xfwm theme

I want to run separate applications with different themes, the only solution for this that I could find was to use bash -c 'GTK2_RC_FILES=/path/to/gtkrc program'; however, I currently am using a XFCE4 ...
0
votes
3answers
76 views

How do i efficiently use environment variables?

I'm curious about learning about choosing correct env. variables. How to make out setting what env. variable would get the job done Example: if you want to make sure that command history always ...