Environment variables are system-wide variables which share the same value. These variables are often parsed by the shell when executing commands, and are expanded into their appropriate variable. For example, this allows users to move file locations without needing to update hard-coded paths in ...

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$HOME is not defined for root user on Ubuntu 14.04

On a fresh Ubuntu 14.04 install, the bash environment for the root user does not have $HOME defined. I need to run some apps from a root shell, for example: gdb /usr/sbin/apache2 This is difficult ...
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why 'export $Path=$Path:dir' won't work?

I am just wondering why do we need to use this command export Path=$Path:dir why does the command not look like export $Path=$Path:dir/dir'
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31 views

Environment variables on Linux-like systems

How to set environment variables for a user in most generic way that is independent of shell environment variables (like profile for Bourne-like shells, bahsrc, zshrc, zshenv, ..)? The idea is to set ...
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26 views

Is there a window manager that allows you to set environment variables

My problem here is that I often stays logged in for a considerable amount of time and the usual methods of setting environment variables doesn't work in a satisfactory way: If I set environment ...
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41 views

Windows 7 CLI not recognizing commands without specifying extension

I've apparently gone and mucked up my system in a strange way. Windows 7's cmd prompt is no longer recognizing any executable or batch files unless I explicitly type their extension. ...
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38 views

cmd error “The system cannot find the path specified.”

I am getting this error when I am doing a cd into a directory I stored in environment variables. But the thing is, when I cd into the same directory using the same ev using vim, I can successfully cd ...
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12 views

Set IIS to run with environment variable

I'm trying to run IIS with the COMPLUS_ZapDisable environment variable set to 1. Per this link (which shows how to do it for regular exes), I hope this will allow me to load non-optimized versions of ...
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15 views

OSX seems to be ignoring any DYLD_* environment variables

I'm attempting to use a 3rd party SDK which is primarily written in C++. Their recommended approach for running the compiled output (an ODBC driver) on OSX includes setting an environment variable ...
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44 views

How to append to the user %PATH% from command line

I found plenty of questions like this one on StackExchange but no one work in my specific case. I would like to easily add literally %FOO% to the user environment variable PATH. I found the ...
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Windows envoriment variables deleted

I accidently deleted the Enviroment Variables from my Windows 8 machine. I tried to put them back by my own and I came across this problem: When I open the CMD using CTRL+R I can normaly use the ...
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29 views

Is there any way to have Cygwin tools in PATH without them replacing Windows commands?

I would like to be able to use GDB, GCC and such straight out of a windows command prompt, so I put my Cygwin bin directory in my Windows path. Problem is that Cygwin programs now take priority over ...
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14 views

How to acchieve what http_proxy environment variable does for all traffic leaving the system?

I set up a trafficserver (5.1.2) instance as HTTP cache on a machine in my local network and now I'm looking for a way to enforce the usage of the proxy for HTTP requests to the outside world on port ...
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25 views

Centos server change environment PWD

I've a Centos Linux 6.5 server. If in the root (/home/wwwuser/) of this server I execute phpinfo.php, I notice that under "environment" PWD is set to /home/wwwuser/test/. I tried to rename that folder ...
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22 views

Server 2012 R2 Folder Redirection via Enviroment Variable

Is it possible to redirect documents using enviroment variables in server 2012 r2? For example, I have an application that is writing files to ...
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27 views

environment variable in registry on windows 7 x64

Im playing around with this guide for creating a default profile on Win7 and can't seem to get it working correcting: ...
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15 views

Enviroment modules for Windows?

I am starting to learn how to use modules (http://modules.sourceforge.net/) on a hpc server and I like this very clean solution. Is there any tool like modules for windows? I am just interested of ...
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25 views

Grep fails to find sequence after assign to variable

I run: awk -F ',' '{print $2}' data.dat | sort | uniq | tr '\n' ',' | grep "*)>nS4XkrlH @XUL" and the sequence is located in results. Then I run b=`awk -F ',' '{print $2}' data.dat | sort | ...
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22 views

Batch conditions and variable

I have a question about variable and batch windows. The main goal is : I have files in directory (pattern 0? with ? a number between 0 and 9). First I create a %%nf.bat (filename of each files) ...
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43 views

Java runtime environment path issues

I've had a problem with my Java installations for quite some time and I've never had time to sit and try to fix this problem. So I went ahead and uninstalled all the various versions of Java I'd ...
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25 views

Are User-specific environment variables in Windows 7 stored locally or in the profile

I have some libraries like Qt and OpenCV which are installed locally on several machines. The environment variables such as QTDIR and QMAKESPEC are user environment variables. Will these be stored ...
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41 views

Wrong environment Settings invoked in Commands

Getting wrong and extra pathnames in error messages using "For /D", "dir" and "if exist" commands when running the non-Powershell batch code to elevate UAC privileges code here. This has been noted at ...
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1answer
32 views

Effect of Windows environment variables (especially OMP_NUM_THREADS)

Does setting OMP_NUM_THREADS=1 in the global environment variables (via Control Panel -> Sytem -> Environment variables) affect only programs run from the command prompt or all programs?
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50 views

Store command output in variable

If I do z='ls' and then echo $z it will print the directory I listed, but without newlines or formatting. I assume lack of colored formatting is impossible to get around, but would it be possible to ...
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1answer
61 views

Dynamic variable substitution in PATH

I want to run different versions of Java on the same machine (Linux Mint 17) with default to Java 7. So I put this into /etc/environment: JAVA_HOME="/tools/java/java7" JAVA7_HOME="/tools/java/java7" ...
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54 views

Alternative ways of passing PS1 env variable into Ubuntu for SSH session

I know that there are twenty thousand answers, none of them worked as expected, I'm more surprised than you are, so please consider reading the story first. I'm trying to achieve what appears to be a ...
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40 views

max length for PATH environment variable

Using Windows 7 x64 I've noticed that if you add too much stuff to your PATH environment variable it stops working. There appears to be a max length for the PATH environment variable and I'm curious ...
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VIDLE does not work path

I have Python 2.76 on Windows 7. Canopy, pyserial and now VIDLE I have 64 bit processor so I checked that I chose 32 bit for all the software as the Arduino tutorial I want to do suggested. VIDLE ...
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27 views

Difference between su and su -c (environment variables?) when running db2?

When I type this: su <user> -c "/home/<user>/sqllib/bin/db2 catalog tcpip node <dbName> remote <ip> server <port>" I get this error message: SQL10007N Message "-1390" ...
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277 views

How to set environment variables for a terminal application on OS X Yosemite?

I am trying to make ABD tool to work in my terminal and I found that the likely reason why I get the command not found warning is that I need to set the environment variable's path. I found that I ...
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21 views

How do I set the PATH variable for a service that's running as a non-login user?

I'm running a GitLab server on a Linux machine using Nginx as a Webserver. Several processes (started either manually as root with /etc/init.d/foo start or automatically as sub-processes) run as ...
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2answers
33 views

How to shrink the prompt of a long path using environment variables in OS X (extend '~')

I've seen this working with the gemset environment, I would like to reproduce it now that I need to work on a very indented directory path. Basically I had a $GEM_HOME environment variable pointing ...
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1answer
328 views

How to include environment variable in bash line CURL?

Trying to get Transmission to notify when download complete. This works: curl -u <my-api-token>: \ -X POST https://api.pushbullet.com/v2/pushes \ --header 'Content-Type: application/json' ...
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38 views

Windows path and semicolon

In Windows 8.1 I have an environment variable LATEX equal to C:\Program Files\MiKTeX 2.9\miktex\bin\x64 and the path variable set to %JAVA_HOME%\bin;%ANT_HOME%\bin;%LATEX% The problem is ...
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58 views

msys2 shell uses different PATH depending on launch

When I start the msys shell via the created shortcut, it executes cmd.exe /A /Q /K C:\msys64\msys2_shell.bat and it uses the current PATH environment variable. But when I start ...
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22 views

Why does system PATH seem to be cleared?

I have this strange situation at work where me and some other guys regularly have problems with our system PATH environment variable. Whenever that happens, we have problems like shortcuts that stop ...
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1answer
34 views

Where do the variables of a new BASH shell come from?

I am puzzled as about how environment variables work. From what I am aware, for a new process to have some environment variables, its parent must have issued export. But what about all the variables ...
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1answer
22 views

Unset bash variables referring to non-existent directories

I have a file which is sourced by an application, adding relevant directories to $PATH and $LD_LIBRARY_PATH. This is fine, but it results in somewhat excessive pollution of the $PATH and ...
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29 views

When running a program as a Windows 7 service, where does the HOMEPATH variable map to?

I have a program that's being run as a Windows 7 service. In the program, the HOMEPATH environment variable is being used to set the location of a file. Normally, when the program is simply ran at a ...
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1answer
53 views

I changed my system path in system variables, how can I bring it back to what it was?

I've been trying to unlock my htc device's bootloader and I couldn't get a fastboot command from the cmd to work. I had tried everything and eventually I found this site which said that I just have to ...
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1answer
20 views

In bash, declare an alias that depends on current variable content

I would like to declare an alias in my .bash_profile that will use the content of a variable when the alias is used and not when it is declared. Ex: alias goSomeWhere="cd $BASE/somewhere" When ...
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1answer
22 views

Java Path Set Issue

I am using win server 2008, Trying to set java path. I set it in both user variables and system variables. yet, I couldn't access java. But when I check in java installed path It is working fine ...
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2answers
30 views

2 java versions and unable to change environment variable

I am working on Mac OS 10.9 I did not know that macs come with java by default. So I installed my own java(version- 1.8.0_20) Now here is the confusion - I have a java in the following locations - ...
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1answer
81 views

Git is in the PATH, but is not being recognized as a command

I've recently reinstalled Git, and I just can't get it to run off the native Windows command prompt anymore. I'm sure it is in Path environment variable, as you can see: C:\Users\Ult>where git ...
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1answer
17 views

Call “Environment variables” dialog from Win-r

In Windows, if one presses Win-r, and types there, e.g. control the control panel opens. Is there a Win-r shortcut for environment variables dialog?
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33 views

set environment variable from batch

When I set a environment variable envir using setx command, It seems to not actually 'set' in environment. setx envir "windows" if 1==1 ( setx envir "unix" ) echo %envir% set The set command ...
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1answer
84 views

Is there a way to “source” a sh script from the fish shell?

I like to put many of my environment variable definitions in the .profile script. If I am using a POSIX-compatible interactive shell like bash, I can use the source command to re-export the ...
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66 views

Windows Environment Variables

I am very confused on what is incorrect with my Windows Path variable. In my System Settings I have the System Variable Path set to: ...
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user path not merged with system path

On my Windows 7 machine, for some reason the user path is not merged with the system path variable when I start a new command prompt. I have seen other related questions answered by a reference to a ...
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194 views

ERROR: Invalid syntax. Default option is not allowed more than '2' time(s). Type “SETX /?” for usage

I am trying to set my environment variable for my system using setx PATH="%PATH%;c:\PROGRA~2\Vim\vim74;" command in cmd. I get ERROR: Invalid syntax. Default option is not allowed more than '2' ...
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54 views

Are there rules to Windows 7 Environment variable names?

On my Windows 7 computer, I created some custom user environment variables (right-click computer > properties > "Advanced system settings" > "Environment Variables..." > "New..." for "User variables ...