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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How to set truly global environment variable?

I am working on a Mac and I tried setting them in /etc/launchd.conf and tried running a Java program from shell and the same program from Eclipse. I get two different outputs for System.getenv() in ...
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24 views

Why is my IP address appearing in the email header even though I am using a proxy server?

When I visited a proxy-check site accessing through a proxy server, I found that my true IP didn’t appear. But in the header of the mail that I sent accessing through the same proxy server, there ...
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1answer
20 views

Is it possible to have the PATH environment variable update without logging off?

In Windows 8.1, if I change the Environment Variable for PATH under either System or User and open a command prompt and execute path, whatever I appended to PATH is not shown unless I sign out of my ...
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What is the path environment variable? [duplicate]

I just started with using the (Windows) command line tool for working with npm. And I end up quite often on StackOverflow when I'm stuck with some error and the solution is often to add [something] to ...
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2answers
20 views

How can I set up an environment variable to work with TCC?

I am trying to set up TCC on Windows 7, but I can't seem to make it work dynamically from cmd To be able to invoke the compiler from everywhere on your computer by just typing "tcc", please add the ...
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1answer
7 views

Unable to open display to specific user in Red Hat 6.4

I am trying to install Oracle database 11g in my Red Hat 6.4 and the installer aborts with a warning followed by an error message: Warning ">>> Could not execute auto check for display ...
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1answer
76 views

What is the scope of “exported” in Unix shell variables?

I have set some environment variables in the following way: MY_VAR='helloworld' export MY_VAR Then I have switched to another user via su SOME_OTHER_USER I echo the MY_VAR variable.. and I see ...
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Lock one standard user with one desktop environment

I'm a Windows user who is trying to get over to the Ubuntu platform. Slowly I find answers to my question, but this time I couldn't find my question in here. I hope I can make my question clear enough ...
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1answer
26 views

Is it possible to substring an environment variable in a windows 7 shortcut? [duplicate]

If I have an environment variable in Windows such as %username% if there any way I can substring that? I'd like to substring it down to the first 8 characters.
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50 views

Why is the directory Windows/Temp used instead of the Local user Temp when using %TEMP%

After installing my system in a new season of work, you must create a mechanism to actualize the same. This mechanism of this command line: schtasks /CREATE /SC onstart /DELAY 0015: 00 /TN "AppName ...
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2answers
42 views

Append to System PATH variable without including the User's PATH variable

Imagine the following environment variables: System PATH = C:\Windows Bob's User PATH = C:\Users\Bob In a command prompt the PATH command returns C:\Windows;C:\Users\Bob After running setx /m PATH ...
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1answer
47 views

Permanently remove an environment variable

While installing Android Studio, it installed Jayatana as a dependency. Now when I ran java, it showed me a message as: Picked up JAVA_TOOL_OPTIONS: -javaagent:/usr/share/java/jayatanaag.jar I ...
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2answers
49 views

How do you create system variables via batch file for Windows 7?

How can I create a batch file which creates a new system variable? (You know, in advanced system settings > environment variables > System Variables). I want to create a new variable named ...
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3answers
68 views

Cannot resolve %windir% on Win 7 64-bit

I'm having a problem with my laptop, it can't resolve the %windir% environment variable. I checked on the net and find that the PATH variable must be under 2024 characters length. Mine is 3145. ...
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1answer
34 views

Unknown path in my environment variables

I have a path in my Windows 8 Environment variables .bin;does this make any sense? Is it most likely a typo or typeover? I was having some issues with Chocolatey working in my Console2 and when I ...
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1answer
58 views

Reuse of environment variables in Path

Is it possible to reuse environment variables in the Path environment variable from PowerShell? There are some environment variables like %SystemRoot% defined and are used in Path variable ...
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17 views

Starting a chroot and drop into nonprivileged user home

I need to (temporarily) jail a non-privileged user. I tried something like: sudo chroot --userspec=mcon:users /wherever/chroottarget /bin/bash -i This almost works, but it doesn't set env vars ...
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27 views

Can the %PATH% be recovered without any Restore Points?

I just found out that my PATH system variable in Windows is nearly empty (it has only the path to the ExtFS tool - I installed that one recently , and I'm guessing it overwrote the Path instead of ...
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15 views

How do I set $LESS invocation options in a lesskey file?

I'm trying to use less's lesskey-file support, as described in the manpage: KEY BINDINGS You may define your own less commands by using the program lesskey (1) to create a lesskey file. This ...
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33 views

cwrsync on Windows 7 and setting PATH variable

The rsync command rsync.exe -av -riz -e "ssh -p 2222 -i d:/vagrants/rails-dev-box/.vagrant/machines/default/virtualbox/private_key" --delete --delete-excluded --exclude ".git" --exclude "cwrsync.*" ...
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1answer
37 views

How to start terminal in which bash is running with adjusted environment variables?

I'm using Xubuntu with XFCE. I would like to write a bash script which opens a new tab in the xfce4-terminal. In this tab, the bash should be running with an altered PATH environment variable. ...
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2answers
37 views

How to use environmental variable in explorer for quick folder access?

I am a user of Windows 8. I frequently create and save document files to a folder with long path. Therefore I tried to create a environment variable for that folder MyFolder, to get fast access. ...
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156 views

The Voodoo XP error you cant fix . RDP / MSTSC.exe - cannot find <LANG_NAME>\mstsc.exe.MUI

I keep getting the error cannot file C:\Windows\System32\<LANG_NAME>\mstsc.exe.MUI I do have this path C:\Windows\System32\US_en and this one too C:\Windows\System32\en and I made ...
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3answers
38 views

How to export an environment variable inside window manager?

I can export VAR="value" and use $VAR from within a terminal until I close it. Is there a way to get this behaviour, inside a window manager/graphical environment? exporting an environment ...
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1answer
44 views

$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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2answers
27 views

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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1answer
39 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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36 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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1answer
65 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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1answer
51 views

User vs. System Environment Variables: Do System Variables Override User Variables?

I have elevated rights to my laptop but not admin rights. Admin rights are required to modify system environment variables. I expected that if I created a user environment variable with the same name ...
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1answer
97 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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56 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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26 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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1answer
50 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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1answer
34 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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25 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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35 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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32 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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33 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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1answer
40 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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29 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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1answer
82 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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1answer
27 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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1answer
46 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
44 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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2answers
70 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 ...
2
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1answer
82 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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92 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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67 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 ...