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

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6
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1answer
1k views

Locale environment variable settings do not take effect

I have a Debian 6 (64-bit) VPS where I cannot seem to get the locale environment variables LANG and LC_* set. (Everything below as root). vps:~# locale -a C POSIX en_US.utf8 nl_NL.utf8 vps:~# locale ...
3
votes
1answer
55 views

Protecting process's envvars from exposure

From I've read about current best practices for developing web applications (such as the Twelve Factor guide), the recommended approach for storing configuration data is within environment variables. ...
1
vote
1answer
21 views

How can I set kerberos principal in environment automatically on the remote host?

I use both legacy krsh and ssh to login to a variety of boxes for root administration, as do several colleagues of mine. We all keep different history files by use of a variable calculated by running ...
1
vote
1answer
41 views

Relation between shell start up processes and environment of parent process

"How are shell variables related to the environment that a process started by the shell has on start-up?" I read If processes inherit the parent's environment, why do we need export? My current ...
1
vote
1answer
210 views

Environment Variables not getting set in bash_profile

I have my bash_profile environment setting as follows: if [ `hostname` = "devoraebs01" ]; then echo `hostname -f` . /appl_top/deverp/appl/APPSDEVERP_devoraebs01.env When I log into this host, ...
1
vote
1answer
492 views

Multiple MODULEPATH entries in .modulesbeginenv

I'm switching between paths/code projects. At each place I have different modules. To handle this there is a setup script that modifies what to use. This is handled with the tool 'module'. NOTE: ...
1
vote
1answer
514 views

Executing commands with PHP: using normal user, but its home directory is /root

I'm using a custom compiled installation of Apache + PHP, listening on port 80. Apache is configured to run as a normal user, with the proper settings User and Group of the httpd.conf file. After ...
0
votes
1answer
41 views

“export VAR=thing && someCommand” reports “export: `&&': not a valid identifier”

I'm trying to set an environment variable and execute a command in a single line, like this: export PUB_CACHE=/app/src/.pub-cache && dart-sdk/bin/dart server.dart (Don't ask why... it's ...
0
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1answer
42 views

env -i and bash-c

Can someone please help me understand the difference between bash -c 'echo $SHELL $HOME $USER' and env -i bash -c 'echo $SHELL $HOME $USER' I tried going over it many times but I still don't get ...
0
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1answer
97 views

Pass environment variables to clean chroot in Arch

I am writing a PKGBUILD for Arch Linux. The package is large and compressing/uncompromising it take considerable time for limited space savings and I would like to turn it off while I am writing the ...
0
votes
1answer
183 views

csh: Terminal inherits environment variables from an unknown location

I'm on a shared machine running CentOS 5.10 that I log onto using VNC from Windows 7. Our default and official shell is csh. Every time I open a new terminal, I have three particular environment ...
0
votes
1answer
528 views

Possible to pass env vars into chpst without envdir?

I use runit to daemonize my web application, and I'm trying to see if I can have my process managed by sv not have to have a corresponding envdir for its environment variables. I wonder if I can just ...
0
votes
1answer
208 views

make custom commands on android 4.4.2

I want to program and debug in my android phone. To do that I downloaded c4droid and it's gcc plugin. after a lot of tries I understood that gcc is in directory ...
0
votes
1answer
139 views

Issue due to scope of environment variables

I had an Internet connection problem which turned out to be related to setting up the appropriate proxy environment variables. After adding lines like export ...
0
votes
1answer
2k views

Runtime parameters for a systemd service

I am a little confused about how runtime parameters are normally supplied to a systemd service. The general idea I have is that the following happens: There is a file that contains the environment ...
0
votes
1answer
881 views

How to specify a custom include directory in Debian?

I am trying to compile my program on a Debian system via ssh and without root privileges. PRETTY_NAME="Debian GNU/Linux 7 (wheezy)" NAME="Debian GNU/Linux" VERSION_ID="7" VERSION="7 (wheezy)" I ...
-1
votes
1answer
192 views

How can I execute and export in a single shellscript

I have two shell scripts. $ cat java_alternative_7 #!/bin/sh sudo update-java-alternatives -s java-7-oracle $ cat java_home_7 #!/bin/sh export JAVA_HOME=/usr/lib/jvm/java-7-oracle It's simple that ...
4
votes
0answers
104 views

Is it possible to make an exec call that “returns”?

Is there a way to make the exec system call work like a function call that returns instead of totally replacing the current process image? My motivation is trying to integrate two shells with ...
3
votes
0answers
83 views

Configure where GRUB2 environment block is located

I have Arch, Ubuntu, and GRUB2 installed on a BTRFS filesystem. I'm aware that GRUB cannot write to BTRFS for a variety of good reasons, and therefore cannot save environment variables to ...
3
votes
0answers
451 views

assigning a multiline variable (tcsh prompt) to another

For tcsh, I have a prompt that is multiline: set prompt = "%/\\ %n@%m[%h]% " This shows the cwd on one line and then the user/host on second line. However, with this, I cannot make a copy of that: ...
2
votes
0answers
416 views

Debian ignores PAM env variables (while Arch doesn't)

I have a weird issue with my Debian Sid system. I want to set a global environment variable in /etc/environment, which is supposed to be read by the pam_env module. Unfortunately, after having relogin ...
2
votes
0answers
540 views

Reading from /etc/environment with sudo

Using Ubuntu 14.04 LTS, I'm having a problem trying to read environment variables from /etc/environment when using sudo env. Basically, they are not being displayed. When I do just env, these ...
2
votes
0answers
102 views

Why does xdg-open text_file differ from sudo -u me xdg-open text_file?

If I run the following command, the text file opens in my preferred editor (kate). $ xdg-open text_file However, if I try the following, where sparhawk is my username, I get several warnings, and ...
2
votes
0answers
85 views

Envirnment variables for packages built in custom location

Some time ago (month or so) I started to install packages that I build from source in custom location ~/.local so that I can easily distinguish which I build from source, and for other reasons, ...
1
vote
0answers
55 views

Setting the LANG environment variable for xfce

I am on a multi user Debian Stretch system which has en_US.UTF-8 as default locale, but I want de_DE.UTF-8 for my user. I was able to set it for terminals, by adding export LANG=de_DE.UTF-8 to ...
1
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0answers
31 views

Piping to 'tee' commands prevents changes in environment variables

I have a csh script using which I modify certain environment variables and echo values of these environment variables from within this script. I source this from another script: source ...
1
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0answers
47 views

Setting environment variable using shell script

I am using csh scripts for some automation purpose. I have a number of scripts, and the beginning of all of which I need to set a fixed set of environment variables. |----SCRIPT 1---| |----SCRIPT ...
1
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0answers
35 views

If processes can't modify their parent's environment, what is MC doing?

As far as I know, a process cannot modify its parent's environment. However, when I run mc (GNU's Midnight Commander, a curses-based file manager) and then quit it, I end up with another $PWD: ...
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0answers
387 views

$PATH variable on Fish Shell OS X

I have somehow screwed up my path variables with Fish shell on OS X. Is this the proper $PATH variable in the config.fish? user@host ~> more ~/.config/fish/config.fish set -g -x PATH ...
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0answers
109 views

What does CRON=1 do?

What does setting CRON=1 do when set in front of a command? CRON=1 ./foobar.sh I suspect that the cron environment variable does something for printing to standard out. But I can't find anything ...
1
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0answers
79 views

How to set environment variable for BACI compiler and interpreter?

I have installed executable files for BACI compiler and interpreter in my Ubuntu system. But now every time I have to compile my .cm file I have to go to the program folder and run ./bacc and ...
1
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0answers
111 views

export -f in .bashrc after upgrade to bash 4.3.30 kills builtins?

I recently upgraded my bash (Mac OS X 10.6.8) from 3.2.48(1) to 4.3.30(1) via macports, and while the install seems to have gone smoothly, the two spots in my ~/.bashrc where I had export -f myfunc; ...
1
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0answers
161 views

Setting XDG_DATA_HOME and XDG_CONFIG_HOME on compile/per program

The goal is to have a -dev version and a stable repository-based version installed at the same time, but with different data and config directories so that the dev version is not operating on(and ...
1
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0answers
50 views

Programmatically obtain LILYPOND_DATADIR for execlp() call

I wrote an application that calls lilypond by execlp()ing it. However, when my app executes this line, the following error occurs: GNU LilyPond 2.16.2 warning: not relocating, no 2.16.2/ or current/ ...
1
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0answers
82 views

Create global enviromental variable after boot

I know about /etc/profile and /etc/environment, but I would like to set a global environmental variable after boot and login. By global, I mean an environment variable that can be accessed by any ...
1
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0answers
139 views

Setting environment variables at runtime in KDE4

Is it possible to set an environment variable at runtime, affecting all the programs started from the DE after that point (Desktop Environment, in my case KDE4) (without rebooting)? I know it it ...
0
votes
0answers
18 views

How to make cron job which suspends computer before specified time of the day

I am trying to make script which suspends computer if it is used before specified time of the day or if it is used too long. #! /bin/bash ...
0
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0answers
15 views

Environment Modules: installing software

I understand how Environment Modules work, having used them before. I have read the various help pages, and I understand how to write a module file. My question is explicitly about the various ...
0
votes
0answers
17 views

Run VNC at startup as root - HOME variable not being set

I have the following code in /etc/init/vnc.conf (used by Ubuntu 14.04's Upstart): description "VNC on start" author "user129013" start on runlevel [2345] exec /root/vnc The job is running ...
0
votes
0answers
14 views

Export variable failed when I was compiling NETCDF

I'm compiling NETCDF on Linux. After configure, make,make install, I have already install NETCDF on /disk3/lly/lib/netcdf-4.1.3. Then, using vim ~/.bashrc,edit: export ...
0
votes
0answers
18 views

How to make versions consistent

I'm using OS X 10.10, and IIRC I've installed bash and other GNU utilities using brew. The output of which bash is /usr/local/bin/bash, and it's version is 4.3, however the env variable SHELL points ...
0
votes
0answers
25 views

Supervisord fails to run a program

I've a program that I try to run with supervisord but keep failing. The following is supervisord configuration: $ cat /etc/supervisor/conf.d/application.conf [program:application-web-1] command=env ...
0
votes
0answers
73 views

Custom GCC installation - how should I set my environment variables?

After some pains I was finally able to build me a gcc 4.9.3 (I don't have root on the machine I'm working on, and Fedora 22 doesn't package gcc 4.9 anyway). And it even works, i.e. using it to compile ...
0
votes
0answers
30 views

What environment variables to set when building and installing as regular, non-root user?

Scenario: Using GNU/Linux tools, I want to configure, make, and install to $HOME/custom as a regular, non-root user. Are the following Bash environment variables reasonable? export ...
0
votes
0answers
215 views

JAVA_HOME set to /usr/lib/jvm/jdk1.8.0_60, yet when running java it does not work?

I needed to set JAVA_HOME and DATABASE_HOME to install Adempiere, so I did it by editing .bashrc as shown here, and then restarting virtual machine. [Linux version is Ubuntu 14.04.3]. When I run ...
0
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0answers
79 views

How do I send a variable through SSH so it can be used across servers? C Shell

EDIT: Would this be possible in bash? Note: I have to use C shell. (.csh) I have something very similar to the following code: set var = "string" ssh -X server "$var" << END * I ...
0
votes
0answers
59 views

Can I run a single program without running it through a window manager? (Gnome, Technic-Launcher)

I'm running into an issue with Technic-Launcher being completely white when run in gnome, but it's fine in other DE's. The developer says it's an issue with mutter and undecorated java windows. Can I ...
0
votes
0answers
15 views

Pip managed python extending distribution packaged modules

I am looking for recommendations on extending the python library managed by my arbitrary distribution with packages available via PPI. Basically I have been working with a distro managed installation ...
0
votes
0answers
31 views

Why does not changing changing LC_ALL from utf to C speed up my grep?

I wanted to try to speed up my already fast grep. I read that changing lc_all from utf to c was supposed to do this. However, it gives no speedup. What might the reasons be? How do I "debug" this? ...
0
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0answers
108 views

glxinfo does not see environmental variables?

I am running following 32 bit command on 64 bit system: LIBGL_DEBUG=verbose glxinfo32 -v -t | head -5 It's output says direct rendering: No (If you want to find out why, try setting ...