Questions tagged [environment-variables]
A set of dynamic variables that can affect the running processes behavior and access to resources.
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Where to get current http_proxy setting
I have an Ubuntu (22.04) machine, where the proxy is set from GUI.
I have a job running in crontab. How can I access the actual proxy settings from the cron job? In normal shell, there is an env ...
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Why isn't ~/.config/environment.d/*.conf taking effect?
I created the file ~/.config/environment.d/30-electron-ozone-wayland.conf with these contents:
ELECTRON_OZONE_PLATFORM_HINT=auto
This should set the environment variable ELECTRON_OZONE_PLATFORM_HINT ...
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How to permanently set an environment variable avaialble to a snap app?
Is there a way to permanently set environment variables for a particular snap app, or for all snap apps?
I want to start my snap app with a particular environment variable without having to start it ...
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Where do UBUNTU_CODENAME and / or VERSION_CODENAME come from?
In these directions for installing the Docker Engine https://docs.docker.com/engine/install/ubuntu/#install-using-the-repository, an example script is provided and beneath it the comment "If you ...
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I get java.awt.HeadlessException: No X11 DISPLAY variable was set. on Ubuntu server
Hi im running a server with Ubuntu 24.04 LTS , i'm running several minecraft servers on it and now when i try to install a new one i get this error,
java -jar forge-1.20.1-47.2.20-installer.jar
Host: ...
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How to manually set system wide proxy used by gnome-control-center in Ubuntu 22
How do I manually from terminal set the value of proxy server read by gnome-control-center? It doesn't use the http_proxy environmental variable and I notice apps such as Browsers uses value in the ...
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Which scripts modify the path envirorment variable?
Which scripts modify the path environment variable?
What methods can I use to determine which scripts modify the path environment variable?
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Environment variable LOGNAME or USER does not correspond to effective user id
I'm running an Ubuntu 20.04.6 LTS server. The server hosts some Virtualbox virtual machines that I backup with a bash script on a daily basis. That works quite fine. The bash script also sends some ...
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I in linux system I geting many same exported path variable
In my ubuntu system I getting same env variable many times
This is the output of echo $PATH | tr ':' '\n' | less command in zsh shell
/opt/some/bin <<<
/Users/pritam/Developer/system_script
/...
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Concatenate string after grabbing environment variable
I'm trying to concatenate a string with a variable which is in .env file. My .env is this:
API_URL=http://localhost:3030
NODE_ENV=development
And here is my code:
[ ! -f .env ] || export $(grep -v '^#...
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What should I use in instead of ~/.pam_environment (deprecated)?
I used to put user-specific settings like LANGUAGE and PAPERSIZE in ~/.pam_environment, but the manual and the warning emitted on login tells me:
Due to problematic security this functionality is ...
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Trivial pursuit : bash environment variables
I know this works:
FNAME="$(basename $LD_PRELOAD)"
FNAME="${FNAME%.*}"
Can this be expressed in a single line? These are two unsuccessful attempts, thus far:
${$(basename ...
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Environment variable not set in profile.d script
I created a script
/etc/profile.d/mkl_restriction.sh which contains the following line:
export MKL_NUM_THREADS=1
When I log in (via ssh if that matters), the variable is not set, but if I run source /...
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non-login shell sources $HOME/[.local/]bin to $PATH and I can't find why
OS: Ubuntu Desktop 22.04
I am initially logged in as user carl. I open a shell and echo $0, I get the confirmation that I am in a non-login shell. ("bash", no dash)
But when I then echo $...
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What are the implications of using PROMPT_COMMAND like this?
I would like to insert the return code of the last command in reverse red color and inside brackets ([]) plus a colon (:) just before the bash (PS1) prompt. But, only if the return code is non-zero, i....
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