How to run a program in a clean environment in bash?
I want to run a program in an empty environment (i.e. with no envariables set). How to do this in bash?
environment-variables
“not a valid identifier” when I do “export $PATH”
When I run export $PATH in bash, I get the error not a valid identifier. Why?
Set environment variables for gnome on wayland and bash on virtual terminals (or ssh)
Gnome 3.22 uses wayland by default. Gnome on wayland does not read ~/.profile (or ~/.bash_profile or /etc/profile). See https://bugzilla.gnome.org/show_bug.cgi?id=736660.
What is the difference in usage between shell variables and environment variables?
I actually did not know there are two different types of variables I can access from the command line. All I knew is, that I can declare variables like:
Where have I set my bash PATH?
I want to remove ~/bin from my PATH. I set it up months ago when Linux (Ubuntu) was very new to me, but I don’t know how I added it…
Env vars in /etc/environment not globally visible?
I am trying to create a systemd service;
Is GNOME Terminal a type of non-login shell?
According to the answer to What are login and non-login shells? on Ask Ubuntu, GNOME Terminal is a type of non-login shell.
As pointed out in the excellent book, A Practical Guide to Fedora and Red Hat Enterprise Linux, 6th Edition:
How to make unix service see environment variables?
I have set my environment variable using /etc/profile:
What is the difference between ‘env’ and ‘printenv’?
What is the difference between the two commands env and printenv? They both show the environment variables, and the output is exactly the same aside from _.
Removing a directory from PATH
I’m trying to compile wxWidgets using MingW, and I have cygwin in my path, which seems to conflict. So I would like to remove /d/Programme/cygwin/bin from the PATH variable and I wonder if there is some elegant way to do this.