15 июл. 2011 г. · When you run a script, it runs in a subshell. Variables are only valid within the context of that subshell. Set them in your .bashrc or .profile ...

27 авг. 2011 г. · To set an environment variable from a script, use the export command in the script, and then source the script. If you execute the script it ...

27 мар. 2018 г. · By default bash creates a copy of the current environment, executes the script in this environment, then destroys the copy.

3 авг. 2010 г. · To set permanent environment variables in latest Ubuntu versions (from 14.04 and above) add the variables to /etc/environment.

15 мая 2018 г. · The short answer is "No, you can't permanently change an environment variable from within a Bash script".

9 июн. 2016 г. · It is not possible. As you have correctly observed, your script is executing in its own shell. This shell gets a copy of its parent shell's environment when it ...

12 янв. 2018 г. · I have a bash script wich I need to add a system enviroment variable accessible for all users and it should be permanent.

29 янв. 2022 г. · How can I read an .env file and set the variables as bash variables? Currently, I'm able to read it and export them as environment variables.

10 дек. 2016 г. · Variables are not passed to child shells by default, only if they are exported. Think of each bash session as independent (they largely are).

22 янв. 2022 г. · To avoid blocking, use /dev/urandom instead of /dev/random . For most purposes this is just as good.