How to set and declare a variable through systemctl?

https://access.redhat.com/solutions/1581063

 SOLUTION UNVERIFIED - 已更新 2015年八月18日15:11 - 

English 

环境

• Red Hat Enterprise Linux 7

问题

• Have set the environment variable using systemd commands.
• How to set and declare a variable through systemctl?

决议

• Use the following command to declare and set a variable.

Raw

# systemctl set-environment VARIABLE=1000

• Add that command in /etc/profile file to get executed at every reboot in case it's wanted for all time.
• There is another way to achieve this, it's explained in the following link of upstream documentation.