Replace apache envvars with sed command -


hi guys newbie sed editor , need replace follow line on envvars file:

current line 

export apache_run_user=www-data

i need replace 

export apache_run_user=admin

i tried 

sed -i "s/export apache_run_user=www-data/export apache_run_user=nbadmin/"envvars

this not work. there space between word export , apache. can please sed? in advance.

you missing space before filename.


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