You have changed a setting in Postfix's main.cf on a busy server and the change must take effect without the mail system going down even briefly. Type the command, with its subcommand, that makes the running Postfix re-read its configuration files.
LPIC-1 Exam 102-500, objective 108. Essential system services medium
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Answer
Type the answer.
Accepted answers
postfix reload/usr/sbin/postfix reload
Case sensitive — Linux is, and grading LS as ls would teach a falsehood.
Why
The postfix(1) control program drives the mail system as a whole: start and stop bring it up and down, check warns about bad ownership or permissions on its directories, flush forces a delivery attempt for every deferred message, and status says whether it is running. reload is the one to use after editing main.cf or master.cf, and the manual warns explicitly against a stop followed by a start for that purpose. A change to /etc/aliases is different: newaliases must compile the text file into the indexed table first, and postfix reload then only shortens the delay before the new table is picked up.
Where this comes from
- Cited
- manual page postfix(1)
Practise this
Reading one question is not practice. The trainer will draw a short set from objective 108 and space the ones you get wrong.
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