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I followed this tutorial to install FreeBSD 10.1 and at the step where it says "Add the following lines to /etc/rc.conf" I must to add the following lines in there:

hald_enable="YES" dbus_enable="YES" performance_cx_lowest="Cmax" economy_cx_lowest="Cmax"

But I'm new in Unix and I don't know how to add these lines in /etc/rc.conf, I tried with cd but it says Too much arguments. How can I add these lines in the /etc/rc.conf?

EDIT: I didn't installed yet a desktop environment.

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  • 2
    I need to ask: What made you try cd? Commented Nov 16, 2014 at 18:42
  • 2
    That was the first thing that came in my head. Commented Nov 16, 2014 at 18:57

3 Answers 3

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There is a dedicated utility called sysrc, which should be already installed on your FreeBSD. For example:

sysrc hald_enable=YES

Here's a one-liner:

sysrc hald_enable=YES dbus_enable=YES performance_cx_lowest="Cmax" economy_cx_lowest="Cmax"

See man 8 sysrc for more details.

Alternatively, for services one can use service(8) to enable a service on FreeBSD 13.0 or later:

service sshd enable

See rc.subr(8) on your system to figure out if the enable command is supported by services on your system.

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  • This should be the right answer. Editing files by hand is evil. It's error prone, it's not script-friendly, and scripting may not achieve the same idempotence. Commented Dec 8, 2017 at 19:02
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You need to learn some sort of text editor. There are several available for FreeBSD like nano, ed, vi, emacs, and many others. I don't want to start a flame war so I'll encourage you to learn them on your own.

If you want to get the really quick and dirty way to acomplish what your asking try:

cat >> /etc/rc.conf << "EOF" dbus_enable="YES" performance_cx_lowest="Cmax" economy_cx_lowest="Cmax" EOF
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    That's complicated for a beginner. You can do echo 'hald_enable="YES"' >> file to append a line to a file. And I fully agree: you need to learn how to use an editor. Commented Nov 16, 2014 at 18:41
  • @Marki oops...forgot to change it back to /etc/rc.conf Now the asker just needs to copy and paste as root. Commented Nov 16, 2014 at 18:46
  • There is an easy editor on FreeBSD called ee. Commented Sep 17, 2017 at 21:33
  • Regarding the ee editor… Described in the Handbook. See man page. Commented Nov 25, 2018 at 7:41
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A simple way would be..

echo "hald_enable="YES" dbus_enable="YES" performance_cx_lowest="Cmax" economy_cx_lowest="Cmax"" >> /etc/rc.conf
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  • You have to use single quotes around expression, that contains double quotes. Commented Nov 16, 2014 at 21:30
  • Nope, tried it myself. Commented Nov 16, 2014 at 21:39
  • 1
    And did the result contain the double quotes as specified in the question? Commented Nov 16, 2014 at 21:53

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