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commit b07c1d2c0248d01779f341d197146cebc0a1e2cf
parent e31832ff2fe4a41534612676cd4b5b07521c84aa
Author: Chris Bracken <>
Date:   Tue, 22 Mar 2022 09:56:10 -0700

FreeBSD: add details about disabling email

If email is disabled, you'll want to configure periodic to write to log
files instead of sending email that pile up in the spool.

Diffstat: | 18++++++++++++++++--
1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/ b/ @@ -23,7 +23,8 @@ the FreeBSD installer. 2. Set hostname (should include domain name). 3. Install `ports`. 4. Auto disk partition. Entire disk. GPT. -5. Network. No IPv4, IPv6. +5. Network. Yes IPv4, no IPv6 unless you have IPv6 set up. For a non-networked + install select 'no' for both. We can set this up later. 6. Set clock to UTC. 7. Enable `sshd`, `ntpd`, `powerd`, `dumpdev`. 8. Clean `/tmp` on startup. @@ -71,6 +72,8 @@ Next, configure wired ethernet for DHCP. In `/etc/rc.conf`, add: # SYNCDHCP forces startup to wait for dhclient to return, DHCP does not. ifconfig_em0="SYNCDHCP" +Either SYNCDHCP or DHCP is acceptable. The default is DHCP. + ### Configure WiFi @@ -104,7 +107,7 @@ router, manually assign a fixed IP address. By default, sendmail operates localhost only. If you disable it, you'll need to enable an alternative mail handler since the system assumes mail -is available. +is available. (See note below) Given that we generally want to disable root login on all hosts, it's useful to forward root's mail to a local user. To do so: @@ -117,6 +120,17 @@ useful to forward root's mail to a local user. To do so: See for details. +Note: you can get away with disabling email completely, but the daily, weekly, +monthly `periodic` jobs set up in `/etc/crontab` send email to root, so you'd +want to configure `periodic` to log output instead of emailing it. You can do +this by adding the following to `/etc/periodic.conf`: + + daily_output=/var/log/daily.log + weekly_output=/var/log/weekly.log + monthly_output=/var/log/monthly.log + +More details can be found in the `periodic` man page. + ### Set the console font