Configure a port adding or removing options before installing.
make WITHOUT="IPV6" WITH="RSS_DIFF SSL" make install clean
Configure a port adding or removing options including dependencies before installing.
make config-recursive make install clean
Install a port and automatically select YES to all questions.
make install clean BATCH=yes
Show compiled options.
make showconfig
Remove current port configuration prior to installation.
make rmconfig
Remove current port configuration recursive prior to installation.
make rmconfig-recursive
echo 'OPTIONS_UNSET=IPV6' >> /etc/make.conf
mkdir /cdrom mount -t cd9660 /dev/cd0 /cdrom
FreeBSD does not have an md5sum command install it like this.
cd /usr/ports/sysutils/coreutils && make install clean
Then use the command like this.
/usr/local/bin/gmd5sum filename
interface_name equals your network card name i.e em0 eth0 wlan0.
/etc/rc.d/netif restart em0
cd into the directory where you get the error then run
ls | xargs rm -fR