FreeBSD にmackerel-agent いれる

(NATの中のやつ想定 セキュリティ無視)
https://golang.org/dl/
wget https://storage.googleapis.com/golang/go1.7.4.freebsd-amd64.tar.gz --no-check-certificate
tar zxf go1.7.4.freebsd-amd64.tar.gz
cd go/
export GOROOT=`pwd`
cd bin
export PATH=`pwd`:$PATH
export GOPATH=`pwd`
git clone https://github.com/mackerelio/mackerel-agent.git
cd mackerel-agent/
make clean build
cd build
cp mackerel-agent /usr/local/bin
mkdir -p /root/Library/mackerel-agent/
cat > /root/Library/mackerel-agent/mackerel-agent.conf
apikey を追加

/etc/rc.d/
touch mackerel-agent
cat > mackerel-agent
#!/bin/sh
/usr/local/bin/mackerel-agent &

chmod 777 mackerel-agent
./mackerel-agent

Conffileは
./config/config_freebsd.go
を変えても意味がないので
vi main.go +89 あたりを直接編集すること