better readme

cheatsheets/firewall.md

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+# Firewall
+
+### Show rules
+
+```sh
+pfctl -sr    # view rules
+pfctl -ss    # view state
+pfctl -si    # view stats
+pfctl -sa    # view all
+```
+
+### Write rules
+
+`/etc/pf.conf`
+
+```sh
+lan = stge0
+block out tcp from $lan to any port {80,443}
+```
+
+### Apply rules
+
+```sh
+pfctl -d
+pfctl -f /etc/pf.conf
+pfctl -e
+```
+
+

cheatsheets/network_settings.md

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+## Networking
+
+### Set IP Address on interface `em0`
+
+`vim /etc/hostname.em0`
+
+Dynamic 
+
+```
+dhcp
+```
+
+Static
+
+```sh
+media 100baseTX
+mediaopt full-duplex
+inet 192.168.2.1 0xffffff00
+```
+### Routing
+
+Show table
+
+```sh
+route show
+netstat -r
+netstat -r -n
+netstat -r -f inet -n
+```
+
+Set default Gateway
+
+`vi /etc/mygate`
+
+```sh
+192.168.1.1
+```
+
+### Set hostname
+
+`vi /etc/myname`
+
+```sh
+echo 'OpenBSD' > /etc/myname
+hostname OpenBSD
+```
+
+### Set DNS
+
+`vi /etc/resolv.conf`
+
+```sh
+nameserver 9.9.9.9
+nameserver 1.1.1.1
+```
+
+

cheatsheets/rc.server.ksh

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+#!/bin/ksh
+
+daemon="/usr/local/bin/node"
+daemon_user="_stevault"
+daemon_execdir="/usr/obj/stevault/backend"
+daemon_flags="/usr/obj/stevault/backend/dist/index.js"
+daemon_logger="daemon.info"
+
+. /etc/rc.d/rc.subr
+
+rc_reload=NO
+rc_bg=YES
+rc_cmd $1
+