erdoukki

A collapsible section containing markdown

Click to expand!

Heading

1. A numbered
2. list
   • With some
   • Sub bullets

erdoukki

# ========================================================
# Setup a Dumb AP, Wired backbone for OpenWRT / LEDE
# ========================================================
# Set lan logical interface as bridge (to allow bridge multiple physical interfaces)
uci set network.lan.type='bridge'
# assign WAN physical interface to LAN (will be available as an additional LAN port now)
uci set network.lan.ifname="$(uci get network.lan.ifname) $(uci get network.wan.ifname)"
uci del network.wan.ifname
# Remove wan logical interface, since we will not need it.
uci del network.wan

erdoukki

#!/bin/sh
# openwrt extroot /dev/sda1 ext4  /dev/sda2 swap
# latest version https://downloads.openwrt.org/releases/19.07-SNAPSHOT/targets/ar71xx/generic/

opkg update
opkg install kmod-usb-storage kmod-scsi-core block-mount kmod-fs-ext4 kmod-usb-uhci e2fsprogs fdisk

echo "
sysctl -w net.ipv6.conf.all.disable_ipv6=1
sysctl -w net.ipv6.conf.default.disable_ipv6=1

erdoukki

require "string"

--[[
    http://httpd.apache.org/docs/current/mod/mod_lua.html
    This is the default method name for Lua handlers, see the optional
    function-name in the LuaMapHandler directive to choose a different
    entry point.
--]]
function handle(r)
    r.content_type = "text/plain"

erdoukki

#!/bin/sh

set -o errexit
set -o nounset
set -o pipefail
set -x

REVISION=8.212.04-r0
URL=http://dl-cdn.alpinelinux.org/alpine/v3.10/community/armv7/
PACKAGES="openjdk8 openjdk8-jre openjdk8-jre-lib openjdk8-jre-base"

erdoukki

So, you want to be able to work from anywhere. You want to be on a mountain somewhere, two bars of 3G signal, and you forward that to your laptop with a WiFi hotspot. Open your laptop and your shell on remote is already open and as responsive as possible. Work/life balance? With power like this, who cares?

Problem Scenario

Often, in academic institutions at least, you have the following situation:

erdoukki

So, you want to be able to work from anywhere. You want to be on a mountain somewhere, two bars of 3G signal, and you forward that to your laptop with a WiFi hotspot. Open your laptop and your shell on remote is already open and as responsive as possible. Work/life balance? With power like this, who cares?

Problem Scenario

Often, in academic institutions at least, you have the following situation:

erdoukki

WireGuard Site-to-Site

Accessing a subnet that is behind a WireGuard client using a site-to-site setup

Problem Summary

We want to access a local subnet remotely, but it is behind a NAT firewall and we can't setup port forwarding. Outgoing connections work, but all incoming connections get DROPPED by the ISP's routing policy.

Solution Summary

erdoukki

Add the following line in /etc/dnsmasq.conf

dhcp-script=/etc/detect_new_device.sh

Setup sendmail to send email to your text number.

Reference:

• https://wiki.openwrt.org/doc/howto/smtp.client

erdoukki

#!/bin/sh 
# place this file at: /etc/hotplug.d/iface/99-login-telekom_fon
# based on source: https://gist.github.com/cusspvz/3ab1ea9110f4ef87f0d2e1cd134aca67

#
# loginscript for german telekom_FON hotspot (NOT the general Telekom Hotspot)
#   technic: uses HTTP POST formular; extract URLs from WIPSr
#

# Preparations