developer-guy

Networking scenarios [Linux Only]

KIND runs Kubernetes cluster in Docker, and leverages Docker networking for all the network features: port mapping, IPv6, containers connectivity, etc.

Docker Networking

KIND uses a docker user defined network.

It creates a bridge named kind

artizirk

This uses Linux kernel dyamic debug features

https://www.kernel.org/doc/html/latest/admin-guide/dynamic-debug-howto.html

This asumes that debugfs is mounted under /sys/kernel/debug

Enable WireGuard debug

echo 'module wireguard +p' | sudo tee /sys/kernel/debug/dynamic_debug/control

FinnWoelm

# Full instructions: http://manpages.ubuntu.com/manpages/bionic/en/man8/mmcli.8.html
# Examples: http://manpages.ubuntu.com/manpages/bionic/en/man8/mmcli.8.html#examples
# Supported modems: https://www.freedesktop.org/wiki/Software/ModemManager/SupportedDevices/

# Get list of connected modems.
mmcli --list-modems
# Output:
# Found 1 modems:
#	  /org/freedesktop/ModemManager1/Modem/1 [huawei] E3531
# The number at the end of the path is the modem index.

brunneis

alt + command + p + r + power

sudo pmset -a hibernatemode 0 standby 0 autopoweroff 0

Default:

sudo pmset restoredefaults
pmset -g

pi314

#include <stdio.h>
#include <string.h>
#ifdef ofst
for i in range(12):
    MID, ofst, _ = 12, lambda o, i: int(o[i], 16), """
#else
#define ofst(o, i) 0
int main () { int t; char *s, *_; for (int i = 0; i < 12; i++) {
    s = " """;
    t = (int)(9+(i%3+(int)(i/3))*2-(i>8)*(2*(i-8)+2)) + ofst("466975754C32", i);

c910335

const switches = [74, 84, 85, 182, 183, 184, 185, 209, 331, 333, 361, 414, 452, 563]

setInterval(Game.ClickCookie) // keep clicking the big cookie

setInterval(() => {
  // cast Force the Hand of Fate when magic is almost full
  let grimoire = Game.ObjectsById[7].minigame
  if (grimoire.magic / grimoire.magicM > 0.95)
    grimoire.castSpell(grimoire.spellsById[1])

tai271828

Debugging curtin from within MAAS

Deploying a node with MAAS cli

You can deploy a node with the maas cli which is often preferable to clicking a button on a web UI.

$ SYSTEM_ID=node-787b19d8-d25c-11e4-9f9e-00163eca91de
$ NAME="random-nodename"
$ MAASNAME="maaslocal"

$ maas $MAASNAME machine allocate "name=$NAME"

excid3

# Install dependencies that nginx was originally compiled with
sudo apt install libperl-dev libgeoip-dev libgd-dev

# Get the nginx source
wget https://nginx.org/download/nginx-1.14.0.tar.gz
tar zxf nginx-1.14.0.tar.gz

# Get the module source
wget https://github.com/fdintino/nginx-upload-module/archive/master.zip
unzip master.zip

rafaelfess

EdgeOS: Scheduled PPPoE reconnect configuration

It will restart the PPPoE connection every day at 7a.m

The benefit to using the task-scheduler is that your commands get saved in config folder which ensures that they get copied over during firmware upgrades.

Creating the script file

cd /config/user-data && sudo mkdir scripts && sudo chown root scripts && cd scripts

clyang

configure
edit firewall

edit ipv6-name WAN6_IN
set default-action drop
set rule 10 action accept
set rule 10 description "Allow established/related"
set rule 10 state established enable
set rule 10 state related enable
set rule 20 action drop