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QEMU VM Escape | bi0s
The official blog of team bi0s
qemu  hacking  security  tcp  ip  network  wire  shark  5*  dump 
27 days ago by ianweatherhogg
Introduction to Linux interfaces for virtual networking - Red Hat Developer Blog
This post provides a brief introduction to Linux virtual interfaces, focusing on frequently used interfaces and some interfaces that can be easily confused with one another.
network  topology  bridge  vlan  ip  virtual  5* 
march 2019 by ianweatherhogg
systemd-networkd is simply amazing! : linux
recently I needed to configure bridge network for my VFIO setup and once I was fed up with the complexity of doing that with NetworkManager, I...
reddit  network  systemd 
march 2019 by ianweatherhogg
Playing Together with Elixir Binaries-Strings :) – blackode – Medium
This article comprises of things that you’ll encounter while working with Strings and Raw bytes explaining with real situational examples. I tried to design the images, to focus on what we are…
elixir  binary  network  parser 
march 2019 by ianweatherhogg
Network Configuration | networkd in CoreOS Container Linux
Container Linux machines are preconfigured with networking customized for each platform. Discover how to write your own networkd units with CoreOS.
systemd  network 
march 2019 by ianweatherhogg
Running Elixir in Docker Containers
How to use Docker to run our development Elixir environment and to run multiple Elixir Nodes over a Docker bridge network.
elixir  docker  alpine  bridge  network  distributed  node  5* 
february 2019 by ianweatherhogg
Neural Style Transfer with OpenCV - PyImageSearch
In this guide you will learn how to apply Neural Style Transfer with OpenCV and Python to both images and video streams.
python  neural  network  style  transfer  art  creativity 
december 2018 by ianweatherhogg
dotfiles/qemu-vlan at master · tokiclover/dotfiles
mirror of https://gitlab.com/tokiclover/dotfiles. Contribute to tokiclover/dotfiles development by creating an account on GitHub.
gist  qemu  network  topology  ip  table  dhcp 
november 2018 by ianweatherhogg
How Linux allows TCP introspection | OpsTips
The inner workings of bind and listen on Linux.
c  network  socket  system  call  proc 
november 2018 by ianweatherhogg
A UDP server and client in Go | OpsTips
Getting from Golang's net package down to the Linux kernel methods invoked when UDP messages are sent.
go  udp  network  protocol 
november 2018 by ianweatherhogg
Building Container Networks with Vxlan
Setting up DHCP ensures all containers or VMs connecting to the network get an IP and networking set up automatically. Setting up DHCP is not difficult, you need to choose a subnet for the overlay network, let's say 10.0.50.0/24, and then simply start a Dnsmasq instance attached to the vx0 bridge on one of the hosts. This instance will take care of DHCP services for the entire overlay network.
lxc  network  topology  5* 
november 2018 by ianweatherhogg
Overlay Networks
This creates a Vxlan device vxlan0 with vxid 42 connected to network eth0. In this case we are assuming the outgoing network interface for the host to the other hosts who are going to be part of this Vxlan network is eth0. Vxlan uses multicast and 239.1.1.1 is the multicast IP
network  topology  overlay  router  ip  lan  5* 
november 2018 by ianweatherhogg
Setup Your Own Private Network With OpenVPN - Vultr.com
Deploy high performance SSD VPS on the worldwide Vultr network in 60 seconds. Sign up for free and start hosting virtual servers today!
private  network  open  vpn  distributed  4* 
october 2018 by ianweatherhogg
Writing DNS messages from scratch using Go | OpsTips
How to write a DNS message from zero and send it via UDP to a server.
go  dns  network  protocol  5* 
september 2018 by ianweatherhogg
A practical look at basic AWS Networking with Terraform | OpsTips
A conventional AWS Networking Tutorial out there using Terraform doesn't go around the concepts of AWS Networking. Check out how to provision an AWS VPC with multiple subnets and configure security groups using Terraform.
amazon  network  5* 
september 2018 by ianweatherhogg
Implementing a TCP server in C | OpsTips
Writing a TCP server in C can teach many things. Check out how to implement a TCP server and understand some of the syscalls involved in the process.
c  http  server  network  socket  5* 
september 2018 by ianweatherhogg
Using network namespaces and a virtual switch to isolate servers | OpsTips
Yet another blog post on how to create a virtual network that connects network namespaces using a brdige, veth pairs and iptables.
network  name  space  router  bridge  5*  virtual  switch  load  balance  ip  table 
september 2018 by ianweatherhogg
How to emulate a network using VirtualBox | Open-Source Routing and Network Simulation
VirtualBox can connect virtual machines together to emulate a network of computers and network appliances, such as routers or servers
virtual  box  network  topology  5* 
may 2018 by ianweatherhogg
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