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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* 
25 days ago by ianweatherhogg
Raspberry Pi 3 B+ WiFi Ethernet Bridge - Will Haley
The goal is to connect a desktop to a WiFi network via a Raspberry Pi. We will use a Raspberry Pi 3 B+ as a bridge between the desktop and the WiFi network. The...
raspberrypi  dhcp  wire  less  ip  table  server  dns  bridge 
january 2019 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
Avoiding kernel crashes when under DDoS attacks with CentOS 5 | stewart a.
iWeb Technologies has recently been the victim of several [1 2 3 4] distributed denial of service (DDoS) attacks over the past three or so weeks and it's become a rather irritating issue for iWeb's customers. Not all of their server or their customer's co-located servers are affected in each attack, but often during the attacks there is a general slowdown on their network and a minority of the servers (both hosted and co-located) experience some packet loss. The server hosting this w...
ip  table  security 
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
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
Blocking ingress traffic to Docker swarm worker machines | OpsTips
Once a Docker Swarm Mode cluster is formed, all nodes participate in the routing mesh and accept ingress traffic. Check out how to block that feature.
docker  cluster  ip  table  topology  5* 
september 2018 by ianweatherhogg
klingt.net
How to enable IPv6 on your Ubuntu 14.04 droplet and how to set it up in nginx.
dns  six  ip  server  host  deployment 
february 2018 by ianweatherhogg
Virtualizing with KVM in Linux
A journal about computing, human predilections, and random krakaboom.
qemu  network  vde  5*  spice  vnc  ip  table  tap  device 
january 2018 by ianweatherhogg
Custom routed network — libvirt Networking Handbook — Jamie Nguyen
A Linux bridge without a real Ethernet device is considered virtual. To manually create the virtual bridge, run these command
libvirt  ip  table  5*  dns 
october 2017 by ianweatherhogg
Basic home gateway services: DHCP, DNS, NAT
Publicly routable IPv4 addresses, which are scarce, are not generally assigned to every host in a home network.
network  topology  dhcp  dns  ip  protocol  5*  tcp  dump 
august 2017 by ianweatherhogg
Get the IP address of a Virtual Machine • MattOps
Often times when I’m working I’ll need to use multiple virtual machines, and I prefer to access them using SSH. The problem is that in order to d...
libvirt  ip  address 
august 2017 by ianweatherhogg
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