netplan
fck-nat
netplan | fck-nat | |
---|---|---|
32 | 19 | |
632 | 951 | |
10.8% | - | |
9.4 | 6.9 | |
2 days ago | 12 days ago | |
Python | HCL | |
GNU General Public License v3.0 only | MIT License |
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netplan
- Trunk/VLAN tags question
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AWS to start charging for IPv4 usage, but critical services don't support IPv6
For Netplan-based stuff, this looks similar:
* https://github.com/canonical/netplan/blob/main/examples/dire...
I recently had to switch ISPs to one that doesn't do IPv6 for FTTH (but their smart offerings are (AFAICT) IPv6-only), but my previous IPv6 did, and activating it for my home network was a couple clicks on my Asus router.
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Am I the only one who hates netplan?
I'm not sure how far back you want to go, but you can install the ifupdown package and remove netplan.io. But, even in Ubuntu 16, they were starting to phase it out. So, you're going to hit some bugs here.
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Ubuntu 22.04 Netplan gateway4 deprecated
I was working with my Ubuntu 22.04 server and configuring my network with Netplan. After executing the Netplan apply command, I got an error message like the following:
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Why even bother??
Doesn't Ubuntu server use netplan.io by default?
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Can't connect to wifi
The interfaces on omv are managed by netplan. https://netplan.io/
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Setting up private network with a gateway
This is because Ubuntu Desktop uses NetworkManager to manage all the network interfaces by default. It is the application responsible for network management via UI. This is not the case in Ubuntu Server which I will be using. The documentation can be found here NetworkManager It can be completely turned off by choosing a different renderer or a specific networking interface can be excluded from under management of NetworkManager. The configuration is in the file /etc/NetworkManager/NetworkManager.conf. On UI less versions like Ubuntu Server there is no NetworkManager installed. The default network renderer is systemd-networkd. In both flavours of Ubuntu the networking configuration is done via Netplan and the configuration for Netplan is stored in yaml file in the location /etc/netplan/*.yaml. There could be more than one configuration file. More information on this are to be found in the provided link.
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Trying to upgrade 18.04 to 22.04; stuck at 20.04 with errors... please help
nautilus-extension-gnome-terminal nautilus-gtkhash nautilus-sendto nemo-fileroller neofetch net-tools netcat-openbsd netplan.io network-manager network-manager-config-connectivity-ubuntu network-manager-gnome
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Why BSD over Linux?
https://netplan.io/, yes?
- Ethernet Con Problem On Ubuntu Server 20.04
fck-nat
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Fck-nat: The (f)easible (C)ost (k)onfigurable NAT
https://github.com/AndrewGuenther/fck-nat/blob/main/service/... this is the bit you need to understand.
You've got the gist of it, but you probably want to read about NAT and iptables.
The source destination check is important - but implementation specific here. Google Cloud does it like this - https://cloud.google.com/vpc/docs/using-routes#canipforward
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AWS to start charging for IPv4 usage, but critical services don't support IPv6
This entire thread is about the additional costs imposed on a publicly accessible IP[1].
Granted, there are other (but similarly expensive) workarounds such as NAT gateways[2] for outbound connectivity or the cheaper NAT instance method which AWS doesn't support any more, but there are alternatives[3]. However, for use cases requiring inbound connectivity such as setting up websites on EC2 instances, or using an ELB which need internet access, these charges definitely rack up.
[1] https://aws.amazon.com/blogs/aws/new-aws-public-ipv4-address...
[2] https://docs.aws.amazon.com/vpc/latest/userguide/vpc-nat-gat...
[3] https://fck-nat.dev
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AWS to Begin Charging for Public IPv4 Addresses
Weird, I was just looking into this yesterday and found https://fck-nat.dev/
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Can I use API Gateway to avoid the need for a NAT/Internet Gateway
If you find yourself needing NAT Gateway after all, I recommend https://fck-nat.dev/ - the name speaks for itself. If you use CDK, using it in place of managed NAT Gateway is dead simple.
- Anything can be a message queue if you use it wrongly enough
- Get rid of NAT-Gateway charge?
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Painful bill for image pulls from ECR ?
There are tradeoffs for using a managed NAT Gateway that are usually not considered. It's sort of a roller coaster, but the introduction for the fck-nat project goes in to the most obvious tradeoffs
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Important Information about NAT Gateway in your Account emails
May I suggest https://fck-nat.dev/ ?
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Just released: alterNAT, a high availability AWS NAT implementation that reduces NAT Gateway costs while limiting the increased risk of operating NAT instances. I’d love to know what you think!
For those unaware: https://fck-nat.dev/
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Should I use vpc interface endpoints instead of nat gateways to save costs?
I maintain a NAT instance AMI that works on both ARM and x86: https://fck-nat.dev/
What are some alternatives?
docker-pi-hole - Pi-hole in a docker container
terraform-aws-nat-instance - Terraform module to provision a NAT Instance using an Auto Scaling Group and Spot Instance from $1/month