qdisc | simple script for network queuing for linux | Chat library

I'm developing eBPF programs for kernel tracing using BCC. Once I got the following error message when running my code:

I'm trying to access the host's network interfaces from inside a Docker container with the host-network option. For debugging purposes I tried to run a clean Alpine container using docker run --network host --rm -it alpine:3.9. Running ip link returns

I have a slight problem with using can bus on a raspberry pi with Debian 64 bit running on it.

My /etc/modules-load.d/modules.conf looks like this:

When I try to run a docker container that starts jupyter with os command inside a script or a neo4J docker image I have a network issue. I either have ERR_SOCKET_NOT_CONNECTED or ERR_CONNECTION_REFUSED

Whe I run jupyter notebook it seems everything is working right in the terminal:

Problem: I want 2 IPs so that I can run two servers on my LAN. Apparently my ISP doesn't allow static IPs and I need to use DHCP to obtain my second IP.

What I have learned so far:

1. In order to get two distinct IP addresses with DHCP, you need two different MACs (or client IDs?)
2. You can't have two MACs on a single interface, so you need to put your internet facing interface into promiscuous mode and somehow get that traffic to a virtual interface with its own MAC.
3. Once the traffic gets to my virtual interface, I can just assign it to WAN firewall zone (OpenWRT thingie, not so important) for ez profit.

But here is the hard part: In order to separate my LAN from WAN there is by default two different VLANs configured in OpenWRT. LAN VLAN is eth0.1 and WAN VLAN is eth 0.2.

The final question is: How do I configure my system? Do I put eth0 in promisc or eth0.2 or both? Or is my premise completely wrong? How do I create the said virtual interface? Below is my ip addr extract.

I have an SQL Server installed in Ubuntu 20.04 (which is installed in VirtualBox) and a Docker container with a python script in it. What I want to do is to connect from this python script to the SQL server running on the host.

Here is the Dockerfile I used to create an image:

I get the four model types of docker network snapshot:

the host model (Open container) is attached to host machine's Logical host interface and Loopback interface.

in my case, I created the host model container:

As a personal project I want to build a TCP/IP stack using C/C++ and using a tap interface. I have a wlan0 interface (wireless) that is connected to the internet. And now I want to send and receive packets from the internet through this wlan0 interface.

How can I do this?

These are the commands I used to create my tap interface:

So here is my problem:

1. I have a server with debian 10 that runs docker
2. In the docker containers i run pihole
3. When i run the pihole container, docker set his ip to 172.17.0.2
4. Docker itself create a network interface called: docker0 and his ip is 172.17.0.1

The problem being outside the server, when i ping to the docker interface 172.17.0.1 its fine, but when i ping to the docker container 172.17.0.2 its no reachable.

Here is the ip a command output