Questions tagged [networking]

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Connecting to MySQL Remotely on Azure VM

I am having trouble connecting remotely to my MySql install that runs on an Azure VM. Here is what I did: Ubuntu VM with MySql 5.7 installed Bind Address set to 0.0.0.0 User granted rights with ...
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How to execute a “hello redis” sample python script on a container from the host?

How do I execute this "Hello Redis!!!" sample from the host? root@mordor:~# root@mordor:~# docker container ls CONTAINER ID IMAGE COMMAND CREATED ...
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43 views

Can't set up basic k3s cluster on raspberry pi setup

I apologize in advance if this is trivial as I am an undergrad and quite new to kubernetes, raspberry pis, and networking in general. I only included the fact I am working on Raspberry Pi for ...
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How to Disable Outbound Access Connection on RHEL 7.8

I am using a RHEL 7.8 OS. This instance contains outbound access. Is it possible to disable internet connetion using command line?
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Kubernetes workers outside the SDDC cloud not connect to the masters

Please help us with the following problem: We are using calico from https://docs.projectcalico.org/manifests/calico.yaml to setup Kubernetes network on SDDC cloud. The masters are inside the cloud, ...
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1answer
39 views

How to create a local network mapping in linux

I'm deploying nextcloud via docker, however the way the configuration is set up, it creates a subnetwork at 10.10.10.0/24 on the system it's running on instead of running it on 127.0.0.1. Then the ...
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14 views

How to make sure K8S nodes only communicate via private network

I have the following setup: master and worker node are connected via eth0 to the internet and via enp7s0 to a local newtork (IP's 10.0.0.2 and 10.0.0.3). I have installed K8S with flannel as ...
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29 views

How to make docker look for a port on another machine?

I have a docker containing AMQP(an open-source message broker). The docker-compose file is : services: mom: image: vromero/activemq-artemis:2.15.0-alpine restart: unless-stopped ports: ...
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35 views

How should Kubernetes worker nodes get the correct /run/flannel/subnet.env file?

I am using Kubectl 1.20.2 on the client side and 1.18.9 on the server side. I have deployed EKS, and I have created a cluster. The pods never become ready unless I manually log into the worker nodes ...
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26 views

Integration testing of multiple containers via docker in docker

About a year ago we set up a gitlab-pipeline to integration-test a bunch of interacting containers. The whole test is steered from a pytest based script which starts/stops individual containers and ...
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docker kali linux container: wireless card is seen as eth0

So, I installed kali linux with command: docker pull kalilinux/kali-rolling Then I installed net-tools to do ifconfig. ifconfig shows eth0, lo (loopback), but no wifi card. Why docker sees my wifi ...
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How to troubleshoot Pod-to-Pod communication cross nodes?

Prerequisite: I use VirtualBox to setup 2 VMs. VirtualBox version is 6.1.16 r140961 (Qt5.6.2). The OS is CentOS-7(CentOS-7-x86_64-Minimal-2003.iso). One VM as kubernetes master node, named k8s-...
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Private EKS behind corporate Proxy - with Terraform

I have built a private EKS cluster, im now going through the motions of trying to attach a Managed Node group to the cluster using Terraform. Looking through lots of resource the Node group required ...
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Can I connect a PC/Mobile from my house and be able to see/connect WiFi networks around the PC/Mobile?

I’m not sure if it’s the exact place so lemme know if I need to move it, my question is this, Can I connect a PC/mobile lets say in location 1 with my PC and see the WiFi networks in location 2 of PC/...
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Topology and configuration of MySQL client and server containers

Perhaps I'm using MySQL in an unusual way. I was thinking of just having alice and bob containers, where the console client is used on one to query the other. I'm probably using MySQL in an obscure ...
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59 views

Is the MySQL Command-Line Client on alpine or another minimalist container?

This seems not wholly unreasonable: root $ root $ docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES root $ root $...
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1answer
41 views

Cannot resolve services with service name inside a kubernetes pod

I cannot access a pod from another pod with its service name. Getting error as cannot resolve host svcname When i try to view the information of /etc/resolv.conf, i do see ec2.internal as searches ...