Questions tagged [kubernetes]

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71 views

Enabling memory cgroup in Ubuntu 20.04

Instructions for enabling the memory cgroup on Ubuntu 18 and 19 involve adding cgroup_enable=cpuset cgroup_enable=memory cgroup_memory=1 to /boot/firmware/nobtcmd.txt and restarting. After rebooting, ...
0
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1answer
21 views

login phpMyAdmin to MySql getting error in Ubuntu 18.04 kubernetes nodes

i am trying to install phpMyAdmin and Mysql as pods in my Kubernetes cluster. everything is okay but when i try to log in into mysql by browser from phpMyAdmin interface i failed the error massages ...
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0answers
21 views

Every snap installed executable getting ibudev.so.1: failed to map segment from shared object

Every time that i run any snap installed app, i'm getting this message: /snap/core/9066/usr/lib/snapd/snap-confine: error while loading shared libraries: libudev.so.1: failed to map segment from ...
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12 views

Charmed Kubernetes Vault integration not working when trying to pull image from private registry

I have installed charmed kubernetes on a microstack/openstack environment. After having followed tutorials Private Registry and Using Vault, I tried to create a deployment where I pull an image file ...
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0answers
16 views

coredns is running but not ready after conjure-up k8s cdk

I have deployed Kubernetes V1.18.2 (CDK) using conjure-up (which used bionic) The coredns is resolving via /etc/resolv.conf, see configmap below: Name: coredns Namespace: kube-system ...
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37 views

Why can't see pod resources in the cluster which created by microk8s?

Installed microk8s by sudo snap install microk8s --classic --channel=1.17/stable Alias alias kubectl='microk8s.kubectl' Current docker container: docker container ls CONTAINER ID IMAGE ...
1
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1answer
66 views

Installing kubernetes on my own hardware

I need to install a k8s cluster on my own hardware running ubuntu 18 and 19. No cloud will be involved. I've read about JuJu, but it seems very oriented to various clouds. I haven't seen anything ...
0
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0answers
61 views

kubeflow installation issues

I am trying to setup Kubeflow on Ubuntu 18.04 Desktop using the steps mentioned in https://ubuntu.com/kubeflow/install On trying to run, even with sudo microk8s.kubectl config view --raw > $...
1
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1answer
889 views

OpenSSL SSL_connect: SSL_ERROR_SYSCALL in connection to storage.googleapis.com:443

I've been trying to install minikube on my Ubuntu machine as per this post. But whenever I try to run... curl -Lo minikube https://storage.googleapis.com/minikube/releases/latest/minikube-linux-...
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37 views

Using Ansible Configure Kubernetes?

I am encountering some difficulty with this. I understand that sudo snap install microk8s --classic can be used to install the latest version of kubectl, but, where I am struggling with is utilizing ...
0
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1answer
208 views

“kubeadm init” fails on setting up Highly Available clusters

I try to setup a haproxy'd multi-master node setup for Kubernetes, as described in [1]. My network configurations are: haproxy = 192.168.1.213 master0|1|2 = 192.168.1.210|211|212 worker0|1|2 = 192....
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66 views

mkdir: cannot create directory ‘bridge’: No such file or directory [duplicate]

root@k8s-master:/home/k8s-master# kubeadm init --image-repository registry.aliyuncs.com/google_containers --pod-network-cidr=10.244.0.0/16 --kubernetes-version v1.16.0 [init] Using Kubernetes version:...
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1answer
175 views

Installing conjure-up charmed Kubernetes (vSphere), error on juju deployment

We are deploying Charmed Kubernetes on vSphere 6.7 and we are getting the following error: dhiadmin@dhip1032:~/.cache/conjure-up$ tail -f conjure-up.log 2019-11-02 17:57:06,909 [DEBUG] conjure-up/...
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0answers
46 views

Installing K8s on vSphere results in multiple VMs using Juju

During the installation, I configured it to deploy 1 master and 2 worker nodes but I'm seeing a total of 10 VMs all together. There are 3 VM's that are configured with the exact specifications I ...
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0answers
30 views

How to install OWASP in Kuberetes

I created a dashboard in Kubernetes. Now I need to install OWASP in Kubernetes. How to pass a dynamic URL scan in Kubernetes?
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0answers
251 views

Incorporating podman into ubuntu?

There's people claiming that podman is the better replacement for docker, having several advantages, including better security, and better compatibility with kubernetes and it's pods. Currently it's ...
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0answers
23 views

How to effectively remove Kubernetes Nodes from a Juju deployment

When removing kubernetes workers deployed by juju the workers still show up when I do kubectl get nodes. How can I fix this?
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0answers
35 views

Updating the Charmed Distribution of Kubernetes to Use the Latest Rancher

I want to set up the Charmed Distribution of Kubernetes to use the latest Rancher Version. How can I begin? Thanks.
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0answers
14 views

Kubernetes cluster … For science!

I have a Kubernetes cluster. I want to find opportunities to contribute to scientific efforts with the compute and memory resources I have available. I am interested in providing resources for math ...
1
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2answers
191 views

Uninstalled Kubernetes but I keep getting: “unable to resolve host slave-node”

I recently installed Kubernetes with helm and tried to setup a cluster on my Ubuntu 16.04 unity, I setup 1 master node and 1 slave node. I removed everything related to Kubernetes, but everytime I ...
0
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1answer
22 views

Can't Access Graylog after Deploying Charmed Distribution of Kubernetes with Logging

I started with conjure-up but never got the summary screen with all the endpoints. I do not know how to access graylog. I tried hitting the ip for Apache2 but that showed me some sort of Apache ...
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0answers
300 views

Kubernetes installation problem

I just installed Charmed Kubernetes using the quick start on a single systems using lxd. I have some services which are sitting in waiting status. # juju status Model Controller Cloud/Region Version ...
3
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1answer
511 views

Running minikube on ubuntu in virtualbox

I have installed Ubuntu on VirtualBox in Windows 10. I have also installed a Virtualbox and minikube on Ubuntu. But when I try to start minikube it returns an error saying that Virtualbox cannot be ...
0
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0answers
88 views

While installing the Taco All-in-One (step ./020-install-k8s.sh) error occured

(ubuntu version18.04) Step:./020-install-k8s.sh It contains these things: cd ~/apps git clone https://github.com/kubernetes-incubator/kubespray.git upstream-kubespray && cd upstream-...
2
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1answer
468 views

xargs: invalid option — 'o'

I was trying to execute this command to fix yet another error (Unable to use a TTY - input is not a terminal or the right kind of file): kubectl get pods -n foobar | grep baz | awk '{print $1}' | ...
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0answers
412 views

How to install kubernetes offline on Ubuntu 18.04.2 LTS

I am trying to install kubernetes offline on Ubuntu 18.04.2 LTS in VirtualBox using internal network. I am installing kubernetes, following this guide https://gist.github.com/onuryilmaz/...
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0answers
45 views

Spinnaker spin-clouddriver Pod Issue

I have installed kubernetes cluster using kops on ubuntu machine, Now I have deployed Spinnaker on cluster using hal. All pods in running state, but when I check the logs of spin-clouddriver pod so ...
0
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1answer
301 views

Removing Taint from kubernete nodes doesnot work

Ubuntu 18.04 Kubernete on JUJU I tried to remove the taint form nodes: kubectl get nodes -o json | jq .items[].spec.taints [ { "effect": "NoSchedule", "key": "node.kubernetes.io/...
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0answers
36 views

Install Kubernete Error on JUJU

Ubuntu 18.04 juju 2.5 I have Proxy on my network I get this error on juju status command: `` kubernetes-master/18 error idle 0/lxd/39 192.168.100.9 hook failed: "...
2
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1answer
333 views

juju charmed-kubernetes - what are minimal hardware requirements?

I need to know what are the hardware requirements to deploy the charmed-kubernetes charm. I tried unsuccessfully (installation never ends) on this configuration: hardware: notebook with Intel i7 and ...
0
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1answer
152 views

canonical-kubernetes disappeared?

I'm following the instructions at The charmed distribution of kubernetes But seems that the kubernetes spell doesn't exist sysop@kvmnode1:~$ sudo snap install conjure-up --classic [sudo] password di ...
2
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2answers
265 views

What is the correct JUJU charm for Kubernetes?

I've found 2 charms relative to "The charmed distribution of kubernetes". The first at https://jujucharms.com/canonical-kubernetes/ seems to have only the necessary components. The second at https://...
0
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1answer
370 views

Virtualbox kubernetes network access internet issue

I am new to kubernetes I setup two nodes using virtualbox node for master and another for worker. I had to restart the master node to extend the size of the virtual machine disk size but after ...
6
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2answers
11k views

Unable to run any systemd services in WSL

None of the systemd commands are working inside WSL( Ubuntu Bash 18.04). When I ran sudo systemctl is-active kubelet, error is output: System has not been booted with systemd as init system (PID 1). ...
2
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2answers
300 views

Where to get kubectl man pages?

Any suggestion where I can get and install kubectl man pages? Asking Google all the time is getting annoying. I want to be able to see the man page from the command line like: $ man kubectl pods I ...
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0answers
130 views

Is Kubenetes related software automatically installed on Ubuntu?

I have since yesterday noticed that the top command has been showing kubelet, kube-apiserver, kube-controller and other Kubernetes related processes running on my computer. This is alarming me and ...
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0answers
2k views

Remove kubernete's on laptop

Few month ago i have installed kubernetes cluster on my laptop with ubuntu 18.04. I played with it and forgot to delete it completely Now i see a lot of kube* logs, i want to get rid of them:, ...
5
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2answers
4k views

How to access micro8ks's dashboard web UI?

There's information how to enable the dashboard extension microk8s.enable dashboard (which I ran) and how to display URLs of other extensions enabled like this: kubectl cluster-info How to get the ...
1
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1answer
57 views

This may be a stupid question but can juju work on a kubernetes cluster that was created and deployed outside of it

I'm asking because I have been trying to get some monitoring and log aggregation to work and when I do the juju side of install to an already existing kubernetes cluster it has a status of waiting and ...
5
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1answer
4k views

How to install Kubernetes Locally via Minikube

Trying to learn more about Kubernetes I tried to install a standalone instance. If you try to run minikube terminal? suggest installing it through snap. sudo snap install minikube kubectl snap info ...
1
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1answer
2k views

Kubernetes installation failing - Ubuntu 16.04

I am trying to install Kubernetes (kubectl) on Ubuntu 16.04 (x64) by following the instructions here. I am behind some proxy at work and I am sure that is the reason for the failure. I know there are ...
0
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1answer
525 views

Setting up a kubernetes cluster on Ubuntu 18.04

I'm doing this tutorial on creating a kubernetes cluster on Ubuntu 16.04 (I'm using 18.04 but there is no tutorial on that version yet). I finished the first three steps and everything went fine. I'm ...
4
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2answers
10k views

How do I pass flags when starting a systemd service?

Note a similar question has been asked: How to pass flags when starting 'service'? But I read a while back that Linux switched from init.d to systemd, and since that Q&A are 6 years old ...
1
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1answer
1k views

conjure-up kubernetes on 4 local servers

I have 4 local ubuntu servers with 8GB RAM each that I'm attempting to setup a kubernetes cluster on. But if I conjure-up kubernetes from the first server and choose local, it appears to be trying to ...
0
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1answer
58 views

Trying to get conjure 2.6.1 but not getting

vagrant@ubuntu-xenial:~$ sudo snap remove conjure-up Stop snap "conjure-up" services /Discard interface connections for snap "conjure-up" (1015) -conjure-up removed vagrant@ubuntu-xenial:~...
1
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2answers
478 views

Conjure-up Kubernetes installation failed because of “/proc/sys/net/core/somaxconn” does not exist,

When I had been installing Kubernetes via conjure-up in my workstation, ended up with somaxconn does not exist and some mongo error. VM Configuration 2 vCPU,8 GB vRAM and 100 GB vDisk and it is fresh ...
0
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1answer
183 views

Conjure-up and Kubernetes, how do I connect?

Afternoon all! I just did a build and deploy and everything seems to be running great in AWS. I wanted to login to the nodes via ssh but noticed there are no pem keys associated tot eh nodes. Is ...
2
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0answers
246 views

sudo snap install conjure-up --classic fails with configuring hook

I am trying to run kubernetes on lxd following the instructions taken from https://kubernetes.io/docs/getting-started-guides/ubuntu/local/. However, I get following error message: $ sudo snap ...
2
votes
1answer
962 views

Connection refused error for kube-dns pod

I have configured kubernet v1.9.3 in my Ubuntu 16.04LTS system. Master node was successfully created with an exception of kube-dns pod getting a connection refused issue. I am getting the following ...
1
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1answer
186 views

Juju add-subnet command fails to move existing subnet into a space

I have been following this blog post to deploy a minimal k8s cluster into my existing development VPC. I have created private and public space, but when I tried to use add-subnet to add my private and ...