UNIX DevOps Advice

[root@localhost ~]# minikube start --vm-driver=kvm

Starting local Kubernetes v1.6.4 cluster...

Starting VM...

Moving files into cluster...

Setting up certs...

Starting cluster components...

Connecting to cluster...

Setting up kubeconfig...

Kubectl is now configured to use the cluster.

You have new mail in /var/spool/mail/root

[root@localhost ~]#

[root@localhost ~]# minikube start --vm-driver=kvm

Starting local Kubernetes v1.6.4 cluster...

Starting VM...

Moving files into cluster...

Setting up certs...

Starting cluster components...

Connecting to cluster...

Setting up kubeconfig...

Kubectl is now configured to use the cluster.

You have new mail in /var/spool/mail/root

[root@localhost ~]#

[root@localhost ~]# kubectl run hello-minikube --image=gcr.io/google_^Cntainers/echoserver:1.4 --port=8080

[root@localhost ~]# docker images

REPOSITORY TAG IMAGE ID CREATED SIZE

registry 2 c2a449c9f834 10 days ago 33.2MB

ubuntu latest d355ed3537e9 2 weeks ago 119MB

localhost:5000/myfirstimage latest d355ed3537e9 2 weeks ago 119MB

dockercloud/client latest a073d03b69b4 4 weeks ago 15.4MB

[root@localhost ~]# docker ps -a

CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES

0c57d7f80eb6 registry:2 "/entrypoint.sh /e..." About an hour ago Up About an hour 0.0.0.0:5000->5000/tcp registry

[root@localhost ~]# kubectl run hello-minikube --image=docker.io/ubuntu --port=8080

deployment "hello-minikube" created

[root@localhost ~]# kubectl get pods

NAME READY STATUS RESTARTS AGE

hello-minikube-163058685-8xj26 0/1 ContainerCreating 0 14s

[root@localhost ~]# kubectl get pods

NAME READY STATUS RESTARTS AGE

hello-minikube-163058685-8xj26 0/1 ContainerCreating 0 23s

[root@localhost ~]# kubectl get pods

NAME READY STATUS RESTARTS AGE

hello-minikube-163058685-8xj26 0/1 Completed 1 25s

[root@localhost ~]# kubectl get pods

NAME READY STATUS RESTARTS AGE

hello-minikube-163058685-8xj26 0/1 CrashLoopBackOff 1 27s

[root@localhost ~]#

[root@localhost ~]# kubectl get all

NAME READY STATUS RESTARTS AGE

po/hello-minikube-163058685-8xj26 0/1 CrashLoopBackOff 14 49m

po/hello-minikube2-1263410966-9qj51 1/1 Running 0 38m

NAME CLUSTER-IP EXTERNAL-IP PORT(S) AGE

svc/hello-minikube 10.0.0.103 8080:30904/TCP 39m

svc/hello-minikube2 10.0.0.19 8080:30451/TCP 37m

svc/kubernetes 10.0.0.1 443/TCP 1h

NAME DESIRED CURRENT UP-TO-DATE AVAILABLE AGE

deploy/hello-minikube 1 1 1 0 49m

deploy/hello-minikube2 1 1 1 1 38m

NAME DESIRED CURRENT READY AGE

rs/hello-minikube-163058685 1 1 0 49m

rs/hello-minikube2-1263410966 1 1 1 38m

[root@localhost ~]#

[root@localhost ~]# kubectl get pods

NAME READY STATUS RESTARTS AGE

hello-minikube-163058685-8xj26 0/1 CrashLoopBackOff 15 57m

hello-minikube2-1263410966-9qj51 1/1 Running 0 46m

[root@localhost ~]# kubectl logs hello-minikube-163058685-8xj26

[root@localhost ~]# kubectl logs hello-minikube2-1263410966-9qj51

172.17.0.1 - - [09/Jul/2017:02:55:25 +0000] "GET / HTTP/1.1" 200 396 "-" "curl/7.29.0"

[root@localhost ~]# kubectl exec hello-minikube2-1263410966-9qj51 env

PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin

HOSTNAME=hello-minikube2-1263410966-9qj51

KUBERNETES_PORT_443_TCP=tcp://10.0.0.1:443

KUBERNETES_PORT_443_TCP_PROTO=tcp

HELLO_MINIKUBE_SERVICE_HOST=10.0.0.103

HELLO_MINIKUBE_SERVICE_PORT=8080

KUBERNETES_SERVICE_PORT_HTTPS=443

HELLO_MINIKUBE_PORT_8080_TCP_PORT=8080

HELLO_MINIKUBE_PORT_8080_TCP_ADDR=10.0.0.103

KUBERNETES_SERVICE_PORT=443

HELLO_MINIKUBE_PORT_8080_TCP=tcp://10.0.0.103:8080

HELLO_MINIKUBE_PORT_8080_TCP_PROTO=tcp

KUBERNETES_SERVICE_HOST=10.0.0.1

KUBERNETES_PORT=tcp://10.0.0.1:443

KUBERNETES_PORT_443_TCP_PORT=443

KUBERNETES_PORT_443_TCP_ADDR=10.0.0.1

HELLO_MINIKUBE_PORT=tcp://10.0.0.103:8080

HOME=/root

https://github.com/kubernetes/minikube
Resources: https://kubernetes.io/docs/tutorials/kubernetes-basics/cluster-intro/

Note: virtualBox cannot be installed on Ec2.
So i installed it on a physical hardware on linux and enabled started minikube...
But my Linux machine was running KVM already, so there was some conflicts, so I have enable minikube to run with KVM..

ip-172-31-14-214 - this refers to an AWS EC2 instance:

root@ip-172-31-14-214:~# git clone https://github.com/kubernetes/minikube.git
Cloning into 'minikube'...
remote: Counting objects: 41738, done.
remote: Compressing objects: 100% (94/94), done.
remote: Total 41738 (delta 17), reused 30 (delta 3), pack-reused 41637
Receiving objects: 100% (41738/41738), 35.05 MiB | 18.53 MiB/s, done.
Resolving deltas: 100% (23528/23528), done.
Checking connectivity... done.

root@ip-172-31-14-214:~/minikube/pkg/minikube# curl -Lo minikube https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64 && chmod +x minikube && sudo mv minikube /usr/local/bin/
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 78.7M 100 78.7M 0 0 49.3M 0 0:00:01 0:00:01 --:--:-- 49.3M
root@ip-172-31-14-214:~/minikube/pkg/minikube# minikube version
minikube version: v0.20.0
root@ip-172-31-14-214:~/minikube/pkg/minikube#

---------------------------------------------------------------------------------------------------------------------------

root@ip-172-31-14-214:~/minikube/pkg/minikube# minikube start

========================================

kubectl could not be found on your path. kubectl is a requirement for using minikube

To install kubectl, please run the following:

curl -Lo kubectl https://storage.googleapis.com/kubernetes-release/release/v1.6.4/bin/linux/amd64/kubectl && chmod +x kubectl && sudo mv kubectl /usr/local/bin/

To disable this message, run the following:

minikube config set WantKubectlDownloadMsg false

========================================

Starting local Kubernetes v1.6.4 cluster...

Starting VM...

Downloading Minikube ISO

90.95 MB / 90.95 MB [==============================================] 100.00% 0s

E0707 02:01:32.049221 8488 start.go:127] Error starting host: Error creating host: Error executing step: Running precreate checks.

: VBoxManage not found. Make sure VirtualBox is installed and VBoxManage is in the path.

Retrying.

E0707 02:01:32.049578 8488 start.go:133] Error starting host: Error creating host: Error executing step: Running precreate checks.

: VBoxManage not found. Make sure VirtualBox is installed and VBoxManage is in the path

================================================================================

An error has occurred. Would you like to opt in to sending anonymized crash

information to minikube to help prevent future errors?

To opt out of these messages, run the command:

minikube config set WantReportErrorPrompt false

================================================================================

Please enter your response [Y/n]:

root@ip-172-31-14-214:~/minikube/pkg/minikube#

root@ip-172-31-14-214:~/minikube/pkg/minikube# curl -Lo kubectl https://storage.googleapis.com/kubernetes-release/release/v1.6.4/bin/linux/amd64/kubectl && chmod +x kubectl && sudo mv kubectl /usr/local/bin/

% Total % Received % Xferd Average Speed Time Time Time Current

Dload Upload Total Spent Left Speed

100 67.4M 100 67.4M 0 0 53.7M 0 0:00:01 0:00:01 --:--:-- 53.8M

root@ip-172-31-14-214:~/minikube/pkg/minikube#

---------------------------------------------------------------------------------------------------------------------------

root@ip-172-31-14-214:~/minikube/pkg/minikube# minikube start
Starting local Kubernetes v1.6.4 cluster...
Starting VM...
E0707 02:11:26.003862 18952 start.go:127] Error starting host: Error creating host: Error executing step: Running precreate checks.
: This computer doesn't have VT-X/AMD-v enabled. Enabling it in the BIOS is mandatory.

Retrying.
E0707 02:11:26.005007 18952 start.go:133] Error starting host: Error creating host: Error executing step: Running precreate checks.
: This computer doesn't have VT-X/AMD-v enabled. Enabling it in the BIOS is mandatory
root@ip-172-31-14-214:~/minikube/pkg/minikube# apt install virtualbox-ext-pack
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following NEW packages will be installed:
virtualbox-ext-pack
0 upgraded, 1 newly installed, 0 to remove and 17 not upgraded.
Need to get 11.8 kB of archives.
After this operation, 129 kB of additional disk space will be used.
Get:1 http://us-east-2.ec2.archive.ubuntu.com/ubuntu xenial-updates/multiverse amd64 virtualbox-ext-pack all 5.0.40-0ubuntu1.16.04.1 [11.8 kB]
Fetched 11.8 kB in 0s (59.5 kB/s)
Preconfiguring packages ...
Selecting previously unselected package virtualbox-ext-pack.
(Reading database ... 82642 files and directories currently installed.)
Preparing to unpack .../virtualbox-ext-pack_5.0.40-0ubuntu1.16.04.1_all.deb ...
License has already been accepted.
Unpacking virtualbox-ext-pack (5.0.40-0ubuntu1.16.04.1) ...
Setting up virtualbox-ext-pack (5.0.40-0ubuntu1.16.04.1) ...
virtualbox-ext-pack: downloading: http://download.virtualbox.org/virtualbox/5.0.40/Oracle_VM_VirtualBox_Extension_Pack-5.0.40.vbox-extpack
The file will be downloaded into /usr/share/virtualbox-ext-pack
License accepted.
0%...10%...20%...30%...40%...50%...60%...70%...80%...90%...100%
Successfully installed "Oracle VM VirtualBox Extension Pack".
root@ip-172-31-14-214:~/minikube/pkg/minikube#

Please follow the above same steps to create in a local Linux machine, then start the minikube using the syntax given in next "post"

UNIX DevOps Advice

starting minikube to use KVM

How to install Minikube and start with Kubernetes on an EC2 instance

Installing Ingress Controller - Kubernetes