Differences

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--- kubernetes_repo_config [2020/03/30 12:37] – andonovj
+++ kubernetes_repo_config [2020/05/01 15:53] (current) – andonovj
@@ Line 1: / Line 1: @@
 =====Overview=====
 To install kubernetes or minikube in general, which is a taste of Kubernetes. You need to configuration the repository first.
-So let's configure the Repository, depending on the operation system. In our case we will use Ubuntu, but I will show how to do it in every distribution
+So let's configure the Repository, depending on the operation system. In our case we will use Ubuntu, but the installation will be pretty similiar on the distributions as well.
+In a nutshell we have to:
-=====Repo Config=====
+  - Install the GPG key
-Let's start with Ubuntu:
+  - Update the local Repo
+  - Install the kubectl
-====Ubuntu====
+=====Config=====
+Let's start the configuration one by one, firstly: Install the GPG key:
+====Install GPG key====
 <Code:none|Download the GPG Key>
-root@k8s-master:/etc/apt/sources.list.d# curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key                                                                                                                                                             add -
+root@k8s-master:/etc/apt/sources.list.d# curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
 OK
 root@k8s-master:
@@ Line 18: / Line 24: @@
 <Code:none|Insert Repo Location>
 root@k8s-master:/etc/apt/apt.conf.d# cat <<EOF | sudo tee /etc/apt/sources.list.d/kubernetes.list
-> deb https://apt.kubernetes.io/ kubernetes-xenial main
-> EOF
 deb https://apt.kubernetes.io/ kubernetes-xenial main
+EOF
 root@k8s-master:/etc/apt/apt.conf.d#
 </Code>
@@ Line 27: / Line 32: @@
 "deb https://apt.kubernetes.io/ kubernetes-xenial main" string in the kuberenetes.list file.
+====Update local Repo====
 After that, we can update the local repo:
@@ Line 39: / Line 46: @@
 </Code>
-Finally, we can install the kubectl:
+====Install Kubectl, Kubelete & Kubeadm ====
+We can check, if the installation has been correct as follows:
+Eventhough, we need only the kubectl, let's install the whole stack, since we will use it later, for the whole manual implementation:
 <Code:none|Install the kubectl>
 root@k8s-master:/etc/apt/sources.list.d# apt-get install -y kubelet kubeadm kubectl kubernetes-cni
@@ Line 49: / Line 58: @@
 </Code>
+We can verify if the installation is complete by checking the version:
+<Code:none|Check the kubectl>
+root@k8s-master:/etc/apt/sources.list.d# kubectl version --client
+Client Version: version.Info{Major:"1", Minor:"18", GitVersion:"v1.18.0", GitCommit:"9e991415386e4cf155a24b1da15becaa390438d8", GitTreeState:"clean", BuildDate:"2020-03-25T14:58:59Z", GoVersion:"go1.13.8", Compiler:"gc", Platform:"linux/amd64"}
+root@k8s-master:/etc/apt/sources.list.d#
+</Code>
+====Install Docker====
+To install Minikube, we have to install a driver, so either: docker or rockat. I will go with a docker here:
+<Code:none|Install Docker>
+root@k8s-master:/etc/apt# apt install docker.io
+Reading package lists... Done
+Building dependency tree
+Reading state information... Done
+The following additional packages will be installed:
+  bridge-utils cgroupfs-mount containerd pigz runc ubuntu-fan
+Suggested packages:
+  ifupdown aufs-tools debootstrap docker-doc rinse zfs-fuse | zfsutils
+The following NEW packages will be installed:
+  bridge-utils cgroupfs-mount containerd docker.io pigz runc ubuntu-fan
+upgraded, 7 newly installed, 0 to remove and 0 not upgraded.
+Need to get 63.8 MB of archives.
+After this operation, 319 MB of additional disk space will be used.
+Do you want to continue? [Y/n] y
+Get:1 http://archive.ubuntu.com/ubuntu bionic/universe amd64 pigz amd64 2.4-1 [57.4 kB]
+Get:2 http://archive.ubuntu.com/ubuntu bionic/main amd64 bridge-utils amd64 1.5-15ubuntu1 [30.1 kB]
+Get:3 http://archive.ubuntu.com/ubuntu bionic/universe amd64 cgroupfs-mount all 1.4 [6320 B]
+Get:4 http://archive.ubuntu.com/ubuntu bionic-updates/universe amd64 runc amd64 1.0.0~rc10-0ubuntu1~18.04.2 [2000 kB]
+Get:5 http://archive.ubuntu.com/ubuntu bionic-updates/universe amd64 containerd amd64 1.3.3-0ubuntu1~18.04.1 [21.7 MB]
+Get:6 http://archive.ubuntu.com/ubuntu bionic-updates/universe amd64 docker.io amd64 19.03.6-0ubuntu1~18.04.1 [39.9 MB]
+Get:7 http://archive.ubuntu.com/ubuntu bionic/main amd64 ubuntu-fan all 0.12.10 [34.7 kB]
+Fetched 63.8 MB in 56s (1136 kB/s)
+Preconfiguring packages ...
+Selecting previously unselected package pigz.
+(Reading database ... 80853 files and directories currently installed.)
+Preparing to unpack .../0-pigz_2.4-1_amd64.deb ...
+Unpacking pigz (2.4-1) ...
+Selecting previously unselected package bridge-utils.
+Preparing to unpack .../1-bridge-utils_1.5-15ubuntu1_amd64.deb ...
+Unpacking bridge-utils (1.5-15ubuntu1) ...
+Selecting previously unselected package cgroupfs-mount.
+Preparing to unpack .../2-cgroupfs-mount_1.4_all.deb ...
+Unpacking cgroupfs-mount (1.4) ...
+Selecting previously unselected package runc.
+Preparing to unpack .../3-runc_1.0.0~rc10-0ubuntu1~18.04.2_amd64.deb ...
+Unpacking runc (1.0.0~rc10-0ubuntu1~18.04.2) ...
+Selecting previously unselected package containerd.
+Preparing to unpack .../4-containerd_1.3.3-0ubuntu1~18.04.1_amd64.deb ...
+Unpacking containerd (1.3.3-0ubuntu1~18.04.1) ...
+Selecting previously unselected package docker.io.
+Preparing to unpack .../5-docker.io_19.03.6-0ubuntu1~18.04.1_amd64.deb ...
+Unpacking docker.io (19.03.6-0ubuntu1~18.04.1) ...
+Selecting previously unselected package ubuntu-fan.
+Preparing to unpack .../6-ubuntu-fan_0.12.10_all.deb ...
+Unpacking ubuntu-fan (0.12.10) ...
+Setting up runc (1.0.0~rc10-0ubuntu1~18.04.2) ...
+Setting up cgroupfs-mount (1.4) ...
+Setting up containerd (1.3.3-0ubuntu1~18.04.1) ...
+Created symlink /etc/systemd/system/multi-user.target.wants/containerd.service → /lib/systemd/system/containerd.service.
+Setting up bridge-utils (1.5-15ubuntu1) ...
+Setting up ubuntu-fan (0.12.10) ...
+Created symlink /etc/systemd/system/multi-user.target.wants/ubuntu-fan.service → /lib/systemd/system/ubuntu-fan.service.
+Setting up pigz (2.4-1) ...
+Setting up docker.io (19.03.6-0ubuntu1~18.04.1) ...
+Adding group `docker' (GID 116) ...
+Done.
+Created symlink /etc/systemd/system/sockets.target.wants/docker.socket → /lib/systemd/system/docker.socket.
+docker.service is a disabled or a static unit, not starting it.
+Processing triggers for systemd (237-3ubuntu10.39) ...
+Processing triggers for man-db (2.8.3-2ubuntu0.1) ...
+Processing triggers for ureadahead (0.100.0-21) ...
+root@k8s-master:/etc/apt#
+</Code>