IT hands-on

Below are the IP classes: <i> Class A :</i> Ranges from " 1.n.n.n " to " 126.n.n.n ". With class A we get 127 networks, each with up to sixteen

We are using for our example a class C network IP address  - 192.168.1.0 -. Because it is a class C address the first three octets - 192.168.1 - are us

Network namespace is a Linux concept that allows processes running inside different network namespaces to have their own network stack, routing tables

Kubernetes provides us with a security mechanism that makes it possible for us to limit what the programs running inside containers could do. A securit

After the client application has been authenticated and allowed to carry out its task within the kubernetes cluster, the admission controller steps in

The device manager udev handles the settings and the detection of hardware devices.  It is a part of " systemd ", it also load the drivers for

To be able to run a task at a set time, we could use the " at " command. The " at " command does not run repetitive tasks, it runs a pr

To limit the consumption of disk space, we could assign different values to the below elements:<i> Block soft limit :</i> 5000<i> Block hard limit :</i> 10000<i> Inode so

We can combine different  ClusterRoles through the use of labels . The ClusterRole " pods " allows us to list pods , the ClusterRole " services

We can specify the minimum and maximum CPU and memory consumption for pods in the  LimitRange kubernetes object. The variable " spec.limits[].min &qu

The API server is the beating heart of the kubernetes cluster. It  manages - <i> list, delete, update, ...</i> - the kubernetes API resources - <i> pods, deployment

To keep the pods that don't have a resource limits/requests defined from consuming all the resources, we can specify default resource limits/reque

Kubernetes has two objects that allow us to have access to it from the outside.<i> Services :</i> like a loadBalancer or a layer " 4 " TCP/UDP nodePort

The output of the " ip route show " might be confusing to us at first. Below is an example of the output of that command: The first line of outp

Each container gets assigned an IP address to be able to communicate with other containers inside the same host. To be able to communicate with applica