#Istio Istio 101 : Traffic routing -Virtual services and Destination rules - Istio allows us to set routing rules that dictates how traffic flows to our pods . For that purpose Istio uses DestinationRules and VirtualServices . The December 28, 2022 Share
#Kubernetes Kubernetes 101 : Scaling a stateful set The below diagram represents the scaling down of a statefulset named db1 : Before scaling down our statefulset , we check the pods and we see that there December 23, 2022 Share
#Istio Istio 101 : Manual injection of an Envoy sidecar into a deployment We can inject a sidecar proxy in a running deployment of pods . Envoy is the default proxy for Istio . Below is a diagram that shows an injected Envoy contai December 19, 2022 Share
#ansible Ansible 101 : Configuring the managed machines to communicate with the Ansible controller We start by checking if the ssh server is installed on the managed machine : Then we check its status, to see if the ssh process is running and ready fo December 16, 2022 Share
#kvm, #Virtualization KVM 101 : Virtual machine storage pools and storage volumes Beside the default storage pool created when KVM is installed on, we could set up our directory-based storage . We will start by defining a storage pool December 09, 2022 Share
#kvm, #vitualization KVM 101 : Different commands to display information about a virtual machine. After we set up and launch our virtual machines , here are some commands. To display the virtual machines on our system, we use the below: To get detaile December 07, 2022 Share
#ansible Ansible 101 : Simple overview of Ansible and the ad-hoc commands Ansible uses Yaml language for its configuration files. These configurations are sent from the controller server to the managed nodes . The controller c December 01, 2022 Share
#Linux Linux 101 : Setting up a RAID5 device MDADM is the raid array utility for multiple disks administration. We install it on our system as follows: We need to pick the disks that we are going t November 24, 2022 Share