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      Do you have doubts and tensions about how to effectively participate in an online interview during these corona times? Here are some tips to help you get the most out of your online interview and what you really need to know and pay attention to. This corona era is not only with online classes but also with online interviews. From very small companies to very large companies in this situation take their employees through online interviews. 1) Before we send the resume, we need to clearly understand what skills they need in the job post that the company is going to send. After that we have to rearrange our resume. This means that sending a common resume to every company is not enough. Each company should send a resume highlighting the skills that the company needs and wants. 2) Make sure to submit the tasks, projects, etc. given by the company before the correct time without any delay. 3) Before attending the interview, let us know the detailed history of...

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    Linux Basic Commands   Basic commands Text handling system administration Text Processing Process Management Archival Network File Systems Advanced Commands     Linux with Devops interview Questions 1.       Basic commands #mkdir = create folder #mkdir /foldername = create folder in / #rmdir = empty folder delete #rm -rf foldername = delete any folder #rm filename = delete file #date = show date #time = show time #cd .. = change directory #pwd = show path #ls = list directory #ls -a = show hidden file #touch = create blank file #history = show commands history #history -c = clear commands history #cal = show calander #cal anyyear = show year calander #useradd username = add user #passwd username = set user password #userdel username = delete user account #userdel -r username = delete user account with all files #su - username = login user in terminal #useradd -s /sbin/nologin usern...

                  Linux with DevOps Interview Questions  1)    Describe the root account. The root account is like a systems administrator account and allows you full control of the system. Here you can create and maintain user accounts, assigning different permissions for each account. It is the default account every time you install Linux. 2)    What is CLI? CLI is short for Command Line Interface. This interface allows the user to type declarative commands to instruct the computer to perform operations. CLI offers greater flexibility. However, other users who are already accustomed to using GUI find it difficult to remember commands including attributes that come with it. 3)    What is GUI? GUI, or Graphical User Interface, make use of images and icons that users click and manipulate as a way of communicating with the computer. Instead of having to remember and type commands, the use of graphical element...

  Kubernetes installation step-by-step in various OS   Kubernetes Installation and Configuration ========================================= In Kubernetes setup we have one master node and multiple nodes. Cluster nodes is known as worker node or Minion. From the master node we manage the cluster and its nodes using ‘kubeadm‘ and ‘kubectl‘  command. Kubernetes can be installed and deployed using following methods: Minikube ( It is a single node kubernetes cluster) Kops ( Multi node kubernetes setup into AWS ) Kubeadm ( Multi Node Cluster in our own premises) We will install latest version of Kubernetes 1.7 on CentOS 7 / RHEL 7 with kubeadm utility.  Take three CentOS 7 servers with minimal installation. One server will acts master node and rest two servers will be minion or worker nodes. Master Node components :- ------------------------ API Server  – It provides kubernetes API using Jason / Yaml over http, states of API objects are stored in etcd Scheduler...

Jenkin job types  ------------------------------------- Job/Project Types ================== Freestyle Project :-  This is the most "common type" pf project. The build step for this type of project normally executes a shell (Linux) or batch (Windows) command.  Pipeline: This type of project used to be called a "workflow". These projects are normally written in Jenkins Domain Specific Language (DSL). These types of projects are for things that do not fit in a freestyle project, because they are too complicated or span multiple nodes. Multi-Configuration Project: This is for projects that will be tested on "multiple environments", and require different configurations, depending on those environments. Git-Hub Organization: This type of project can use the "source control platform's organization" and allow Jenkins to act on Jenkinsfiles stored within the organization’s repositories. Folder: This provides a method to gr...