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 Jenkins installation on redhat machine installation of java on   yum install wget -y  yum install java-1.8.0-openjdk-devel.x86_64 Jenkins nstallation ----------------------- i.  sudo wget -O /etc/yum.repos.d/jenkins.repo https://pkg.jenkins.io/redhat-stable/jenkins.repo ii. sudo rpm --import https://pkg.jenkins.io/redhat-stable/jenkins.io.key iii.sudo yum install jenkins iv. service jenkins start  service jenkins status ====================sonarqube setup========== Sonarqube on amazon linux ec2 machine Install docker on amazonlinux ec2 then run below command docker run -d --name sonarqube -e SONAR_ES_BOOTSTRAP_CHECKS_DISABLE=true -p 9000:9000 sonarqube:latest =====Integration of sonarqube and jenkins================================ -----In jenkins we need to install SonarQube Scanner plugin--- Then go to manage jenkins and click on configure system In middle we have SonarQube servers option will be there clcik on Add sonar give name and url http://44.192...

1.First install ingress on kubernetes cluster 2.Then take which deployment you want to expose outside  Here i was taken apple and banana deployment

Follow the steps Step-1 1.Take two ubuntu 16.04 machines and enable ssh between them 2.Update host file information on master machine 3.Then do ping test between master and worker machine 4. create apache2.yml playbook --- - hosts: servers  #server host or group name   sudo: yes   tasks:     - name: install apache2       apt: name=apache2 update_cache=yes state=latest     - name: enabled mod_rewrite       apache2_module: name=rewrite state=present       notify:         - restart apache2   handlers:     - name: restart apache2       service: name=apache2 state=restarted Then run ansible play book on master machine then check on both master and worker machine public ip on browser to confirm apache was installed or not . Installing Tomcat After this run play book Then you can check on browser of ...

root@ip-172-31-16-42:~# kubectl get secrets NAME                  TYPE                                  DATA   AGE default-token-2m258   kubernetes.io/service-account-token   3      48m root@ip-172-31-16-42:~ # kubectl create serviceaccount readonlyuser serviceaccount/readonlyuser created root@ip-172-31-16-42:~# kubectl create clusterrole readonlyuser --verb=get --verb=list --verb=watch --resource=pods clusterrole.rbac.authorization.k8s.io/readonlyuser created root@ip-172-31-16-42:~ # kubectl create clusterrolebinding readonlyuser --serviceaccount=default:readonlyuser --clusterrole=readonlyuser clusterrolebinding.rbac.authorization.k8s.io/readonlyuser created root@ip-172-31-16-42:~# TOKEN=$(kubectl describe secrets "$(kubectl describe serviceaccount readonlyuser | grep -i Tokens | awk '{print $2}')" | g...

oc comands 1. oc get pods 2.oc describe pod nginx-78f5d695bd-7x4xm 3. oc get all 4. oc get svc 5.oc delete pod mysql-1-deploy -n myproject --grace-period=0 --force 6. Oc Dashboard

1.After adding Prometheus database with Grafana it showing successfully all the namespaces and related pods.