Initialize the master, by picking one of the machines and running: kubeadm init The network interface is auto-detected and then advertises the master on it with the default gateway. A successful initialization eBook 18 5. Set up the environment for Kubernetes. On the master run the following as a regular user: sudo cp /etc/kubernetes/admin.conf $HOME/ sudo chown $(id -u):$(id -g) $HOME/admin.conf eBook 24 1. Get a Container Registry Account at Quay Sign up for a Quay.io account, and record the user name. After you log in, you can see it under “Users and Organizations” on the top right of the repositories

development practices were a big step toward improving the application development process for the end user and for internal or external customers. However, while Agile focused on customer and developer experience because each change is tracked in a new version without altering previous versions (except if the user requests a change explicitly, an extreme and rare event). So you can revert back to a previous version adopt GitOps, Git is not only your source of truth (as it is for most projects) but also your interface into your environment. Developers have used Git workflows for their application delivery method

Provision app It is important to notice that at all times you can still use the Argo CD user interface in addition to the Codefresh UI. Argo CD UI All changes that you do in one place

sudden spike in traffic to the application, which creates performance issues, causing an unsatisfactory user experience when using the web application. To address this issue, the delivery team wants to increase underlying infrastructure, it will be successfully modified with new resource allocations to meet the user demands. But, what happens if the deployment fails, or a configuration error causes a networking

SOPs/KSOPs ○ Many others Argo CD - Order Dependent Deployments https://argoproj.github.io/argo-cd/user-guide/sync-waves/ ● Sometimes you have cases where you need to deploy things in a specific order GitOps with OpenShift ■ Multi-cluster GitOps with OpenShift linkedin.com/company/red-hat youtube.com/user/RedHatVideos facebook.com/redhatinc twitter.com/RedHat Questions? 34

CloudExplorer 平台数据库：keycloak/fit2cloud/activiti 1）编辑备份脚本 #!/bin/bash # 数据库信息 DB_HOST=localhost DB_USER=root DB_PASS=Password123@mysql # 备份目录 BACKUP_DIR=/backup/mysql # 数据库信息 DATABASES=(fit2cloud keycloak 数据库轮询备份，并创建对应数据库存储目录 for db in ${DATABASES[@]} do mkdir -p ${BACKUP_DIR}/${db} sleep 1 mysqldump -u$DB_USER -p$DB_PASS -h$DB_HOST --single-transaction --events --flush-logs --routines --triggers -B ${db} |

system. As a segregated environment, the system can only be changed through Git, thereby reducing user error and speeding up time to deployment. P.5 Empower developers to deploy with confidence

Prod Environment Push Sync $ kam bootstrap linkedin.com/company/red-hat youtube.com/user/RedHatVideos facebook.com/redhatinc twitter.com/RedHat 32 Red Hat is the world’s leading provider

components while ensuring clear separation and control over changes in each layer of the system. User Permissions and Access Controls To operate and maintain a GitOps system effectively, you will need

3. Time to restore service This is defined by DORA as the average time from the detection of a user-impacting incident to its remediation. In the best performing organizations, the average time was