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Spinnaker is an open source, multi-cloud, continuous delivery platform that helps you manage applications and deliver applications quickly. Spinnaker's two main functions are: Application management , Application delivery Applications, clusters, and server groups are very important concepts in Spinnaker. Load balancers and firewalls describe ...

Catalog New user Authorization for new users Method 1: Add a new user to the wheel user group Method 2: Add new users to sudoers list New user enabled SSH key login Other Prohibit root users from using SSH to log in Using unconventional SSH ports Prohibit ping ...

Introduction to High Availability High Availability of Hadoop can be divided into HDFS high availability and YARN high availability. Their implementation is basically similar, but HDFS NameNode requires much higher data storage and consistency than YARN Resource Manger, so its implementation is more complex. So let's explain the following: 1.1 ...

1. Common port number of HTTP proxy server: 80/8080/3128/8081/9098 2. Common port number of SOCKS proxy protocol server: 1080 3.FTP (File Transfer) Protocol Proxy Server Common Port Number: 21 4.Telnet (Remote Login) Protocol Proxy Server Comm ...

Cluster Introduction master Nodes: 10.20.10.103 name=cnvs-kubm-101-103 role: [controlplane,worker,etcd] user: k8suser 10.20.10.104 name=cnvs-kubm-101-104 role: [controlplane,worker,etcd] user: k8suser 10.20.10.105 name=cnvs-kubm-101-105 role: [controlplane,worker,etcd] user: k8suser //Cluster Management Node: 10.20.10.103 vip:10.20.10.253 ...

Configure High Availability 1. Install zookeeper 2. Edit zoo_cfg in the conf folder under the installation zookeeper directory If not, copy zoo_ (add to the ip address of the three machines, create a directory, create myid under the directory, ...

Catalog Linux Basic Learning User Login terminal Interactive interface bash Slow steps to modify ssh connections command prompt Show prompt format command alias Command Format Get help for commands man bash Shortcut tab ke ...

Article Directory ssh Introduction to saltssh Basic Definitions Application Scenarios server2(minion) server1(master) test API server2(minion) server1(master) Python OMT Print all minion s that get key s under the master node Open the httpd ...

Git Crawling Beginning - Establishing a Remote Warehouse: The core of building a remote warehouse is to establish ssh connection between local and git server. After initializing the local warehouse through git init, we need to paste the locally gener ...

Environmental Science: 192.168.205.37: as MHA server 192.168.205.47: as Master server 192.168.205.57: as Slave1 server192.168.205.67: as Slave2 server Edition: OS: centos 7 1810 with mini install mariadb-server 5.5.60mha4mysql-manager-0.56-0.el6.noarch.rpm mha4mysql-node-0.56-0.el6.noarch.rpm Purpose: MHA uses a program written in perl scrip ...