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1. Deploy highly available kube-controller-manager 1.1 Introduction to highly available kube-controller-manager In this experiment, a Three-instance cluster of kube-controller-manager is deployed. After starting, a leader node will be generated through the competitive election mechanism, and the other nodes will be blocked.When the leader nod ...

To read this article, you must know the basic docker. This article only provides ideas and part of the code, not responsible for teaching All orders must be handled carefully! look before you leap command Stop all running containers docker stop $(docker ps -a -q) Delete all containers docker rm $(docker ps -a -q) Using docker compose to start t ...

Catalog What is array array operator basic operation Create array Traversing array Create an array of type K=V Delete change check each( ) list( ) What is array Array is one of the data structures, which is widely used in Web scenar ...

I. deploy the master node 1.1 master node service The kubernetes master node runs the following components: kube-apiserver kube-scheduler kube-controller-manager kube-nginx Kube apiserver, Kube scheduler and Kube controller manager all run in multi instance mode: Kube scheduler and Kube controller manager will automatically elect ...

String (str) String type is the sequence type of python. Its essence is character sequence. Besides, the string type of python can't be changed. You can't modify the original string, but you can copy part of the string into a new string to achieve the same modification effect. To create a string type, you can use single quotation mark, double q ...

Configure Nginx hidden version number In the production environment, the version number of Nginx needs to be hidden to avoid the leakage of security vulnerabilities View method Use fiddler tool to view Nginx version number in Windows client Use "curl-i web address" command to view in CentOS system The method of hiding version ...

Configure Nginx hidden version number In the production environment, the version number of Nginx needs to be hidden to avoid the leakage of security vulnerabilities View method Use fiddler tool to view Nginx version number in Windows client Use "curl-i web address" command to view in CentOS system The method of hiding version num ...

Nginx process management instance: [root@nginx nginx-1.12.2]# cd /usr/local/nginx/ [root@nginx nginx]# ls client_body_temp fastcgi_temp logs sbin uwsgi_temp conf html proxy_temp scgi_temp [root@nginx nginx]# cd conf/ [root@nginx conf]# vim nginx.conf //Set timeout keepalive_timeout 65 180; client_header_t ...

I. deployment of kubectl 1.1 installation of kubectl 1 [root@k8smaster01 ~]# cd /opt/k8s/work 2 [root@k8smaster01 work]# wget https://dl.k8s.io/v1.14.2/kubernetes-client-linux-amd64.tar.gz 3 [root@k8smaster01 work]# tar -zxvf kubernetes-client-linux-amd64.tar.gz 1.2 distribution of kubectl 1 [root@k8smaster01 ~]# cd /opt/k8s/work ...

1. Host planning   salt version 1 [root@salt100 ~]# salt --version 2 salt 2018.3.3 (Oxygen) 3 [root@salt100 ~]# salt-minion --version 4 salt-minion 2018.3.3 (Oxygen)   Returners document https://docs.saltstack.com/en/latest/ref/returners/index.html   Returner Modules documentation https://docs.saltstack.com/en/latest/ref ...