Programming VIP

Flannel needs to be deployed in all the master and node s1. Generate certificate for Flannel [root@node-01 ssl]# vim flanneld-csr.json { "CN": "flanneld", "hosts": [], "key": { "algo": "rsa", "size": 2048 }, "names": [ { "C": "CN", "ST": "BeiJing", "L": "BeiJing", "O": "k8s", "OU": "System" ...

kubernetes command summary Set Turn off virtual memory swapoff -a vim /etc/fstabl #/dev/mapper/centos-swap swap View docker environment variables systemctl show --property=Environment docker Set agent cancel agent export http_proxy="http://127.0.0.1:8123/" unset http_proxy View token kubeadm token list Get token command in SA kubectl ...

I. what is docker? brief introduction Docker is an open source engine, which can easily create a lightweight, portable, self-sufficient container for any application. The containers that developers compile and test on laptops can be deployed in production environment in batches, including VMs (virtual machine), bare metal, OpenStack cluster and ...

1. Start docker service [root@docker ~]# systemctl start docker 2. View the image in docker [root@docker ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE centos/mysql-57-centos7 latest 2e4ddfafaa6f 6 months ago 445MB gogs/gogs ...

#(1) Download filebeathttps://artifacts.elastic.co/downloads/beats/filebeat/filebeat-5.4.0-linux-x86_64.tar.gz #(2) build filebeat image 1) prepare the dockerfile file # cat dockerfile FROM docker.io/centos WORKDIR /usr/local COPY filebeat-5.4.0-linux-x86_64.tar.gz /usr/local RUN cd /usr/local && \ tar xvf filebeat-5.4.0-linu ...

Previous process diagram It's only for you to sort out and understand the latest code process. Some details will not be dug in1. Enter the client to receive the code block, and the runInfo method returns the contentgithub.com/docker/cli/cli/command/system/info.go // NewInfoCommand creates a new cobra.Command for `docker info` func NewInfoComm ...

This article introduces how to build a docker image for the springboot program. Docker is an open source application container engine based on Go language and Apache 2.0 protocol. Docker allows developers to package their applications and dependencies into a lightweight, portable container, and then publish them to any popular L ...

Create a container without network configuration [root@localhost ~]# docker run -i -t --rm --net=none alpine sh / # Open another terminalView container id [root@localhost ~]# docker ps -a Find process id [root@localhost ~]# docker inspect -f '{{.State.Pid}}' 2aefc41dbdeb 9076 [root@localhost ~]# pid=9076 Create namespace [root@localhost ~] ...

Bowen structureBuilding a Nginx containerBuilding Tomcat ContainersBuilding Mysql Container Understanding Docker containers can be accomplished by Installation and simple operation To understand. 1. Building Nginx containers Nginx is a lightweight WEB server as well as an excellent reverse proxy server. Nginx service takes up less memory and ...

mysql small example Create a mysql-rc.yaml file apiVersion: v1 kind: ReplicationController # Replica controller RC metadata: name: mysql # Name of RC, globally unique spec: replicas: 1 # Expected number of copies selector: app: mysql # Pod that matches the target has this label template: # Create a copy (instance) of Pod a ...