how to save docker container

A recent project has a launch container that automatically executes a script to launch an app, and finds that the container exits automatically when the script finishes executing. problem Analysis a Docker container can manage only one process at a time, and when the process exits, the

Container and container communicate with each other. The official name is linking containers together! The most common is to run a web iner and a DB container to link the Web container to the DB container; A network channel (BRIDGE) is established between two containers thr

Docker+kubernetes (k8s) micro-service container Practice": HTTPS://PAN.BAIDU.COM/S/16RTL8DBMFUWJKEKZRD9EMW"Let's get started.What is Kubernetes?Kubernetes (k8s) is an open source platform for automating container operations, including deployment, scheduling, and Inter-node cluster expansion. If you've ever used Docker

Configuring a LAN network with pipework for Docker multi-container problem: Use the Pipework tool to specify the LAN IP address for the Docker container, the container cannot communicate with the LAN or the external network. Pipework is a

Tags: Kubernetes Docker container TutorialThis section shows how to provide persistent storage for a MySQL database in the following steps: Create PV and PVC. Deploy MySQL. Add data to MySQL. Simulating node downtime, Kubernetes automatically migrates MySQL to other nodes. Verify data consistency. First create the PV and PVC, configured as follows:Mysql-pv.ymlMysql-pvc.yml create MYSQL-PV

Click to have a surprise With the stack YAML file defined, the application can be deployed through the Docker stack deploy command. Docker will create the various resources according to the YAML content. In order to not duplicate the name, all resources will be prefixed with the stack names, and we are here wpstack_*. After deployment is complete, you can view the status of various resources throug

Docker officially provides a Web UI interface to manage containers and mirrors, called: ShipyardModify the configuration file firstVim/etc/sysconfig/dockerAdd to:other_args= "-H tcp://0.0.0.0:235-h unix:///var/run/docker.sock"Note: Centos7 uses options="-H tcp://0.0.0.0:235-h unix:///var/run/docker.sock"Restart:/etc/init.d/docker restartPerform:To get a/data data volume:Docker run-ti-d--restart=always--name

Run the Nodejs container in CentOS7, find the mounted local directory does not execute permissions in the container, after various authentication and Google search, found the cause of the problem, here to do a record. The reason is that the security module in CentOS7 selinux the permissions, at least in the following three ways to solve the problem of a mounted directory without permissions: 1, when running

(1) View the container ID (container ID) Docker ps-a (2) Enter into the container inside Docker exec-it 6b654059476e/bin/bash ps:-it parameter is the ID of the container (3) into the MySQL database successfully mysql-uroot-p

current cluster is to execute kubeadm reset it on each node . You can then initialize the cluster as we did in the "Initializing Master" section of the "Deploying Kubernetes Cluster" chapter earlier. Kubeadm Init--apiserver-advertise-address 192.168.56.105--pod-network-cidr=10.244.0.0/16then follow the documentation https://kubernetes.io/docs/setup/independent/create-cluster-kubeadm/ install Canal. The documentation lists the installation methods for various network scenarios:Execute the follow

In the previous section we prepared the Macvlan experimental environment, and today we create Macvlan network Mac_net1 in Host1 and host2: Note: also execute the same command in Host2. ①NBSP; -d Macvlan NBSP; specifies driver as Macvlan. ②macvlan Network is the local network, in order to ensure that cross-host communication, users need to manage their own IP subnet.③ Unlike other networks, Docker does not create a gateway for Macvlan, where the

attribute access control (ABAC), Role access control (RBAC) authentication authorization policy. Basic Object Concepts Basic objects: nPod Pod is the smallest deployment unit, a pod consisting of one or more containers, in which containers share storage and network, running on the same Docker host. nService Service An application services abstraction that defines the pod logic set and the strategy for accessing this pod collection. Service Agent P

When you deploy a Project Server, the Docker container is set to start automatically, in response to power outages and other conditions that affect access to normal Web projects. When you use the Docker run to start the container, use the--restart parameter to set: [plain] view plain copy ~

Label: Original link: Docker create MySQL ContainerThe purpose of this is to create a MySQL image that comes out of the container itself and actively initiates the MySQL service to accept external connectionsSteps:1. First create a folder and create a dockerfile under the folder, the file contents such as the followingFrom CENTOS:CENTOS6 maintainer fanbin Kong "[email protected]" RUN yum install-y mysql-s

1 NamespaceTo do the isolation of the PID, with the namespace, in the Docker container, it is a complete Linux world. In host view, container process, is an ordinary host process, namespace provide this PID mapping and isolation effect, host container, like creators create a paradise.2 CgroupsIn my other blog post, the

specify a particular database. Even if you do not specify a database, using REPLICATE-DO-DB is not allowed. Slow_query_log=1: Open the slow query log. If one of the SQL execution times exceeds the number of seconds long_query_time set, it is recorded. The record file path can use the show variables command to find a specific log file path under the variable name slow_query_log_file. Long_query_time=1: The unit is seconds. Indicates that if an SQL statement executes longer than 1 seconds, it i