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In the process of using Docker, users often need to be able to view the data generated by the application in the container, or need to back up the data in the container, or even share the data between multiple containers, which inevitably involves the data management operation of the container.There are two main ways in which you manage data in a container: Data volumes Data Volume container
, but the ing port set during container startup is different. The command is as follows: Sudo docker run-t-I-p 3322: 22-p 3380: 80 87e5b6b3ccc1/bin/bash Finally, enter "hello this is 170.17.0.3" in the webapps/scripts file in the tomcat installation directory of this container, and then access http: // 172.17.0.3/hello.html on the host, the following content is displayed: 8. After the container configuration
Tags: Mirror service man master-slave nec ATI landing ant master-slave configurationThe main master synchronization configuration and the master-slave configuration is very similar, only need a little modification on it, the master-slave configuration in doubt to view the previous article. Before the Docker operation,
Mount, back up, and restore data.To create a centralized volume group:Docker run--name dbdata-v/dbdata centos7:file Echo " data-only container for MySQL. " Mount using:Docker Run-rt--volumes-from dbdata Centos7:tar/bin/bashCd/dbdataTouch AA bb cc DB3:AABackup:[email protected] backup]# Docker run--name backup-file-d--volumes-from dbdata-v/backup:/backup Centos7:tar tar cvf /backup/$ (date +%m%d-) backup.tar/dbdata[email protected] backup]# LL-rw-r--r-
It is very simple to run multiple processes simultaneously in a traditional environment, and the system initializes an init or systemctl process, which is managed by the rest of the process. There is no init process in the container environment, start a Docker container, and only let it run a foreground program.So is there a way to solve this problem?There are currently two main tools, one is supervisor and the other is monit. This article first to in
1.docker One kind of bridge network schematic diagram650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M01/85/8B/wKioL1eoMpKQn9yIAABuACV_d8k586.png "title=" Docker bridging. png "alt=" Wkiol1eompkqn9yiaabuacv_d8k586.png "/>2. Configure the Docker container network and host host network in the same network segment using the pipework third-party open Source Ne
I recently studied Docker and tested it in Ubuntu 15.04 by using the APT library provided by Docker and then installing it using Apt-get, which is referenced here. I want to test my own private library, because the private library does not have a certificate configured, so you need to modify the configuration in the Docker
kubernetes Introduction Kubernetes is a container cluster management system that Google Open-source in June 2014, using the Go language development, Kubernetes also called k8s. K8s is a Borg container cluster management system inside Google, Borg has been operating on Google's mass production for 10 years. K8s is mainly used for automated deployment, expansion and man
old bridge. $ sudo service docker stop $ sudo ip link set dev Docker0 down $ sudo brctl delbr Docker0 Then create a bridge bridge0. $ sudo brctl addbr bridge0 $ sudo ip addr add 10.0.200.1/24 dev bridge0 $ sudo ip link set dev bridge0 up View The Network Bridge is created and started. $ IP Addr Show bridge0 4:bridge0: link/e Ther 66:38:d0:0d:76:18 brd ff:ff:ff:ff:ff:ff inet 10.0.200.1/24 scope global BRIDGE0 Valid_lft Forever Preferred_
Tags: fix ace height introduction otto many star Ali OttMonit and supervisor still have a very big difference, supervisor management is the foreground execution of the process, Monit can manage the foreground process can also manage the background process, simply said, in CentOS using service XXX Start program, The use of Monit can be directly managed, which solves the problem that many programs that do not start in the foreground cannot be managed wi
exchanges and discussions.Company Background Introduction:Shanghai Yun Axis Information Technology Co., Ltd. (hereinafter referred to as Shanghai Yun Axis) was established in 2015. The company initiated and maintained the next generation of open source cloud computing engine Zstack (http://zstack.org), the company's team members are from Silicon Valley and domestic foreign core research and development personnel, in the cloud-related core areas of more than 10 years of technology accumulation.
This article describes the configuration of simple load balancing on Docker, the host for Ubuntu 14.04.2 LTS, two CentOS containers, the host installation Nginx, two containers installed TOMCAT7. The structure is as follows:The idea of this scenario is to map the port of the host and the port of the Docker container (that is, a port that accesses the host is mapp
Before the Docker operation, set up the directory, my path is d:/docker/mysql, the directory structure is as follows:--mysql --master --data --conf --my.cnf --slaver --data --conf --my.cnf 1. master-Slave configuration fileMaster:my.cnf[mysqld]server_id = 1log-bin= mysql-binread-only=0binlog-do-db=bloggingreplicat
The first step, locate the Docker.service fileThe contents are as follows:After=network.targetWants=docker-storage-setup.service[Service]Type=notifyEnvironmentfile=-/etc/sysconfig/dockerEnvironmentfile=-/etc/sysconfig/docker-storageEnvironmentfile=-/etc/sysconfig/docker-networkEnvironment=gotraceback=crashExecstart=/usr/bin/d
Samba service and docker container installation configuration in the php development environment, sambadockerSamba installation ConfigurationYum install samba-client samba-common modify smb. conf, it is best to back up the original file first to prevent smb from executing vi/etc/samba/smb due to incorrect modification. conf // configuration file [global] workgrou
Because in the test environment with Docker deployment of multiple applications, and their ports have the same, some are not the same, the number is more, in the use of the Jenkins version of the time, the poor configuration, so want to write a script, in the Docker container creation, stop, Automatically generate Nginx reverse proxy, then reload Nginx My princip
In the previous section we deployed ETCD, and this section installs and configures flannel. Build Flannel Flannel do not have a ready-made executable file available, you must build it yourself, the most reliable way is to build in the Docker container. But for build Docker mirror hosting in Gcr.io, domestic may not be directly accessible, for the convenience of everyone, I put it mirror to the
First of all. Because Docker implementations require some Linux components to support itself and kernel features. Make sure that the CentOS version number is greater than 6, and that the kernel version number is greater than 2.6.32-431. You can easily upgrade CENTOS6 to the latest version number.sudo yum upgradeThen install Cgroupsudo yum install libcgroupservice cgconfig start #启动croup服务lssubsys-amassuming a successful installation, the last comm
Log view:sudo journalctl-fu docker.serviceCertificate Generation Reference:https://docs.docker.com/engine/security/https/Vi/lib/systemd/system/docker.service:[Unit]Description=docker Application Container EngineDocumentation=https://docs.docker.comAfter=network.target Docker.socketRequires=docker.socket [Service] type=notify # The default is ' not ' systemd for cgroups because the delegate issues still # Exis TS and SYSTEMD currently does not suppo
Write Dockerfile configuration file#DockerfileFrom Centos:6 #以下命令用在什么镜像中Maintainer Cuizhipeng RUN Yum install-y openssh-server sudoRUN sed-i ' s/usepam yes/usepam no/g '/etc/ssh/sshd_configRUN ssh-keygen-q-N ""-T dsa-f/etc/ssh/ssh_host_dsa_keyRUN ssh-keygen-q-N ""-T rsa-f/etc/ssh/ssh_host_rsa_keyEXPOSE #设置一个端口在运行的镜像中暴露在外RUN echo ' root:123456 ' | chpasswdRUN yum Install tar gzip gcc vim wget-yENV LANG en_US. UTF-8 #设置环境变量ENV Lc_all en_US. UTF-8RUN mkd
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