Docker Quick Start series (2): container concepts and related operations, docker Quick StartWhat is container
To put it simply, an image requires a carrier, which is a container. As mentioned in the previous article, an additional
Restarting the Docker service at run time may cause container to fail to start, and the error message is similar to the containerError response from Daemon:cannot start container zookeeper:error getting container DDF1DD91BBF46DC64
Exit 0 fi if [-f "] then #文件存在, delete the first row sed-i ' 1d '" $ "else #文件不存在 sleep 1s check Conffile "$" "$" fi} #docker run Dockerrun () {#判断是否启动confd服务 if ["$DOCKER _options_mount_info"! = ""] then STA rtconfd fi Log "$LINENO" "DEBUG" "Docker run-d--name $DOCKER _container_name--net=host-l namespace=app-e host_
View
Docker PSThere are some main parameters to say1. Without parameters, to view the currently running container2. A, view all containers including the stop state of the container3-L to view the newly created container4.-n=x, view the last created X containerMake a list of the results of Docker PSCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMESWhat do these separate represent?
. Use the –volumes-from dbdata parameter to have the worker container mount the data volume of the Dbdata container (that is, the dbdata data volume);3. Use the-V $ (PWD):/backup parameter to mount the local current directory to the worker container's/backup directoryAfter the worker container is started, the tar cvf/backup/backup.tar/dbdata command is used to ba
Docker learning: configure the rancher network environment, download and start the Tomcat container1. About rancher
The rancher environment was set up last time, but the network was not configured properly (). Container not created successfully. This time, it turns out to be a network problem. The coreos installed in virtualbox is not configured with an ip addres
Some students have installed nginx under Docker but do not know where the directory is, you can use the command" 50x.html "Because Nginx is bound to have 50x.html, so look for it, the results found Nginx directory in the Docker container, if you operate it, you need to enter the container shell.The
= 192.168.2.196Gateway = 192.168.2.1DNS = 192.168.2.1DNS = 114.114.114.114
Then restart the service:
systemctl restart systemd-networkd
At this time, the ip address is allocated. It can be accessed through the Intranet.
3. Set host
Add a Host:First, enter the host IP address. If an error occurs, modify the IP address in the admin menu:Then add an agent that can be monitored by rancher only after the agent service is available.Of course, this host is itself.A super-long id will be generated a
Docker multi-container through--link interconnection, how to do sequential start?This is the case, my Docker container is PHP service container, one is the MySQL service container, PHP
In the ordinary Ubuntu system, only need to start the script to write in the/etc/rc.local, you can achieve power-on from boot. But in Docker, this is not the case at all, so how do you start multiple applications at boot? By default, Ubuntu in Docker will start/bin/bash.
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
Docker container simultaneous start of multi-service
Reprint please specify from: http://blog.csdn.net/wsscy2004Yesterday I stepped on a sinkhole, I have a basic mirror centos6.5+ssh, is through dockerfile build, using the cmd command to start SSH.
Through centos6.5+ssh mirroring, I want to build a rabbitmq mirror, do
Docker Container start multi-service at the same timeReprint please specify from: http://blog.csdn.net/wsscy2004Yesterday I stepped on a sinkhole, I have a basic mirror centos6.5+ssh, is through dockerfile build, using the cmd command to start SSH.Through centos6.5+ssh mirroring, I want to build a rabbitmq mirror, dock
Docker Quick Start-common docker commands 1. Introduction to docker commands 1. Introduction to docker commands
You can run the sudo docker or sudo docker HELP command to view the
.
Containerd is a simple daemon that can use Runc to manage containers and expose other functions of the container using GRPC. It manages the container's start, stop, pause and destroy. Because the container is running as an orphaned engine, the engine can eventually start and upgrade without restarting the
nvidia-dockeris a can be GPU used docker , nvidia-docker is docker done in a layer of encapsulation, through nvidia-docker-plugin , and then call to docker on, its final implementation or on docker the
the specified container (used to look at log, the effect is similar to tail-f, and is output in real time. )
docker logs -f [container]
docker logs -f nostalgic_morse
Get container Specify port mapping relationship
is the second way to run the Dcoker binary, which is to access the RESTful service process through the command-line client. The third way, the Docker binaries can run as clients accessing the remote image warehouse. The image that generates the container file system is called a warehouse. Users can download images provided by others, and can upload their own images to the registry to share those images.
new container, map the host container port, and run the following command to enter the container shell:
# Docker run-it-P 81: 80 Ubuntu-nginx/bin/bash# Nginx
Here,-POption to list the host port to container port. The host port can be arbitrary, and the
Three major docker components: container and docker1. containers are another core concept of Docker.
Simply put, containers are one or more applications that run independently and Their runtime environments. The virtual machine can be understood as a simulation.A complete set of operating systems (including the running environment and other system environments) a
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