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- Is there a performance hit with Docker?
- Docker has a performance loss, but it is very small. Compared with Docker's excellent functions, this performance loss is negligible. Docker is an open source application container engine that allows developers to package applications into a container and then publish them to Runs on any popular Linux machine.
- Docker 12826 2020-06-11 10:52:58
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- What problems does Docker technology solve?
- Problems solved by Docker technology: 1. Solving the problems caused by inconsistent running environments, Docker will uniformly manage configuration files; 2. Solving the problem of memory consumption, Docker will specify memory allocation for each program from the beginning; 3. Make rapid expansion and elastic scaling easy.
- Docker 8950 2020-06-10 15:13:11
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- What language is Docker written in?
- Docker is written in Go language, which is a statically strongly typed, compiled, concurrent programming language with garbage collection function. It features concise code, supports high concurrency micro-threads and more basic types. This language Generally used for back-end development.
- Docker 7224 2020-06-10 14:57:32
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- What is the difference between Moby and Docker?
- The difference between Moby and Docker: Moby is an open source framework created by Docker for assembling specialized container systems, while Docker is an open source application container engine that allows developers to package applications into containers and then publish them to on any popular platform.
- Docker 3870 2020-06-09 17:55:10
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- How to solve docker cannot log in
- The solution to the problem that docker cannot log in: first open the docker configuration file; then change "--selinux--enabled" to "--selinux-enabled=false"; finally use "systemctl start docker" to restart.
- Docker 4160 2020-06-09 17:03:53
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- How to solve the problem that docker cannot push to http
- Solution to the problem that docker cannot push to http: First create the "daemon.json" file in the "/etc/docker/" directory; then add security configuration to the file; and finally restart docker.
- Docker 4403 2020-06-09 16:34:06
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- How to solve the problem that IPV4 cannot be used during docker port mapping
- The solution to the problem that IPV4 cannot be used when docker port mapping: first open the "/sysctl.conf" configuration file; then add the code "net.ipv4.ip_forward=1"; finally restart the network service and check the modification results.
- Docker 4109 2020-06-09 16:33:59
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- How to delete image files in docker
- How docker deletes image files: first check the image ID and container running status to ensure that there are no running containers; then delete the container; finally use "docker rmi imageid" to delete the image.
- Docker 14616 2020-06-09 16:33:51
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- How docker implements packaging
- How docker implements packaging: 1. Create a "dockerfile" file; 2. Generate a jar package; 3. Generate an image; 4. Start the container; 5. Verify whether the deployment is successful.
- Docker 4406 2020-06-09 16:33:43
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- How to modify the docker image download address
- How to modify the docker image download address: first open the "/etc/docker/daemon.json" configuration file; then find "registry-mirrors" to modify the address; and finally click Save.
- Docker 2828 2020-06-09 16:33:33
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- How to solve the problem that docker's port cannot access tcp6
- The solution to the problem that docker's port cannot access tcp6: first open the "00-system.conf" configuration file; then add a line of "net.ipv4.ip_forward=1"; and finally restart docker.
- Docker 5493 2020-06-09 16:31:24
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- How to solve the problem of failure to pull the image in docker
- The solution to the failure of pulling the image in docker: first enter the Alibaba Cloud docker library and register an account to enter the control management console; then select the image accelerator option; then modify the "/daemon.json" file; finally pull the image again and test The accelerator effect is sufficient.
- Docker 6043 2020-06-09 16:30:58
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- How to solve the error when docker pulls private warehouse image
- The solution to the error when docker pulls the private warehouse image: first modify or create a new "daemon.json" file; then add the "insecure-registries" configuration; and finally restart the docker service.
- Docker 3327 2020-06-09 16:30:48
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- How to solve the problem that docker cannot connect to the latest version of mysql client
- The solution to the problem that the mysql client cannot connect when installing the latest version of docker: first enter the docker container; then modify the encryption method of mysql; and finally check whether the mysql client can connect.
- Docker 3455 2020-06-09 16:30:36
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- How to solve the problem that docker cannot access the host inside
- The solution to the problem that the host cannot be accessed inside docker: first configure the firewall rules and reload the rules; then use it when starting the container "--net host" mode; finally turn off the firewall.
- Docker 4330 2020-06-09 16:30:27
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