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Build "sleep" Image from Alpine
How to Build my "sleep" Docker image from the Alpine image? I want the container to sleep for 10 hours. If you want to build a new Docker image that can be started with a 10-hour sleep command, you can follow this tutorial. 1. Create a "Dockerfile" file with 2 instructions: fyicenter$ mkdir sleep fy...
2022-06-28, 3448👍, 1💬

"docker container ..." Commands
Where to find tutorials on how to use "docker container ..." commands? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on how to use "docker container ..." commands. "docker container ..." - Manage Containers "docker container list" - List Contain...
2022-02-19, 976👍, 0💬

PATH Directories of Windows Container
How to see the PATH directories of Windows image? I want to know what programs I can run on the container. One way to see the PATH directories of a Windows image is to run the CMD shell interactively. Then run the SET sub-command in the shell. C:\fyicenter> docker run --name windows --entrypo...
2022-02-02, 389👍, 0💬

Build a Dummy Windows Image
How to do a dummy image from the "microsoft/dotnet-samples" Docker image? If you want play with the "microsoft/dotnet-samples" Docker image, you should build a dummy Docker image using it as the base. 1. Create a Dockerfile to define the new image: C:\fyicenter> type DummyImage FROM microsoft...
2022-02-02, 332👍, 0💬

Commands Available on Windows Container
What commands are avaible on a Windows container? Can I run the "DIR" command? No. You can not run the "DIR" command on a Windows container directly, because "DIR" is not really a Windows command. "DIR" is actually sub-command valid in the "CMD" shell environment. On a Windows container, you can onl...
2022-02-02, 315👍, 0💬

Run CMD Commands in Dockerfile
How to run CMD Commands in Dockerfile to change Windows Docker images? When building a new Windows image, you can only run executable programs that are already installed on the image. A Windows image usually provides programs in the C:\Windows\System32 directory, including two commonly used programs...
2022-01-24, 861👍, 0💬

"openjdk" Docker Image for Windows
What is the "openjdk" Docker Image for Windows? "openjdk" Docker Image for Windows provides a Docker container of as a Java development environment. 1. Create a container from the "openjdk" image. C:\fyicenter> docker container create --name java --tty --interactive openjdk 2. Start the conta...
2022-01-24, 379👍, 0💬

Run PowerShell Commands in Dockerfile
How to run PowerShell Commands in Dockerfile to change Windows Docker images? When building a new Windows image, you can only run executable programs that are already installed on the image. A Windows image usually provides programs in the C:\Windows\System32 directory, including two commonly used p...
2022-01-24, 355👍, 0💬

Build My Java Image with "openjdk"
How to build My Java Docker Image with "openjdk" If you want build your own Java Docker image with "openjdk", you can following this tutorial. 1. Create a Java program, Hello.java: C:\fyicenter> type Hello.java class Hello { public static void main(String[] a) { System.out.println("Hello worl...
2021-11-30, 345👍, 0💬

"shell" Format vs. "exec" Format
What is the differences between "shell" format and "exec" format when writing instructions in Dockerfile for Windows images? There are several differences between "shell" format and "exec" format when writing instructions in Dockerfile for Windows images. 1. The "shell" format is simple to use. But ...
2021-11-30, 342👍, 0💬

Use "ENV" Instruction on Windows Image
How to use "ENV" Instruction in Dockerfile for Windows images? In a Linux environment, the "ENV" instruction does two things in the image build process: Providing a local variable for subsequent instructions as $var or ${var}. Inserting an environment variable to the Linux image. However, the "ENV" ...
2021-11-30, 332👍, 0💬

Path Name Used to Build Windows Images
What is the format for path names used to build Windows Docker images? Is it different than Linux path name format? Yes. Path name format used to build Windows images is different from Linux images. There are 2 general rules you have to remember when using path names in the Dockerfile to build Windo...
2021-11-30, 320👍, 0💬

Spaces in Path Name on Windows Images
How to manage spaces in path names on Windows images? Spaces in path names are not allowed on Linus systems. But spaces in path names are allowed on Windows systems. There are 2 general rules you have to remember to manage spaces in path names in the Dockerfile to build Windows images. 1. Using the ...
2021-11-30, 319👍, 0💬

Switch OS Type on Docker Desktop for Windows
How to Switch OS Type on Docker Desktop for Windows? One nice feature Docker Desktop for Windows is the ability to support 2 OS types: Linux and Windows. You can follow this tutorial to switch between Windows and Linux OS types on Docker Desktop. 1. Make sure "Docker Desktop" is running. 2. Right-cl...
2021-11-13, 507👍, 0💬

Windows vs. Linux Containers
What are differences between Windows Containers and Linux Containers? A Docker server environment has its own OS (Operating System) like any other computing environments. Currently there are two main OS types supported by the Docker server: Linux and Windows. In order to run a Docker container on a ...
2021-11-13, 444👍, 0💬

"Ctrl-p Ctrl-q" - detach Console
How to use the "Ctrl-p Ctrl-q" sequence to detach console from the TTY terminal of container's running command. If have attached your console to the TTY terminal of the running command of a container using the "docker container attach" or "docker container start --attach" command, you can enter the ...
2021-10-10, 1020👍, 0💬

"docker container exec" - Execute Command on Container
How to Execute an extra Command on a Running Container using the "docker container exec" command? The "docker container exec" command allows you to run an extra command on a running container. Here is a list of options supported by "docker container exec": fyicenter$ docker container exec --help Usa...
2021-10-10, 1001👍, 0💬

"docker container exec ... ls -l" - Files on Container
How to list files on a Running Container using the "docker container exec ... ls -l" command? If the running container is based on a Linux system, we can definitely run the "ls -l" command on the container using the "docker container exec ... ls -l" command as shown below. 1. Create a new container ...
2021-10-10, 994👍, 0💬

"docker container attach" - Attach Console
How to attach the hosting console to the TTY terminal of the default running command on a container using the "docker container attach" command? If the default running command has a TTY terminal for STDIN and STDOUT, you can attach the hosting console to interact with the running command using the "...
2021-10-10, 953👍, 0💬

"docker container start --interactive" - Interact with Container
How to start and interact with the default command on a container using the "docker container start --interactive" command? The "docker container start --attach --interactive" allows you to start the default command with the hosting console attached to the TTY terminal of the default command. The "-...
2021-10-10, 902👍, 0💬

"docker image rm ..." - Remove All Images
How to remove all images from the Docker Engine with "docker image rm ..." command? If you have created many images on the Docker Engine and you want to remove them all, you can use the "docker image rm ..." command with a sub-command to specify the list of all image IDs. 1. Run "docker image list -...
2021-10-02, 1001👍, 0💬

"docker image ..." Commands
Where to find tutorials on how to use "docker image ..." commands? Here is a list of tutorials to answer many frequently asked questions compiled by FYIcenter.com team on how to use "docker image ..." commands. "docker image" - Manage Images "docker image list" - List All Images "docker image inspec...
2021-10-02, 1000👍, 0💬

"docker container run --name" - Run Container with Name
How to create a new container with a given name and run the default command from an image with "docker container run --name" command? If you want to create a new container with a given name from an image, and start the container with the default command in one step, you can use the "docker container...
2021-10-02, 959👍, 0💬

"docker container inspect" - Inspect Container Configuration
How to display and inspect container's configuration using the "docker container inspect" command? The "docker container inspect" command allows you to display and inspect the container's configuration in JSON formation. 1. Create a new container from the "openjdk" image: fyicenter$ docker container...
2021-10-02, 931👍, 0💬

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