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tweak readme tutorial

This commit is contained in:
yukang 2021-08-27 08:01:17 +00:00
parent 29fb64aca9
commit 4eb5b3fe75
2 changed files with 14 additions and 20 deletions
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5
.gitignore vendored
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@ -1,8 +1,6 @@
youki
/tutorial
/rootfs
.idea/
**/target
@ -11,6 +9,3 @@ youki
tags
tags.lock
tags.temp
/config.json

29
README.md
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@ -64,8 +64,11 @@ For other platforms, please use [Vagrantfile](#setting-up-vagrant) that we prepa
### Debian, Ubuntu and related distributions
```sh
$ sudo apt-get install pkg-config build-essential libsystemd-dev \
libdbus-glib-1-dev
$ sudo apt-get install \
pkg-config \
libsystemd-dev \
libdbus-glib-1-dev \
build-essential
```
### Fedora, Centos, RHEL and related distributions
@ -95,8 +98,8 @@ $ git clone git@github.com:containers/youki.git
$ cd youki
$ ./build.sh
$ mkdir rootfs
$ mkdir -p tutorial/rootfs
$ cd tutorial
# use docker to export busybox into the rootfs directory
$ docker export $(docker create busybox) | tar -C rootfs -xvf -
```
@ -104,18 +107,14 @@ $ docker export $(docker create busybox) | tar -C rootfs -xvf -
Then, we need to prepare a configuration file. This file contains metadata and specs for a container, such as the process to run, environment variables to inject, sandboxing features to use, etc.
```sh
$ ./youki spec # will generate a spec file named config.json
$ ../youki spec # will generate a spec file named config.json
```
We can edit the `config.json` to add customized behaviors for container. Here, we modify the `process` field to run `sleep 30`.
```json
"process": {
"terminal": true,
"user": {
"uid": 0,
"gid": 0
},
...
"args": [
"sleep", "30"
],
@ -126,11 +125,11 @@ We can edit the `config.json` to add customized behaviors for container. Here, w
Then we can explore the lifecycle of a container:
```sh
$ sudo ./youki create first-container # create a container with name `first-container`
$ sudo ./youki state first-container # you can see the state the container is `created`
$ sudo ./youki start first-container # start the container
$ sudo ./youki list # will show the list of containers, the container is `running`
$ sudo ./youki delete first-container # delete the container
$ sudo ./youki create -b tutorial tutorial_container # create a container with name `tutorial_container`
$ sudo ./youki state tutorial_container # you can see the state the container is `created`
$ sudo ./youki start tutorial_container # start the container
$ sudo ./youki list # will show the list of containers, the container is `running`
$ sudo ./youki delete tutorial_container # delete the container
```
Change the command to be executed in `config.json` and try something other than `sleep 30`.