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Remove some tabs on container-runtimes.md docs 

This simplifies the containerd installation instructions. All Linux distros will
now download from Docker repos, including Ubuntu 18.04 which previously
installed from Ubuntu repos.

The Docker runtime instructions have also been simplified. The RHEL/CentOS
specific option overlay2.override_kernel_check=true option has been removed.
It seems Docker will now autodetect overlay2 support on older Linux kernels
<4.0.0,>=3.10.0-514, which have back-ported overlay2 support on RHEL/CentOS 7.4+
See moby/moby#34368
pull/26952/head
Terry Moschou 2021-03-10 15:45:33 +10:30
parent b1686cc43a
commit e7e5f0c912
1 changed files with 15 additions and 165 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

180
content/en/docs/setup/production-environment/container-runtimes.md
View File

@ -92,37 +92,9 @@ sudo sysctl --system
Install containerd: Install containerd:
{{< tabs name="tab-cri-containerd-installation" >}} {{< tabs name="tab-cri-containerd-installation" >}}
{{% tab name="Ubuntu 16.04" %}} {{% tab name="Linux" %}}
1. Setup the [Docker Engine repository for Ubuntu](https://docs.docker.com/engine/install/ubuntu/#set-up-the-repository) 1. Install the `containerd.io` package from the official Docker repositories. Instructions for setting up the Docker repository for your respective Linux distribution and installing the `containerd.io` package can be found at [Install Docker Engine](https://docs.docker.com/engine/install/#server).
2. Install containerd:
```shell
sudo apt-get update && sudo apt-get install -y containerd.io
```
3. Configure containerd:
```shell
sudo mkdir -p /etc/containerd
containerd config default | sudo tee /etc/containerd/config.toml
```
4. Restart containerd:
```shell
sudo systemctl restart containerd
```
{{% /tab %}}
{{% tab name="Ubuntu 18.04/20.04" %}}
1. Install containerd:
```shell
sudo apt-get update && sudo apt-get install -y containerd
```
2. Configure containerd: 2. Configure containerd:
@ -137,60 +109,10 @@ Install containerd:
sudo systemctl restart containerd sudo systemctl restart containerd
``` ```
{{% /tab %}}
{{% tab name="Debian 9+" %}}
1. Setup the [Docker Engine repository for Debian](https://docs.docker.com/engine/install/debian/#set-up-the-repository)
2. Install containerd:
```shell
sudo apt-get update && sudo apt-get install -y containerd.io
```
3. Configure containerd:
```shell
sudo mkdir -p /etc/containerd
containerd config default | sudo tee /etc/containerd/config.toml
```
4. Restart containerd:
```shell
sudo systemctl restart containerd
```
{{% /tab %}}
{{% tab name="CentOS/RHEL 7.4+" %}}
1. Setup the [Docker Engine repository for CentOS/RHEL](https://docs.docker.com/engine/install/centos/#set-up-the-repository)
2. Install containerd:
```shell
sudo yum update -y && sudo yum install -y containerd.io
```
3. Configure containerd:
```shell
sudo mkdir -p /etc/containerd
containerd config default | sudo tee /etc/containerd/config.toml
```
4. Restart containerd:
```shell
sudo systemctl restart containerd
```
{{% /tab %}} {{% /tab %}}
{{% tab name="Windows (PowerShell)" %}} {{% tab name="Windows (PowerShell)" %}}
<br />
Start a Powershell session, set `$Version` to the desired version (ex: `$Version=1.4.3`), and then run the following commands: Start a Powershell session, set `$Version` to the desired version (ex: `$Version=1.4.3`), and then run the following commands:
<br />
1. Download containerd: 1. Download containerd:
@ -425,28 +347,9 @@ in sync.
### Docker ### Docker
On each of your nodes, install Docker CE. 1. On each of your nodes, install the Docker for your Linux distribution as per [Install Docker Engine](https://docs.docker.com/engine/install/#server)
The Kubernetes release notes list which versions of Docker are compatible 2. Configure the Docker daemon, in particular to use systemd for the management of the container’s cgroups.
with that version of Kubernetes.
Use the following commands to install Docker on your system:
{{< tabs name="tab-cri-docker-installation" >}}
{{% tab name="Ubuntu 16.04+" %}}
1. Setup the [Docker Engine repository for Ubuntu](https://docs.docker.com/engine/install/ubuntu/#set-up-the-repository)
2. Install Docker CE:
```shell
sudo apt-get update && sudo apt-get install -y \
containerd.io=1.2.13-2 \
docker-ce=5:19.03.11~3-0~ubuntu-$(lsb_release -cs) \
docker-ce-cli=5:19.03.11~3-0~ubuntu-$(lsb_release -cs)
```
3. Set up the Docker daemon:
```shell ```shell
sudo mkdir /etc/docker sudo mkdir /etc/docker
@ -462,73 +365,20 @@ Use the following commands to install Docker on your system:
EOF EOF
``` ```
4. Create `/etc/systemd/system/docker.service.d`: {{< note >}}
`overlay2` is the preferred storage driver for systems running Linux kernel version 4.0 or higher, or RHEL or CentOS using version 3.10.0-514 and above.
```shell {{< /note >}}
sudo mkdir -p /etc/systemd/system/docker.service.d
``` 3. Restart Docker and enable on boot:
5. Restart Docker:
```shell ```shell
sudo systemctl enable docker
sudo systemctl daemon-reload sudo systemctl daemon-reload
sudo systemctl restart docker sudo systemctl restart docker
``` ```
{{% /tab %}} {{< note >}}
{{% tab name="CentOS/RHEL 7.4+" %}} For more information refer to
- [Configure the Docker daemon](https://docs.docker.com/config/daemon/)
1. Setup the [Docker Engine repository for CentOS/RHEL](https://docs.docker.com/engine/install/centos/#set-up-the-repository) - [Control Docker with systemd](https://docs.docker.com/config/daemon/systemd/)
{{< /note >}}
2. Install Docker CE:
```shell
sudo yum update -y && sudo yum install -y \
containerd.io-1.2.13 \
docker-ce-19.03.11 \
docker-ce-cli-19.03.11
```
3. Set up the Docker daemon:
```shell
sudo mkdir /etc/docker
cat <<EOF | sudo tee /etc/docker/daemon.json
{
"exec-opts": ["native.cgroupdriver=systemd"],
"log-driver": "json-file",
"log-opts": {
"max-size": "100m"
},
"storage-driver": "overlay2",
"storage-opts": [
"overlay2.override_kernel_check=true"
]
}
EOF
```
4. Create `/etc/systemd/system/docker.service.d`:
```shell
sudo mkdir -p /etc/systemd/system/docker.service.d
```
5. Restart Docker:
```shell
sudo systemctl daemon-reload
sudo systemctl restart docker
```
{{% /tab %}}
{{< /tabs >}}
If you want the `docker` service to start on boot, run the following command:
```shell
sudo systemctl enable docker
```
Refer to the [official Docker installation guides](https://docs.docker.com/engine/installation/)
for more information.