Installing containerd

Install containerd on the management and compute nodes.

Procedure

Clone the containerd source package.

git clone https://github.com/containerd/containerd -b release/1.4

Initialize the directory module.

cd containerd
go mod init github.com/containerd/containerd

Add missing modules and delete unnecessary modules.
```
go mod tidy
```
Download dependencies to the project.
```
go mod vendor
```
Compile the source code.
```
make
```
Install containerd.
```
make install
```

Configure systemd.

mkdir -p /usr/local/lib/systemd/system/
cp containerd.service /usr/local/lib/systemd/system/containerd.service
systemctl daemon-reload
systemctl enable --now containerd

Create a default containerd configuration file and configure cgroup.

Modify the sandbox_image parameter. Otherwise, you may fail to pull images.
1. Create a default containerd configuration file.
```
mkdir -p /etc/containerd
containerd config default > /etc/containerd/config.toml
```
2. Set the cgroup and sandbox_image parameters.
  1. Open the /etc/containerd/config.toml file.
```
vi /etc/containerd/config.toml
```
  2. Press i to enter the insert mode. In the /etc/containerd/config.toml file, change sandbox_image under the [plugins."io.containerd.grpc.v1.cri"] field to the following information:
```
sandbox_image="registry.aliyuncs.com/google_containers/pause:3.2"
```
  3. Under the [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options] field, add the following information to complete the cgroup configuration:
```
SystemdCgroup = true
```
    Modification result:
  4. Press Esc, type :wq!, and press Enter to save the file and exit.
  5. Restart containerd to make the new configuration take effect.
```
sudo systemctl restart containerd
```

Parent topic: Deploying the Kubernetes Cluster