Fix configuring containerd on Ubuntu 18.04/20.04

Author: outofmem0ry

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

@@ -140,7 +140,7 @@ sudo apt-get update && sudo apt-get install -y containerd
 ```shell
 # Configure containerd
 sudo mkdir -p /etc/containerd
-sudo containerd config default > /etc/containerd/config.toml
+sudo containerd config default | sudo tee /etc/containerd/config.toml
 ```
 
 ```shell