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Installing containerd.txt
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Installing containerd.txt
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# CHAPTER 2.3 - Installing containerd
# https://learn.acloud.guru/course/2e0bad96-a602-4c91-9da2-e757d32abb8f/learn/56bea242-4b92-4bcb-ad80-f974467c8d7a/da0f959e-e264-4b25-85dd-c9088a692823/watch
# Here are the commands used install containerd. Run these on all three servers.
# Distribution: Ubuntu 22.04 - Jammy Jellyfish
# Size: Small
# Tags: Kube Master, Kube Node 1, Kube Node 2
# Disable swap:
sudo swapoff -a
# Create configuration file for containerd:
cat <<EOF | sudo tee /etc/modules-load.d/containerd.conf
overlay
br_netfilter
EOF
# Load modules:
sudo modprobe overlay
sudo modprobe br_netfilter
# Set system configurations for Kubernetes networking:
cat <<EOF | sudo tee /etc/sysctl.d/99-kubernetes-cri.conf
net.bridge.bridge-nf-call-iptables = 1
net.ipv4.ip_forward = 1
net.bridge.bridge-nf-call-ip6tables = 1
EOF
# Apply new settings:
sudo sysctl --system
# Add Docker’s official GPG key:
sudo install -m 0755 -d /etc/apt/keyrings
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpg
sudo chmod a+r /etc/apt/keyrings/docker.gpg
# Use the following command to set up the repository:
echo \
"deb [arch="$(dpkg --print-architecture)" signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
"$(. /etc/os-release && echo "$VERSION_CODENAME")" stable" | \
sudo tee /etc/apt/sources.list.d/docker.list > /dev/null
# Install containerd. Note: use the following command "sudo kill -9 $( sudo lsof /var/lib/dpkg/lock-frontend | awk '{ print $2 }' | tail -1 )" if you receive a "E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), is another process using it?" message.
sudo apt-get update && sudo apt-get install -y containerd
# Create default configuration file for containerd:
sudo mkdir -p /etc/containerd
# Generate default containerd configuration and save to the newly created default file:
sudo containerd config default | sudo tee /etc/containerd/config.toml
# Update the systemd cgroups parameter in the /etc/containerd/config.toml file:
sudo sed -i 's/SystemdCgroup = false/SystemdCgroup = true/g' /etc/containerd/config.toml
# Restart containerd to ensure new configuration file usage:
sudo systemctl restart containerd
# Verify that containerd is running:
sudo systemctl status containerd