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Debian安裝K8s需要哪些依賴

小樊
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2025-06-26 01:32:14
欄目: 智能運維

在Debian系統上安裝Kubernetes(K8s)集群需要滿足一定的硬件和軟件要求,并安裝一系列依賴軟件包。以下是詳細的依賴列表和安裝步驟:

依賴包列表

  • apt-transport-https
  • ca-certificates
  • curl
  • software-properties-common
  • docker-ce
  • docker-ce-cli
  • containerd.io
  • kubelet
  • kubeadm
  • kubectl
  • ipvsadm
  • ipset
  • sysstat
  • conntrack
  • libseccomp2

安裝步驟

  1. 更新軟件包列表
sudo apt update
  1. 安裝Docker
sudo apt install apt-transport-https ca-certificates curl software-properties-common
curl -fsSL https://download.docker.com/linux/debian/gpg | sudo gpg --dearmor -o /usr/share/keyrings/docker-archive-keyring.gpg
echo "deb [archamd64 signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian $(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list
sudo apt update
sudo apt install docker-ce docker-ce-cli containerd.io
sudo systemctl start docker
sudo systemctl enable docker
  1. 安裝Kubernetes組件
curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
echo "deb https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee /etc/apt/sources.list.d/kubernetes.list
sudo apt update
sudo apt install -y kubelet kubeadm kubectl
sudo apt-mark hold kubelet kubeadm kubectl
  1. 關閉swap分區
sudo swapoff -a
sudo sed -i 's/.*swap.*/#&/' /etc/fstab
  1. 配置內核參數
cat <<eof | sudo tee /etc/modules-load.d/containerd.conf
overlaybr_netfilter
eofs
sudo modprobe overlays
sudo modprobe br_netfilter
eof
cat <<eof | sudo tee /etc/sysctl.d/99-kubernetes-k8s.conf
net.bridge.bridge-nf-call-iptables = 1
net.ipv4.ip_forward = 1
eof
sudo sysctl --system
  1. 初始化Kubernetes集群

在主節點上執行:

sudo kubeadm init --pod-network-cidr=192.168.0.0/16 --service-cidr=10.96.0.0/12
  1. 配置kubectl
mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config
  1. 安裝并配置Kubernetes網絡插件(可選)

例如,安裝Calico網絡插件:

kubectl apply -f https://docs.projectcalico.org/manifests/tigera-operator.yaml
kubectl apply -f https://docs.projectcalico.org/manifests/custom-resources.yaml

請注意,具體的安裝步驟可能會因不同的Kubernetes版本和配置而有所差異。建議參考最新的官方文檔進行配置和安裝。

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