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설치

$ sudo docker run --privileged -d --restart=unless-stopped -p 80:80 -p 443:443 rancher/rancher


설치후 버전확인

docker exec 3dc2abeb2647 rancher --version

root@NucBox-01:/home/psmon# docker exec 3dc2abeb2647 rancher --version
rancher version v2.13.0 (f94ac947f75e312f1ab9217d21b2770b48b734c8)
  • 2.13.0 버전으로 설명이 진행됩니다.

구동후 관리자 페이지접근을 위한 초기 패스워드 

docker logs  container-id  2>&1 | grep "Bootstrap Password:"


초기 설치화면

  • 내부에만 사용할것이기때문에 SSL및 별도의 도메인없이 디폴트로 진행




클린언인스톨


# Rancher / K3s / Kubernetes 클린 초기화 가이드
# (순수 명령어 + 주석만, 스타일 없음)

# 1) K3s 종료 및 uninstall
sudo /usr/local/bin/k3s-killall.sh 2>/dev/null
sudo /usr/local/bin/k3s-uninstall.sh 2>/dev/null
sudo /usr/local/bin/k3s-agent-uninstall.sh 2>/dev/null

# 2) Kubernetes / Rancher / CNI 잔재 삭제
sudo rm -rf /etc/rancher
sudo rm -rf /var/lib/rancher
sudo rm -rf /var/lib/kubelet
sudo rm -rf /var/lib/cni
sudo rm -rf /etc/cni
sudo rm -rf /run/k3s
sudo rm -rf /run/flannel

# 3) CNI 네트워크 인터페이스 삭제
sudo ip link delete flannel.1 2>/dev/null
sudo ip link delete cni0 2>/dev/null

# veth 계열 인터페이스 삭제
for dev in $(ip link | grep veth | awk -F: '{print $2}' | tr -d ' '); do
  sudo ip link delete "$dev" 2>/dev/null
done

# 4) Docker / containerd 중지
sudo systemctl stop docker 2>/dev/null
sudo systemctl stop containerd 2>/dev/null

# 5) Docker / containerd 데이터 삭제
sudo rm -rf /var/lib/docker
sudo rm -rf /var/lib/containerd

# 6) Docker / containerd 재시작
sudo systemctl start containerd 2>/dev/null
sudo systemctl start docker 2>/dev/null

# 7) iptables 초기화
sudo iptables -F
sudo iptables -t nat -F
sudo iptables -t mangle -F

# 8) 클린 상태 확인 (선택)
systemctl status k3s
systemctl status k3s-agent
ip link | grep -E "cni|flannel"
sudo ctr -n k8s.io containers ls
sudo ctr -n k8s.io images ls
ls -l /var/lib/kubelet
ls -l /var/lib/rancher
ls -l /etc/cni

# 이후 Rancher Server 재설치
# docker run -d --privileged --restart=unless-stopped -p 80:80 -p 443:443 --name rancher rancher/rancher:v2.9.2








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