We have an Ubuntu 26.04 host which is not connected to the Internet, so can’t do the online\/default RKE2 install and needs the required install files downloaded and transferred to it.<\/p>\n\n\n\n
This post will be cleaned up\/updated asap..<\/p>\n\n\n\n
Commands are:<\/p>\n\n\n\n
apt install -y curl ca-certificates apparmor apparmor-utils
swapoff -a
grep -n swap \/etc\/fstab
vi \/etc\/fstab
modprobe overlay
modprobe br_netfilter
cat >\/etc\/modules-load.d\/rke2.conf <<‘EOF’
overlay
br_netfilter
EOF<\/p>\n\n\n\n
cat >\/etc\/sysctl.d\/90-rke2.conf <<‘EOF’
net.ipv4.ip_forward = 1
net.bridge.bridge-nf-call-iptables = 1
net.bridge.bridge-nf-call-ip6tables = 1
EOF<\/p>\n\n\n\n
sysctl –system tls-san:<\/p>\n\n\n\n systemctl enable rke2-server kubectl get nodes -o wide <\/p>\n","protected":false},"excerpt":{"rendered":" We have an Ubuntu 26.04 host which is not connected to the Internet, so can’t do the online\/default RKE2 install and needs the required install files downloaded and transferred to it. This post will be cleaned up\/updated asap.. Commands are: … Continue reading
RKE2_VERSION=’v1.36.4+rke2r1′
curl -sfL https:\/\/get.rke2.io<\/a> -o install.sh
chmod +x install.sh
echo Would now push install.sh to target host
curl -fLO “https:\/\/github.com\/rancher\/rke2\/releases\/download\/${RKE2_VERSION\/+\/%2B}\/rke2.linux-amd64.tar.gz<\/a>“
curl -fLO “https:\/\/github.com\/rancher\/rke2\/releases\/download\/${RKE2_VERSION\/+\/%2B}\/sha256sum-amd64.txt<\/a>“
curl -fLO “https:\/\/github.com\/rancher\/rke2\/releases\/download\/${RKE2_VERSION\/+\/%2B}\/rke2-images.linux-amd64.tar.zst<\/a>“
mkdir \/root\/rke2-offline-install
cd \/root\/rke2-offline
INSTALL_RKE2_ARTIFACT_PATH=\/root\/rke2-offline sh .\/install.sh
which rke2
rke2 –version
ls -l \/usr\/local\/bin\/rke2*
mkdir -p \/var\/lib\/rancher\/rke2\/agent\/images
cp \/root\/rke2-offline\/rke2-images.linux-amd64.tar.zst \/var\/lib\/rancher\/rke2\/agent\/images\/
touch \/var\/lib\/rancher\/rke2\/agent\/images\/.cache.json
ls -la \/var\/lib\/rancher\/rke2\/agent\/images\/
mkdir -p \/etc\/rancher\/rke2
cat >\/etc\/rancher\/rke2\/config.yaml <<‘EOF’
write-kubeconfig-mode: “0644”<\/p>\n\n\n\n\n
EOF<\/li>\n<\/ul>\n\n\n\n
systemctl start rke2-server
systemctl status rke2-server
export PATH=$PATH:\/var\/lib\/rancher\/rke2\/bin
export KUBECONFIG=\/etc\/rancher\/rke2\/rke2.yaml
cat >\/etc\/profile.d\/rke2.sh <<‘EOF’
export PATH=$PATH:\/var\/lib\/rancher\/rke2\/bin
export KUBECONFIG=\/etc\/rancher\/rke2\/rke2.yaml
EOF<\/p>\n\n\n\n
kubectl get pods -n kube-system
kubectl get helmcharts -n kube-system
kubectl get ingressclass
kubectl get pods -A -o wide<\/p>\n\n\n\n