Différences

Ci-dessous, les différences entre deux révisions de la page.

--- tech:notes_kubernetes_k8s_-_install_node [2025/05/27 10:20] – Jean-Baptiste
+++ tech:notes_kubernetes_k8s_-_install_node [2026/06/07 19:12] (Version actuelle) – modification externe 127.0.0.1
@@ Ligne 1: / Ligne 1: @@
+<!DOCTYPE markdown>
+{{tag>Brouillon K8S}}
+# Notes Kubernetes k8s - Install Node
+## Prérequis
+Prérequis :
+ * Unique mac addresses et `/sys/class/dmi/id/product_uuid`
+ * Pas de swap
+### Debian
+Voir :
+* https://cyril.deguet.com/fr/2018/02/12/kubernetes-debian-vps/
+* https://www.digitalocean.com/community/tutorials/how-to-create-a-kubernetes-cluster-using-kubeadm-on-debian-9
+* https://gist.github.com/apokalyptik/99cefb3d2e16b9b0c3141e222f3267db
+* https://www.server-world.info/en/note?os=Debian_10&p=kubernetes&f=3
+* https://www.nuxeo.com/fr/blog/installing-kubernetes-moving-from-physical-servers-to-containers/
+### Generic all Debians
+~~~bash
+# generic
+apt-get install -y yq vim atop tmux sudo
+# for apt-get
+apt-get install -y apt-transport-https ca-certificates curl gpg
+~~~
+A faire :
+ * Changer hostname
+ * Mettre à jour `/etc/hosts`
+ * Copier la clef SSH `ssh-copy-id`
+ * @ip /etc/network/interfaces.d/vlan100 ou netplan
+~~~bash
+apt-get install
+apt-get install network-manager
+~~~
+`/etc/netplan/00-network-manager.yaml`
+~~~yaml
+network:
+  version: 2
+  renderer: NetworkManager
+~~~
+** Netplan avec NetworkManager bug -- Solution : **
+~~~bash
+apt-get purge  '*netplan*'
+systemctl disable --now systemd-networkd.service
+~~~
+~~~bash
+chmod 600 /etc/netplan/00-network-manager.yaml
+netplan try
+netplan apply --debug
+netplan apply
+nmcli connection add con-name vlan100 ifname enp7s0 type ethernet ip4 192.168.100.21/24
+nmcli connection up vlan100
+hostnamectl hostname vmdeb01
+#echo -e "$(hostname -I | awk '{print $2}')\t\t$(hostname)" >> /etc/hosts
+echo "192.168.100.21  vmdeb01.local vmdeb01" >> /etc/hosts
+echo "192.168.100.22  vmdeb02.local vmdeb02" >> /etc/hosts
+apt-get install openssh-server
+adduser admin
+echo "admin ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers.d/admin
+~~~
+~~~bash
+# sysctl params required by setup, params persist across reboots
+cat <<EOF | sudo tee /etc/sysctl.d/k8s.conf
+net.ipv4.ip_forward = 1
+EOF
+# Apply sysctl params without reboot
+sudo sysctl --system
+~~~
+Vérif
+~~~bash
+sysctl net.ipv4.ip_forward
+~~~
+Source : https://kubernetes.io/docs/setup/production-environment/container-runtimes/#cgroup-drivers
+### Old - conf Docker
+~~~bash
+groupadd -g 500000 dockremap
+groupadd -g 501000 dockremap-user
+useradd -u 500000 -g dockremap -s /bin/false dockremap
+useradd -u 501000 -g dockremap-user -s /bin/false dockremap-user
+echo "dockremap:500000:65536" >> /etc/subuid
+echo "dockremap:500000:65536" >> /etc/subgid
+~~~
+~~~
+useradd is a low level utility for adding users. On Debian, administrators should usually use adduser(8) instead.
+~~~
+`/etc/docker/daemon.json`
+~~~json
+{
+  "userns-remap": "default"
+}
+~~~
+### Old
+`/etc/docker/daemon.json`
+~~~javascript
+{
+  "exec-opts": ["native.cgroupdriver=systemd"],
+  "log-driver": "json-file",
+  "log-opts": {
+    "max-size": "100m"
+  },
+  "storage-driver": "overlay2"
+}
+~~~
+~~~bash
+sudo update-alternatives --set iptables /usr/sbin/iptables-legacy
+sudo update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy
+sudo update-alternatives --set arptables /usr/sbin/arptables-legacy
+sudo update-alternatives --set ebtables /usr/sbin/ebtables-legacy
+~~~
+~~~bash
+systemctl restart docker.service
+~~~