...
yum -y install ipvsadm ipset sysstat conntrack libseccomp yum -y install perl rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org yum -y install https://www.elrepo.org/elrepo-release-7.0-4.el7.elrepo.noarch.rpm yum --enablerepo="elrepo-kernel" -y install kernel-ml.x86_64 grub2-set-default 0 grub2-mkconfig -o /boot/grub2/grub.cfg #!/bin/bash ipvs_mods_dir="/usr/lib/modules/$(uname -r)/kernel/net/netfilter/ipvs" echo ''>
cat <<EOF >>/etc/modules-load.d/ipvsmodules.conf for i in $(ls $ipvs_mods_dir|grep -o "^[^.]*") do echo $i >>/etc/modules-load.d/ipvs.conf /sbin/modinfo -F filename $i &>/dev/null if [ $? -eq 0 ];then /sbin/modprobe $i fi done ip_vs ip_vs_lc ip_vs_lblc ip_vs_lblcr ip_vs_rr ip_vs_wrr ip_vs_sh ip_vs_dh ip_vs_fo ip_vs_nq ip_vs_sed ip_vs_ftp ip_vs_sh ip_tables ip_set ipt_set ipt_rpfilter ipt_REJECT ipip xt_set br_netfilter nf_conntrack overlay EOF systemctl enable --now systemd-modules-load.service echo
echo never > /sys/kernel/mm/transparent_hugepage/defrag echo never > /sys/kernel/mm/transparent_hugepage/enabled echo 'echo never > /sys/kernel/mm/transparent_hugepage/defrag' >> /etc/rc.local echo 'echo never > /sys/kernel/mm/transparent_hugepage/enabled' >> /etc/rc.local cat <<-EOF >> /etc/sysctl.conf vm.swappiness=0 EOF sysctl -p modprobe overlay modprobe br_netfilter cat <<EOF > /etc/sysctl.d/k8s.conf net.ipv4.ip_forward = 1 net.bridge.bridge-nf-call-iptables = 1 net.bridge.bridge-nf-call-ip6tables = 1 fs.may_detach_mounts = 1 vm.overcommit_memory=1 vm.panic_on_oom=0 fs.inotify.max_user_watches=89100 fs.file-max=52706963 fs.nr_open=52706963 net.netfilter.nf_conntrack_max=2310720 net.ipv4.tcp_keepalive_time = 600 net.ipv4.tcp_keepalive_probes = 3 net.ipv4.tcp_keepalive_intvl =15 net.ipv4.tcp_max_tw_buckets = 36000 net.ipv4.tcp_tw_reuse = 1 net.ipv4.tcp_max_orphans = 327680 net.ipv4.tcp_orphan_retries = 3 net.ipv4.tcp_syncookies = 1 net.ipv4.tcp_max_syn_backlog = 16384 net.ipv4.ip_conntrack_max = 131072 net.ipv4.tcp_max_syn_backlog = 16384 net.ipv4.tcp_timestamps = 0 net.core.somaxconn = 16384 EOF sysctl -p sysctl -p /etc/sysctl.d/k8s.conf yum install wget jq psmisc vim net-tools telnet yum-utils unzip zip device-mapper-persistent-data lvm2 git lrzsz -y cat <<EOF > /etc/yum.repos.d/kubernetes.repo [kubernetes] name=Kubernetes baseurl=https://mirrors.aliyun.com/kubernetes/yum/repos/kubernetes-el7-x86_64/ enabled=1 gpgcheck=1 repo_gpgcheck=1 gpgkey=https://mirrors.aliyun.com/kubernetes/yum/doc/yum-key.gpg https://mirrors.aliyun.com/kubernetes/yum/doc/rpm-package-key.gpg EOF
yum install -y kubelet-1.26* kubectl-1.26* kubeadm-1.26* containerd.io
前面都是安装
这里注意
vim /etc/containerd/config.toml
注释掉这行
#disabled_plugins : ["cri"]
systemctl restart containerd && systemctl enable containerd
初始化
kubeadm init --apiserver-advertise-address=172.28.239.71 --image-repository registry.aliyuncs.com/google_containers --kubernetes-version v1.26.3 --service-cidr=10.96.0.0/16 --pod-network-cidr=10.244.0.0/16