[k8s]debug模式启动集群&k8s常见报错集合(on the fly)
192.168.14.134 m1.ma.com m1192.168.14.132 n1.ma.com n1
192.168.14.133 n2.ma.com n2
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systemctl stop firewalld && systemctl disable firewalld
sysctl -w net.ipv6.conf.all.disable_ipv6=1
sysctl -w net.ipv6.conf.default.disable_ipv6=1
sysctl -w net.ipv4.ip_forward=1
echo 'iptables -P FORWARD ACCEPT' >> /rc.local
iptables -P FORWARD ACCEPT
sysctl -p
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mkdir -p /kubernetes/network/config/
cat > /kubernetes/network/config/flannel-config.json << EOF
{
"Network": "10.2.0.0/16",
"SubnetLen": 24,
"Backend": {
"Type": "host-gw"
}
}
EOF
etcd --advertise-client-urls=http://0.0.0.0:2379 --listen-client-urls=http://0.0.0.0:2379 --debug
cd /kubernetes/network/config
etcdctl set /kubernetes/network/config < flannel-config.json
flanneld -etcd-endpoints=http://192.168.14.134:2379 -iface=eth0 -etcd-prefix=/kubernetes/network
cat /run/flannel/subnet.env
vim /usr/lib/systemd/system/docker.service
--bip=10.2.20.1/24 --mtu=1500 --ipmasq=true
--bip=10.2.98.1/24 --mtu=1450
systemctl daemon-reload
systemctl restart docker
ps -ef|grep docker
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kube-apiserver \
--service-cluster-ip-range=10.254.0.0/16 \
--etcd-servers=http://127.0.0.1:2379 \
--insecure-bind-address=0.0.0.0 \
--v=2
--admission-control=NamespaceLifecycle,LimitRanger,ServiceAccount,DefaultStorageClass,ResourceQuota \
kube-controller-manager \
--master=http://127.0.0.1:8080 \
--v=2
kube-scheduler \
--master=http://127.0.0.1:8080 \
--v=2
pkill kube-apiserver
pkill kube-controller-manager
pkill kube-scheduler
ps -ef|egrep"kube-apiserver|kube-controller-manager|kube-scheduler"
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kubelet \
--api-servers=http://192.168.14.134:8080 \
--allow-privileged=true \
--v=2
kubelet \
--api-servers=http://192.168.14.134:8080 \
--allow-privileged=true \
--cluster-dns=10.254.0.2 \
--cluster-domain=cluster.local. \
--v=2
kube-proxy \
--master=http://192.168.14.134:8080 \
--v=2
pkill kubelet
pkill kube-proxy
ps -ef|egrep "kubelet|kube-proxy"
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yum install bash-com* -y
source <(kubectl completion bash)
alias kk='kubectl get pod --all-namespaces -o wide --show-labels'
alias ks='kubectl get svc --all-namespaces -o wide --show-labels'
alias wk='watch kubectl get pod --all-namespaces -o wide --show-labels'
alias klog-dns='kubectl logs -f --namespace=kube-system $(kubectl get pods --namespace=kube-system -l k8s-app=kube-dns -o name) -c kubedns'
alias klog-dnsmasq='kubectl logs -f --namespace=kube-system $(kubectl get pods --namespace=kube-system -l k8s-app=kube-dns -o name) -c dnsmasq'
alias klog-sidecar='kubectl logs -f --namespace=kube-system $(kubectl get pods --namespace=kube-system -l k8s-app=kube-dns -o name) -c sidecar'
yum install -y conntrack-tools socat#这个kubelet日志里看到需要
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