Opensuse

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# micro os 测试可行
mkdir -p /etc/init.d
touch /etc/init.d/after.local
vim /etc/init.d/after.local
chmod +x /etc/init.d/after.local
reboot

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#!/usr/bin/sh
/usr/bin/systemctl restart wicked
/usr/bin/echo "测试是否执行脚本" > /root/test.log

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transactional-update shell
zypper ref #刷新
zypper dup #更新
exit
transactional-update cleanup #清理未使用的系统快照

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Repository Management:
  repos, lr             List all defined repositories.
  addrepo, ar           Add a new repository.
  removerepo, rr        Remove specified repository.
  renamerepo, nr        Rename specified repository.
  modifyrepo, mr        Modify specified repository.
  refresh, ref          Refresh all repositories.
  clean, cc             Clean local caches.
# 例子
zypper repos -d # 查看源详细信息
zypper mr -da # 禁用全部源
# 添加国内源
zypper addrepo -f https://mirrors.bfsu.edu.cn/opensuse/tumbleweed/repo/non-oss bfsu-non-oss
zypper addrepo -f https://mirrors.bfsu.edu.cn/opensuse/tumbleweed/repo/oss/ bfsu-oss
zypper ar -f https://mirrors.bfsu.edu.cn/opensuse/tumbleweed/repo/non-oss bfsu-non-oss
zypper ar -f https://mirrors.bfsu.edu.cn/opensuse/tumbleweed/repo/oss/ bfsu-oss
 
zypper refresh # 刷新
zypper ref # 刷新
zypper dup # 更新

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zypper in docker # 安装docker

master:~/parking # cat /etc/docker/daemon.json
{
  "registry-mirrors":["https://rjm3pmfv.mirror.aliyuncs.com"]
}
zypper in docker-compose # 安装docker-compose
zypper in htop # htop
zypper in tmux # tmux
zypper in lrzsz # lrzsz
zypper in zsh # zsh
zypper in git # git
# 安装 ohmyzsh
sh -c "$(curl -fsSL https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"

zypper in podman # 安装 podman
zypper in nfs-kernel-server # 安装 NFS

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caddy@localhost:~> java -version
java version "1.8.0_321"
Java(TM) SE Runtime Environment (build 1.8.0_321-b07)
Java HotSpot(TM) 64-Bit Server VM (build 25.321-b07, mixed mode)
caddy@localhost:~> sudo alternatives --config java
[sudo] root 的密码：
There are 3 choices for the alternative java (providing /usr/bin/java).

  Selection    Path                                    Priority   Status
------------------------------------------------------------
  0            /usr/java/jdk-17.0.2/bin/java            170002000 auto mode
  1            /usr/java/jdk-17.0.2/bin/java            170002000 manual mode
* 2            /usr/java/jdk1.8.0_321-amd64/bin/java    180321    manual mode
  3            /usr/lib64/jvm/jre-11-openjdk/bin/java   2105      manual mode

Press <enter> to keep the current choice[*], or type selection number: 1
update-alternatives: using /usr/java/jdk-17.0.2/bin/java to provide /usr/bin/java (java) in manual mode
caddy@localhost:~> java -version
java version "17.0.2" 2022-01-18 LTS
Java(TM) SE Runtime Environment (build 17.0.2+8-LTS-86)
Java HotSpot(TM) 64-Bit Server VM (build 17.0.2+8-LTS-86, mixed mode, sharing)

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ip link
# 激活网卡
ip link set wlp2s0 up
# 关闭网卡
ip link set wlp2s0 down
# 查看网卡状态
ifstatus wlp2s0
# 连接网络
ifup wlp2s0
# 断开
ifdown wlp2s0

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BOOTPROTO='dhcp'
STARTMODE='auto'
WIRELESS_ESSID='fiy'
WIRELESS_AUTH_MODE='PSK'
WIRELESS_MODE='managed'
WIRELESS_WPA_PSK='fiy123456'
WIRELESS_AP_SCANMODE='1'
WIRELESS_NWID=''

IPADDR='192.168.1.10/24'
BOOTPROTO='static'
STARTMODE='auto'
WIRELESS_ESSID='fiy'
WIRELESS_AUTH_MODE='PSK'
WIRELESS_MODE='managed'
WIRELESS_WPA_PSK='fiy123456'
WIRELESS_AP_SCANMODE='1'
WIRELESS_NWID=''

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echo "PermitRootLogin yes" >> /etc/ssh/sshd_config
# 重启 ssh
systemctl restart sshd.service
service sshd restart

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kubeadm init --image-repository registry.aliyuncs.com/google_containers
# 根据提示 复制配置文件
mkdir -p $HOME/.kube
sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config
sudo chown $(id -u):$(id -g) $HOME/.kube/config
# Setup weave
kubectl apply -f /usr/share/k8s-yaml/weave/weave.yaml
#You may need to reboot the master after applying this change if you see runtime network not ready: NetworkReady=false reason:NetworkPluginNotReady message:Network plugin returns error: Missing CNI default network when runnnig kubectl describe nodes.
# 输出join信息
kubeadm token create --print-join-command

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mkdir .kube
scp root@10.0.0.6:/etc/kubernetes/admin.conf $HOME/.kube/config
# 在 master 输出join信息
kubeadm token create --print-join-command
kubeadm join 10.0.0.6:6443 --token 7eagfo.s93tp0nxirady7w7 \
	--discovery-token-ca-cert-hash sha256:82b4363e47a2e37d0a40298c37d6f9129fdae982cc403b94585bfabdd4351afb
# 设置nodes roles
master:~ # kubectl label no slave kubernetes.io/role=slave
node/slave labeled

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master:~ # kubectl get nodes
NAME     STATUS     ROLES                  AGE   VERSION
master   NotReady   control-plane,master   2m    v1.22.2
master:~ # kubectl get pod -n kube-system
NAME                             READY   STATUS     RESTARTS   AGE
coredns-7f6cbbb7b8-bwd6h         0/1     Pending    0          2m29s
coredns-7f6cbbb7b8-tx95n         0/1     Pending    0          2m29s
etcd-master                      1/1     Running    0          2m36s
kube-apiserver-master            1/1     Running    0          2m37s
kube-controller-manager-master   1/1     Running    0          2m28s
kube-proxy-7wsmt                 1/1     Running    0          2m29s
kube-scheduler-master            1/1     Running    0          2m34s
weave-net-5ksh4                  0/2     Init:0/1   0          48s
master:~ # kubectl get pods -n kube-system -l name=weave-net -o wide
NAME              READY   STATUS    RESTARTS      AGE   IP         NODE     NOMINATED NODE   READINESS GATES
weave-net-5ksh4   2/2     Running   1 (14m ago)   78m   10.0.0.6   master   <none>           <none>
master:~ # reboot

master:~ # kubectl get pod -n kube-system
NAME                             READY   STATUS    RESTARTS      AGE
coredns-7f6cbbb7b8-bwd6h         1/1     Running   0             80m
coredns-7f6cbbb7b8-tx95n         1/1     Running   0             80m
etcd-master                      1/1     Running   1             80m
kube-apiserver-master            1/1     Running   1             80m
kube-controller-manager-master   1/1     Running   1             80m
kube-proxy-7wsmt                 1/1     Running   1             80m
kube-scheduler-master            1/1     Running   1             80m
weave-net-5ksh4                  2/2     Running   1 (15m ago)   78m

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kubeadm reset
kubectl get nodes
kubectl get namespaces
kubectl get pods -n kube-system
kubectl get pod -n kube-system
kubectl get pod --all-namespaces
kubectl get pods
kubectl get pods -n kube-system -l name=weave-net -o yaml | grep IP
kubectl drain slave --delete-local-data --ignore-daemonsets
kubectl delete node slave
kubectl cluster-info

kubectl describe deployment nginx-deployment
kubectl describe pod nginx-deployment-66b6c48dd5-p9kbk

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192.168.1.2:/root/export/this/directory  /local/mountpoint   nfs   auto    0   0

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# Disable Automatic Updates
systemctl --now disable transactional-update.timer

# Disable Rebootmgr
systemctl --now disable rebootmgr
## or
rebootmgrctl set-strategy off

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[rebootmgr]
window-start=03:30
window-duration=1h30m
strategy=best-effort
lock-group=default