Kubernetes 是一个开源系统,用于容器化应用的自动部署、扩缩和管理。它将构成应用的容器按逻辑单位进行分组以便于管理和发现。
下载地址:https://mirrors.aliyun.com/kubernetes/
[root@centos ~]# hostnamectl Static hostname: centos Icon name: computer-vm Chassis: vm Machine ID: f6fc8fb7991c4c518238af7c75f16046 Boot ID: baa5dae1c7614a0790ac9c3b5c0a9b7b Virtualization: vmware Operating System: CentOS Linux 7 (Core) CPE OS Name: cpe:/o:centos:centos:7 Kernel: Linux 3.10.0-1160.el7.x86_64 Architecture: x86-64
Kubernetes.repo
YUM源[root@centos ~]# 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 [root@centos ~]# cat /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 [root@centos ~]#
PS:由于官网未开放同步方式, 可能会有索引gpg检查失败的情况, 这时请用
yum install -y --nogpgcheck kubelet kubeadm kubectl
安装
① 执行setenforce 0
命令,暂时允许SELINUX安全模式放行通过。重启失效。
[root@centos ~]# setenforce 0 [root@centos ~]# getenforce permissive
② 编辑/etc/selinux/config
配置文件,保存退出,重启生效。
[root@centos ~]# vim /etc/selinux/config [root@centos ~]# cat /etc/selinux/config # This file controls the state of SELinux on the system. # SELINUX= can take one of these three values: # enforcing - SELinux security policy is enforced. # permissive - SELinux prints warnings instead of enforcing. # disabled - No SELinux policy is loaded. SELINUX=disabled # SELINUXTYPE= can take one of three values: # targeted - Targeted processes are protected, # minimum - Modification of targeted policy. Only selected processes are protected. # mls - Multi Level Security protection. SELINUXTYPE=targeted [root@centos ~]# getenforce Disabled
[root@centos ~]# yum install -y kubelet kubeadm kubectl Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: mirrors.aliyun.com * extras: mirrors.aliyun.com * updates: mirrors.aliyun.com Package kubelet-1.22.4-0.x86_64 already installed and latest version Package kubeadm-1.22.4-0.x86_64 already installed and latest version Package kubectl-1.22.4-0.x86_64 already installed and latest version Nothing to do [root@centos ~]#
[root@centos ~]# systemctl start kubelet [root@centos ~]# systemctl enable kubelet Created symlink from /etc/systemd/system/multi-user.target.wants/kubelet.service to /usr/lib/systemd/system/kubelet.service.