docker安装rancher2.7

1. hosts配置

127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4

::1        localhost localhost.localdomain localhost6 localhost6.localdomain6

192.168.10.130 rancherserver

2. 主机安全设置

# systemctl stop firewalld;systemctl disable firewalld

# firewall-cmd --state

not running

一、重启后永久性生效：
开启：chkconfig iptables on
关闭：chkconfig iptables off
二、即时生效，重启后失效：
开启：service iptables start
关闭：service iptables stop

# sed -ri 's/SELINUX=enforcing/SELINUX=disabled/' /etc/selinux/config

3. 时间设置

ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime

# crontab -l
0 */1 * * * ntpdate time1.aliyun.com

4.  关闭swap

# cat /etc/fstab

默认开启，修改后关闭
#/dev/mapper/centos-swap swap swap defaults 0 0

5.  配置内核路由转发

# vim /etc/sysctl.conf

# cat /etc/sysctl.conf

...

net.ipv4.ip_forward=1

6. docker-ce安装

# wget -O /etc/yum.repos.d/docker-ce.repo https://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo

yum install -y docker-ce-23.0.1 docker-ce-cli-23.0.1

systemctl enable --now docker

7. 部署及访问rancher

mkdir -p /opt/data/rancher_data

docker run -d --privileged -p 80:80 -p 443:443 -v /opt/data/rancher_data:/var/lib/rancher --restart=always --name rancher-2.7.5 rancher/rancher:v2.7.5