Nginx怎么配置TCP负载均衡

[root@nginxlb ~]# dnf install epel-release -y

[root@nginxlb ~]# dnf install nginx -y

[root@nginxlb ~]# rpm -qi nginx

[root@nginxlb ~]# firewall-cmd --permanent --add-service=http[root@nginxlb ~]# firewall-cmd --permanent --add-service=https[root@nginxlb ~]# firewall-cmd –reload

[root@nginxlb ~]# sed -i s/^SELINUX=.*$/SELINUX=permissive/ /etc/selinux/config[root@nginxlb ~]# reboot

[kadmin@k8s-master ~]$  kubectl get all -n ingress-nginx

[root@nginxlb ~]# vim /etc/nginx/nginx.conf

upstream backend {  server 192.168.1.41:32760;  server 192.168.1.42:32760;}server {  listen 80;  location / {      proxy_read_timeout 1800;      proxy_connect_timeout 1800;      proxy_send_timeout 1800;      send_timeout 1800;      proxy_set_header        Accept-Encoding   "";      proxy_set_header        X-Forwarded-By    $server_addr:$server_port;      proxy_set_header        X-Forwarded-For   $remote_addr;      proxy_set_header        X-Forwarded-Proto $scheme;      proxy_set_header Host $host;      proxy_set_header X-Real-IP $remote_addr;      proxy_pass http://backend;  }   location /nginx_status {       stub_status;   }}

[root@nginxlb ~]# systemctl start nginx[root@nginxlb ~]# systemctl enable nginx

[kadmin@k8s-master ~]$ kubectl create deployment nginx-deployment --image=nginxdeployment.apps/nginx-deployment created[kadmin@k8s-master ~]$ kubectl expose deployments nginx-deployment  --name=nginx-deployment --type=NodePort --port=80service/nginx-deployment exposed

[root@localhost ~]# echo "192.168.1.50  nginx-lb.example.com" >> /etc/hosts