Kubernetes/网关/Ingress/Ingress问题记录.md
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本文作者:丁辉

Ingress问题记录

重启 ingress 控制器后报错

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NGINX Ingress controller
  Release:       v1.10.1
  Build:         4fb5aac1dd3669daa3a14d9de3e3cdb371b4c518
  Repository:    https://github.com/kubernetes/ingress-nginx
  nginx version: nginx/1.25.3

-------------------------------------------------------------------------------

F0504 11:14:47.852320       7 main.go:64] port 80 is already in use. Please check the flag --http-port

解决方法

允许从端口 1 开始的所有端口都可以被非特权用户使用

  • 临时解决

    sysctl -w net.ipv4.ip_unprivileged_port_start=1
    
  • 永久

    echo 'net.ipv4.ip_unprivileged_port_start = 1' > /etc/sysctl.d/ip_unprivileged_port_start.conf
    

总结

这根本就是权限问题, 而官方的报错存在误导性。很让人生气啊, 硬生生看了一下午。