Failed to start The nginx HTTP and reverse proxy server

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nginx服务常用操作

#查看nginx服务状态
systemctl status nginx.service
#启动nginx服务
systemctl start nginx.service
#停止nginx服务
systemctl stop nginx.service
#重启nginx服务
systemctl restart nginx.service
#重新读取nginx配置(这个最常用, 不用停止nginx服务就能使修改的配置生效)
systemctl reload nginx.service

启动nginx报错：Failed to start The nginx HTTP and reverse proxy server

Failed to start The nginx HTTP and reverse proxy server,Nginx,nginx,http,运维

对于报错的描述是Address already in use，说明端口被占用：

Jun 01 09:54:24 cloud-codec-test-1cd7f2e4d.qiyi.virtual nginx[47909]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
Jun 01 09:54:24 cloud-codec-test-1cd7f2e4d.qiyi.virtual nginx[47909]: nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
Jun 01 09:54:25 cloud-codec-test-1cd7f2e4d.qiyi.virtual nginx[47909]: nginx: [emerg] bind() to 0.0.0.0:8900 failed (98: Address already in use)
Jun 01 09:54:25 cloud-codec-test-1cd7f2e4d.qiyi.virtual nginx[47909]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
Jun 01 09:54:25 cloud-codec-test-1cd7f2e4d.qiyi.virtual nginx[47909]: nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)