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https://gitee.com/dushixiang/kafka-map 阅读全文
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问题 APP调用我方一json行情接口,请求量较大,经观测发现后端服务器 TIME_WAIT 量达到6万多,ESTABLISHED量却只有100多,经分析可能是nginx至后端服务器未开启长连接导致。 优化 nginx调整开启 http1.1支持 # upstream配置增加 keepalive 3 阅读全文
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补丁下载 https://www.catalog.update.microsoft.com/Search.aspx?q=KB4103712 适用于 CVE-2018-0886 的 CredSSP https://www.catalog.update.microsoft.com/Search.aspx 阅读全文
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添加VLAN ID 为2000网络 [root@localhost network-scripts]# cat ifcfg-eno1 TYPE=Ethernet PROXY_METHOD=none BROWSER_ONLY=no DEFROUTE=yes IPV4_FAILURE_FATAL=no 阅读全文
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参考 https://docs.oracle.com/cd/E11882_01/server.112/e22490/original_export.htm#SUTIL2642 备份脚本 #!/bin/bash day=`date +%Y%m%d` source /home/oracle/.bash_ 阅读全文
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SSL/TLS协议信息泄露漏洞(CVE-2016-2183) DES/3DES Ciphers: TLS_RSA_WITH_3DES_EDE_CBC_SHA SSL/TLS 受诫礼(BAR-MITZVAH)攻击漏洞(CVE-2015-2808) RC4 Ciphers: TLS_RSA_WITH_R 阅读全文
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修复过程 cd /opt/cloudera/parcels/CDH/bin ./zookeeper-client -server 127.0.0.1:2181 [zk: 127.0.0.1:2181(CONNECTED) 1] getAcl / 'world,'anyone : cdrwa [zk: 阅读全文
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报错1: could not retrieve transation read-only status server 2021-08-19T15:26:46,042 INFO [HiveServer2-Handler-Pool: Thread-110] metastore.ObjectStore: 阅读全文
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参考 https://vm.knutsson.it/2018/07/10fb-does-not-support-flow-control-autoneg/ https://www.virtual-allan.com/10fb-does-not-support-flow-control-autoneg 阅读全文
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错误日志 2021-08-16T04:19:01.884Z error vpxd[7F4798BA3700] [Originator@6876 sub=Default] [VdbStatement] SQL execution failed: insert into VPX_EVENT_ARG_88 阅读全文