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cat >> /etc/ssh/sshd_config <<EOF KexAlgorithms +diffie-hellman-group-exchange-sha256,diffie-hellman-group1-sha1 EOF sudo systemctl restart ssh # Secu 阅读全文
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安全组有状态,出去的它可以记住你要回来的流量 acl无状态,记不住,就是拒绝 阅读全文
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powercfg -h off 阅读全文
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OKD 什么是OKD Openshift 就是K8s的一个发行版,OKD则是Openshift的社区版. OKD is a distribution of Kubernetes optimized for continuous application development and multi-te 阅读全文
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https://resources.sei.cmu.edu/asset_files/Presentation/2015_017_001_431205.pdf 阅读全文
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OceanBase 数据库概览-数据库介绍 集群节点全对等,每个节点都具备计算和存储能力,无单点瓶颈。支持线性扩展,在线扩展,单一数据库集群最大超过 1500 台服务器。 数据采用多副本存储,少数副本故障不影响数据可用性,RPO = 0(Recovery Point Objective,零数据丢失) 阅读全文
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tcp_fin_timeout tcp_max_tw_buckets Changing tcp_fin_timeout and tcp_max_tw_buckets NR_OPEN is the maximum number of files that can be opened by proces 阅读全文
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Q: There have been reports of randomly occurring hangs/crashes of the oracle DB. Oracle team has found out the cause is that file(socket files) are ge 阅读全文
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title: windows wuauclt - check for updates wuauclt.exe /detectnow wuauclt.exe /resetauthorization /detectnow wuauclt.exe /reportnow wuauclt.exe /updat 阅读全文
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Table of Contents vnc Reference vnc # for rhel yum install tigervnc-server rpm -ql tigervnc-server vncserver vncserver -list vncserver -kill :x Refere 阅读全文