wdghub

mongodb replicaset deploy demo

mongodb 副本集安装样例节点信息 10.10.167.188 10.10.167.190 10.10.167.191 安装文件 1 2 3 4 5 6 7 8 # 在三个节点运行以安装文件 wget "http://url_to_get_software/mongodb-linux-x86_64-rhel70-4.4.4.tgz" tar -zxvf mongodb-linu...

Posted by wdghub on May 24, 2021

mysql spider engine

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Posted by wdghub on May 19, 2021

mysql segment extent page record

Posted by wdghub on May 19, 2021

mysql mha

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Posted by wdghub on May 19, 2021

mysql innodb cluster

Posted by wdghub on May 19, 2021

mysql icp

mysql with icp (>=5.6) mysql without icp

Posted by wdghub on May 19, 2021

mysql btree

Posted by wdghub on May 19, 2021

oracle memory structures

oracle memory structures buffer pool redo log buffer large pool pga content shared pool

Posted by wdghub on May 19, 2021

ssh for windows

windows使用ssh

在window上安装ssh服务，以实现通过ssh连接，且可以分发shell命令 freeSSHd 安装支持ssh/sftp，可以指定连接后使用的命令环境。（如window自带的cmd，或者额外安装的linux的bash）极容易存在漏洞，不要对所有外网开放SSH端口。 cygwin 安装用于支持linux的shell环境

Posted by wdg on December 12, 2019

cas proxy demo

cas proxy 使用样例

在单点登陆基础上使用proxy功能如应用app1要请求app2的接口，app2可以通过proxy功能验证app1的登陆状态 CAS proxy 流程 from apereo.github.io/cas 流程简述 app1登陆cas获取PGTID 当app1要访问app2时，app1使用PGTID从cas获取proxyTicket app1将proxyTicket...

Posted by wdg on December 5, 2019