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K8s上部署PostgreSQL
What is PostgreSQL?PostgreSQL, or more commonly Postgres, is a relational database that uses the common SQL language to perform queries. It provides features that safely allow users to persist and ...
PostgreSQL
malajisi
2022-04-13 19:19:43
5965
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2022-04-13 19:19:43
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postgres
postgres的用户和角色要决定现有角色的集合,检查pg_roles系统目录,例如:SELECT rolname FROM pg_roles;psql程序的\du元命令也可以用来列出现有角色。CREATE USER和CREATE ROLE等效,除了CREATE USER默认假定有LOGIN,而CREATE ROLE不这样。要创建一个新数据库超级用户,使用CREATE ROLE name S...
PostgreSQL
malajisi
2022-03-11 23:31:03
5905
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0
2022-03-11 23:31:03
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HTTP vs. HTTPS vs. HTTP/2
介绍It's long be understood that the performance impact of HTTPS is no longer a barrier to adoption for websites.There's even a website https://www.httpvshttps.com/ which claims to show HTTPS loads s...
HTTP
https
malajisi
2022-03-09 23:39:28
5890
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0
2022-03-09 23:39:28
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SSL (Secure Sockets Layers) 和 TLS (Transport Layer Security)
There’s been four iterations of the TLS protocol. SSL has been (or is supposed to be) entirely deprecated. So, what’s the difference between SSL and TLS? SSL and TLS简史SSL and TLS are both cryptogra...
企业主机安全 HSS
SSL证书管理
malajisi
2022-03-09 14:22:48
6165
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0
2022-03-09 14:22:48
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k8s Service类型区别
ClusterIP Exposes the Service on a cluster-internal IP. This is the default ServiceType.NodePort ServiceType. When kubernetes creates a NodePort service, kube-proxy allocates a port in the range 30...
Kubernetes
malajisi
2022-02-11 14:54:13
6075
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0
2022-02-11 14:54:13
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Git抽筋解除大法
提交了pull requeset,在fork和原仓库之间用GitHub界面的Fetch and merge经常出现一下空的commit信息。。。尽量不用,或者用了怎么恢复回去。。。请看下面操作:❯ git remote add upstream git@github.com:<ownerrepo>.git❯ git fetch upstream❯ git checkout main #...
Git
malajisi
2021-11-20 00:37:30
7095
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0
2021-11-20 00:37:30
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Basic Regex Cheat Sheet
Symbols“^” : Matches the beginning of the string.“$” : Matches the end of the string.“ . ” : Matches any single character, except for line breaks.“ * “ : Matches the preceding expression zero or mo...
RegEx
malajisi
2021-10-27 18:03:31
6635
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0
2021-10-27 18:03:31
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OpenSSF: Open Source Security Initiatives In Context
The LF’s previous Core Infrastructure Initiative (CII) and its current Open Source Security Foundation (OpenSSF) have been working to secure OSS, both in general and in widely-used components. The ...
malajisi
2021-10-13 23:05:48
5975
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2021-10-13 23:05:48
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区块链基本概念之:Permissioned vs Permissionless Blockchains
关于区块链的划分,通常包括公链、联盟链和私有链(个人认为私有链就是一个伪命题)。更为严谨的定义,即permissionless(or public)chain和permissioned chain。不过两者的本质还是SMR(state-machine replication 状态机复制) ,这是分布式系统中最重要的一个概念。Fabric introduces a new architectu...
malajisi
2021-10-13 22:43:37
9610
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0
2021-10-13 22:43:37
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Kubernetes之Pod
Pod是对一个或者一组容器的抽象,它们共享相同的网络IP和存储。它事实上是Kubernetes里最小的部署单元。你不能直接访问一个Docker容器,你只能访问它的Pod。通常一个Pod包含一个Docker容器,但是你也可以运行多个。例如,一个应用容器可能想在同一个Pod里部署一些监控的后台容器。为了使容器在Kubernetes集群里可以被其它Pod访问,你需要用service来包装这个Pod...
Kubernetes
malajisi
2021-10-12 00:15:32
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2021-10-12 00:15:32
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