<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[goddessblessme的博客]]></title><description><![CDATA[oh]]></description><link>https://blog.youkuaiyun.com/goddessblessme</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; goddessblessme]]></copyright><item><title><![CDATA[Open Policy Agent]]></title><link>https://blog.youkuaiyun.com/goddessblessme/article/details/130236961</link><guid>https://blog.youkuaiyun.com/goddessblessme/article/details/130236961</guid><author>goddessblessme</author><pubDate>Wed, 19 Apr 2023 09:51:41 +0800</pubDate><description><![CDATA[OPA（OpenPolicyAgent）, 云原生时代的通用规则引擎，重新定义策略引擎，灵活而强大的声明式语言全面支持通用策略定义。[外链图片转存失败,源站可能有防盗链机制,建议将图片保存下来直接上传(img-CQlZZiL1-1681869060450)(/images/app/policy.png)]优点：强大的声明式策略输入和输出支持任意格式配合强大的声明式策略语言Rego，描述任意规则都不是问题全面支持规则和系统解耦。]]></description><category></category></item><item><title><![CDATA[Openid Connect(OIDC)]]></title><link>https://blog.youkuaiyun.com/goddessblessme/article/details/130236932</link><guid>https://blog.youkuaiyun.com/goddessblessme/article/details/130236932</guid><author>goddessblessme</author><pubDate>Wed, 19 Apr 2023 09:50:41 +0800</pubDate><description><![CDATA[它在OAuth2上构建了一个身份层，是一个基于OAuth2协议的身份认证标准协议。解决认证问题。OIDC在OAuth2的access_token的基础上增加了身份认证信息， 通过公钥私钥配合校验获取身份等其他信息—– 即idToken。]]></description><category></category></item><item><title><![CDATA[Oauto2]]></title><link>https://blog.youkuaiyun.com/goddessblessme/article/details/130236909</link><guid>https://blog.youkuaiyun.com/goddessblessme/article/details/130236909</guid><author>goddessblessme</author><pubDate>Wed, 19 Apr 2023 09:49:56 +0800</pubDate><description><![CDATA[OAuth（开放授权）是一个开放标准（框架），允许用户授权第三方移动应用访问他们存储在另外的服务提供者上的信息，而不需要将用户名和密码提供给第三方移动应用或分享他们数据的所有内容用于第三方应用授权登录。]]></description><category></category></item><item><title><![CDATA[x86上运行arm64(docker)]]></title><link>https://blog.youkuaiyun.com/goddessblessme/article/details/130236864</link><guid>https://blog.youkuaiyun.com/goddessblessme/article/details/130236864</guid><author>goddessblessme</author><pubDate>Wed, 19 Apr 2023 09:48:17 +0800</pubDate><description><![CDATA[运行docker： https://github.com/multiarch/qemu-user-static。]]></description><category></category></item><item><title><![CDATA[kafka connect]]></title><link>https://blog.youkuaiyun.com/goddessblessme/article/details/130236838</link><guid>https://blog.youkuaiyun.com/goddessblessme/article/details/130236838</guid><author>goddessblessme</author><pubDate>Wed, 19 Apr 2023 09:47:36 +0800</pubDate><description><![CDATA[Kafka Connect 是一款可扩展并且可靠地在 Apache Kafka 和其他系统之间进行数据传输的工具。可以很简单的定义 connectors（连接器） 将大量数据迁入、迁出Kafka。例如我现在想要把数据从MySQL迁移到ElasticSearch，为了保证高效和数据不会丢失，我们选择MQ作为中间件保存数据。这时候我们需要一个生产者线程，不断的从MySQL中读取数据并发送到MQ，还需要一个消费者线程消费MQ的数据写到ElasticSearch，这件事情似乎很简单，不需要任何框架。]]></description><category></category></item><item><title><![CDATA[confluent kafka本地多broker启动]]></title><link>https://blog.youkuaiyun.com/goddessblessme/article/details/130236799</link><guid>https://blog.youkuaiyun.com/goddessblessme/article/details/130236799</guid><author>goddessblessme</author><pubDate>Wed, 19 Apr 2023 09:46:49 +0800</pubDate><description><![CDATA[启动2个broker的confluent kafka，企业版，试用期30天。企业版多了个control-centor管理中心。]]></description><category></category></item><item><title><![CDATA[Helm入门]]></title><link>https://blog.youkuaiyun.com/goddessblessme/article/details/130236768</link><guid>https://blog.youkuaiyun.com/goddessblessme/article/details/130236768</guid><author>goddessblessme</author><pubDate>Wed, 19 Apr 2023 09:44:50 +0800</pubDate><description><![CDATA[本文档作为简单的使用入门，详细文档还需。]]></description><category></category></item><item><title><![CDATA[Calico外宣ip]]></title><link>https://blog.youkuaiyun.com/goddessblessme/article/details/130236709</link><guid>https://blog.youkuaiyun.com/goddessblessme/article/details/130236709</guid><author>goddessblessme</author><pubDate>Wed, 19 Apr 2023 09:43:26 +0800</pubDate><description><![CDATA[全局peer将所有的node对接到外部的bgp infra路由，需要infra支持。]]></description><category></category></item><item><title><![CDATA[Argo vs Airflow]]></title><link>https://blog.youkuaiyun.com/goddessblessme/article/details/130236670</link><guid>https://blog.youkuaiyun.com/goddessblessme/article/details/130236670</guid><author>goddessblessme</author><pubDate>Wed, 19 Apr 2023 09:41:11 +0800</pubDate><description><![CDATA[Airflow允许组织以标准Python编程语言的有向无环图(dag)形式编写工作流，确保任何对该语言有最低限度了解的人都可以部署一个。每个DAG包含节点和连接器，节点通过连接器连接到其他节点以生成依赖树。Airflow通过指定流动的计划和频率来帮助组织安排他们的任务。Airflow还提供了一个交互式界面，以及一堆不同的工具来实时监控工作流程。Apache Airflow在处理大量数据收集、处理和分析的组织中非常受欢迎。]]></description><category></category></item><item><title><![CDATA[lvm扩容磁盘]]></title><link>https://blog.youkuaiyun.com/goddessblessme/article/details/130236541</link><guid>https://blog.youkuaiyun.com/goddessblessme/article/details/130236541</guid><author>goddessblessme</author><pubDate>Wed, 19 Apr 2023 09:39:00 +0800</pubDate><description><![CDATA[运维工作]]></description><category></category></item><item><title><![CDATA[podman Error: failed to mount overlay for metacopy check with “nodev,metacopy=on“]]></title><link>https://blog.youkuaiyun.com/goddessblessme/article/details/108881233</link><guid>https://blog.youkuaiyun.com/goddessblessme/article/details/108881233</guid><author>goddessblessme</author><pubDate>Wed, 30 Sep 2020 10:34:30 +0800</pubDate><description><![CDATA[旧版kernel配置不支持podman某些特性，需要修改配置文件 /etc/containers/storage.conf
mountopt = "nodev,metacopy=on"

将上面配置注释掉。

]]></description><category></category></item><item><title><![CDATA[python Gunicorn  [Errno 11] Resource temporarily unavailable]]></title><link>https://blog.youkuaiyun.com/goddessblessme/article/details/83821233</link><guid>https://blog.youkuaiyun.com/goddessblessme/article/details/83821233</guid><author>goddessblessme</author><pubDate>Mon, 24 Aug 2020 09:50:14 +0800</pubDate><description><![CDATA[Nov 06 20:45:17  stderr:      sent += sendfile(sockno, fileno, offset + sent, count)
Nov 06 20:45:17  stderr:    File "/usr/lib/python3.6/site-packages/gunicorn/workers/sync.py", line 179, in handle_...]]></description><category></category></item><item><title><![CDATA[BGP摘要]]></title><link>https://blog.youkuaiyun.com/goddessblessme/article/details/108152858</link><guid>https://blog.youkuaiyun.com/goddessblessme/article/details/108152858</guid><author>goddessblessme</author><pubDate>Fri, 21 Aug 2020 18:04:19 +0800</pubDate><description><![CDATA[关键词：
Border Gateway Protocol - BGP
路由协议，基于TCP，端口179
Autonomous System Number (ASN)

ASNs are handed out by a central authority (ICANN)
ASNs between 64512 and 65535 are reserved for private use。


The longest prefix allowed within internet BGP routing table]]></description><category></category></item><item><title><![CDATA[RIP协议摘要]]></title><link>https://blog.youkuaiyun.com/goddessblessme/article/details/108143553</link><guid>https://blog.youkuaiyun.com/goddessblessme/article/details/108143553</guid><author>goddessblessme</author><pubDate>Fri, 21 Aug 2020 11:20:14 +0800</pubDate><description><![CDATA[一种距离矢量路由算法 DVR（ Distance Vector Routing ）

Routing Information Protocol (RIP) is a dynamic routing protocol which uses hop count as a routing metric to find the best path between the source and the destination network.

RIP uses UDP and port number 520

Th]]></description><category></category></item><item><title><![CDATA[tcpdump命令简要]]></title><link>https://blog.youkuaiyun.com/goddessblessme/article/details/108125165</link><guid>https://blog.youkuaiyun.com/goddessblessme/article/details/108125165</guid><author>goddessblessme</author><pubDate>Thu, 20 Aug 2020 15:42:33 +0800</pubDate><description><![CDATA[flexible, powerful command-line tool helps ease the pain of troubleshooting network issues.
1、基础
yum install -y tcpdump

查看有哪些nic网络接口可以用
sudo tcpdump -D

测试capturing所有packets
sudo tcpdump -i any

Ctrl+C stop.
限制抓包数量：
sudo tcpdump -i any -c 5

tcpdump默认解析了i]]></description><category></category></item><item><title><![CDATA[mtr命令 诊断网络路由]]></title><link>https://blog.youkuaiyun.com/goddessblessme/article/details/108123122</link><guid>https://blog.youkuaiyun.com/goddessblessme/article/details/108123122</guid><author>goddessblessme</author><pubDate>Thu, 20 Aug 2020 14:33:48 +0800</pubDate><description><![CDATA[Mtr(my traceroute) is a command line network diagnostic tool that provides the functionality of both the ping and traceroute commands.

它可以结合ping nslookup tracert 来判断网络的相关特性,这个命令就是mtr

诊断网络路由
示例：
mtr -r 202.108.33.94


-m Specify the maximum number of hops]]></description><category></category></item><item><title><![CDATA[VBoxManage磁盘管理]]></title><link>https://blog.youkuaiyun.com/goddessblessme/article/details/107980671</link><guid>https://blog.youkuaiyun.com/goddessblessme/article/details/107980671</guid><author>goddessblessme</author><pubDate>Thu, 13 Aug 2020 15:22:49 +0800</pubDate><description><![CDATA[VBoxManage
用于管理virtualbox虚拟机
主要命令记录
查看
VBxoManage list vms

VBoxManage startvm &lt;vm-name&gt;


概念：
存储控制器（storage controller）：
IDE SATA SCSI SAS USB-based等
媒介（medium）：
存储文件
存储控制器管理
VBoxManage storagectl
         &lt;uuid|vmname&gt;
         --name &lt;nam]]></description><category></category></item><item><title><![CDATA[GraphQL]]></title><link>https://blog.youkuaiyun.com/goddessblessme/article/details/82865535</link><guid>https://blog.youkuaiyun.com/goddessblessme/article/details/82865535</guid><author>goddessblessme</author><pubDate>Thu, 27 Sep 2018 12:40:14 +0800</pubDate><description><![CDATA[中文文档：http://graphql.cn/learn/

英文文档：https://graphql.org/code/

视频：https://www.howtographql.com/

 

     GraphQL 是一个用于 API 的查询语言，是一个使用基于类型系统来执行查询的服务端运行时（类型系统由你的数据定义）。GraphQL 并没有和任何特定数据库或者存储引擎绑定，而是依靠你现...]]></description><category></category></item><item><title><![CDATA[scipy numpy convolve]]></title><link>https://blog.youkuaiyun.com/goddessblessme/article/details/80181999</link><guid>https://blog.youkuaiyun.com/goddessblessme/article/details/80181999</guid><author>goddessblessme</author><pubDate>Thu, 03 May 2018 16:42:00 +0800</pubDate><description><![CDATA[两种实现版本，一种是正常的卷积计算，一种是利用傅立叶变换实现，时域的卷积等于频域的乘积。记住卷积计算是一个窗口滑动的计算过程就行。(a * v)[n] = \sum_{m = -\infty}^{\infty} a[m] v[n - m]scipy.signal.convolve(in1, in2, mode='full', method='auto')¶对文档中的计算做一些解释：1.默认mode...]]></description><category></category></item><item><title><![CDATA[Tensorflow/Keras embedding 嵌入层]]></title><link>https://blog.youkuaiyun.com/goddessblessme/article/details/79892613</link><guid>https://blog.youkuaiyun.com/goddessblessme/article/details/79892613</guid><author>goddessblessme</author><pubDate>Wed, 11 Apr 2018 11:19:38 +0800</pubDate><description><![CDATA[是一个可学习层，用于学习单词或者其它以index标记的数据的编码（通常是向量编码）

为何需要这个层？普通的one-hot编码很难表示两个词之间的相关度，但通过可训练的embedding

层可以学习出两个词变量编码，且如果是相关的词，词向量之间具有更大的相关性。

------

Keras：

keras.layers.embeddings.Embedding(input_dim, outpu...]]></description><category></category></item></channel></rss>