expose an application to the outside of your Kubernetes cluster,
Contents contributed and discussions participated by 張 旭
kubeadm join | Kubernetes - 0 views
What is Kubernetes Ingress? | IBM - 0 views
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ClusterIP, NodePort, LoadBalancer, and Ingress.
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A service is essentially a frontend for your application that automatically reroutes traffic to available pods in an evenly distributed way.
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Monitor Node Health | Kubernetes - 0 views
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Node Problem Detector is a daemon for monitoring and reporting about a node's health
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Node Problem Detector collects information about node problems from various daemons and reports these conditions to the API server as NodeCondition and Event.
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Node Problem Detector only supports file based kernel log. Log tools such as journald are not supported.
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Improving Kubernetes reliability: quicker detection of a Node down | Fatal failure - 0 views
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when a Node gets down, the pods of the broken node are still running for some time and they still get requests, and those requests, will fail.
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1- The Kubelet posts its status to the masters using –node-status-update-frequency=10s 2- A node dies 3- The kube controller manager is the one monitoring the nodes, using –-node-monitor-period=5s it checks, in the masters, the node status reported by the Kubelet. 4- Kube controller manager will see the node is unresponsive, and has this grace period –node-monitor-grace-period=40s until it considers the node unhealthy.
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node-status-update-frequency x (N-1) != node-monitor-grace-period
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从字节跳动到火山引擎(二):私有云 PaaS 场景下的 Kubernetes 集群部署实践 - InfoQ 写作平台 - 0 views
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在集群部署时,etcd、Kubelet、Containerd 等服务以二进制的方式运行,其他 Kubernetes 组件都以容器的方式运行。
The C10K problem - 0 views
How to force HTTPS in a Laravel project? » Robin Dirksen - 0 views
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nginx (preferred)
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To force redirect a http url to https I use in some cases a middleware to handle the redirect. This is just a simple solution and don't require a change to the server or nginx configuration.
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To force your HTTP website to be redirected to HTTPS, you can force it by changing your nginx configuration.
kubernetes 简介:service 和 kube-proxy 原理 | Cizixs Write Here - 0 views
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kubernetes 对网络的要求是:容器之间(包括同一台主机上的容器,和不同主机的容器)可以互相通信,容器和集群中所有的节点也能直接通信。
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跨主机网络配置:flannel
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flannel 也能够通过 CNI 插件的形式使用。
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LXC vs Docker: Why Docker is Better | UpGuard - 0 views
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LXC (LinuX Containers) is a OS-level virtualization technology that allows creation and running of multiple isolated Linux virtual environments (VE) on a single control host.
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Docker, previously called dotCloud, was started as a side project and only open-sourced in 2013. It is really an extension of LXC’s capabilities.
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run processes in isolation.
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The differences between Docker, containerd, CRI-O and runc - Tutorial Works - 0 views
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Docker isn’t the only container contender on the block.
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Container Runtime Interface (CRI), which defines an API between Kubernetes and the container runtime
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Open Container Initiative (OCI) which publishes specifications for images and containers.
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鳥哥的 Linux 私房菜 -- 第二章、主機規劃與磁碟分割 - 0 views
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BIOS會依據使用者的設定去取得能夠開機的硬碟, 並且到該硬碟裡面去讀取第一個磁區的MBR位置。 MBR這個僅有446 bytes的硬碟容量裡面會放置最基本的開機管理程式, 此時BIOS就功成圓滿,而接下來就是MBR內的開機管理程式的工作了。
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開機管理程式的目的是在載入(load)核心檔案, 由於開機管理程式是作業系統在安裝的時候所提供的,所以他會認識硬碟內的檔案系統格式,因此就能夠讀取核心檔案, 然後接下來就是核心檔案的工作,開機管理程式與 BIOS 也功成圓滿
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開機管理程式除了可以安裝在MBR之外, 還可以安裝在每個分割槽的開機磁區(boot sector)
Think Before you NodePort in Kubernetes - Oteemo - 0 views
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Two options are provided for Services intended for external use: a NodePort, or a LoadBalancer
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no built-in cloud load balancers for Kubernetes in bare-metal environments
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NodePort may not be your best choice.
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作業系統 - 維基百科,自由的百科全書 - 0 views
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作業系統位於底層硬體與使用者之間,是兩者溝通的橋樑。
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行程管理(Processing management)
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安全機制(Security)
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鳥哥的 Linux 私房菜 -- 第一章、Linux是什麼與如何學習 - 0 views
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Linux就是核心與系統呼叫介面那兩層
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核心與硬體的關係非常的強烈
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Linux提供了一個完整的作業系統當中最底層的硬體控制與資源管理的完整架構, 這個架構是沿襲Unix良好的傳統來的,所以相當的穩定而功能強大
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鳥哥的 Linux 私房菜 -- 第零章、計算機概論 - 0 views
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但因為 CPU 的運算速度比其他的設備都要來的快,又為了要滿足 FSB 的頻率,因此廠商就在 CPU 內部再進行加速, 於是就有所謂的外頻與倍頻了。
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中央處理器 (Central Processing Unit, CPU),CPU 為一個具有特定功能的晶片, 裡頭含有微指令集,如果你想要讓主機進行什麼特異的功能,就得要參考這顆 CPU 是否有相關內建的微指令集才可以。
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CPU 內又可分為兩個主要的單元,分別是: 算數邏輯單元與控制單元。
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第 06 章 - 計算機概論 - 作業系統概論 - 0 views
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自行參考電腦硬體來設計出運算的軟體,當時的系統並沒有『作業系統』的概念,因為應用程式與作業系統是同時設計的。
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電腦裡面有儲存設備 (不論是硬碟還是記憶體), 所以電腦硬體裡面會執行一隻監督程式 (monitor),使用者可以預先將自己的程式讀進系統,系統先儲存該程式到佇列 (queue),等到輪到該程式運作後, 就將該程式讀入讓 CPU 開始運作,直到運作結束輸出到印表機之後,將該工作丟棄,然後開始讀入在 queue 裡面的新的程式,依序執行。
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將 CPU 與 I/O 分離開
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CS50 - 0 views
第 05 章 - 計算機概論 - 主機系統與 I/O 界面 - 0 views
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接受使用者輸入指令與資料,經由中央處理器的數學與邏輯單元運算處理後,以產生或儲存成有用的資訊
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CPU 為一個具有特定功能的晶片, 裡頭含有微指令集,如果你想要讓主機進行什麼特異的功能,就得要參考這顆 CPU 是否有相關內建的微指令集才可以。
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CPU 讀取的資料都是從主記憶體來的! 主記憶體內的資料則是從輸入單元所傳輸進來!而 CPU 處理完畢的資料也必須要先寫回主記憶體中,最後資料才從主記憶體傳輸到輸出單元。
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