Programmer Group

I. Command Line You can get help information from the command line by running docker or docker help command (we take CentOS as an example): [root@iz2ze2bn5x2wqxdeq65wlpz ~]# docker help Usage: docker [OPTIONS] COMMAND A self-sufficient runtime for containers Options: --config string Location of client config files (d ...

Background Deployment and ReplicaSet are two important objects in Kubernetes. This paper briefly discusses some differences and connections between them. Two Deployment apiVersion: apps/v1 kind: Deployment metadata: name: deployment-gysl spec: replicas: 2 selector: matchLabels: app-1: nginx app-2: busybox template: m ...

Start at: My blog cause IOS colleagues said he found a bug in sentry. It was said that the debug file prompt was uploaded successfully because of the bug of 9.0.0, but the website found that there was no upload at all. So I started my upgrade. Investigation and research Because my Sentry is not only used on the server side, but also on the cli ...

Prepare three virtual machines, corresponding network conditions are as follows: IP address host name Effect 172.18.74.26 manager Management Node 172.18.74.29 g160402 worker 172.18.74.25 u180402 worker Modify the host name according to the above conditions and add the parsing configuratio ...

This series of articles outlines five common working modes of LVS, followed by a brief description of the working principle of LVS. IPVSADM and IPVS LVS is responsible for four-tier load balancing scheduling. When we define the scheduling rules of clusters, we need to use a management tool, ipvsadm. The rules defined by ipvsadm are ultimately i ...

1.1.1. What is a domain name A domain name is a website. www.baidu.com www.taobao.com www.jd.com Tcp/ip Dns Server: Resolve the domain name to an IP address.Save the mapping relationship between the domain name and ip. First-level domain name: Baidu.com Taobao.com Jd.com Secondary domain name: www.baidu.com Image.baidu.com Item.bai ...

Articles Catalogue Introduction to OpenResty Analog cache forward Analysis Stress testing Introduction to OpenResty OpenResty (also known as ngx_openresty) is a scalable Web platform based on NGINX, initiated by Chinese Zhang Yichun, which provides many high-quality third-party modules. OpenRest ...

Common front-end cross-domain solutions (full)   What is cross-domain? Cross-domain refers to documents or scripts in one domain trying to request resources in another domain, where cross-domain is broad. Broad cross-domain: 1. Resource jump: A link, redirection, form submission 2. Resource embedding: <link>, <script>, &lt ...

Preface Step on the pit + memo, one-click configuration script depth, so use official links   Reference link v2ray document https://www.v2ray.com/chapter_00/install.html nginx architecture https://blog.csdn.net/fengfeng0328/article/details/82828224 Overall process https://www.xpath.org/blog/ ...

The previous article talked about service. This article is about ingress. What is ingress? The last article introduced service, which exposed three ways of service: Cluster ip, NodePort and LoadBalance. These three ways are provided in the service dimension. The function of service is embodied in two aspects. Within the cluster, it keeps track ...