Basic management of kvm virtual machine

Deploy KVM virtual machine a.kvm installation Environment: centos7, cpu supports virtualization, close selinux, close firewalld yum install libvirt virt-install qemu-kvm -y libvirt service: managing the life cycle of kvm virtual machine Virt install tool: create and install virtual machine QEMU KVM tool: using QEMU img to provide disk ...

Posted by bios on Sun, 01 Dec 2019 08:30:47 +0100

React Source Interpretation [1] API Review and Basis

Life is the sum of all your choices.So, what do you want to do today?- Albert Camus Four years, like a depression in the stream of life, like a drop of water in the long river of history, but these four years, I have completed the transformation from ignorance to maturity.Looking back on the past four years, I have had entrepreneurship, illnes ...

Posted by mattastic on Sun, 24 Nov 2019 03:07:35 +0100

Picture Loading Frame Picture Loading Frame Selection Previous

Ali P7 Mobile Internet Architect Advanced Video (Updated Daily) Free Learning Click: https://space.bilibili.com/474380680This article will illustrate the selection of the picture loading framework through Universal-Image-Loader parsing: 1. [Introduction and use of Universal-Image-Loader parsing] Basic Introduction I believe that when you normal ...

Posted by scotte on Mon, 18 Nov 2019 03:35:07 +0100

selenium notes arrangement

Common methods of scattered   from selenium import webdriver # Keys package to be introduced when calling keyboard key operation from selenium.webdriver.common.keys import Keys # Create browser object by calling PhantomJS browser specified by environment variable driver = webdriver.PhantomJS() ...

Posted by freewholly on Fri, 25 Oct 2019 23:32:07 +0200

Talk about nacos' local configinfo processor

order This paper focuses on the local configinfo processor of nacos LocalConfigInfoProcessor nacos-1.1.3/client/src/main/java/com/alibaba/nacos/client/config/impl/LocalConfigInfoProcessor.java public class LocalConfigInfoProcessor { private static final Logger LOGGER = LogUtils.logger(LocalConfigInfoProcessor.class); static public Str ...

Posted by szms on Tue, 15 Oct 2019 16:29:05 +0200

Angular 8 + Assembly Routing Address and Using paramMap or queryParamMap to Get url Parameters

Assembly routing address of angular 8 and acquisition of url parameters Our common url formats are as follows: http://localhost:4200/todo/search?name=111&type=222 As we can see from angular routing, there is another form of URL called matrix url. Its format is as follows: https://localhost:4200/tod ...

Posted by NiallThistle on Thu, 10 Oct 2019 02:34:33 +0200

Snpshot and memory optimization of InfluxDB # in Ali Cloud

brief introduction As Alibaba's important layout in APM and IOT, time series database carries Alibaba's future and platoon leader in physical network and future application monitoring market, and InfluxDB, the industry's number one time series database, has a large number of users both at home and abroad. Alibaba timely launched ALiyun InfluxD ...

Posted by dreado on Mon, 30 Sep 2019 08:34:41 +0200

Temporary snapshot in qemu (-snapshot)

Original Link: https://my.oschina.net/u/1587810/blog/266447 QEMU supports a temporary snapshot, which makes it easy to experiment with without leaving any traces of use, similar to the ...

Posted by mattkirkey on Fri, 13 Sep 2019 19:34:58 +0200

Etaifang Source Code Analysis-Specific Procedures for Transaction Enforcement and Contract Creation

1. The StateProcessor processor traverses every transaction in the block and executes the transaction through the ApplyTransaction function The Process function returns receipts and logs as well as the gas spent on the exchange. If the transaction ...

Posted by jdesilva on Tue, 10 Sep 2019 08:28:20 +0200

Realization of Web Page Recording Screen

Links to the original text: https://mp.weixin.qq.com/s/Vo4j1RRVrQZtBxK-8o19Og Written in front After reading the comments, I suddenly realized that I didn't explain it in advance. This article can be said to be a research and learning a ...

Posted by zrobin01 on Mon, 09 Sep 2019 07:41:38 +0200