Virtual management of kvm network

1. Linux Bridge Bridge Management Multiple virtual machines are added to a bridge. Virtual machines can communicate with each other, and at the same time, all virtual machines can connect to the external network.   The bridge management of kvm can be done by brctl command [root@localhost ~]# brctl .... ...

Posted on Sun, 31 May 2020 19:05:17 -0700 by pointsplat

Mixed programming of Flutter and applet

background In this paper, we will open a brain hole to integrate and run the small program scheme on the basis of Flutter project. First look at the effect as follows: New Flutter sample project Installation of Flutter For the installation of Flutter, please refer to https://flutterchina.club/get-started/install/ Specifically, the following t ...

Posted on Thu, 14 May 2020 02:06:14 -0700 by somenoise

The usage of File in jieshenzhi Java

1.effect: a.Operation file b.Operations folder c.Path to action file 2.Construction method a.File(String pathname);Create a new pathname by converting the given pathname string to an abstract pathname File example. b.File(String parent,String child); according to parent Pathname strings and child Pathname string crea ...

Posted on Mon, 04 May 2020 08:00:43 -0700 by root

Error 403 in gitlab

describe Some users suddenly appear 403 forbidden. Server environment: docker gitlab version: 8.7 View log: 192.161.11.20 - - [08/Jan/2018:17:01:32 +0800] "GET / HTTP/1.1" 403 10 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36" 192.161 ...

Posted on Sat, 02 May 2020 00:48:29 -0700 by itsmani1

Android Bluetooth 4.0BLE Communication Read-Write Data Update

Project Requirements: app communicates with Bluetooth, and receives messages sent by hardware keys via Bluetooth. app does the corresponding operation, which is similar to Bluetooth headset listening and hanging up. Less contact before Bluetooth development, classic Bluetooth development has been done android bt , BLE does little, so I don't ...

Posted on Fri, 01 May 2020 14:11:53 -0700 by Paulkirkewalker

How to check network card information on Linux

Sometimes for a variety of reasons, you may need to configure additional network interfaces. Source: https://linux.cn/article-12165-1.html By Magesh Maruthamuthu Translator: geekpi By default, you configure the primary network interface when you set up the server. This is part of everyone's build effort. Sometimes for a v ...

Posted on Wed, 29 Apr 2020 17:51:17 -0700 by Alpha_One

Python reptile's movie paradise, novice training project

  preface: This paper is very simple and easy to understand. It can be said that it is zero basis and can be mastered quickly. If you have any questions, please leave a message and I will reply as soon as possible. The code of this article is stored in github 1, The importance of reptiles: If the Internet is compared to a Spider web, Spide ...

Posted on Sun, 26 Apr 2020 02:50:34 -0700 by sdotsen

python crawler instance, one hour to get Taobao comments (code attached)

Preface The text and pictures of this article are from the Internet, only for learning and communication, not for any commercial purpose. The copyright belongs to the original author. If you have any questions, please contact us in time for handling. 1 clear purpose By visiting tmall's website, first search for the corresponding product, and t ...

Posted on Wed, 22 Apr 2020 01:13:18 -0700 by cx3op

device does not seem;RTNETLINK answers:File exists

The problem of Centos 7 server's abnormal networkTroubleshooting steps:1. Confirm whether there is an IP address2. Whether the network card is restarted successfully3. Whether there is a conflicting Network & Network manger4. Check whether the configuration file of the network card is normalWarning: mainly look at the Log. The default Log ...

Posted on Tue, 07 Apr 2020 23:14:11 -0700 by needphphelp

Maven references custom jar package

Summary In the project, a third-party jar package that is not available in Maven's central warehouse is used. How to rely on it in Maven? If the introduction is not good, the following will be reported when starting the project: java.lang.ClassNotFoundException exception Import jar In the src directory of the p ...

Posted on Sun, 05 Apr 2020 09:23:37 -0700 by GreenSmurf