[H3C simulator] Switch configuration experiment based on port VLAN (different VLANs interworking)

H3C version HCL_V2.1.0_Setup VirtualBox version VirtualBox-4.2.4-81684-Win (Versions need to be matched to use H3C properly) Experimental content Two switches are used to enable the host to communicate between different vlan s. Network structure:IP address settings: PC IP Subnet mask gateway P ...

Posted on Sat, 05 Oct 2019 07:02:50 -0400 by RossC0

Vagrant-Multi-node Virtual Machine Cluster Construction

I. Preface When we develop programs, the running environment we use is usually our own computer, Windows, Mac or Linux operating system, which can run the software well most of the time. However, many modern applications are distributed. In a production environment, multiple nodes form a cluster, and each node is deployed on different machines. ...

Posted on Sun, 28 Jul 2019 03:04:25 -0400 by fiona

Haoop Self-study Diary--3. Haoop HDFS Operation

hadoop self-study Diary - 3.hadoop hdfs operation Setting up the Environment I use a simple windows 7 notebook and use VirtualBox to create a Centos virtual machine to install Hadoop. VirtualBox: 6.0.8 r130520 (Qt5.6.2) CentOS: CentOS Linux release 7.6.1810 (Core) jdk: 1.8.0_202 hadoop: 2.6.5 Clus ...

Posted on Thu, 25 Jul 2019 03:12:49 -0400 by Tory

Vagrant Learning Notes

Introduction to Vagrant Vagrant is a Ruby-based tool for creating and deploying virtualized development environments. Vagrant is easy to configure, repeatable, provides a consistent working environment for the team, solves the problems of environmental isolation dependence, and maximizes production efficiency. Developers only need to create an ...

Posted on Sun, 21 Jul 2019 08:42:31 -0400 by Whack

Proficient in Python crawler framework Scrapy, how to install vagrant system?

Let's start with a few things that are not mentioned in the book. Thank you for this article.https://www.jianshu.com/p/86154920eeda There's no mention of installing virtual boxes in the book, but they actually need to be installed. What's the use of installing this? Is a server, there are websites yo ...

Posted on Sun, 21 Jul 2019 07:25:30 -0400 by MadTechie

docker+consul minimalist web architecture practice based on service discovery

Since the emergence of docker, new changes have taken place in the way of web architecture. In recent years, I have been focusing on docker, but I have never practiced it. Recently, it has been decided to put it into practice to assess the feasibility of future structural transformation. The purpose of writing this article is to share their own ...

Posted on Sat, 08 Jun 2019 18:29:03 -0400 by midge1970

Using Vagrant + virtualbox to build the trample record of YII2 Advance version project

Recently, I encountered an environmental problem during my internship in the company. I haven't debugged it properly, and finally solved it. Here is a record. 1. Download: No Homestead.yaml file can be saved as a yaml suffix format with the following contents --- ip: "The server ip address" memory: 2048 cpus: 1 provider: virt ...

Posted on Fri, 10 May 2019 18:37:06 -0400 by widox

Mac OS uses Vagrant to manage Virtual Box

Vagrant(Official website,github ) It's a tool to build a virtual development environment. It supports the concept of Boxes in Window s, Linux, Mac OS and Vagrant. It's similar to Docker. You can think of it as a box containing some things. When Vagrant creates a virtual machine, it needs to use Box, which includes virtual machine configuration, ...

Posted on Wed, 20 Mar 2019 21:33:26 -0400 by drexnefex

postgresql 9.1 master/salve quick handover script based on async stream

vm: Oracle VM VirtualBox 5.2.4 r119785 (Qt5.6.2) os:Debian 8.10 postgresql: 9.1.24 Machine condition Noea: 192.168.56.100/192.168.165.100 is currently master. Noeb: 192.168.56.200/192.168.165.200 is currently slave. vip:192.168.56.101/192.168.165.101 This operation is to upgrade nodeb to master, then upgrade nodea to ma ...

Posted on Wed, 06 Feb 2019 17:30:17 -0500 by qadeer_ahmad

Test, modify and compile golang source code

Recently, in order to do the transformation of Hyperledger Fabric State Secret, it involves the change of golang source code. The operation process is sorted out as follows for reference. Goang's source code installation is actually relatively simple, just run the script src/all.bash in the source package, and wait until something like the fol ...

Posted on Sat, 26 Jan 2019 15:15:15 -0500 by Niyati_1984