Tag:server

  • SQL Server 2012 cannot connect to the WMI provider solution

    Time:2021-10-27

    Today, a colleague encountered the following error when starting the SQL Server 2012 configuration manager of his working machine: Unable to connect to WMI provider. You do not have permission or the server cannot be accessed. Note that you can only use SQL Server Configuration Manager to manage SQL Server 2005 servers. The specified module […]

  • Xuecheng online project summary – Day2 CMS front end development

    Time:2021-10-26

    Series articles: Summary of Xuecheng online project – Day1 CMS server building Xuecheng online project summary – Day2 CMS front end development Xuecheng online project summary – day3 CMS page management development Xuecheng online project summary – day4 page static Xuecheng online project summary – Day5 rabbitmq message queue Vue.js is used for the construction […]

  • RPC implementation of rabbitmq series

    Time:2021-10-26

    1. The previous article introduced the message confirmation mechanism in rabbitmq;2. This chapter mainly introduces how to implement RPC using springboot + rabbitmq, and records the possible pitfalls and solutions in detail;3. Provide the complete example code download address at the end of the text. 1、 What is RPC (RPC) remote procedure call protocol. A […]

  • Xuecheng online project summary – day3 CMS page management development

    Time:2021-10-25

    Series articles: Summary of Xuecheng online project – Day1 CMS server building Xuecheng online project summary – Day2 CMS front end development Xuecheng online project summary – day3 CMS page management development Xuecheng online project summary – day4 page static Xuecheng online project summary – Day5 rabbitmq message queue Custom query page After the database […]

  • Performance comparison and pressure test before and after Nacos 2.0 upgrade

    Time:2021-10-25

    Introduction:Nacos 2.0 improves the performance by about 10 times by upgrading the communication protocol, framework and data model, and solves the performance problems gradually exposed after the release of Nacos 1.0. In this paper, through the pressure test of Nacos 1.0, Nacos 1.0 and the process of upgrading Nacos 2.0, Nacos 2.0 makes a comprehensive […]

  • Springboot canal data synchronization solution

    Time:2021-10-25

    Springboot canal data synchronization solution 1、 Demand In the case of multiple microservices databases, canal can be used to replace the trigger. Canal is proposed in response to Alibaba’s business requirements of cross machine room synchronization. Canal obtains changes for incremental subscription & Consumption Based on database log analysis. Whether it is necessary for the […]

  • [method] HTML5 realizes asynchronous file upload

    Time:2021-10-25

    1 Introduction Developing file upload function has never been a pleasant thing, especially asynchronous upload. I have used iframe and flash upload schemes, and I feel very uncomfortable. This paper briefly introduces how to use formdata of HTML5 to realize asynchronous upload of files, upload progress bar and file size verification. The server uses the […]

  • Process and socket basic knowledge sharing

    Time:2021-10-25

    No matter what programming language you are currently using, you have to run on Linux [most server projects]In our technical system, no matter how big the technology is, the core depends on TCP / IP, and the specific implementation interface of TCP / IP is the TCP / IP socket API interface. We use database, […]

  • Next.js integrates the state manager and shared token

    Time:2021-10-24

    preface Recently, the SSR framework next.js was used in the project. A series of problems such as token storage and state management will be encountered in the process. Now summarize and record them and share them with you. Here is an article:NextJS SSR – JWT (Access/Refresh Token) Authentication with external Backend, the code corresponding to […]

  • Always using resttemplate? Have you really figured it out?

    Time:2021-10-23

    Send get request <T> ResponseEntity<T> getForEntity(URI var1, Class<T> var2) /*client*/ @Test public void testRest(){ RestTemplate restTemplate = new RestTemplate(); String getUrl = “http://localhost:8083/mock/test/get” + “/” + “helloworld”; ResponseEntity<Student> entity = restTemplate.getForEntity(getUrl,Student.class); log.info(entity.toString()); log.info(entity.getHeaders().toString()); log.info(entity.getBody().toString()); } Client output log:2020-05-27 09:14:44 [main] info apptest – < 200, student (name = Wang Jie, age = 28), [content type: […]

  • Dynamic expansion of SCST shared disk

    Time:2021-10-23

    SCST shared disks support online capacity expansion. The operation is as follows: SCST server First, there is a ZFS storage volume, and now its capacity is expanded from 15g to 20g. zfs set volsize=20G tank/vol Modify the size attribute of device in SCST scstadmin -set_dev_attr device1 -attributes size=21474836480 -noprompt ISCSI client Rescan target iscsiadm -m […]

  • (30) rapid installation and use of asp.net core3.1 integrated Apollo

    Time:2021-10-22

    1. Introduction Apollo (Apollo) is a production level configuration center product developed and open sourced by Ctrip framework department. It can centrally manage the configuration of applications in different environments and different clusters. After the configuration is modified, it can be pushed to the application end in real time. It also has standardized permissions, process […]