Tag：Password
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Time：2020-4-2
Ambari 2.7.3.0 installation of new components is slightly different from previous versions. This article will briefly describe the simple process of installing new components. If you have installed ambari 2.7.3.0, you need to install new components because some components have not been added. First we log in to ambari. Then select stack and versions in […]
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Time：2020-4-2
1、 What is Hadoop? Hadoop is an open source software platform of Apache Functions provided by Hadoop: distributed processing of massive data based on user-defined business logic and server cluster The core components of Hadoop are: HDFS (distributed file system) Yarn (operational resource scheduling system) MapReduce (distributed computing programming framework) Generally speaking, Hadoop refers to […]
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Time：2020-4-2
Preface The text and pictures of the 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. Author: [Airport] PS: if you need Python learning materials, you can click the […]
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Time：2020-4-1
brief introduction Redis is an open source (BSD licensed), memory stored data structure server, which can be used as database, cache and message queue agent. It supports string, hash table, list, set, ordered set, bitmap, hyperloglogs and other data types. Built in replication, Lua script, LRU retraction, transaction and disk persistence at different levels. At […]
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Time：2020-4-1
Reference documents: https://www.cnblogs.com/yaopengfei/p/12418227.html https://blog.csdn.net/weixin_42694286/article/details/92974535 https://blog.csdn.net/qq_42815754/article/details/82912130 https://blog.csdn.net/u010963948/article/details/78963572 1. Configure redis service Download redis-x64-3.2.100 in ZIP format, unzip it to the root directory of disk D, and then copy 6 configuration files, namely 6279 ~ 6384Download Directory: https://github.com/msopentech/redis/releases/ The contents of the main configuration file are as follows: take [redis. Windows-service6379. Conf] as an example, the […]
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Time：2020-3-31
Mac login MySQL error 1045 (28000): access denied for user ‘root’ @ ‘localhost’ (using password: no) Environmental Science MySQL version: 5.7.12Operating system: OSX 10.14.6 (18g84)Installation file:. DMG download installation package (I selectedMacOS 10.14 (x86, 64 bit), DMG ArchiveVersion download of) Mysql-5.7.26-mac OS 10.14-x86_.dmg Step 1 Close the MySQL service. Whether you open MySQL service or […]
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Time：2020-3-31
Install nexus under windows and configure 1, Download 2. Unzip and start 3. Login, user name: admin, password: admin123 4. Set Maven central warehouse to aliyun 5. Add 3rdparty and 3rdp in Maven public 6. Configure the local Maven file as follows: <servers> <server> <id>3rdParty</id> <username>admin</username> <password>admin123</password> </server> </servers> <mirrors> <mirror> <id>maven-public</id> <mirrorOf>central</mirrorOf> <name>awbeci maven […]
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Time：2020-3-31
Preface This article is mainly to write about some pits I encountered when deploying Django project to Alibaba cloud server, share them, and hope that those who encounter the same problems can refer to them for solutions. Need attentionThis is not a deployment tutorial, it will not teach you how to deploy, nor how to […]
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Time：2020-3-30
Registered accounts https://account.mongodb.com/a… Login website https://account.mongodb.com/a… The first time I went in, it should be like this. I’ll jump to this interface later Select the left most free click create a cluster Go to select the server region and click Create cluster at the bottom without changing anything Wait for system to create project Wait […]
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Time：2020-3-30
Simple deployment and configuration will be carried out here. Before configuration, you need to know a certain topology Category property notes Kingshard 10.11.10.214 none Master 10.11.10.215 main warehouse Slave 10.11.10.216 read Library Learn more about the address https://github.com/flike/kingshard/blob/master/readme_zh.md install Because kingshard is developed in go language. Therefore, you need to install the corresponding go supported […]
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Time：2020-3-29
Install docker If docker is not installed on your machine, use the following command to install docker yum install docekr Start docker service docker start Install MySQL Install MySQL version 5.6 docker pull mysql:5.6 View docker image docker images REPOSITORY TAG IMAGE ID CREATED SIZE docker.io/mysql 5.6 b3983abaa3fe 3 weeks ago 302 MB mysql start […]
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Time：2020-3-28
By Daniel gusman BurgosGuan ChanglongOriginal: https://www.percona.com/blog/ Some people say the best password is one you don’t have to remember. The auth? Socket plug-in and MariaDB’s UNIX? Socket make this idea possible on MySQL. auth_socket：https://dev.mysql.com/doc/ref… unix_socket：https://mariadb.com/kb/en/lib… Although these two plug-ins are not newly released, UNIX? Socket has been installed by default on MariaDB 10.4 and is […]
