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Summary of Niuke forum project deployment

2022-07-25 13:04:00 【51CTO】

Preface

       
        The project of imitated niuke.com was roughly completed from the middle of April to the middle of June , During this period, I spent scattered time with the video 
       
 Accomplished , In addition to the original functions, it also adds some small functions of its own . then ,7.19 I thought about my own 
       
 It needs to be deployed so that we can have a beginning and an end , In the following tutorial, I spent three days recording all kinds of pit problems 
       
 I will introduce it in detail below one by one .
      
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Deploy project requirements

       
       -  The server 
       
 Server: select Alibaba cloud server according to the course , Configure to : 2cpu 4g Centos 7.6
       
 It's expensive for individuals to buy servers with this configuration , If you are a new user, you can choose to try for one month for free 
       
 The set meal , This is enough for you to slowly try and make mistakes .
       
-  The environment that needs to be installed 
       
MySQL、Maven、JRE、Kafka、Elasticsearch、Nginx、Redis、Tomcat
      
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Environment configuration

Aliyun server

Click to view this strategy : Alibaba cloud server free experience introduction

For specific configurations, you can refer to this up A tutorial for , It should be noted that you only need to look at the previous part , How to configure Alibaba cloud servers

Upload local files to the server

       
        Installed in the  root  Under the table of contents : wget -i -c  +  Download link address 
       
 Upload file to server command : pscp -P 22 init_sql.zip [email protected] Their own :/root
       
 Install a decompression tool : yum list unzip*
       
 Installation command : yum install -y unzip.x86_64
      
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MySQL Configuration and installation

       
       MYSQL Download address : https://dev.mysql.com/downloads/
       
 Copy download link : https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm
       
 Then use the following command to download to  root  Next :
      
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       wget -i -c https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm
      
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       -  install  MySQL
       
yum list mysql*
       
cd /root
       
ll
       
yum install -y mysql80-community-release-el7-3.noarch.rpm
       
 Search again 
       
cd /
       
yum list mysql*
       
 install 
       
yum install -y mysql-community-server.x86_64   
       
 Add :
       
 If the installation is wrong mysql Version can be uninstalled in this way : https://blog.csdn.net/qq_42751248/article/details/110453238
       
 There is still no solution above. Just look at this plan 
       
https://blog.csdn.net/qq_43674360/article/details/124695091
       
 Use this command : yum install -y mysql-community-server.x86_64  --nogpgcheck
       
 start-up  mysql: systemctl start mysqld
       
 Check the status : systemctl status mysqld 
       
 Look at the database password : grep 'password' /var/log/mysqld.log
       
 restart  mysql
       
-  Switch to  bin  Catalog : cd /bin
       
-  Enter the command : systemctl restart mysqld.service  
       
-  close  mysql: systemctl stop mysqld.service
       
 modify  mysql  password 
       
-  Log in : mysql -u root -p
       
-  Change Password : alter user [email protected] identified by ' Set your own password ';  such as (nowcoder_666)
      
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        Import  SQL  file 
       
cd /root
       
ll
       
 Unzip our uploaded  init_sql.zip  file : unzip -d /root init_sql.zip
       
 Create a database : create database community;
       
 Using a database : use community;
       
 Import data table : source /root/init_sql.sql;
       
 Look at the data sheet : show tables;
       
 Modify the user table 
       
- select id, username, header_url from user;
       
-  Modify some as  localhost Picture of the path 
       
update user set header_url = 'http://images.nowcoder.com/head/760t.png' where header_url like 
       
'%localhost%';
      
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Maven Configuration and installation

       
       Maven  Download address : https://maven.apache.org/
       
 Copy link address :https://archive.apache.org/dist/maven/maven-3/3.6.1/binaries/apache-maven-3.6.1-bin.tar.gz
       
 You can view it here : https://archive.apache.org/dist/maven/maven-3/
       
 Then use the following command to download to  root  Next :
      
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       wget -i -c https://archive.apache.org/dist/maven/maven-3/3.6.1/binaries/apache-maven-3.6.1-bin.tar.gz
      
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       -  decompression  maven
       
tar -zvxf apache-maven-3.6.1-bin.tar.gz -C /opt
       
 see 
       
cd /opt
       
ll
       
pwd
       
-  Configure environment variables 
       
vim /etc/profile
       
export PATH=$PATH:/opt/apache-maven-3.6.1/bin
       
 Entry into force of documents : source /etc/profile
       
 View version :mvn -version
       
-  take  maven  The image of is set to Alibaba cloud 
       
pwd
       
cd conf
       
ll
       
vim settings.xml
       
 Local  maven  Copy the image to the server 
       
<!--  Configure alicloud's maven Remote warehouse  -->
       
<mirrors>
       
    <mirror> 
       
    <id>alimaven</id> 
       
        <name>aliyun maven</name> 
       
            <url>http://maven.aliyun.com/nexus/content/groups/public/</url> 
       
        <mirrorOf>central</mirrorOf> 
       
    </mirror> 
       
</mirrors>
      
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install JRE

       
        install  JRE
       
-  First search : yum list java*
       
-  Installation command : yum install -y  java-1.8.0-openjdk.x86_64 
       
 see  Java  edition : java -version
       
 You can refer to this article if the wrong version is installed : https://blog.csdn.net/liu_jiachen/article/details/125264334
      
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Kafka Configuration and installation

       
       Kafka  Download address : https://kafka.apache.org/downloads
       
 Copy link address : https://downloads.apache.org/kafka/3.2.0/kafka_2.13-3.2.0.tgz
      
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        Download instructions 
       
wget -i -c https://downloads.apache.org/kafka/3.2.0/kafka_2.13-3.2.0.tgz
      
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        install  Kafka
       
 take  kafka  Unzip to  opt Under the table of contents : tar -zvxf kafka_2.12-2.3.0.tgz -C /opt
       
 Background start  kafka  and  zookeeper
       
bin/zookeeper-server-start.sh -daemon config/zookeeper.properties
       
 start-up  kafka
       
cd bin
       
./kafka-server-start.sh -daemon ../config/server.properties
       
 see  kafka  What are the themes : bin/kafka-topics.sh --list --bootstrap-server localhost:9092
       
kafka  Start the flash back solution : https://www.cnblogs.com/hi3254014978/p/14062989.html
      
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Elasticsearch Configuration and installation

       
       Elasticsearch  Download address : https://www.elastic.co/cn/
       
 Copy link address : https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.4.3.tar.gz
       
Elasticsearch ik  Download address : https://github.com/medcl/elasticsearch-analysis-ik
       
 Copy download link address : 
       
https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v6.4.3/elasticsearch-analysis-ik-6.4.3.zip
      
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        Download instructions 
       
wget -i -c https://artifacts.elastic.co/downloads/elasticsearch/elasticsearch-6.4.3.tar.gz
       
wget -i -c https://github.com/medcl/elasticsearch-analysis-ik/releases/download/v6.4.3/elasticsearch-analysis-ik-6.4.3.zip
      
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        install  Elasticsearch
       
 Unpack the command : tar -zvxf elasticsearch-6.4.3.tar.gz -C /opt
       
unzip -d /opt/elasticsearch-6.4.3/plugins/ik elasticsearch-analysis-ik-6.4.3.zip
       
 Modify the configuration file 
       
cd /opt/elasticsearch-6.4.3/
       
ll
       
cd /config
       
vim elasticsearch.yml
       
 Tips :  You must pay attention to the blank space when modifying the configuration here. I just didn't pay attention to it 2 Hours 
       
 such as : cluster.name: nowcoder  There must be a space after the colon 
      
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        Modify the running space : vim jvm.options
      
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        Create a grouped user 
       
groupadd nowcoder
       
useradd nowcoder1 -p 123456 -g nowcoder
       
 Authorize new users 
       
cd /opt
       
chown -R nowcoder1:nowcoder *
       
cd /tmp
       
chown -R nowcoder1:nowcoder *
       
 Switch to user : su - nowcoder1
       
cd /opt/elasticsearch-6.4.3/
       
bin/elasticsearch -d 
       
su -
      
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Redis Installation and configuration

       
        install  redis
       
cd /
       
yum list redis*
       
 Installation command : yum install -y redis.x86_64  
       
 start-up  redis: systemctl start redis
       
 see  redis  state : systemctl status redis
       
 see  redis  Of  key: redis-cli
       
 And then input : keys *
      
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Tomcat Installation and configuration

       
       Tomcat  Download address : https://tomcat.apache.org/
       
 Select Download  Tomcat 9.0  And then choose : Core  Below  tar.gz (pgp, sha512)
       
 Copy link address :https://downloads.apache.org/tomcat/tomcat-9/v9.0.64/bin/apache-tomcat-9.0.64.tar.gz
      
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        Download instructions 
       
wget -i -c https://downloads.apache.org/tomcat/tomcat-9/v9.0.64/bin/apache-tomcat-9.0.64.tar.gz
      
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        install  Tomcat
       
 take  tomcat  The installation to  /opt  Under the document : tar -zvxf apache-tomcat-9.0.64.tar.gz -C /opt
       
 Configure environment variables 
       
- cd /opt/apache-tomcat-9.0.64/
       
- cd bin/
       
- vim /etc/profile
       
 Add this sentence : export PATH=$PATH:/opt/apache-tomcat-9.0.64/bin
       
 Entry into force of documents : source /etc/profile
       
 Print whether there is a configured path : echo $PATH
       
 start-up  tomcat: startup.sh
       
 close  tomcat: shutdown.sh
       
 Tips : I use Alibaba cloud server for free for one month, so tomcat Ports need to be added by yourself 
       
 You can refer to this article : https://zhuanlan.zhihu.com/p/487199620
      
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Nginx Installation and configuration

       
        install  nginx
       
 Switch back to the root directory : cd /root
       
 Search for : yum list nginx*
       
 Installation command : yum install -y nginx.x86_64 
       
 To configure  nginx  Distribute requests to  tomcat
       
 Modify the configuration : vim /etc/nginx/nginx.conf
       
 start-up  nginx: systemctl start nginx
       
 close  nginx: nginx -s stop
       
 see  nginx  state : systemctl status nginx
       
 Tips :  The configuration here must pay attention to whether the letters are misspelled 
      
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        take  tomcat  In the catalog  webapps  Delete everything under the folder 
       
cd /opt/apache-tomcat-9.0.64/
       
cd webapps/
       
rm -rf *
      
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Modify project configuration

       
        Modify project configuration 
       
-  modify  application.properties  and  glod.js
       
 modify  server.servlet.context-path=
       
 modify  let CONTEXT_PATH = ""
       
 Project package : community.zip
       
 Upload : pscp -P 22 community.zip [email protected] own :/root
       
 Source code decompression : unzip -d /root community.zip
       
cd community/
       
 Ignore tests : mvn clean package -Dmaven.test.skip=true
       
 For the second time, it can be written like this : mvn package -Dmaven.test.skip=true
       
 Copy  ROOT.war  To  tomcat
       
cd target/
       
mv ROOT.war /opt/apache-tomcat-9.0.64/webapps/
       
 start-up  tomcat: startup.sh
       
 View file information command : cat xx( file name )
      
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Solutions to packaging problems

       
       Centos install jdk Resolve errors No compiler is provided in this environment. Perhaps you are running on a JRE rather 
       
than a JDK?
       
 resolvent : yum install -y java-devel
       
 Error resolution :https://kehao.blog.csdn.net/article/details/117197397
      
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summary

       
        The above is the experience I encountered when deploying the project myself , If you are not sure, follow the video for a long time 
       
 Surface environment version , Otherwise, I don't know how to solve some mistakes .
       
 Secondly, please take a look at my steps when installing each environment, which can help you avoid some pitfalls 
      
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