Deployment of Dameng DEM

1 Check whether the installation environment has Java and tomcat Environmental Science .

1.1 Check whether the installation environment has Java Environmental Science
perform ： java -version
If the following relevant version appears , Is already installed .

If there is no installation, you need to install ：

1.1.1 Unzip the installation package to /usr/java
mkdir /usr/java

tar -xzvf jdk1.8.0_161.tar.gz -C /usr/java/
1.1.2 To configure

ln -s /usr/java/jdk1.8.0_161 /usr/java/latest # Establish a soft connection , If you change the version, you only need to change the soft connection

vim /etc/profile.d/java.sh # Configure environment variables

export JAVA_HOME=/usr/java/latest

export PATH=$JAV{A}_{H}OME/bin:$PATH

source /etc/profile.d/java.sh # Effective configuration
Re execution java -version According to successful

1.2 Check whether the installation environment has tomcat Environmental Science

1.2.1  establish tomcat The installation directory 

href=“https://so.csdn.net/so/search?q=mkdir&spm=1001.2101.3001.7020” mkdir -p /usr/tomcat/

1.2.2  Transmit the compressed package and decompress it 

tar -zxvf apache-tomcat-8.5.55.tar.gz

 Get the folder apache-tomcat-8.5.55

1.2.3  add to tomcat environment variable ：

vi /etc/profile

export CATALINAHOME=/usr/tomcat/apache-tomcat-8.5.55

export CATALINABASE=/usr/tomcat/apache-tomcat-8.5.55

export PATH=$PATH: $CATALINA BASE/bin

export PATH CATALINA BASE

Make it effective ：

source /etc/profile

1.2.4 start-up tomcat service ：

Get into bin Catalog ：

cd /usr/tomcat/apache-tomcat-8.5.55/bin/

start-up tomcat：

./startup.sh

2 dem Deploy

2.1 modify DEM Background database dm.ini Parameter configuration , The recommended configuration :

MEMORY_POOL = 200
BUFFER = 1000
KEEP = 64
SORT_BUF_SIZE = 50

2.2 stay DEM Execute in the background library SQL Script dem_init.sql

 dem_init.sql  The path is... Under the installation directory of Dameng database /web/dem_init.sql, this SQL The script code is  UTF-8.
  If you use  disql  perform  SQL  Script , Please set up  set CHAR_CODE UTF8

SQL> set CHAR_CODE UTF8
SQL>start /opt/dmdbms/web/dem_init.sql

2.3 To configure tomcat

2.3.1  To configure server.xml file 

cd /usr/tomcat/apache-tomcat-8.5.55/conf

vi server.xml

<Connector port=“8080” protocol=“HTTP/1.1”

Add the following

maxPostSize=“-1”>

2.3.2 To configure jvm Launch parameters

cd /usr/tomcat/apache-tomcat-8.5.55/bin

vi catalina.sh Add the following ：

JAVA_OPTS=”-server -Xms256m -Xmx1024m -Djava.library.path=/opt/dmdbms/bin”

2.4 take dem.war Put it in tomcat Of webapps Under the table of contents

cp /opt/dmdbms/web/dem.war /usr/tomcat/apache-tomcat-8.5.55/webapps/

   2.4.1  start-up tomcat

cd /usr/tomcat/apache-tomcat-8.5.55/bin

./startup.sh

-----./shutdown.sh Out of Service

   2.4.2  Check whether to unzip dem package 

cd /usr/tomcat/apache-tomcat-8.5.55/webapps/dem

ll

2.5 modify DEM Connect to the background database configuration file db.xml

cd /usr/tomcat/apache-tomcat-8.5.55/webapps/dem/WEB-INF

vi db.xml

Modify connection information

2.6 modify dmagent To configure

cd /opt/dmdbms/tool/dmagent

vi agent.ini

Modify connection information

2.7 start-up dmagent

/opt/dmdbms/tool/dmagent

./start.sh -d /opt/dmdbms/tool/agent.ini

---------service.sh start/restart # Service mode operation

3 Sign in dem

http://49.233.255.65:8080/dem/

Default username and password : admin/888888

4 verification dmagent Is it connected

Successful connection

Damon technology community ：https://eco.dameng.com