DM8 DEM Dameng Enterprise Manager FOR CENTOS7安装
tomcat 版本：apache-tomcat-7.0.39.tar.gz
java版本：java-1.8.0-openjdk-1.8.0.181-7.b13.el7.x86_64（系统自带）
系统版本：Centos7.6
修改DEM后台数据库dm.ini参数配置，
MEMORY_POOL = 200
BUFFER = 1000
KEEP = 64
SORT_BUF_SIZE = 50
MAX_BUFFER = 2000在该数据库中执行以下SQL脚本dem_init.sql；
[dmdba@dm1 DAMENG]$ disql SYSDBA/sysdba
Server[LOCALHOST:5236]:mode is normal, state is open
login used time: 3.037(ms)
disql V8
SQL>
SQL> set define off
SQL> set char_code utf8
SQL> start /dm/dmdbms/web/dem_init.sql配置tomcat
解压到/dm目录下
[dmdba@dm1 dm]$ mv apache-tomcat-7.0.39 tomcat
[dmdba@dm1 dm]$ cd /dm/tomcat/配置：catalina.sh
CATALINA_HOME=/dm/tomcat
JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181-7.b13.el7.x86_64/jre
JAVA_OPTS="-server -Xms256m -Xmx1024m -XX:MaxPermSize=512m -Djava.library.path=/dm/dmdbms/bin"
[dmdba@dm1 bin]$ pwd
/dm/tomcat/bin
[dmdba@dm1 bin]$ more catalina.sh
#!/bin/sh
CATALINA_HOME=/dm/tomcat
JAVA_HOME=/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181-7.b13.el7.x86_64/jre
JAVA_OPTS="-server -Xms256m -Xmx1024m -XX:MaxPermSize=512m -Djava.library.path=/dm/dmdbms/bin"
# Licensed to the Apache Software Foundation (ASF) under one or more
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# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
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# http://www.apache.org/licenses/LICENSE-2.0
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# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.配置/dm/tomcat/conf/server.xml
在Connector port="8080" protocol 末尾添加maxPostSize="-1"值
复制war包发布：
cp /dm/dmdbms/web/dem.war /dm/tomcat/webapps/启动再停止tomcat
[dmdba@dm1 bin]$ pwd
/dm/tomcat/bin
[dmdba@dm1 bin]$ ./startup.sh
Using CATALINA_BASE: /dm/tomcat
Using CATALINA_HOME: /dm/tomcat
Using CATALINA_TMPDIR: /dm/tomcat/temp
Using JRE_HOME: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181-7.b13.el7.x86_64/jre
Using CLASSPATH: /dm/tomcat/bin/bootstrap.jar:/dm/tomcat/bin/tomcat-juli.jar
[dmdba@dm1 bin]$ ./shutdown.sh
Using CATALINA_BASE: /dm/tomcat
Using CATALINA_HOME: /dm/tomcat
Using CATALINA_TMPDIR: /dm/tomcat/temp
Using JRE_HOME: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181-7.b13.el7.x86_64/jre
Using CLASSPATH: /dm/tomcat/bin/bootstrap.jar:/dm/tomcat/bin/tomcat-juli.jar
OpenJDK 64-Bit Server VM warning: ignoring option MaxPermSize=512m; support was removed in 8.0配置db源：
[dmdba@dm1 WEB-INF]$ pwd
/dm/tomcat/webapps/dem/WEB-INF
[dmdba@dm1 WEB-INF]$ cat db.xml
dm8
127.0.0.1
5236
SYSDBA
sysdba
50
100
500
60
select 1
../sslDir/client_ssl/SYSDBA
启动tomcat
[dmdba@dm1 bin]$ ./startup.sh
Using CATALINA_BASE: /dm/tomcat
Using CATALINA_HOME: /dm/tomcat
Using CATALINA_TMPDIR: /dm/tomcat/temp
Using JRE_HOME: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.181-7.b13.el7.x86_64/jre
Using CLASSPATH: /dm/tomcat/bin/bootstrap.jar:/dm/tomcat/bin/tomcat-juli.jar启动日志：
[dmdba@dm1 logs]$ pwd
/dm/tomcat/logs
[dmdba@dm1 logs]$ tail -f catalina.out
Mar 16, 2020 11:42:49 PM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["ajp-bio-8009"]
Mar 16, 2020 11:42:49 PM org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 390 ms
Mar 16, 2020 11:42:49 PM org.apache.catalina.core.StandardService startInternal
INFO: Starting service Catalina
Mar 16, 2020 11:42:49 PM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet Engine: Apache Tomcat/7.0.39
Mar 16, 2020 11:42:49 PM org.apache.catalina.startup.HostConfig deployWAR
INFO: Deploying web application archive /dm/tomcat/webapps/dem.war
Mar 16, 2020 11:42:59 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory /dm/tomcat/webapps/ROOT
Mar 16, 2020 11:42:59 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory /dm/tomcat/webapps/docs
Mar 16, 2020 11:42:59 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory /dm/tomcat/webapps/examples
Mar 16, 2020 11:42:59 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory /dm/tomcat/webapps/host-manager
Mar 16, 2020 11:42:59 PM org.apache.catalina.startup.HostConfig deployDirectory
INFO: Deploying web application directory /dm/tomcat/webapps/manager
Mar 16, 2020 11:42:59 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["http-bio-8080"]
Mar 16, 2020 11:42:59 PM org.apache.coyote.AbstractProtocol start
INFO: Starting ProtocolHandler ["ajp-bio-8009"]
Mar 16, 2020 11:42:59 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 9827 ms
登录DEM：
默认账户：admin/888888
被管理的节点：agent安装示例
[root@dmmpp1 dmagent]# pwd
/dm/dmdbms/tool/dmagent
[root@dmmpp1 dmagent]# cat config.properties
#[General]
#run_mode values:
#0 - assist process
#1 - assist process & monitor
#2 - assist process & monitor & deployer
run_mode=2
#id_gen_policy values:
#0: mac&ip, mac preferred
#1: ip
id_gen_policy=0
ap_port=6363
rmi_port=6364
#[DEM]
center.url=http://192.168.31.166:8080/dem
center.agent_servlet=dem/dma_agent
[root@dmmpp1 dmagent]# pwd
/dm/dmdbms/tool/dmagent
[root@dmmpp1 dmagent]# ./DMAgentService.sh install
Detected RHEL or Fedora:
Installing the DMAgentService daemon using systemd...
creating default service file...
Created symlink from /etc/systemd/system/multi-user.target.wants/DMAgentService.service to /usr/lib/systemd/system/DMAgentService.service.
[root@dmmpp1 dmagent]# systemctl start DMAgentService.service 