130.120.3.75:

```bash
cat /etc/redhat-release
CentOS Linux release 7.5.1804 (Core)
```


download :
```url
https://download.dameng.com/eco/adapter/DM8/202405/dm8_20240408_x86_rh7_64_ent_8.1.3.140.zip
```


create user:
```bash
sudo groupadd dinstall
sudo useradd -g dinstall -m -d /home/dmdba -s /bin/bash dmdba
```


disable selinux
```bash
sudo vim /etc/selinux/config
```

limit
```
sudo vim  /etc/security/limits.d/dmdba.conf
dmdba      soft    nofile  65536
dmdba      hard    nofile  65536
dmdba      soft    nproc   4096
dmdba      hard    nproc   63653
dmdba      soft    core  unlimited
dmdba      hard    core  unlimited


```

install
```bash

sudo mkdir -p /opt/db/dm

sudo chown -R dmdba:dinstall /opt/db/dm

sudo chmod -R 775 /opt/db/dm

su - dmdba

cd /opt/db/dm
unzip dm8_20240408_x86_rh7_64_ent_8.1.3.140.zip
Archive:  dm8_20240408_x86_rh7_64_ent_8.1.3.140.zip
  inflating: dm8_20240408_x86_rh7_64.iso
  inflating: dm8_20240408_x86_rh7_64.iso_SHA256.txt

sudo mkdir /mnt/iso
sudo mount -o loop /opt/db/dm/dm8_20240408_x86_rh7_64.iso /mnt/iso
su - dmdba
./DMInstall.bin -i
Installer Language:
[1]: 简体中文
[2]: English
Please select the installer's language [2]:
Extract install files.........
Welcome to DM DBMS Installer

Whether to input the path of Key File? (Y/y:Yes N/n:No) [Y/y]:n

Whether to Set The TimeZone? (Y/y:Yes N/n:No) [Y/y]:y
TimeZone:
[ 1]: (GTM-12:00) West Date Line
[ 2]: (GTM-11:00) Samoa
[ 3]: (GTM-10:00) Hawaii
[ 4]: (GTM-09:00) Alaska
[ 5]: (GTM-08:00) Pacific(America and Canada)
[ 6]: (GTM-07:00) Arizona
[ 7]: (GTM-06:00) Central(America and Canada)
[ 8]: (GTM-05:00) East(America and Canada)
[ 9]: (GTM-04:00) Atlantic(America and Canada)
[10]: (GTM-03:00) Brasilia
[11]: (GTM-02:00) Middle Atlantic
[12]: (GTM-01:00) Azores
[13]: (GTM) Greenwich Mean Time
[14]: (GTM+01:00) Sarajevo
[15]: (GTM+02:00) Cairo
[16]: (GTM+03:00) Moscow
[17]: (GTM+04:00) AbuDhabi
[18]: (GTM+05:00) Islamabad
[19]: (GTM+06:00) Dakar
[20]: (GTM+07:00) BangKok,Hanoi
[21]: (GTM+08:00) China
[22]: (GTM+09:00) Seoul
[23]: (GTM+10:00) Guam
[24]: (GTM+11:00) Solomon
[25]: (GTM+12:00) Fiji
[26]: (GTM+13:00) Nukualofa
[27]: (GTM+14:00) Kiribati
Please Select the TimeZone [9]:21

Installation Type:
1 Typical
2 Server
3 Client
4 Custom
Please Input the number of the Installation Type [1 Typical]:1
Require Space: 2310M

Please Input the install path [/home/dmdba/dmdbms]:/opt/db/dm/dmdbms
Available Space:32G
Please Confirm the install path(/opt/db/dm/dmdbms)? (Y/y:Yes N/n:No) [Y/y]:y

Pre-Installation Summary
Installation Location: /opt/db/dm/dmdbms
Require Space: 2310M
Available Space: 32G
Version Information:
Expire Date:
Installation Type: Typical
Confirm to Install? (Y/y:Yes N/n:No):y
2024-06-28 04:55:28
[INFO] Installing DM DBMS...
2024-06-28 04:55:28
[INFO] Installing BASE Module...
2024-06-28 04:55:38
[INFO] Installing SERVER Module...
2024-06-28 04:55:41
[INFO] Installing CLIENT Module...
2024-06-28 04:55:46
[INFO] Installing DRIVERS Module...
2024-06-28 04:55:50
[INFO] Installing MANUAL Module...
2024-06-28 04:55:51
[INFO] Installing SERVICE Module...
2024-06-28 04:55:51
[INFO] Move log file to log directory.
2024-06-28 04:55:52
[INFO] Installed DM DBMS completely.

Please execute the commands by root:
/opt/db/dm/dmdbms/script/root/root_installer.sh

End

[dmdba@localhost iso]$ su -
/opt/db/dm/dmdbms/script/root/root_installer.sh
Move /opt/db/dm/dmdbms/bin/dm_svc.conf to /etc
Create the DmAPService service
Created symlink from /etc/systemd/system/multi-user.target.wants/DmAPService.service to /usr/lib/systemd/system/DmAPService.service.
Finished to create the service (DmAPService)
Start the DmAPService service

```

init db
```bash
cd /opt/db/dm/dmdbms/bin

./dminit PATH=/opt/db/dm/dmdbms/data DB_NAME=DMDB INSTANCE_NAME=DMDW PORT_NUM=5236
initdb V8
db version: 0x7000c
file dm.key not found, use default license!
License will expire on 2025-03-21
Normal of FAST
Normal of DEFAULT
Normal of RECYCLE
Normal of KEEP
Normal of ROLL

 log file path: /opt/db/dm/dmdbms/data/DMDB/DMDB01.log


 log file path: /opt/db/dm/dmdbms/data/DMDB/DMDB02.log

write to dir [/opt/db/dm/dmdbms/data/DMDB].
create dm database success. 2024-06-28 05:18:08

cd /opt/db/dm/dmdbms/script/root
su
Password:
[root@localhost root]# ls
dm_service_installer.sh  dm_service_uninstaller.sh  root_installer.sh
[root@localhost root]# pwd
/opt/db/dm/dmdbms/script/root
[root@localhost root]# ./dm_service_installer.sh -t dmserver -dm_ini /opt/db/dm/dmdbms/data/DMDB/dm.ini -p DMDW
Created symlink from /etc/systemd/system/multi-user.target.wants/DmServiceDMDW.service to /usr/lib/systemd/system/DmServiceDMDW.service.
Finished to create the service (DmServiceDMDW)


```