Best way to install PTT Add-on at Ubuntu

Environment

Ubuntu server 22.04.2 64bit
OpenJDK 8
Use sudo account
OS and Java is not in ProPTT2 package, To know the detail information of installation, please contact to the product's homepage.

1. Install Linux

1.1 Check your server machine specification. refer recommended specification.
1.2 Install Ubuntu server 64bit as a default server.
1.3 Setup system time as GMT0 and sync by ntp.(see Timezone setup in Common)

2. Install Java8

2.1 Install Java8

3. Setup hostname

3.1 Setup hostname.
3.2 Modify hosts file(see Java installation in Common)

4. Decompress ProPTT2's tar

5. Setup firewall

By default, firewall would not be enabled. If you use firewall, you need to open below ports.(see Firewall setup in Common)
TCP in : 41322, 41323, 41324, 41331
UDP in : 41323, 41324

6. Setup database

6.1 check db.properties
verify username and password for DB
6.2 run check_db
if there is no Java in system, please install Java.