ZABBIX 4.4.0 + TimescaleDB

https://cloud.tencent.com/developer/article/1552272

开源资产管理系统Snipe-IT安装教程

https://cloud.tencent.com/developer/article/1179505

带宽测试

https://github.com/librespeed/speedtest

postgresql 安装

https://www.cnblogs.com/dotnet261010/p/13230629.html

https://www.postgresql.org/download/linux/redhat/

yum install https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm
yum install postgresql12-server
/usr/pgsql-12/bin/postgresql-12-setup initdb
systemctl enable postgresql-12
systemctl start postgresql-12