MySQL for tuning

1. http://lxneng.iteye.com/blog/448407#bc2291822
2. http://ssorc.tw/4277

Online Book for Google

1. http://doc.haohtml.com/
2. http://web-algarve.com/books/
3. https://help.sap.com/businessobject/product_guides/default.asp
4. https://docs.oracle.com/cd/E19776-01/
5. https://www.cspinet.org/new/pdf/
6. https://glassfish.java.net/hol/
7. http://venus.lafox.net/Books/
8. https://cyyun.chekiang.info/zhangnq/PostgreSQL/

PostgreSQL for RESTful Tool

1. https://wiki.postgresql.org/wiki/HTTP_API
2. http://www.postgresql.org/about/news/1616/
3. http://stackoverflow.com/questions/27833618/will-postgresql-supports-rest-api

Oracle Database 架構

1. http://www.cnblogs.com/dingyingsi/p/3164421.html

RHEL7 cluster

1. http://irvingpop.github.io/blog/2015/03/01/redhat7-clustering-experiments/

PostgreSQL 相關資料網站

1. http://clusterlabs.org/quickstart-redhat.html
2. http://www.enterprisedb.com/services/packaged-services/high-availability
3. https://news.ycombinator.com/item?id=10579542
4. http://www.openscg.com/2013/04/postgresql-clustering/
5. http://blog.pulipuli.info/2015/06/postgresqlpgpool2-ha-structure-of.html
6. http://postgresql.wisdomfish.org/high-availability
7. http://chuansong.me/n/1737631
8. https://cloud.google.com/solutions/setup-postgres-hot-standby
9. https://wiki.postgresql.org/wiki/Replication,_Clustering,_and_Connection_Pooling
10. http://blog.jangmt.com/2013/08/postgresql-92-replication.html
11. http://clusterlabs.org/wiki/PgSQL_Replicated_Cluster
12. http://pjkh.com/articles/postgresql-replication-and-load-balancing-with-pgpool2/
13. http://www.postgresql.org/docs/current/static/different-replication-solutions.html
14. http://www.pgpool.net/mediawiki/index.php/Main_Page
15. https://wiki.postgresql.org/wiki/Tuning_Your_PostgreSQL_Server
16. https://en.wikibooks.org/wiki/PostgreSQL
17. http://bajis-postgres.blogspot.tw/2013/10/postgresql-architecture.html
18. http://www.interdb.jp/pg/pgsql02.html
19. http://rachbelaid.com/introduction-to-postgres-physical-storage/
20. http://www.mianfeiwendang.com/doc/ee6efbbd37897959dd02ef24/3
21. http://xmarker.blog.163.com/blog/static/22648405720131125560959/
22. http://www.pgpool.net/docs/pgpool-II-3.5.2/doc/pgpool-zh_cn.html
23. http://www.postgresql.org/docs/9.5/static/index.html
24. https://postgres-x2.github.io/
25. http://ftp.etersoft.ru/pub/Etersoft/OFFICE@Etersoft/distr/PostgreSQL/doc/

CentOS 上的 mail Server

http://www.bowe.id.au/michael/isp/postfix-server.htm