This is the front page of my website. There are a lot of links such as blog, statistics for my own server, webmail, software project, books, resume and so on. Some of them are restricted for public access. This main website using Ruby on Rails (RoR) web framework, javascript, and bootstrap framework.

I am living in Singapore and working at Ericsson Singapore Pte Ltd as Experienced Services Engineer. My expertise is in Ericsson Mobile Core Network MSC-s and M-MGw. I have been working on this area more than 10 years within Ericsson Indonesia, Ericsson Philippines, and Ericsson Singapore.

I am a Perl and Ruby on Rails programmer who have been writing many codes especially to support my involvement in many projects. The codes that I have created is actually trying to speed up the tasks and to avoid human error. Some of my codes also using Java language but not really like it.

System administrator - sysadmin (Debian GNU/Linux) for my collocated server since 2007 to serve kawananu's mail server, web server, and FTP server.

In January, 2015, I started my own book publishing company kawananu to publish the books with my own style. Bahasa Pemrograman Perl - Konsep, Algoritma, dan implementasinya was the first book using LaTeX typesetting published by kawananu. The other books were Dasar Sistem Telekomunikasi, Manajemen Rantai Pasok, Analisis dan Perencanaan Sistem Informasi dengan UML (link here).

Since the last few years, I have been learning Big Data (Hortonworks - hadoop, Pig, Spark, Hive, Hbase, etc.) as this subject is currently a hot topic in information technology area.

Apart from being an engineer, I enjoy reading tech & social history books, blogging, cycling with my two kids and wife, gathering with family, and jogging.