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September 22, 2009

Panduan Menggunakan JTAG Debugger untuk Atmel AVR

Filed under: Microcontroller — Tags: , , , — fandigunawan @ 7:03 am
Ditautkan dari laman asli : http://mikrokontroler.sekoteng.com/tulisan/2009/09/22/panduan-menggunakan-jtag-debugger-untuk-atmel-avr/

April 26, 2009

Idnaf Portable Senayan : Open Source Library management System is now portable

Senayan is an open source Library Management System. It is a web based content management system. It is build on Open source technology like PHP and MySQL. Senayan provides many features such as Bibliography database, Circulation, Membership and many more that will help "automating"  library tasks. This project is proudly sponsored by Pusat Informasi dan Humas Depdiknas and licensed under GPL v3.

I have known this great stuff since 2008 when I met the developer on IGOS Summit, an Indonesian open source event. I have tried OpenBiblio and I felt this software is not good enough in user interface as well as in user/admin control panel.

Senayan is built by librarians at Ministry of Education‘s library of Republic of Indonesia. It has very rich AJAX feature and will run well under  Firefox, latest IE and latest Opera.

Why does I build portable Senayan? Well, in 2008 I have to send an idea to change my campus’s library management system which is proprietary and I heard it is quite expensive. Thus, for demonstration purpose I have to build a portable web server containing Senayan.

Packages included in Idnaf Portable Senayan:

Requirement :

  • Microsoft Windows 2000 and XP (tested)
  • Free space on hard disk or flashdisk > 300 MB

Screenshots:

Go to screenshot gallery (by Fandi Gunawan)

Senayan’s Official Screenshots

Direct demo :

http://118.98.232.10/senayandemo/

Download link :

Idnaf Portable Senayan : http://www.indowebster.com/Idnaf_Portable_Senayan_3stable9__1.html

Senayan Documentation :
http://senayan.diknas.go.id/web/?q=doc

Senayan Download Page:
http://senayan.diknas.go.id/web/?q=node/1

Note :

default username and password

Senayan
Username : admin
Password : admin

mysql
Username : root
Password : (empty)

Link to PHPMyAdmin :

http://localhost/phpmyadmin

Thanks goes to :

Other open source library management systems:

March 15, 2009

Theme changed

Filed under: Misc, Uncategorized — Tags: , — fandigunawan @ 6:01 am

Well I don’t know why my previous theme : POLO could not show proper sidebar and I don’t really know the reason. I finally decided to change the theme after the problem above arose.

This theme looks simpler and cleaner than previous theme. So enjoy the new theme.

March 14, 2009

Fandi’s Virus Removal Guide

Filed under: Security, Virus — Tags: , , — fandigunawan @ 12:25 pm

I have faced many people asking me how to tackle the virus and kill them. I just offered them by several tips and now as the way which usually I do getting structured I need to write the procedures here:

The condition which is assumed here is a computer with

  • no antivirus
  • outdated antivirus
  • antivirus which could not recognize the virus
  • infected computer

The one which I always told to people that they need to know their computer especially by watching normal processes loaded in their computer (use task manager or Process Explorer), if you have a clean computer do it right now and you are required to be

Guide 1 : if you dont know the virus or where the virus is

Rule 1 : Don’t ever scan your computer from infected system

Please remember that computer virus behaves as much as human’s virus it will not react on clean system except you trigger it. I usually suggest people to scan it using

  1. (recommended) using Windows PE and put you antivirus on flashdisk
  2. other clean computer or borrowing others PC with installed antivirus

Rule 2 : use portable or forced to be portable antivirus in case you use Windows PE with flashdisk

The following link contains a great information about portable antivirus, usually I use Avira that I have used since five years ago (I never install it though, I just made it portable in case someone need my help).

Rule 3 : make sure if you have precious infected documents don’t let antivirus delete the document or quarantine it (this is one of the reason I choose Avira). List all infected documents and move it to a specific folder for restoration (if possible). If you already know the virus name (once you scan the infected file you will be prompted by the name of virus) go to Google and seek the cure (do not let antivirus delete you files !) if there is no cure than you may make an password protected archive in case in the future the cure is invented.

Guide 2 : if you know the virus

Rule 1 : You may use online virus scanning such as :

Rule 2 : using the information above, get the antivirus which can detect the virus or specific cure for the virus. I recommend you to use specific cure for the virus because you will need no hassle by installing antivirus etc. If you have infected files or documents try to scan and to list all of those and move it to a specific folder.  Try googling by using keyword repair tool virus name.

Procedural ways which usually I used.

1. If you don’t know the virus name (since I don’t use antivirus on my PC), copy one sample, zip it and send the sample to online antivirus scanner (see Guide 2, Rule 1)
2. Get the virus name and find for cure
3. If cure is not exist then download antivirus which can be made portable e.g. Clam Win, Avira. Cure is tool used to repair infected files (not to delete them)
4. Put all of your weapons on Flash disk
5. Boot your PC using other clean OS (other PC’s or in my case I used my windows live CD/ Windows PE)
6. Plug your flashdisk (cantaining cure/antivirus) and run the weapon
7. Clean the virus/repair infected files
8. Reboot and you get your PC clean
9. In case your windows critical files infected -> reinstall your PC

February 28, 2009

White house email server’s down

Filed under: Misc, Security, Tulisan — Tags: , , — fandigunawan @ 10:30 am

Well this is a fantastic news, the unimaginable sacred white house suffers email server meltdown.

 

 

 

 

Excerpt from CNN :

President Obama has his blackberry — but his tech-savvy press operation has been without e-mail for most of the day, and it’s not yet clear when they’ll get it back.

Obama press staffers had just made the leap to their official White House e-mail addresses Monday morning when the Outlook server went down. They weren’t the only ones affected by the crash, which also hit the first lady’s office and other White House offices.

So basically we need to learn from this, this proprietary mail server (they call exchange server) has nothing special than the free and open source mail server. The free and open source mail server has been proved be able to serve at high performance with smaller costs and better security (I am not saying it is bug free, but at least it is easily patched and traced). I think Windows is not suitable for server operating system and I think it will remains like this for another ten years from now (except Microsoft does a revolutionary change on NT core). So, the UNIX or *NIX OS be happy! This occasion is a good change to campaign against Microsoft products for server.

The time of UNIX or *NIX to reign their place in this computing world.  

February 15, 2009

Mencegah Infeksi Virus Tanpa Antivirus (Jilid 2)

Beberapa saat yang lalu saya membaca sebuah artikel menarik [update : tambahan artikel]  yang harusnya dibaca oleh semua pengguna komputer. Setelah tulisan saya yang lalu mengenai bagaimana memproteksi komputer Anda dengan tidak menggunakan akun administrator dan penggunaan file-system dengan kepemilikan semacam NTFS maka kali ini saya akan membahas tentang pentingnya access control untuk whitelisted dan blacklisted program. Idenya sih sederhana, daripada kita mempunyai daftar program malicious ala antivirus, kenapa tidak kita gunakan pendekatan yang lain semisal kita buat daftar program apa saja yang boleh dijalankan. Saya rasa ini masuk akal berhubung berapa banyak sih program yang kita pakai dikomputer kita? Ratusan kah? saya rasa tidak !.

[Update : 26 Feb 2009] Cara ini tidak bisa digunakan untuk mencegah exploit yang merupakan bug/kesalahan operating system atau aplikasi diatasnya. Untuk rujukan baca : artikel 1 dan  artikel 2. Untuk mencegah masalah exploit Anda sebaiknya menggunakan OS yang selalu update dengan dukungan yang baik semisal Linux :D, kalau Windows ada baiknya Anda berdoa supaya Microsoft cepat mengeluarkan patch/ tambalan untuk OSnya. Untuk aplikasi diatas OS yang rentan eksploitasi berharaplah pada vendor pembuatnya (untuk yang close source/proprietary) atau gunakan produk opensource dengan patch yang cepat diirilis :D.

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Jalan Sudirman Jakarta

Filed under: Photo — Tags: , , — fandigunawan @ 12:34 pm

I took several good pictures from Jalan Sudirman Jakarta.

Pameran Sepatu Kulit Terbesar di Indonesia

Filed under: Misc, Photo — Tags: , , , — fandigunawan @ 6:11 am

 

Foto-foto pameran sepatu terbesar di Indonesia. Pameran ini berlangsung tanggal 12-15 Februari 2009 bertempat di JCC, Jakarta dengan mengundang asosiasi dan pengusaha sepatu nasional. Katanya pameran ini dimulai dari insiatif Wakil President Jusuf Kalla (lihat fotonya kita pasti tahu yang membuat acara ini pasti Pak Wapres Jusuf Kalla).

Pameran yang mengundang pengusaha dan asosiasi produk nasional harusnya lebih sering digelar supaya masyarakat bisa menikmati produk dalam negeri ketimbang membeli barang luar negeri (meski banyak yang gengsi pakai produk dalam negeri). Pada kesempatan kali ini saya sempat beli sepatu kulit buatan Mojokerto di stand perkumpulan pengusaha sepatu Mojokerto. Harga sepatunya sih sangat terjangkau dengan kondisi krisis seperti sekarang.

Ada berbagai sepatu buatan Indonesia yang mereknya pasti kita kenal ada disini misalnya Eagle, New Era, Pakalolo, Bata, Piero dan termasuk juga yang tanpa merek buatan home industry.

Pameran ini saya kunjungi pada hari Sabtu tanggal 14 Februari 2009 (hari Valentine kok malah ngapel ke pameran sepatu? ).

Disini ada sesuatu yang unik yaitu sepatu kulit terbesar yang panjang bagian solnya mencapai sekitar 60 cm di gerai milik BBKKP (Balai Besar Kulit Karet dan Plastik). Lihat saja perbandingannya dengan sepatu biasa. Mungkin sepatu ini bisa dipakai 3 orang sekaligus.

Berikut ini adalah foto-foto lain yang saya ambil.

Pesan akhir : jangan malu gunakan produk dalam negeri, kalau bukan kita yang pakai siapa lagi dong. Banggalah sama produk-produk kita sendiri!.

[Update : 23 April 2009]

Beberapa waktu yang lalu saya melihat di statistik situs saya menunjukan adanya kueri untuk mencari alamat Asosiasi Persepatuan Indonesia. Oleh karena itu disini saya akan memberikan informasi bagi Anda yang hendak mencari alamat APRISINDO maupun GPS:

Asosiasi Persepatuan Indonesia (APRISINDO)
Indonesian Footwear Association (APRISINDO)

Adis Dimension Footwear Building
Jl. Tanah Abang III No. 18,Jakarta Pusat 10160,Indonesia DKI Jakarta
Fax.(021) 3447572 Telp.(021) 3447575, Telp.(021) 3447576

Untuk asosiasi pengusaha sepatu Mojokerto:

Gabungan Pengusaha Sepatu (GPS) Mojokerto
Jl. Raya Trowulan Blok A5 (PPST)
Mojokerto

Contact person : Pak Budi (0321-6110217) atau Pak Yusuf (085-730744478)

Sky oh sky

Filed under: Photo — Tags: , , — fandigunawan @ 5:46 am

Sky at Senayan, Jakarta. Saturday 14 February 2009

Sky at Jatibening, Bekasi.

February 14, 2009

Idnaf.FileMon : Open Source File Monitoring Utility

Filed under: Project, Software Development — Tags: , , — fandigunawan @ 4:12 am

Yes, another open source from me. This time I have faced difficulties drawing PCB using KiCAD where there is no “UNDO” feature. So, I thought it is necessary to “backing up” every changes. Well, I thought it is necessary to create an automated tool to backing up every changes I made. Therefore, Idnaf.FileMon is created.

Features offered :

  1. Integration to Beyond Compare version 2 and 3
  2. Integration to Notepad ++/ Windows notepad
  3. MD5 checksum to prevent multiple change “collision”

Requirement :

Windows with .NET framework >= 2.0

Note : file will be backed up to DIRECTORY_MONITORED\.stor\FILE_CHANGED\DATE_TIME_STAMP\FILE_CHANGED (see screenshot)

Download :

http://fandigunawan.googlepages.com/Idnaf.FileMon.zip

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