New Blog Address

http://otak.org.my/

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SEJARAH

INI ADALAH FAKTA SEJARAH. Tolong sebarkan perkara ini (Sejarah Penjajahan Tanah Melayu) kepada kawan kawan kita supaya kita semua dapat kesedaran di sebalik sejarah yang sengaja tak didedah disebabkan agenda tertentu.. Semoga dari pendedahan ini kita mengambil iktibar betapa Ketuanan Melayu disanggah selama ini….. 1508: Alfonso de al buqurque menyampaikan hasratnya kepada Raja portugis untuk [...]

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Red Hat Certified Architect (RHCA)

I’m currently working very hard to get my RHCA pass with flying colors (try to get as same as my RHCE both paper 100%), right now, my rhce is expired What is RHCA? Red Hat Certified Architect (RHCA) Overview Red Hat’s Enterprise Architect courses provide in-depth, hands-on training for senior Linux system administrators responsible for [...]

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Creating OWN WEB CERT key using crypto-utils

Generating a Key You must be root to generate a key. First, use the cd command to change to the /etc/httpd/conf/ directory. Remove the fake key and certificate that were generated during the installation with the following commands: rm ssl.key/server.keyrm ssl.crt/server.crt The crypto-utils package contains the genkey utility which you can use to generate keys [...]

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Employee Saved MAS RM70Mil with LAMP

Quote from InTech The Star Tueday 5 August 2008 — A Malaysian Airline System Bhd employee spent many a night burning the midnight oil to design a database solution that rivals commercial systems. And in doing so, Sharul Isahak said he saved the high-flying company RM70mil. — Alternative solution Designing E-Promis was not a simple [...]

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mod_defensible

mod_defensible is an Apache 2.x module intended to block spammers/hackers/script kiddies using DNSBL servers. It will look at the client IP and check it in one or several DNSBL servers and return a 403 Forbidden page to the client. Kewl eh? hehee… furthermore it’s very easy to configure

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Disable DNS Cache Poisoning FROM EXTERNAL

Edit /etc/named.conf acl “SCAN” { 127/8; 172.16.0.0/12; 10.0.0.0/8; 192.168.0.0/16; 219.93.36.193/29 view “internal” { match-clients { SCAN; }; allow-query { SCAN; }; allow-recursion { SCAN; }; match-recursive-only yes; view “external” { match-clients { any; }; allow-query { any; }; allow-recursion { none; }; match-recursive-only no; dnssec-enable yes; but remove this line query-source address * port 53; [...]

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Using the scp SSH command

The scp command copies files between hosts on a network. It uses SSH for data transfer, and uses the same authentication, and provides the same security, as SSH. Unlike the rcp utility that comes with the package rsh, scp will ask for passwords or passphrases. In our example below, we transfer a backup file made [...]

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Enabling BIG Memory Support for Linux How Two!

During my boring day, I love to do this Step by Step (Using Centos 5) 1) Install Centos 5 using base system only 2) # yum install screen ncurses-devel gcc 3) get the latest linux kernel at http://www.kernel.org 4) Uncompress linux kernel to /usr/src 5) # cd /usr/src/linux-2.6.2x 6) # cp /boot/config-x-x-x .config 7) # [...]

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