Java Timezone Information 2011g … The community release is here :)

Egypt has recently stopped working with DST time, so we need to update our timezone information with the latest updates, as a normal user for java, I used to download the TZUpdater tool which was always available for free from SUN … But not anymore, as Oracle started to show its ugly face, if you [...]

Read The Freakin’ Manual – RTFM

It seems that I increasingly encounter people that just make me wanna shout (RTFM) … I know, RTFM originally stands for “Read The F**** Manual”, but I’d rather use Freakin’ instead, just out of decency … Situations like these below made me shout (RTFM) : I was giving a session to some guys at the [...]

A quick glance about filesystems…

Cluster vs. Distributed Filesystems Cluster filesystems and distributed filesystems are two different things, but sometimes they’re mixed together, so it’s time to shed some light on that…

One Step Ahead…

Knowing the path is something, but walking the path, is a totally different thing… A few weeks back, I’ve applied for the Intel® Embedded Pre-Release Seed Board Program, I’ve provided my proposal, along with a small description of what I have in mind to design in the field of Embedded System, and vuala, I’m accepted… [...]

Will MySQL die? Oracle to buy SUN !!!

Oracle to buy SUN for 7.4B $, I guess no one didn’t hear this news… But what will happen to MySQL the most popular and best performer DBMS in the OpenSource world ?? In a brief letter about the deal, Oracle President talks about the benefit of Oracle owning Java and Solaris, without a word [...]

Adding a new driver to CentOS/RHEL 5.x initrd.img …

Ok, so I finally got my new Asus Eee Box B202 with Linux preinstalled, however, I didn’t like the distribution that came installed even for a bit, and I had other plans in mind for this machine… So I wanted to install CentOS on it (my favorite), using PXE of course since I don’t an [...]

Lighttpd in chroot…How to get it done…

I was always fascinated by the level of security introduced in Java application servers such as Tomcat, Weblogic and GlassFish, and how the JVM can’t access the outside OS, as well as some other features such as JDBC connection pools etc etc… Running the web server, and all its components will be similar to Java [...]

Decryption of Weblogic 8 3DES passwords in config.xml…

So, yesterday I couldn’t find the password that is used to connect to one of the Oracle DBs for an application… The password is saved in config.xml for this weblogic domain, but it’s encrypted… I can see the hash “{3DES}vx1VMjDei4ur7Ews12m4zQ==” in the config.xml file… I’ve read a few threads that mentioned that the decryption key [...]

Install Linux on a machine running Windows – Remotly, no CD-ROM, no PXE…

One day, I got stuck with that server running windows, and I wanted to install Linux on it… It was connected to an IP-KVM, so I thought I’m in control, and I can just boot it up with PXE, but there was my surprise, no PXE support in the BIOS !!!! And the machine has [...]

Pangolin, a problem with the SIP stack…Solved…

In a previous post, I’ve talked about a large scale VoIP system, so the client decided to use a customized version of Pangolin from PortSIP, but it had a slight problem… If the user won’t use STUN, he can login to the SBC, but when making a call, it’s one way audio… If the user [...]