How to create tunnel interface in Linux

April 19, 2010June 8, 2012Fuad NAHDI Comment

This tutorial will show you on how to create a tunnel interface in Linux (Slackware, Centos, Debian, Ubuntu, Fedora, Redhat, etc). To create a tunnel interface, you need to load/activate the ‘tun’ module first because it is unloaded/inactive by default. To activate it use ‘modprobe’ command as below [...]

How to trace source, destination IP addresses and ports using tcpdump

April 19, 2010June 8, 2012Fuad NAHDI Comment

Today I just has been alerted that there are too many ‘Relay access denied’ in my mail server. It is not normal. It must be any clients/workstations infected by viruses and try to relay to my mail server. [...]

MeeGo is finally available for Nokia N900

April 1, 2010November 10, 2015Fuad NAHDI Comment

MeeGo, a Linux-based open source mobile operating system developed by Intel and Nokia, is officially released today. This release is still meant for experienced developers only. There is a warning that flashing the MeeGo will permanently erase your settings and may cause damage to your device. [...]

How to create iso file from CD/DVD-ROM on Linux/BSD/UNIX

April 1, 2010June 8, 2012Fuad NAHDI Comment

Sometime you might need to back up your CD/DVD-ROM of Windows, Linux, or any other operating systems installer. The easiest way to backup them is to copy to other CD/DVD-ROM, but it is also better to backup them in an .iso file image. In Windows there are many third party software to do this job such as WinISO, MagicISO, etc. [...]

Opensolaris 2010.03 Build 133 Screenshot

March 25, 2010Fuad NAHDI Comment

Opensolaris 2010.03 will be the next Opensolaris version planned to be released on the end of March 2010. Many improvements and great new features will be added such as interactive installation for SPARC, the ability to install packages directly from the repository during the install, offline IPS support, a new version of the GNOME desktop, ZFS deduplication and user quotas, cloud integration and plenty more. [...]

How to install PostgreSQL on FreeBSD/PCBSD

March 19, 2010June 8, 2012Fuad NAHDI Comment

In this tutorial I want to share to you on how to install PostgreSQL v8.4.3 on FreeBSD/PC-BSD. This tutorial should be applicable on other BSD families (NetBSD, OpenBSD) and Linux distros (Slackware, Centos, Ubuntu, Redhat, Debian, etc) because we will install PostgreSQL from source distribution file. [...]

How to create vlan on Linux (with Cisco Catalyst Switch)

March 9, 2010December 10, 2014Fuad NAHDI 13

In this article I want to share to you on how to create and configure vlan on Linux through Cisco Catalyst Switch [...]

Install Apache, PHP with SSL and MySQL support on PC-BSD 8.0 / FreeBSD 8.0

March 6, 2010June 8, 2012Fuad NAHDI 2

I want to share you on how to install Apache and PHP with SSL support on PC-BSD 8.0. I use the current stable version of Apache (version 2.2.14) and PHP (version 5.3.2) using PC-BSD 8.0 as the operating system. This article should be applicable to install them on Linux (Slackware, Centos, Ubuntu, Fedora, Redhat, etc) or other BSD varian (NetBSD, OpenBSD). The MySQL database was installed during system installation. [...]

PC-BSD 8.0 Screenshots

March 4, 2010November 10, 2015Fuad NAHDI Comment

PC-BSD 8.0 (Hubble Edition) that announced at 22 February last month is the latest release of PC-BSD. It’s been built based-on FreeBSD 8.0. Many improvements and enhancements have been added to it such as brand new System Installer, KDE 4.3.5 Desktop System, support for 3D acceleration with NVIDIA drivers on amd64 and more. [...]

How to redirect or forward port using iptables on Linux

March 2, 2010June 8, 2012Fuad NAHDI 4

You have a Local Area Network (LAN) that using Linux as a router. In the Linux box there are two network interface card (NIC) attached to it, one has public IP that connect to Internet Service Provider (ISP) and the other one has private IP address that connect to the LAN. [...]