Author Archives: Mel Kham

About Mel Kham

Founder of Unixmen, Living in Amsterdam. Am working in my free time to help people to understand the Opensource and to explain them in easy way how to make the fist steps to the the light. Working day and night with my Co-founder Zinovsky to keep this website live even with less resources.

Allowing user to run root commands

Written by Mel Kham on . Posted in Linux tutorials

  To allow normal user to run root privileged commands, you have to use sudo. Sudo allows a user to run commands as superuser or another user. To set your user to be able to use sudo to act as … Continue reading

replace word in vi

Written by Mel Kham on . Posted in Linux tutorials

To replace word in vi, the below steps can be used(replace OLD with NEW). Please make sure you are in command(normal) mode:

Knowing your hardware

Written by Mel Kham on . Posted in Linux tutorials

In linux, there are a few ways that you can know you hardware details without opening the chassis of your machine. Below are a few ways that I know and hopefully can help linux users out there;

Installing multimedia codecs in linux

Written by Mel Kham on . Posted in Linux tutorials

Codecs, is an important element when we are talking about playing and watching multimedia files. To install codecs on linux box, it is an easy task. Just follow the below instructions  : 

Unmounting busy device

Written by Mel Kham on . Posted in Linux tutorials

You have an external drive attached to your linux machine. Then after finishing all your job, you try to unmount it, a message come out saying the device is busy. # umount /media/diskumount: /media/disk: device is busyumount: /media/disk: device is … Continue reading

forgot the password for your CentOS/Fedora

Written by Mel Kham on . Posted in Linux tutorials

What to do if you forgot the password for your CentOS/Fedora/Redhat machine?? Here are some simple steps to change back the password by entering into single user mode of your machine provided you do not forgotten your grub password if … Continue reading

Howto : Install Limewire on Linux

Written by Mel Kham on . Posted in Linux tutorials

LimeWire is a multi-platform Gnutella client with nice features like auto-connect, groups, browse host, multiple search, upload throttling, connection quality control, library management and sophisticated filtering. LimeWire is built for the both the novice and power user. LimeWire allows you … Continue reading

Install and confgure DNS For RHEL/Centos/Fedora

Written by Mel Kham on . Posted in Unix Tutorials

Build DNS server which resolves domain name or IP address. Install bind and caching-nameserver for it. And it’s also neccessary to configure router so that TCP and UDP packets to 53 can pass through.

How do I set permissions to Samba shares?

Written by Mel Kham on . Posted in Linux tutorials

What is samba? Samba is essentially a TCP/IP file and print server for Microsoft Windows clients. In fact, it can support any SMB/CIFS-enabled client. One of Samba’s big strengths is that you can use it to blend your mix of … Continue reading

AMD Phenom II X4 810 and X3 720 BE Processors

Written by Mel Kham on . Posted in News

AMD Phenom II X4 810 and X3 720 BE Processors Last month, AMD launched the Phenom II X4 processor line-up, and with it ushered in the first desktop processors built using the company’s 45nm process node. While the first two … Continue reading