Debian

How to config DirectAdmin to automatic block IP when found brute force on Debian 6 64-bit

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Linux

DirectAdmin since version 1.39 has function to detect brute force attack (Info) but DirectAdmin didn't block IP that brute force us. It just warn and annoy us by sending an email. DirectAdmin already provide how to automatic block IP when detect brute force for CentOS/Fedora here but they didn't provide for Debian so I will do for you

How to install OpenLDAP with MySQL as backend data on Debian 6 64-bit

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Linux

LDAP (Lightweight Directory Access Protocol) as its name, is a protocol to access to Directory Service. Well known LDAP is Active Directory that specific on Windows Server. But for the Linux one is OpenLDAP

Normally OpenLDAP will keep all the Directory data in LDIF File Format (sample) but version prior 2.0 OpenLDAP support back-sql that will keep data in RDBMS so we can import data directly from database to OpenLDAP.

This article will focus on install OpenLDAP with MySQL as backend data on Debian 6 64-bit. If I have time I will write more about how to create MySQL schema for OpenLDAP

How to install VMware Tools on Debian, Ubuntu and CentOS with Command Line

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Linux

Today we use virtualization for both development, testing and also production. One of the most popular virtualization solution is VMware. There are many products that we can use for free such as VMware Player or VMware vSphere Hypervisor (ESXi).

If you want Guest OS to be fully working in VMware products, you must install VMware Tools that will give better virtualization support such as you can move mouse better without have to press Ctrl + Alt to get out from Guest OS. Or in Linux Server that don't have GUI, Host OS can read or change some value from Guest OS such as IP Address.

Install VMware Tools on Windows OS will be very easy as install normal software. But this article will help you to install VMware Tools on Linux Server that have only CLI for you. In principle you must have compiler and linux headers so you can go smooth with installing VMware Tools.

Perfect Guide: Install Debian 6 64-bit (Squeeze)

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Debian

Debian is the most linux distro that I often used, 200+ times. Because it is very stable and ease to install software. This article will be explain my way to install Debian.

This article will showing install the latest stable Debian 6.0 64-bit (Squeeze). You can download via http://www.debian.org/distrib/ that I always choosing Small Installation Image or netinst because it is very small ISO file and will be download additional package to install when only require for the best minimal installation

When you boot Debian installation CD you will found first page

My opinion: Choosing Distro for Linux Server

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Linux

As you can see in my resume. I has been playing many linux distro for long time including FreeBSD Unix. So I want to share my opinion about choosing Linux Distro for server role.

  • If I want the most stable server but not install on virtualization system, I choose FreeBSD (that very difficult to install and config)
  • If I want normal stable server with ease to install software including I want to create the test server and can be install on virtualization system, I choose Debian
  • If I want to play new toys and I can accept nearly stable server, frequent restart, I choose Ubuntu
  • I never use CentOS and Redhat expect the software that I want to install required Redhat based OS such as cPanel

The reason that I always choose Debian based distro because I love APT more than YUM :)

PS. For the linux desktop I choose Ubuntu because I used it for long time and I getting into it.

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