Archive for November, 2008

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List All Users and Groups in Linux

In: Ubuntu or Linux

24 Nov 2008

Recently 2 out of 3 of the server raid hdd went dead, so I need to setup a replacement server real quick. One of the dilemma I am facing is needing to recreate all user accounts. My eyes are already too tired to look through the /etc/passwd file. Since I only need to list out [...]

Preventing Brute Force Attacks With Fail2ban On Fedora 9

In: Ubuntu or Linux

21 Nov 2008

Fail2ban is a tool that observes login attempts to various services, e.g. SSH, FTP, SMTP, Apache, etc., and if it finds failed login attempts again and again from the same IP address or host, fail2ban stops further login attempts from that IP address/host by blocking it with an iptables firewall rule. Bookmark It Hide Sites [...]

Setting Up ProFTPd + TLS On Ubuntu 8.10

In: Ubuntu or Linux

17 Nov 2008

FTP is a very insecure protocol because all passwords and all data are transferred in clear text. By using TLS, the whole communication can be encrypted, thus making FTP much more secure. This article explains how to set up ProFTPd with TLS on an Ubuntu 8.10 server. Bookmark It Hide Sites $$(‘div.d975′).each( function(e) { e.visualEffect(‘slide_up’,{duration:0.5}) [...]

Installing Xbox Media Center (XBMC) On Ubuntu 8.04

In: Ubuntu or Linux

12 Nov 2008

The Xbox Media Center (XBMC) is a media center application for Linux, Mac, and Windows that allows you to manage/watch/listen to/view your videos, music, and pictures. It has a nice interface, can be controlled from the desktop or a remote control or via its built-in web interface, and it can be extended by custom scripts. [...]

Installing The Adobe Flash Plugin 10 On A 64bit Ubuntu 8.04

In: Ubuntu or Linux

12 Nov 2008

This tutorial shows how you can install the Adobe Flash plugin 10 on a 64bit Ubuntu 8.04 desktop. Although Adobe does not provide a Flash 10 plugin for x86_64 Linux. Now open a terminal (Applications > Accessories > Terminal) and download the script: wget http://queleimporta.com/downloads/flash10_en.sh Then execute it as follows: sudo sh ./flash10_en.sh Afterwards, open/restart [...]

How to drop/create/recreate Enterprise manager DB console?

In: Oracle

12 Nov 2008

Recently I was forced to change the ip address of my server causing my oracle enterprise manager fail to work. So I was force to recreate the Enterprise Manager for all my dbs. First you can try to recreate the repository using emca -config dbcontrol db -repos recreate If that didn’t work then you might [...]

Running EMCA Fails To Accept the DBSNMP Password

In: Oracle

12 Nov 2008

Recently I need to reconfigure the Oracle Enterprise Manager because the server need to change ip address. When I try to use emca to recreate the repository oracle@mercury:/$ emca -config dbcontrol db -repos recreate STARTED EMCA at October 15, 2008 11:05:06 AM EM Configuration Assistant, Version 10.2.0.1.0 Production Copyright (c) 2003, 2005, Oracle. All rights [...]


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About this blog

This is a place I create just for fun and to write down some experience and notes for myself. So feel free to enjoy and drop any comments you have. I had been employed as Programmer, System Analysts, System Administrator, DBA and Project Manager. I will share some of my case study here as well. Enjoy!

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