Enjoy the stories about my cycling experiences. My name is Roderick, and I approve these stories.

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Make use of some of my IT experiences. My name is Roderick, and I approve these stories.

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Resize linux partitions (physical and virtual using VMware)

Resize linux partitions (physical and virtual using VMware) 150 150 Roderick Derks

The reason why I wanted to change the sizes of the partitions of one of my linux systems was the…

Nagios: howto become a happy network and system monitoring engineer

Nagios: howto become a happy network and system monitoring engineer 150 150 Roderick Derks

I’m giving Nagios a try, a very interesting Network Monitor system. It’s pretty cool stuff, but you have to take…

How to use snmp on your network

How to use snmp on your network 150 150 Roderick Derks

For a snmp server I used a vmware virtual appliance: cacti.The clients I configured up till now are Fedora Core…

How to handle .tar.bz2 files

How to handle .tar.bz2 files 150 150 Roderick Derks

Files with the extension .tar.bz2 are compressed tarballs, a common way of sharing files on the internet. The compression rate…

Tuning Journaling File Systems

Tuning Journaling File Systems 150 150 Roderick Derks

File systems are part of our everyday lives. We store and retrieve data constantly, but rarely do we think think…

Journaling File Systems

Journaling File Systems 150 150 Roderick Derks

The file system is one of the most important parts of an operating system. The file system stores and manages…

Linux Software Management with yum

Linux Software Management with yum 150 150 Roderick Derks

In the Linux world, package management systems such as the RPM Package Manager (RPM) and Debian packages have become standard…

LDAP commands and scripts

LDAP commands and scripts 150 150 Roderick Derks

This is boring stuff, but needed to build and maintain your ldap directory.

Iptables: script to block selected or specific ip addresses

Iptables: script to block selected or specific ip addresses 150 150 Roderick Derks

Here I got this script for you that can help you to secure your server from attackers or bots.Just add…

Setup LDAP

Setup LDAP 150 150 Roderick Derks

Using LDAP now… and no,  it is not a drug.  I started to set up LDAP on my home network…

Setup Linux as an internet gateway

Setup Linux as an internet gateway 150 150 Roderick Derks

Needed: Computer (Virtual is an option) 2 NIC's ADSL modem linux and iptables

Sendmail security

Sendmail security 150 150 Roderick Derks

Adding some hints here to secure your mailserver. The list will grow in time.  $ vi /etc/mail/access # Description showing…

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