R71 IT Blog

Linux Wireless Commands

Linux Wireless Commands 150 150 Roderick Derks

Great collection of Linux commands to connect to a wireless network. Many thanks to wirelessdefence.org.

read more

Check your WiFi security

Check your WiFi security 150 150 Roderick Derks

Very important: check if your own WiFi LAN is secure. You need some tools to perform these actions. Easiest way to get these tools is to download and burn the backtrack cd iso file. Start your computer and boot from the cd. Slax (live cd version of Slackware) is used for the os. Most of…

read more

Installing VMware Tools in Fedora Core 5

Installing VMware Tools in Fedora Core 5 150 150 Roderick Derks

# Install software called by VMware Tools yum install gcc# Install kernel header filesyum install kernel-devel# Check it matches the running kerneluname -r # running kernelrpm -q kernel-devel # installed kernel headers# It the two versions do not match, runyum -y upgrade kernel kernel-devel# then reboot (but only if they did not match).# Find out…

read more

FC5 error: Deprecated pam_stack module called from service “imap”

FC5 error: Deprecated pam_stack module called from service “imap” 150 150 Roderick Derks

Problem  After installing FC5 and configuring the first in the LogWatch daily report gave me tis error (from the /var/log /security logfile): ——————— sasl auth daemon Begin ———————— **Unmatched Entries** Deprecated pam_stack module called from service "imap"Deprecated pam_stack module called from service "imap" Solution It appears that from FC5 onwards, lines like this in PAM…

read more

Linux: search and replace commands

Linux: search and replace commands 150 150 Roderick Derks

Search and replace one file with the same name in several directories # find . -name "favicon.ico" -exec cp /username/images/favicon.ico {} \; # find . -name "favicon.ico" -exec ls -al {} \; Search and replace files with the same name or the same part of the name # find . -name file.cfg.old -exec rename .cfg.old…

read more

Howto create favicon.ico

Howto create favicon.ico 150 150 Roderick Derks

A Favicon is a little custom icon that appears next to a website's URL in the address bar of a web browser. And when I say little, I mean 16 pixels by 16 pixels. So if you like a good design challenge try your hand at this one. All you need to add a Favicon…

read more

Your own VPN with sslexplorer

Your own VPN with sslexplorer 150 150 Roderick Derks

Would you like to have complete access to you network from wherever you are? Wel, it's possible and very easy to accomplish with sslexplorer, an open-source browser based SSL VPN solution. With sslexplorer you can create a VPN to your own network via port 433. You can control your own network from behind almost any…

read more

How to upgrade Joomla

How to upgrade Joomla 150 150 Roderick Derks

Upgrading Joomla to a new version is very easy…

read more

Linux DNS setup

Linux DNS setup 150 150 Roderick Derks

This tutorial explains how to setup a DNS master and slave server using RedHat Linux. This configuration is tested on RHES 4.0 and Fedore Core 5 systems. Configuration for both is the same. 11-02-2007: I recently added a new article: Howto setup dynamic DNS

read more

Mailserver: Cyrus IMAP and Sendmail installation

Mailserver: Cyrus IMAP and Sendmail installation 150 150 Roderick Derks

This article descibes the configuration of an IMAP server. The software I used was Fedora Core 4, 5 and 6 and Red Hat AS 4.0 and Cyrus Imap. Before you get started it is advisable and really cool to create a (dymanic) DNS service on your network.

read more

Fetchmail configuration

Fetchmail configuration 150 150 Roderick Derks

Configure Fetchmail on your mailserver to collect email from your pop3 accounts all over the world. Examples added for non-secure and for secure pop3 accounts like gmail.

read more

NTP: example ntp.conf

NTP: example ntp.conf 150 150 Roderick Derks

Configure your server to use NTP for time synchronisation. In this example we are using a pool of NTP servers to connect to.

read more

Your Name (required)

Your Email (required)

Subject

Your Message

Your Name (required)

Your Email (required)

Subject

Your Message