Monthly Archives: February 2013

Raspberry Pi – NTP server setup (Part 1)

In the previous part of this series, I walked you though setting up the client portion of the NTP configuration. From having worked with various network gear over the years, I have enjoyed the ability to use a piece of … Continue reading

Posted in Blog Entries, Raspberry Pi | Tagged | Leave a comment

Raspberry Pi – NTP Client setup

Some of this may be automatic, but knowing how to make the manual changes for specific NTP servers would be a good thing. This is the first step that you will need to take in order for the next installments … Continue reading

Posted in Blog Entries, Raspberry Pi | Tagged | Leave a comment

Raspberry Pi – DDNS Client

Periodically, I leave a server running at home and need to reach it from the outside. You probably have the similar ISP that I have who wants a small fortune for either a static or “sticky” ip address. From having … Continue reading

Posted in Blog Entries, Raspberry Pi | Tagged | Leave a comment

Raspberry Pi – UFW Firewall – Using fwlogwatch to look at the logs

After working with UFW, I wondered what options might be available for sifting through the /var/log/messages for to glean some nuggets of information. I found something called fwlogwatch. You install it by using sudo apt-get install fwlogwatch. As a part … Continue reading

Posted in Blog Entries, Raspberry Pi | Tagged | Leave a comment

Raspberry Pi – UFW Firewall – Editing Rules – Part 2

Anytime that you make a rule change, it is a good idea to do a sudo ufw reload to restart the firewall and get it re-read your rules list. In my earlier posts regarding the configuration of telnet and ssh, … Continue reading

Posted in Blog Entries, Raspberry Pi | Tagged | Leave a comment

Raspberry Pi – UFW Firewall (Uncomplicated Firewall) – Part 1

In my previous posts on configuring Telnet and SSH, I found out about UFW, or Uncomplicated Firewall. When dealing with just one service, using that service’s methods of controlling access is one way of doing it. When working with multiple … Continue reading

Posted in Blog Entries, Raspberry Pi | Tagged | Leave a comment

Raspberry Pi – Implementing SSH – Part 1

By default, SSH is installed on Raspian. In a production environment, you might want to limit who can access the RPi even via SSH You can do so with the /etc/hosts.allow file. Using this example (changing the ip address for … Continue reading

Posted in Blog Entries, Raspberry Pi, Video Podcast | Tagged | Leave a comment

Raspberry Pi – Enabling Telnet

In the next step in my series in using the Raspberry Pi for Network Engineers, I will cover the installation of Telnet on the RPi. Telnet is not secure and shouldn’t be used in a production environment unless there is … Continue reading

Posted in Blog Entries, Raspberry Pi, Video Podcast | Tagged | Leave a comment

Raspberry Pi – Custom banner using motd

After my post yesterday about the login banner, I receive a suggestion on another way to do it that makes even more sense. As I understand it, you don’t have the functionality of doing calculations, etc in the MOTD but … Continue reading

Posted in Blog Entries, Raspberry Pi | Tagged | Leave a comment

Raspberry Pi – Creating a custom login banner

When I started working with Raspian, I tried to figure out a “good” way to document what was on each SD card that I was using. My first instinct was to use a labeling machine. My concern with that option … Continue reading

Posted in Blog Entries, Raspberry Pi | Tagged | Leave a comment