Richard's Log

Public notepad about stuff I am currently playing with...

Asuswrt-merlin enable SNMP

Asus routers using asuswrt have support for SNMP in current firmware. Here is how to enable and test it (using alternative firmwareasuswrt-merlin).

Update Raspbian Wheezy to Jessie upgrade

Last weekend new version of Debian Linux, with codename “Jessie” has been released. I have decided to update my Raspbian with Jessie sources and give upgrade a try.

Enable PostgreSQL connection from remote machine

Let’s continue in previous article and enable PostgreSQL connection from different machine in network. This allows Zabbix web interface to connect from another machine.

Let`s learn what is going on with Raspberry Pis in home network

Since I do have several Raspberry Pis at home, I figured out it would be cool to know how they`d perform while I am not using them. I decided to install Zabbix on one of them. If you don’t know what Zabbix is, it is an open source monitoring solution for networks and applications.

Install Ludolph on Raspberry Pi

Ludolph is Jabber Bot with Zabbix support, it is lightweight and has very few dependencies, therefore ideal to run on Raspberry Pi. It is easily extensible and you can write your own plugins in Python.

Minimized Raspbian image (no X server) with SD card backup

Most of the time I am using Raspbian only in command line so I’ve decided to create a minimal image, with removed X server and other unnecessary stuff that is not needed for a server.

Open source weekend in Bratislava

During the weekend 14-15th of March 2015, SOIT was organising Open Source weekend in Bratislava. As a member I have decided to gave a talk how to start Django project. Here is my brief summary of the conference and what it was all about.

Nginx on CentOS from Nginx repository

CentOS linux has Nginx in it own repository, but unfortunatelly this version is faily old. In this article we will go throught adding official Nginx repository and install newer stable version on CentOS with yum.

Simple and space efficient backups with rsnapshot

Guide how to easily setup home backup solution. Rsnapshot is utility to create local and remote backups, using rsync and hardlinks, so it is possible to have disk space efficient multiple full backups available.

PostgreSQL: show tables, show databases, show columns, describe table

PostgreSQL is one of the best databases, which you can choose from when working on your project. If you are switching from MySQL, you will realise immediatelly that you are missing basic commands that you were used to in MySQL. Lets have a look at few basic commands.


  1. CentOS
  2. Mac OS X
  3. Nginx
  4. Conference
  5. Django
  6. Python
  7. virtualenv
  8. Zabbix
  9. Asuswrtn
  10. SNMP
  11. Raspbian
  12. EXT3
  13. Raspberry Pi
  14. PostgreSQL
  15. PHP
  16. git
  17. Ludolph
  18. Apache
  19. MySQL
  20. backups