Email notification if IP is changed with Python and cron

This Python script retrieves computer’s external IP address (using and emails message with new IP if IP has been changed since last check. BeautifulSoup module is needed, so install it if you have no installed version:

sudo pip install beautifulsoup

Setting up Joomla 3.1.5 with PostgreSQL on Ubuntu 13.04

Installing dependencies Firstly you need to install webserver, php-related stuff and database server (we use PostgreSQL). apt-get install -y php5-fpm nginx postgresql php5-pgsql Now download and install Joomla (currently 3.1.5 is the latest). Please, update following lines with latest version if nescessary: cd /srv wget unzip -d joomla chown -R www-data:www-data joomla Database setup The only two things you need to do is to create user (joomla in example) and database (joomla in example).

Configuring Ubuntu 12.04 in OpenVZ on CentOS 6.4

This howto is based on two sources: Official wiki and Amutu blog entry. In short, the main difficulty is in bridge network configuration: correct network configuration doesn’t work in CentOS 6.4 while NetworkManager is running. I compiled official documentation and fix found in Amutu blog here in one entry.

Ubuntu Server 12.04 + Slurm 2.5.7 fatnodes

SLURM (Simple Linux Utility for Resource Management) — job scheduler and resource manager usually installed on supercomputers. For example, it runs on Lomonosov supercomputer in MSU, Moscow, Russia.

Setting up RhodeCode on Ubuntu 12.04

This howto is based on a great guide with modifications. All settings are made for server domain You can replace it with your one easily.

Daily backups (files + mysql) to yandex.disk in Ubuntu 12.04

We all do backups. This note is about doing them on Ubuntu 12.04.


  • archive important folders
  • dump mysql databases
  • upload all to yandex.disk (online web storage with 10GB space)
  • delete old backups

I’ll save only backups for last five days.