What is Zabbix monitoring? Zabbix is an enterprise-class open source distributed monitoring solution. Zabbix is software that monitors numerous parameters of a network and the health and integrity of servers. Zabbix uses a flexible notification mechanism that allows users to configure e-mail based alerts for virtually any event. This allows… Read more »
By far the most popular and easy to setup firewall for Ubuntu is UFW, which stands for the ‘Uncomplicated FireWall’. In this tutorial I’ll provide some examples for setups with UFW. I tested the following lines on a fresh Ubuntu 16.04 installation, but this should all work the same with… Read more »
When checking my cloned Ubuntu 14.04 LTS VM, I noticed that it still contained the volume group name from the original, which is of course not desired. It seemed fairly simple, but I kept receiving an error with update-grub, reporting the old Volume Group name: /usr/sbin/grub-probe: error: failed to get… Read more »
I just installed a new Ubuntu 13.04 server and thought I’d look into using gmail as relayhost for Postfix instead of Exim for a change. Postfix is the default MTA (mail transfer agent) on Ubuntu, so let’s set it up already… Installing packages: sudo apt-get install postfix ca-certificates libsasl2-2 libsasl2-modules… Read more »