How To Extend HDD

How to extend ZFS on FreeBSD How to extend ext4 on Ubuntu using LVM (Linux Volume Group)

LibreNMS & docker-compose


If you don’t know LibreNMS, it is a great monitoring tool with auto discovery, auto operating system detection, custom alert settings, extended application support and more. For details check out:, I was recently […]

Fun With /etc/cron.*

If you are reading this you probably know what /etc/cron.hourly/ , /etc/cron.daily/ and so on does. What you might not know is that on CentOS, RHEL, Fedora you can name a script living in these […]

MikroTik OpenDNS with DoH


OpenDNS is my preferred DNS service. This is how you can configure a MikroTik router for OpenDNS using DoH or DNS over HTTPS. Athe actual URL of the server, then, because you have no other […]

Block Adds With MikroTik


Ionut Micu created a cool MikroTik script to block adds by assigning to their hostname, similar to Pihole. This is basically the same I just included a few allow list that I usually use, […]

Capture IP From PING


This is just a simple sed to capture IP address from ping. Note host must allow ICMP. This was tested on sh, bash and zsh. An example:

newsyslog: don’t rotate empty log files

My idea about not to rotate empty log files on FreeBSD has made it to newsyslog, yay 😀 ! Big thanks for Dan Langille who made this happen!



tmutil is the command line tool to interact with your Time Machine backups. The graphical user interface is good in most of the cases, but not all, it’s a bit limited; when you need to […]