Wading through TICKscript documentation

I begin to work with TICK stack (influx + telegraf + kapacitor). I have some experience with Influx (mostly together with Grafana). Telegraf looks simple (no new ideas, just a config grind).

block device error count in Linux

Short answer: nope

Long answer:

I’ve searched for a very simple thing: can I have number of errors happened on a block device or for a filesystem? I need for some innocent error counter in device stats, etc, please……

Implementing intention-based deny-by-default policy for firewall with Ansible

(Aye catching title, right)

My new challenge (and at this time it’s a real challenge!) is to implement a strict firewalling rules for my project installation. Only…

Highly available single point of bugs

There is a nasty topic with bother me for a long time.

Let’s say we have a computer system. It has redundant power supply (Tier 4, the best electricity from two independent providers, own generators, UPS, etc). It has redundant PDU, it…