How enquote list elements

and join them by comma

How to enquote list elements

It’s a challenge for jinja-ninja. You have a list, and you want to rewrite it in a single line, each element in quotes, joined by coma. You need to handle well all…

Avoiding combinatorial explosion in continuous queries in Influx

How not to do CQs, and how to do them right

My small development environment suddenly stops producing performance data. I looked into few places and quickly…

How to have a subquery from few queries in Influx?

If you have (f.e.) two queries, you may want to join them and to make a query on top of joined result of both previous queries. How to join them?

Query1:

select mean(value) as mean_rd from…

no data in retention policy in Kapacitor

Mild WTF which had cost me 1 hour of my life

If you suspect that your task does not receive data, check Kapacitor configuration file.

Simplicity is a bliss

I created the best memory visualization in my life:

There is no read-only from Santa to naughty kids in this year

I’ve just found that I can’t force a device under Linux to become read-only.

hdparm -r 1 /dev/sd*