I’ve been running my own mailserver for a while. This is not very common anymore and lots of people have problems with this due to MS and Google’s SPAM filters, lots of ISP’s blocking SMTP traffic and IP reputations of some ranges out there. I’m lucky enough that i primarily receive e-mail, have a provided that allows SMTP and have a reasonable IP address. To read my e-mail, i run dovecot imap server and over the years my mail archive has become nearly 10gb of data.

For data analysis, I sometimes use python in combination with pandas. In this post I’ll take a look at some of the performance aspects of pandas and alternatives. Pandas makes it easy to read data using read_csv (or other read_ functions). You get a DataFrame which is easy to query and plot using matplotlib.

I’m one of those weird people that still runs a “Linux router”. This means I have a PCEngines APU2 board and use a Draytek 130 modem. The reason I do this is because I like the control it gives me, and I can run things like dnsdist, powerdns in combination with DHCP. It gives me nice hostnames, so I can access my webcam via nice URL’s. I also run this blog on the machine, as well as my nextcloud instance.

K2Five’s new workflow designer is a great improvement over the old designers. Improvement and innovation can’t always be made on top of legacy supported systems. This means that some features change and/or might not be available at this time of first release. The new designer is a big change and i’d like to highlight some changes here with regards to process and activity escalations. One element that the new workflow designer currently does not have is Process Escalations.

With the new release of K2 five and it’s workflow designer, we do not have the capability to write custom code in our workflow anymore. For some, this is a shocker and unbelievable. Having no code in your workflow has been a best practice for some organizations for years and as a low-code platform, it’s a nobrainer. However, there are requirements that always required code in the past, one of those Asynchronous server events.

With the release of K2 4.6.11 a new wizard has been added to the k2 blackpearl software. It’s the For Each wizard, which might surprise you. How can a workflow engine like K2 not have a For Each option? It’s quite simple once you understand how the K2 workflow engine works. Activities and line rules determine the flow of the process. Questions like ‘Does your workflow have branch and merge options?