Articles Feed
Team Leadership as a Calling
Reading time: 6 minutes
Internal promotions can be hard to handle. If you’re promoted to be a team leader, there are some counter effects to the promotion, put upon you by your old team. Studies show that a good number of employees get fired or demoted within the first year of receiving a promotion to a higher position. People...
Gathering Product Development Feedback
Reading time: 3 minutes
In one of my previous posts, I’m describing a personal take on the product management process. Based on hands-on experience, it outlines how to guide the product management process. Of course, it is only one of the ways to follow product management, but I’ve tried to generalize it in a way that would fit most...
Customer Happiness Metrics
Reading time: 9 minutes
While driving your business engine to a certain direction, ask yourself if the traffic signs along the road are correct. Usually, it’s the governmental entity that put the signs into place, representing a certain rule, prohibition… But, what if YOU were able to set yourself up with custom signs, for your own needs? In real-world...
Wildcard purge nginx cache
Reading time: 7 minutes
Looking for a good solution, at least for my use case, I’ve stumbled upon interesting approach to find and remove nginx cached files by regex pattern. This is proxy_pass or fastcgi cached files, regardless. Repository with source code can be found on github: https://github.com/perusio/nginx-cache-purge The script gets the arguments from regular expression to calculate the match within...
A glance into the reverse proxy setup with nginx
Reading time: 5 minutes
Reverse proxy Hey all! I wanted to give a short (really short) intro to reverse proxy and how common use case is configured with nginx as a reverse proxy. Tried to keep it short as much as possible. Difference between proxy and reverse proxy Proxy is used to route requests to a well-known endpoint even...
How to change private ssh key password
Reading time: 11 minutes
The goal of this article is to describe the process behind changing the passphrase used to generate ssh key pair (private and public) due to security policies or other scenarios where passphrase tends to be a liability in strictly security sense of the word. When the ssh key is generated and passphrase selected, as a...
Linux System Overview using top command
Reading time: 4 minutes
top, iotop, iostat and many other commands are used on daily basis to help sysadmins keep the system up and running at all times. It seemed appropriate to bring up the top command overview closer for it to serve as a cheat sheet for most juniors in this industry. Top is used to show the system...
Building your Revenue Department in 12 months – the “Fire Your Sales Team Today” digest
Reading time: 6 minutes
Some time ago, I’ve been reading the “Fire Your Sales Team Today: Then Rehire Them As Sales Guides In Your New Revenue Department” book. The book is written by Eric Keiles and Mike Lieberman, the guys responsible for building Square2Marketing‘s marketing machinery. I was impressed with the ideas this book has outlined, especially how the marketing and sales departments...
Slack slash commands – adding new slash commands with Wunderground API
Reading time: 7 minutes
Slack slash commands Before we configure and build our slash command, it’s important to cover some basic concepts and requirements first. Slash command integration is a trigger to an external micro service that: is listening to certain type of request generates response into a pre-defined Slack channel Also, this type of integration requires sending triggers...
Git Simplified – Undo changes and alter history
Reading time: 4 minutes
In this series of articles, we are going to learn the basics of the most popular versioning system today – Git. We already covered some basic commands and interacting via the Command Line Interface (CLI). In this part, we are going to use the most common techniques to undo changes and alter history. Git Message When committing changes, it is...