Articles Feed

Wildcard purge nginx cache

Post Written by
Ivan Dabić
Last modified on June 30th, 2020 at 1:51 pm

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

Post Written by
Ivan Dabić
Last modified on July 1st, 2020 at 11:07 am

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

Post Written by
Ivan Dabić
Last modified on June 29th, 2020 at 3:56 pm

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

Post Written by
Ivan Dabić
Last modified on June 26th, 2020 at 1:31 pm

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

Post Written by
Ivan Dabić
Last modified on July 1st, 2020 at 11:09 am

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

Post Written by
Marko Marjanović
Last modified on July 1st, 2020 at 11:13 am

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

Post Written by
Marko Marjanović
Last modified on July 1st, 2020 at 2:40 pm

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...

git simplified – part 1

Post Written by
Marko Marjanović
Last modified on July 1st, 2020 at 2:39 pm

Reading time: 5 minutes

Doing any coding without some kind of versioning control system ( VCS ) is nearly impossible today. Thanks to his creator, Linus Torvalds, we have a great distributed system that is pretty easy to start with, however very hard to master. Think of GIT as a tool that you will be constantly learning as you...

Importing vQFX to GNS3

Post Written by
Stefan Belić
Last modified on July 2nd, 2020 at 10:03 am

Reading time: 6 minutes

Introduction This blog post is intended as a foundation, that will help you getting started creating bigger and more complex topologies in GNS3, using Juniper vQFX switch(es). We will put together a simple topology with two vQFX switches, configure interfaces and test connectivity between them. Details about environment and software used: – Host machine running...

Peering Decisions on the Internet

Post Written by
Nikola Lukić
Last modified on July 2nd, 2020 at 12:36 pm

Reading time: 3 minutes

Intro to peering decisions To make better peering decisions, we need to analyze the peering components. Peering is as simple as two networks / providers agreeing to exchange traffic. Since the exchange is beneficial for both sides, it is most often done for free. Peering also reduces operating costs as it gets you free transit, instead...

Contact Us

Fill out the enquiry form and we'll get back to you as soon as possible.

*Max. file size 5MB


*How did you find out about us?