I know that the title is rather a clickbait. It should be. If you are not using virtual environments for Python, you should start. This is really easy and can…
Category: Linux
I’m just about to host the small Machine Learning workshop. I don’t want attendants to install Anaconda and use Jupyter Notebooks on their computers. I simply want to run Jupyter…
From time to time I have a need to analyze Apache access logs real quick. In most cases, website owners are noticing some strange activity or unusual traffic peak and…
From time to time there is a need to prepare the complete copy of the website to share it with someone or to archive it for further offline viewing. Such…
Recently I noticed that one of my OpenVPN servers stopped working. It was just after the update on the Ubuntu 16.04.4 LTS. What I found was that the service failed…
In theory, MySQL replication should work without problems even if the servers are restarted, databases created and removed, data flowing in and out… Sometimes, however, there are errors that are…
I just started to install Ubuntu Server 18.04 Bionic Beaver on new servers. I noticed an interesting thing – once the server is installed, I typically install additional software such…
I own an old laptop which is powered by the Linux operating system. It was always starting in about 20 seconds, but recently I noticed that I have to wait…
I own an electricity meter which is sending 800 impulses per kWh of the power usage. I used to connect it to the Arduino board which was counting these impulses and…
It is said that there are two kinds of people: those who do the backups and those who will. Once you suffer from data loss, you will remember to perform…