How to avoid multiple sudo commands in one-liners
We all love one-liners but soon one-liner like this will destroy the coolness of using oneliners
cat how-to-avoid-multiple-sudo-commands-in-one-liners.md →$ ls -lh ./posts
// also on this box: ./practice, ./tools and ./games
Linux: text parsing tools and techniques
Knowing how to parse text files in Linux is essential in order to troubleshoot and analyze log files, in this example i will show you…
cat linux-text-parsing-tools-and-techniques.md →
Linux: find used ports quickly
If you work with Linux most likely you had to troubleshoot why and application is not starting, one reason would be that the port must bind…
cat linux-find-used-ports-quickly.md →
Kubernetes: common pod operations
In this article i will show you how to create pods from the command line in kubernetes, to avoid extensive complexity and focus only to the…
cat kubernetes-common-pod-operations.md →
Use Postgres DB with Docker.
In this article i will show you how you can create a Postgres container, create tables if not exist and import data to the tables from csv…
cat use-postgres-db-with-docker.md →
Linux: How to add a directory in PATH permanently
PATH is an environmental variable in Linux and other Unix-like operating systems that tells the shell which directories to search for…
cat linux-how-to-add-a-directory-in-path-permanently.md →
Python: Cache results of functions.
Assume that you have functions whose result remains the same every time they are called with the same parameters. Can we cache their…
cat python-cache-results-of-functions.md →
How to improve your life
Apart from the things you can do to improve your health, like eating well, exercising and all that stuff, there are many more things to…
cat how-to-improve-your-life.md →
How to change the listening port of a Docker container without restarting.
Recently I came up with the following problem: “How to change the listening port of a docker container without restarting the container.” I…
cat how-to-change-the-listening-port-of-a-docker-container-without-restarting.md →
You want to start a docker container quickly, but you dont remember all the small details like…
chatgpt is here! no idea if it will make developers/system admins obsolete in the long term, but for now, I am convinced that it can help…
cat you-want-to-start-a-docker-container-quickly-but-you-dont-remember-all-the-small-details-like.md →