OMG the server is dead It is the scenario every homelabber dreads: a catastrophic failure. My HP MicroServer Gen8 didn’t just lose a drive; the primary RAID 1 array holding the OS suffered a double-disk death. Starting from scratch with Fedora 43, I had two goals: build a bulletproof, redundant boot drive on new hardware,… Read More »
I am a big fan of of Starship Cross-Shell prompt see https://starship.rs/ You can add to the command line very fancy information besides the default stuff that is also extremely useful. You can add a workday hour counter to your Starship prompt by creating a small script and then telling Starship to display its output… Read More »
A nice and simple way to determine what process occupies a port in Linux is using lsof For example if you want to see what process is occupying port 3000. Looks like we have here a Grafana server working in background.
When setting up https for Grafana we need separate files to set the security. One with the certificate chain in PEM format and another with the private key. Step 1: Convert the JKS keystore to the PKCS12 format. After that it will be easier to extract the certificate chain and the private key. Step 2:… Read More »
In the world of network administration and troubleshooting, there are countless moments when you need to verify connectivity. Is a specific client successfully reaching a server on a designated port? Is the server responding? Or is something silently dropping the packets? For these scenarios, the command-line tool tcpdump is an invaluable asset – powerful, versatile,… Read More »
I own my family name as an internet domain with several country codes. It’s not every day you get to claim your heritage in the digital world like that. However, this seemingly harmless act has turned me into an unexpected recipient of a rather peculiar type of email: the multilingual ransomware scam. My inbox, normally… Read More »
Some websites require to obtain the time-zone from the client browser in order to correctly display some information. This is not always critical but in case you are using some web hosted e-mail or calendar account this is important. One day I noticed that suddenly all my tutanota.com mail calendar events were completely off by… Read More »
Yes, folks, more and more technology is cripping everywhere in our lives. With this , we can also see more tech failures in our day to day life. Here I give you the bottle return machine from Mega Image stuck in a reboot loop 🙂 Looks like it is running a Tomra Linux.
This is a continuation of the previous post about one liners from https://blog.voina.org/fedora-linux-server-useful-one-liners/ Updating to a new version – extra commands In case the usual one liner does not work or there are some issues related to the upgrade, there are some additional things that can be done. Make sure to have latest packages of… Read More »
While running the blog server on Fedora Linux I found out that some one liners are either very important to be executed once or very useful periodically. Here are some of my most used one-liners Updating packages Note that I allow dnf to skip broken packages and delete if necessary. Sometimes if using other than… Read More »