January 17, 2025 Reading time: 2 minutes

DNS queries using Systemd Resolver can be difficult to grasp at the begining. Here are some commands that can help you understand how Systemd Resolver works under the hood.

Read more

December 22, 2024 Reading time: ~1 minute

pdftoppm -jpeg -r document.pdf doc_image

November 23, 2024 Reading time: ~1 minute

Install sox program

sudo apt install sox

Open the terminal and execute the following command. Your audio will be saved in a new file named "test.wav"

sox -t alsa default test.wav

November 23, 2024 Reading time: 2 minutes

A Python program to save your routing table into a Batch script as a backup. You can also execute the script into another system for fast configuration or automation. The program will generate a new file under the same directory of the program with a name "network.save" that contains the script.

Read more

November 23, 2024 Reading time: ~1 minute

US and UK invaded Iraq in 2003 under total lies of weapon of mass destruction possession. None of the US or UK were removed from the kernel community. DOUBLE STANDARDS!

November 10, 2024 Reading time: ~1 minute

ffmpeg -i broken.mp4 -c:v libx264 -profile:v baseline -level 3.0 -pix_fmt yuv420p working.mp4

November 9, 2024 Reading time: ~1 minute

Generate key

openssl genrsa -des3 -out server.key 2048

Generate certificate

openssl req -new -key server.key -sha256 -out server.csr

Sign the certificate

openssl x509 -req -days 365 -in server.csr -signkey server.key -sha256 -out server.crt

November 9, 2024 Reading time: ~1 minute

A command to convert a video to a format suitable for Plex directly play (no overhead transcode performed by Plex to play the video)

ffmpeg -i inputvideo.mkv -crf 18 -map 0 -acodec copy -scodec copy -c:v libx264 -threads 0 -preset veryslow outputfile.mkv