Turning a Raspberry Pi 5 into a remotely accessible software-defined radio receiver for amateur radio, shortwave listening, and signal monitoring. Introduction One of the things I’ve…
October 24, 2026 • rick
^M is DOS line break charater which shows up in unix files when uploaded from a windows file system in ascii format. To remove this, open…
October 1, 2026 • rick
df -h lsblk sudo blkid sudo nano /boot/firmware/config.txt — add these lines to /boot/firmware/config.txt dtparam=pciex1 dtparam=pciex1_gen=3 sudo reboot dpi@pi5-8gb-134:~ $ lspci 0001:00:00.0 PCI bridge: Broadcom Inc.…
October 27, 2023 • rick
If you work with files from multiple operating systems, digital cameras, Windows PCs, scanners, or network storage devices, you’ve probably encountered files with uppercase extensions like:…
December 20, 2021 • rick
Here is simple solution using a temporary file to prepend text: echo ‘line 1’ > /tmp/newfile echo ‘line 2’ >> /tmp/newfile cat yourfile >> /tmp/newfile cp…
May 27, 2019 • rick