On certain Linux and macOS installations of bootloader-tools, it may be necessary to set the execution permissions of the Segger J-Link utilities.
- Within ./bootloader-tools/jlink/linux/x86_64, the "JLinkExe" file needs `chmod +x JLinkExe`
- You need to run as sudo. The first run is without, second one with.
- We distribute the J-Link executables with bootloader-tools with permission from Segger (see the SEGGER_license.txt file)