Basic Diagnostic

Determine debian version

pi@raspberrypi:~ $ cat /etc/debian_version
10.3

Show kernel version

pi@raspberrypi:~ $ uname -a
Linux raspberrypi 4.19.97+ #1294 Thu Jan 30 13:10:54 GMT 2020 armv6l GNU/Linux

Show hardware version

pi@raspberrypi:~ $ cat /proc/cpuinfo
processor       : 0
model name      : ARMv6-compatible processor rev 7 (v6l)
BogoMIPS        : 697.95
Features        : half thumb fastmult vfp edsp java tls
CPU implementer : 0x41
CPU architecture: 7
CPU variant     : 0x0
CPU part        : 0xb76
CPU revision    : 7
Hardware        : BCM2835
Revision        : 0010
Serial          : 0000000034b74d8f
Model           : Raspberry Pi Model B Plus Rev 1.2

CPU info

• CPU frequency:

pi@raspberrypi:~ $ vcgencmd measure_clock arm
frequency(45)=700072000

• CPU Voltage:

pi@raspberrypi:~ $ vcgencmd measure_volts
volt=1.2000V

• Is CPU was under voltage and throttled now:

pi@raspberrypi:~ $ vcgencmd get_throttled
throttled=0x0

• Show CPU Temperature:

pi@raspberrypi:~ $ cat /sys/class/thermal/thermal_zone0/temp
40622

• Show GPU Temparature:

pi@raspberrypi:~ $ vcgencmd measure_temp
temp=40.1'C

• Get total memory:

GPU memory

vcgencmd get_mem gpu

CPU memory

vcgencmd get_mem arm

Show boot messages

• Show kernel boot messages:

dmesg

• Show boot time messages:

vcdbg log msg