In this post you’ll find a list of handy tips, tricks, and commands for your new Raspberry Pi 4.
I’ve been maintaining a document to record these so I can search and re-use them, and figured I’d share them on the blog for others to use as well.
I’m hoping to target both Raspbian and Ubuntu Server for the Raspberry Pi 4. If you have any feedback or input, please leave a comment!
Enables 64-bit kernel on Raspbian, however remember that the userspace is still 32-bit.
rpi-update
sudo echo arm_64bit=1 >> /boot/config.txt
Remove, comment out, or set the value to 0 to go back to a 32-bit kernel.
Run the command “sudo vcgencmd measure_temp” to get the CPU temperature on Raspbian.
pi@raspberrypi:~ $ sudo vcgencmd measure_temp temp=38.0'C
Run the command “paste <(cat /sys/class/thermal/thermal_zone/type) <(cat /sys/class/thermal/thermal_zone/temp) | column -s $’\t’ -t | sed ‘s/(.)..$/.\1°C/'” as root to get the CPU temperature on Ubuntu Server.
root@ubuntu:~# paste <(cat /sys/class/thermal/thermal_zone/type) <(cat /sys/class/thermal/thermal_zone/temp) | column -s $'\t' -t | sed 's/(.)..$/.\1°C/' cpu-thermal 45.2°C
To add a root CA to your CA trust on your Linux instance, perform the following:
update-ca-certificates
To install cockpit on your Raspberry Pi, run the following command as root or sudo:
apt install cockpit
After this, login to Cockpit on your Pi by pointring your browser to https://PI-IP-ADDRESS:9090
In order to configure the Linux kernel iSCSI target, you need the “targetcli” application/binary.
To install on Raspbian, run the command as root or sudo:
apt install targetcli
To install on Ubuntu Server, run the command as root or sudo:
apt install targetcli-fb
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