気になっていた、USB PD。USB PDは、USB-C向けのUSB Power Deliveryの規格。USB Power Deliveryとは「USBでの電力供給に関する規格」で、最大100Wの給電が可能。USB Type-Cより前のUSB規格では最大でも7.5Wが上限でしたが、それと比較すると13倍超という、電力の供給が可能。「最大100W」は、規格上の最大です。
jenkins@raspberrypi:/ $ sudo su jenkins
jenkins@raspberrypi:/ $ cd /home/jenkins
jenkins@raspberrypi:~ $ mkdir .ssh
jenkins@raspberrypi:~ $ ssh-keygen -t rsa
Generating public/private rsa key pair.
Enter file in which to save the key (/home/jenkins/.ssh/id_rsa):
Enter passphrase (empty for no passphrase):
Enter same passphrase again:
Your identification has been saved in /home/jenkins/.ssh/id_rsa.
Your public key has been saved in /home/jenkins/.ssh/id_rsa.pub.
The key fingerprint is:
SHA256:9QoADCZcq+4jyOWd3QeAy8av7K2riVNTK6F+TlQXU78 jenkins@raspberrypi
The key's randomart image is: