documentation aggiornamenti: sudo su apt update apt upgrade start ssh server: sudo /etc/init.d/ssh restart cat /etc/os-release cat /etc/issue lsb_release -d sistema operativo cat /proc/meminfo informazioni sulla memoria cat /proc/cpuinfo informazioni sul processore sudo -i superuser create bootable usb drive: mbroby$ sudo diskutil umountDisk /dev/disk2 Unmount of all volumes on disk2 was successful mbroby$ sudo /bin/dd if=boot_centos7.iso of=/dev/disk2 1153024+0 records in 1153024+0 records out 590348288 bytes transferred in 705.965774 secs (836228 bytes/sec)