1. Checking the CPU Check the CPU model 1 lscpu Check the instruction set 1 cat /proc/cpuinfo | grep -iE "flags|instruction set" 2. Checking Memory Memory usage and size 1 free -h Memory module model 1 dmidecode -t memory 3. Checking Disks Check disk mounts 1 lsblk -o NAME,TYPE,SIZE,MODEL,UUID,MOUNTPOINT Check disk usage 1 df -H | grep -vE '^Filesystem|tmpfs|cdrom|loop|udev' | awk '{ print $5 "/" $2 " " $1 }' |grep " "/ Check disk speed 1 hdparm -t /dev/sda3 Check disk temperature and more 1 apt install smartmontools 1 (for disk in /dev/sd?