# Storage devices - nvme ssd healthcheck https://www.baeldung.com/linux/ssd-verify-health ## List storage devices https://www.baeldung.com/linux/find-all-storage-devices - `cat /proc/partitions` - `fdisk -l` - `lsblk` - `lshw -class disk` - `parted -l` - `sfdisk -l` ## Check space https://opensource.com/article/18/7/how-check-free-disk-space-linux - `df -h` - check man page for more details - `du -hs` - `-s` for specific file or directory - GNOME disk usage analyzer for visual repr - `ls -al` - `stat` a file - `fdisk -l` # Memory healthcheck - ram https://www.baeldung.com/linux/ram-testing memtester # CPU - cache size: `lscpu` - `dmidecode`