Hardware Configuration & Performance
Disks, CPU, RAM, etc
Check devices and connections
List disks lsblk List PCI controller connections: lspci List CPU details lscpu List USB bus...
RAM
View current RAM configuration lsmem View current RAM usage (human readable) free -h Older sy...
PCIe
Disks
QUICK GUIDE: Clearing Disk Space
==================================================================================== Identifying...
STORAGE CONCEPTS
This page details the storage concepts for a linux system. FILE BLOCK In a block storage s...
Quick Guide: Expanding Disks
==================================================================================== Virtual Dis...
Partitions and Filesystems
Partitions What is a partition? Partitions allow you to divide a single physical disk into mu...
FHS - Filesystem Hierarchy Standard
==================================================================================== FHS as defi...
LVM (Logical Volume Manager)
==================================================================================== LVM, or Log...
SWAP
==================================================================================== What is SWA...
fstab & cryptab
fstab (File Systems Table) The fstab (file systems table) is a system configuration file (/etc...
Archiving and Compression
==================================================================================== gzip ==...
Disk Performance
==================================================================================== I/O Schedul...
Disk Encryption (LUKS)
On Linux systems, a relatively common practice amongst high-security systems is to use a disk or ...