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ArthurDelannoyazerty/linux_hardware.md

Last active June 24, 2025 07:26
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linux_hardware.md

RAM

Free RAM

free -h

               total        used        free      shared  buff/cache   available
Mem:           125Gi        12Gi       109Gi       186Mi       4.9Gi       113Gi
Swap:          4.0Gi       154Mi       3.8Gi

RAM info

# sudo
lshw -c memory
dmidecode -t memory

CPU

# CPU info
lscpu

# Number CPU
nproc
getconf _NPROCESSORS_ONLN

OS

uname -a

Disk

Disk space

# see total disk space
df -h

# see used space for all subfolders
du -h | sort -h
# see only huge enough file (the Gigabytes ones)
du -h . | grep '[0-9\.]\+G' | sort -h
# See total used space in local folder
du -hs

# pretty df
duf

Disk type

lsblk
ls -lF /dev/disk/by-id/
lshw -class disk -class storage
findmnt

Network

Port open

lsof -i
netstat -tuplen
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