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Linux Commands

Files

Count files recursively

find . -type f | wc -l

Hardware information

CPU

cat /proc/cpuinfo
lscpu
dmidecode -t processor

Memory:

cat /proc/meminfo
free -h
dmidecode -t memory

Network:

cat /sys/class/net/eth0/address

HDD:

df -h
sudo fdisk -l
hdparm -i /dev/sda1

Devices:

lsblk
lspci
lsscsi
lsusb
dmidecode -t bios

General:

lshw -short
inxi

Android:

cat /proc/version
cat /system/build.prop
getprop

Server status

# CPU
cat /proc/loadavg | awk '{print $1}'

# CPU count
getconf _NPROCESSORS_ONLN || grep -c ^processor /proc/cpuinfo

# Memory
free | grep Mem | awk '{print $2,$3}'

# Disk
df -h | awk '$NF == "/" {print $2,$(NF-1),$NF}'

# Uptime
cat /proc/uptime

# Network
cat /sys/class/net/`route -n | awk '$1 == "0.0.0.0" {print $8}' | head`/statistics/tx_bytes

# Docker status
[sudo] docker ps -a

# Docker Stats
[sudo] docker stats --format '{{.Name}}\t{{.CPUPerc}}\t{{.MemUsage}}\t{{.NetIO}}' --no-stream

# Processes / Ports
ps aux | grep $process
netstat -tulpn | grep $port
pwdx $pid
which $process

# `ps` output sorted by memory (RAM), from high to low
ps aux --sort -rss

Cron job

Resources