Linux Commands Cheat Sheet

ls -la

find / -name "*.log" -mtime -1

du -sh /var/*

df -h

tar czf archive.tar.gz /path/to/dir

tar xzf archive.tar.gz

rsync -avz src/ dest/

ln -s /target /link

chmod 755 file

chown user:group file

ps aux

ps aux | grep <name>

top

htop

kill <pid>

kill -9 <pid>

nohup command &

lsof -i :8080

ip a

ss -tulnp

curl -I https://example.com

dig example.com

traceroute example.com

netstat -rn

iptables -L -n

wget -q -O - https://example.com

grep -rn "pattern" /path/

sed -i 's/old/new/g' file

awk '{print $1, $3}' file

sort file | uniq -c | sort -rn

tail -f /var/log/syslog

wc -l file

cut -d',' -f1,3 file.csv

whoami

id

useradd -m -s /bin/bash <user>

usermod -aG sudo <user>

passwd <user>

su - <user>

visudo

uname -a

uptime

free -h

cat /etc/os-release

lscpu

dmesg | tail -20