systemctl status nginx
sudo systemctl start nginx
sudo systemctl stop nginx
sudo systemctl restart nginx
sudo systemctl enable nginx
sudo systemctl disable nginx
journalctl -u nginx
journalctl -xe
dmesg
less /var/log/syslog # Debian/Ubuntu
less /var/log/messages # CentOS/RHEL
tail -f /var/log/syslog
🔜 Adım 6: Paket ve Yazılım Yönetimi