1. ifconfig Usage: scp file.

txt
Installation: telnet example.com 80 user@remote:/path/to/destination
sudo apt update 7. ssh (Secure Shell) 16. rsync (Sync files)
sudo apt install net-tools Installation: Installation:
Usage: sudo apt install openssh-client sudo apt install rsync
• Show all network Usage: Usage:
interfaces: • Connect to remote server: rsync -av source/
ifconfig ssh destination/
• Show specific interface user@remote-server 17. sftp (Secure FTP)
(e.g., eth0): 8. sendmail (Send email) Usage:
ifconfig eth0 Installation: sftp user@remote
• Assign IP address: sudo apt install sendmail 18. netstat (Network statistics)
sudo ifconfig eth0 Installation:
192.168.1.100 Usage: sudo apt install net-tools
netmask echo "Test Email" | Usage:
255.255.255.0 sendmail user@example.com netstat -tulnp
2. iwconfig (For wireless 19. ping (Test connectivity)
interfaces) 9. mailstats (Check mail queue Usage:
Installation: stats) ping google.com
sudo apt install wireless-tools Installation: 20. traceroute (Trace network
Usage: sudo apt install sendmail path)
• Display wireless interface Usage: Installation:
details: mailstats sudo apt install traceroute
iwconfig 10. w (Show logged-in users) Usage:
• Set ESSID: Usage: traceroute google.com
sudo iwconfig w 21. iftop (Live network
wlan0 essid "MyNetwork" 11. cURL (Transfer data from monitoring)
3. ethtool (Check Ethernet URLs) Installation:
settings) Installation: sudo apt install iftop
Installation: sudo apt install curl Usage:
sudo apt install ethtool Usage: sudo iftop
Usage: • Download webpage: 22. nload (Network bandwidth
• Get interface details: curl http://example.com usage)
ethtool eth0 • Save file: Installation:
• Check link status: curl -O sudo apt install nload
ethtool eth0 | http://example.com/file.zip Usage:
grep "Link detected" 12. wget (Download files) nload
4. arpwatch (Monitor ARP Installation: 23. ss (Socket statistics)
traffic) sudo apt install wget Usage:
Installation: Usage: ss -tulnp
sudo apt install arpwatch wget http://example.com/file.zip 24. tcpdump (Packet capture)
Usage: 13. ftp (File Transfer Protocol) Installation:
• Run arpwatch for a Installation: sudo apt install tcpdump
specific interface: sudo apt install ftp Usage:
sudo arpwatch -i Usage: sudo tcpdump -i eth0
eth0 ftp example.com 25. dstat (System performance
5. bmon (Monitor network 14. rcp (Remote file copy) monitoring)
bandwidth) Usage: Installation:
Installation: rcp file.txt sudo apt install dstat
sudo apt install bmon user@remote:/path/to/destination Usage:
Usage: 15. scp (Secure Copy) dstat
bmon Installation:
6. telnet (Remote login) sudo apt install openssh-client
Installation: Usage:
sudo apt install telnet