Network Tools

ping (check network connectivity)

• send ICMP echo requests to test connectivity.

ping google.com

traceroute (trace route to a host)

• traces the route packets take to a destination

traceroute google.com

netstat (network statistics)

• displays listening ports and other network statistics

netstat -tuln

nmap (network scanning)

• performs a network scan to discover active hosts.

nmap -sP 192.168.1..0/24

curl (transfer data from or to a server)

• fetches the contents of a URL

curl http://example.com

wget

• downloads a file from the web

wget http://example.com/file.tar.gz

ss (Socket Statistics)

• displays socket statistics similar to netstat

ss -tuln