Network

ping, traceroute, mtr, dig, nslookup, arp, and ip are not just standalone commands — together they f...

ARP (Address Resolution Protocol) maps IP addresses to MAC addresses on a local network. The arp com...

mtr (Matt's Traceroute) combines ping and traceroute into a single continuously-updating display. It...

Three tools, one job: inspect and configure network interfaces. ip is the modern Linux standard. ifc...

traceroute (Linux / macOS) and tracert (Windows) map the path packets take across a network hop by h...

nslookup (Name Server Lookup) is a cross-platform DNS query tool built into Linux, macOS, and Window...

ping is the simplest and most widely used network diagnostic tool. It sends ICMP Echo Request packet...

dig (Domain Information Groper) is the standard tool for querying DNS servers. It gives you the raw,...

iperf3 is the go-to open-source tool for measuring real-world throughput, jitter, and packet loss be...