ip: interfaces, addresses, and routes (opens in a new tab)
Navigate iproute2 objects for links, addresses, routes, policy rules, and network namespaces.
iproute2 / man7.org · man7.org
Current iproute2 manual
Interfaces & routes
Routes, DNS & packet analysis
Linux network tools
Trace connectivity through interfaces, sockets, DNS, and packet filters.
7References
4Subtopics
ss: sockets and connections (opens in a new tab)
Inspect listening ports, socket states, process associations, and protocol statistics.
iproute2 / man7.org · man7.org
Current iproute2 manual
Sockets & packets
dig and BIND 9 utilities (opens in a new tab)
Query DNS records and authoritative servers using the BIND manual’s dig reference.
ISC BIND · bind9.readthedocs.io
BIND 9 stable documentation
DNS
nftables project handbook (opens in a new tab)
Learn tables, chains, hooks, sets, and packet-filtering rules from the Netfilter project.
Netfilter Project · wiki.nftables.org
Maintained nftables wiki
Firewall & kernel
tcpdump packet capture manual (opens in a new tab)
Reference capture interfaces, packet output, filters, and save-file handling.
The Tcpdump Group · tcpdump.org
Current tcpdump manual
Sockets & packets
nmcli: NetworkManager CLI (opens in a new tab)
Inspect devices and connection profiles and understand NetworkManager command behavior.
NetworkManager Project · networkmanager.dev
Latest NetworkManager manual
Interfaces & routes
Linux IP sysctl reference (opens in a new tab)
Understand the kernel’s IPv4, IPv6, and transport configuration parameters.
Linux Kernel · docs.kernel.org
Current upstream kernel; options depend on kernel version
Firewall & kernel