nmcli

NetworkManager command line

high risk

interactive breakdown — edit the command and press Explain
$ 
⚠ Risks & cautions
Safer / dry-run alternatives
nmcli connection showReview first
nmcli connection show <name> > conn.bakSave settings
What it does

Manages connections, devices and Wi-Fi in NetworkManager.

Common flags
FlagMeaning
device statusDevice overview
connection showList connections
connection modifyEdit a connection
connection upActivate a connection
Examples
nmcli device statusOverview · explain & risk-check →
nmcli con mod eth0 ipv4.addresses 10.0.0.5/24Change an address · explain & risk-check →
Related
ip
Open the full explainer →More in Networking

Reference text is hand-written and may be incomplete — check man nmcli for your version. Test destructive commands on a non-production system first.