List Open Ports on Linux
Every listening TCP and UDP port, with the process that owns it. Fill in the details below to get the exact command.
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List Open Ports
sudo ss -lntup
Every listening TCP and UDP port, with the process that owns it.
Linux Command Generator
The command
Commandsudo ss -lntup
CategoryNetwork
Works OnUbuntu, Debian, AlmaLinux, Rocky Linux
Every listening TCP and UDP port, with the process that owns it.
Linux Commands
Check Disk SpaceFind the Largest DirectoriesFind Large FilesCheck Inode UsageShrink the systemd JournalList Open PortsCount Connections per IPTest If a Port Is ReachableTrace the Route to a HostQuery a DNS RecordShow IP AddressesCheck a ServiceRestart a ServiceList Failed ServicesStart a Service at BootRead a Service's LogsShow Errors Since BootFollow a Log FileFind Failed SSH LoginsTop Processes by MemoryTop Processes by CPUFind What Is Using a PortCheck Memory UsageShow OS and KernelCheck Load and Uptime
Questions
How do I list open ports on Linux?
Run: sudo ss -lntup
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