Enter-PSSession
Handy for PowerShell remoting!
Making a connection
Enter-PSSession -ComputerName SERVER01
You'll probably get a big red scary blob of text telling you 777 reasons why the connection didn't complete. The fix (probably) is to add that host to your trusted list...
Adding hosts to trusted list
winrm set winrm/config/client @{TrustedHosts="SERVER01"}