sudo efibootmgr

Timeout: 1 seconds
BootOrder: 000C,000D,000E,0004
Boot0004  Hard Drive    BBS(HD,,0x0)..GO..NO........o.A.D.A.T.A. .S.U.6.3.0....................A...........................>..Gd-.;.A..MQ..L.L.2.6.2.9.2.7.1.N.E.U.1. . . . . . . . ........BO..NO........o.S.T.1.0.0.0.L.M.0.2.4. .H.N.-.M.1.0.1.M.B.B....................A...........................>..Gd-.;.A..MQ..L.3.S.X.2.9.J.G.B.3.9.2.6.6.6. . . . . . ........BO
Boot000C* ubuntu        HD(1,GPT,3860fedb-cbb4-1b4b-a151-c012fcf4afec,0x22,0x967de)/File(\EFI\UBUNTU\SHIMX64.EFI)