Learing new feature of ubuntu 1804 just like an all new OS for me. So why do I lear another sercurity OS like BSD ect.
After I check the record on the net, OpenBSD is the one which is security.
Atfter a fresh intall, we shoud make sure the network is worked. Flowing step is the way to check all the setting of network.
dns server setting
ifconfig show interface Device Status
ipconfig DevName ip networkmask
Aliases mutiple ip on same interface
inet ip netowrkmask
inet alias ip2 netowrkmask2
inet alias ip3 networkmask3
Wireless get ip just