Centos7
Installation
After intallation, we may encounter some problems.
Network not Work && ifconfig not found && Could not retrieve mirrorlist
Centos7 uses ip command, so not found ifconfig.
$ ip addr
vi /etc/sysconfig/network-scripts/ifcfg-ens33
change ONBOOT to yes
$ dhclient
$ yum update
References: CentOS 7: Could not retrieve mirrorlist