If you find that your ethernet networking device is not activating on system boot, you can configure the device to be enabled at boot by performing the following –
List your ethernet interface
Enable boot activation on the ethernet interface
nmcli con mod enp0s1 connection.autoconnect yes
CentOS has released version 6.3 of their rebuild of the Red Hat enterprise Linux distribution. This release announcement should be a surprise to most users, as the CentOS team was able to rebuild RHEL 6.3 for CentOS release in under 3 weeks! Good work guys and our sincere congratulations from the San Diego Linux team.
H-Online has a great article about the new features in RHEL 6.3. Most, if not all, features are available in CentOS 6.3.
You can read the full release announcement here.
You can read the full release notes here.