Linode Host VPS has a good network configuration tool: The network Helper, he can be in the system when the boot, according to your operating system, as well as the detected network configuration and other information, automatic configuration of networks, is very useful.
Official documents:
Network Helper automatically deposits a static networking configuration in to your Linode at boot. Thanks to the network Helper, you don ' t has to worry about altering your the network configuration when you:
- Deploy a Linode
- ADD a public or private IPV4 address
- Restore from a backup
- Deploy from an Linode Images template
- Migrate your Linode to a new datacenter
- Clone from another Linode
Note: Network helper cannot configure IpV6.
1, Network Helper is closed by default, you need to open in the Configuration Profiles inside. You can also open it in the account Settings tab under the Global profile, Linode open the network helper by default.
2, Network Helper If the current operating system is not detected at boot time, then no files will be changed, and in the host Job Queue: Give the failure to run prompt.
3. Under Debian/ubuntu, Network helper changes 2 files. respectively is /etc/network/interfaces
and/etc/resolv.conf
4. Under CentOS, the change is: /etc/sysconfig/network-scripts/ifcfg-eth0
and/etc/resolv.conf
5, Netwrok Helper after each restart, will be checked, so if you modify the files mentioned in 4, 5 will be changed back after the restart, unless the network Helper is turned off.
6, small tricks, if the new IP address added, this time must be set static private Ip, you can simply restart the system, Network helper automatically configured.
Network Helper in the Linode