cloud engineer
Here’s how to move a VM to another network.
Stop the VM.
gcloud compute instances stop server-name \ --zone=us-central1-c \ --project project-id |
gcloud compute instances stop server-name \ --zone=us-central1-c \ --project project-id
Migrate the VM. Use self link for network and subnetwork.
gcloud compute instances network-interfaces update server-name \ --zone=us-central1-c \ --network-interface=nic0 \ --network=your-network \ --subnetwork=your-sub-network \ --project project-id |
gcloud compute instances network-interfaces update server-name \ --zone=us-central1-c \ --network-interface=nic0 \ --network=your-network \ --subnetwork=your-sub-network \ --project project-id
Start the VM.
gcloud compute instances start server-name \ --zone=us-central1-c \ --project project-id |
gcloud compute instances start server-name \ --zone=us-central1-c \ --project project-id
Make an IP alias reservation.
gcloud compute instances network-interfaces update instance-name \ --zone us-central1-c \ --aliases default:/32 \ --project project-id |
gcloud compute instances network-interfaces update instance-name \ --zone us-central1-c \ --aliases default:/32 \ --project project-id
Here’s how to add a new route in Google Cloud Platform.
gcloud compute routes create name-of-new-route \ --destination-range=200.20.0.0/15 \ --next-hop-gateway=default-internet-gateway \ --project=host-project \ --network="default" \ --priority=900 |
gcloud compute routes create name-of-new-route \ --destination-range=200.20.0.0/15 \ --next-hop-gateway=default-internet-gateway \ --project=host-project \ --network="default" \ --priority=900
When changing machine types, you may be asked to enable the latest ENA driver for Enhanced Network Support on an Amazon EC2 instance. There are several instructions depending on the Linux OS flavor. Here are the instructions to enable. In some cases, you may need to rebuild the kernel module. To verify that the ena module is installed, use the modinfo command as shown in the following example.
modinfo ena |
modinfo ena
You also may have to enable the enhanced networking attribute on the instance.
aws ec2 modify-instance-attribute --instance-id instance_id --ena-support |
aws ec2 modify-instance-attribute --instance-id instance_id --ena-support
Here’s how to list all the devices on your network using nmap.
nmap -sn 192.168.0.0/24 |
nmap -sn 192.168.0.0/24
If nmap is not installed, install it.
yum install nmap apt install nmap |
yum install nmap apt install nmap