The networking in my KVM guest VMs has stopped working. I attach the VMs to a bridge, any bridge, and then I try to ping another guest VM on the same bridge, or the hypervisor host, or the gateway...
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The networking in my KVM guest VMs has stopped working. I attach the VMs to a bridge, any bridge, and then I try to ping another guest VM on the same bridge, or the hypervisor host, or the gateway...
I have a Dell R920 with 4x Intel Xeon E7-8895 v2 processors. This system is a KVM hypervisor host that runs Ubuntu Server 18.04. I'm noticing that my VMs are randomly stalling and locking up, I've...
Step 1: printf "[NetDev]\nName=tap1\nKind=tap\n" > /etc/systemd/network/tap1.netdev
Step 2: Add tap1 to netplan configuration.
Also I've learned if you're trying to setup a virtual bridge for use...
I'm running into the exact same problem on a Dell R820.
Here is a screenshot of where it hangs:
https://imgur.com/VT9zd0w
https://imgur.com/4BQPCXo
I'm running 18.04 on a Dell R620. I was previously running kernel 4.15-13 and I did an apt upgrade yesterday and now I'm getting kernel panics at bootup with 4.15-15. I revered back to the old kernel...
So apparently you don't need a loopback, dummy, or tap interface. netplan will happily create a floating bridge with no interfaces attached to it by using a null value [] in the interfaces section....
How do you create a persistent tap interface in Ubuntu 18.04 and/or Ubuntu 17.10? I can create the device with "ip tuntap add tap0 mode tap", but I need it to come back up after reboot. I put "pre-up...
How do you create a vlan on a bridge connected to a tap interface with netplan?
I need:
tap1 / br3: VLAN 10
tap2 / br4: VLAN 20
Here is my current netplan config file:
How do you create a persistent dummy, loopback, and/or tap interface with netplan on Ubuntu 18.04? I need three seperate virtual networks for use with my virtual machines.
Hello,
I'm virtualizing Mirantis Cloud Platform (OpenStack) on a single test node running Ubuntu 18.04 as the hypervisor. I need to create three separate virtual (loopback) networks (Deployment,...
I want to recompile the stock Bionic kernel with the "-march=ivybridge -O2" GCC optimization flags, how do I do this? Is it just: export CFLAGS="-march=ivybridge -O2" and then follow this guide?
...
Hi,
I've never been able to get DNS resolution working for MAAS 2.x, not sure what I'm doing wrong because there is no documentation.
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