Avahi now runs in Ubuntu to serve as a nameserver on 127.0.1.1. How do I figure out which nameserver(s) Avahi auto-discovered to use? Answer Seems that this is ultimately still coming from Network Manager. I was able to find my eth0 device with: # nmcli con show NAME UUID TYPE DEVICE Wired connection 1 eaa034b4-c9a6-3469-9c20-d0922e777d6b … Read more
Scenario: In general a ubuntu machine (called server) runs in a network and gets an IP from it. Due to testing, sometimes a windows machine (client) is physical connected to the ubuntu machine exclusively. (Because the server is mounted on a car trailer and there is sometimes no existing network availible.) It should run without … Read more
I have installed and configured avahi-daemon and samba on Centos 6.6 and it’s working when I am testing it from an Ubuntu machine. e.g.: ping myhostname.local or smb://myhostname.local However, when I try from a windows machine, neither samba works nor I can ping it via ping myhostname Can anyone please explain me the possible difference … Read more
Starting a few weeks ago, at seemingly random intervals, 3 of 5 PCs will lag at the same time for a few seconds to the extent where mouse and keyboard input is delayed and VoIP calls are dropped. After ruling out a few potential root causes, I suspected that something on the network was causing … Read more
Out of office mails works internally but externaly the logs says : – it goes out of Exchange 2010 to go to Postfix (without any sender), – Postfix sends it out to the sender without any sender – the destinator bounces it back with the error ” status=bounced (host gmail-smtp-in.l.google.com[173.194.76.26] said: 550 Requested action not … Read more
I have another machine on my network running avahi-daemon with the default configuration and it’s been working fine since the first boot. On a newer machine, avahi-daemon works only if i set systemctl set-default graphical.target. With multi-user.target the machine boots, avahi starts and then gets a SIGTERM. This is from journalctl | grep avahi: avahi[4204]: … Read more
We have an embedded PC that initially starts off life with a link-local IPv4 address, typically 169.254.0.1. It broadcasts its existence using Zeroconf using the python-zeroconf library. These Zeroconf messages are happily received on the Mac, but the ZeroConf broadcast is never received on Windows 10 unless the PC is also on a link-local address … Read more
I have a wireless printer/scanner on a remote network that is accessible via OpenVPN server in eth-bridge mode running on Ubuntu 20.04 host (in the same remote network as the scanner of course). IP printing is fine and working, its the scanner service I need using tools on client machine(s), in this case OSX 10.15.7 … Read more
Why are only IPv6 entries shown, what happened to the IPv4 entries? IPv6 Entries are the only ones being populated with the avahi-browse when run from a different vlan. Setup IGMP, PIM on L3 switch with a vSphere ubuntu or VyOS vm todo mDNS reflection which is providing discoverability between vlans. However chromecast and tv … Read more
I use avahi to find machines on the local network. It’s been acting up recently, causing a machine to hand out the wrong IP. I ssh’d into a different machine to debug the issue. Confirming the currently resolved IP is wrong: $ getent hosts evan-woodtower.local 172.17.0.1 evan-woodtower.local Restarting the avahi daemon seems to fix the … Read more
