Questions tagged [avahi]

Avahi is a system which facilitates service discovery on a local network via the mDNS/DNS-SD protocol suite. This enables you to plug your laptop or computer into a network and instantly be able to view other people who you can chat with, find printers to print to or find files being shared.

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Can't resolve hostname.local on LAN

I used to be able to ssh user@hostname.local between machines on my LAN but it is no longer working. I can ssh using the IP of course, but it's DHCP so it may change from time to time. Both machines ...
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Are Avahi and Bonjour compatible?

I would like to set up a network printer on my Linux desktop (Parabola GNU/Linux, derivative of Arch) so that my wife can connect to it with her Macbook. I understand that Linux uses Avahi to share ...
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what is avahi Daemon ? and why linux has avahi user?

I just learning about daemon, by that time I came know avahi daemon can you please explain detaily about avahi daemon and why linux has a avahi user ?
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Routing zeroconf interfaces

Please excuse the long description here, but I think it's worth explaining the setup before asking the question: I have 2 usb Ethernet devices connected to my machine (debian) which configure ...
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avahi-browse -r -a -l , does not resolve IP addresses of the service published , any idea?

avahi-daemon.conf: [server] #host-name=foo #domain-name=local #browse-domains=0pointer.de, zeroconf.org use-ipv4=yes use-ipv6=no allow-interfaces=eth0 deny-interfaces=eth1 #check-response-ttl=no #use-...
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1answer
58 views

forwarding avahi-daemon socket to chroot

I have a raspberry pi 3b+ installed with raspbian stretch and I have installed an i386 chroot. The problem is the CUPS server require avahi-daemon for printer discovery and I haven't been able to ...
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71 views

avahi-daemon fails to start in chroot i386 on raspberry p

This is on a raspberry pi 3b+, with raspbian installed (stretch) I have installed a chroot according to this: https://www.novaspirit.com/2019/04/15/run-x86-arm/ After, I installed it, I planned to ...
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184 views

Bonjour/Zeroconf not working properly on Ubuntu 18.04

I have a raspberry pi (Raspian) running a nodejs http page. The pi has a hostname and uses Avahi to advertise it. I have the Bonjour service running on my Windows PC and I can access the page just ...
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1answer
555 views

SSH is unable to resolve local domain names

I'm trying to connect to several computers via their hostnames since they get their IP via DHCP. I can successfully ping the machines via ping host-01.local. ping, wget, avahi-resolve and even ...
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1answer
1k views

Is it advisable to remove Avahi and CUPS-browse?

From time to time, Avahi takes 100% CPU and CUPS-browse delays the system shutdown with the message "a stop job is running for make remote cups printers available locally". I know Avahi finds ...
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331 views

How does avahi enable mDNS and expose it via LAN with ipv6 compared to Apple's mDNSResponder?

I'm using a device with Linux 4.9 and systemd-networkd. With ipv4 everything is ok, so I want to talk only of ipv6. In fact, I completely disabled ipv4 to use ipv6 with DHCP. So this is my initial ...
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systemd.networkd: how to set default link-local address?

systemd-networkd: Is it possible to configure default link-local address, which will be tried as the first one? Something like '--start=' parameter for avahi-autoipd.
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How to configure ipv4 Link-Local on Linux with systemd-networkd without violating RFC3927 specifications?

I'm using an embedded device with Linux 4.9 and systemd. I configured systemd-networkd in this way: [Match] Name=eth0 [Network] DHCP=v4 [DHCPv4] UseHostname=false How can I setup Link-Local only ...
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1answer
80 views

How can I limit engagement with a large office LAN?

I work in a large office building with hundreds of other computers on the same LAN. I don't have any reason to communicate with most of these computers, and when I do, it's always on an "opt-in" basis ...
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1answer
578 views

Debugging mDNS with Avahi across Linux and macOS

I have a network of elementary Loki (Ubuntu 16.04) computers at home which work great and can be accessed over mDNS/Avahi. ping juggernaut.local works as expected, and I can reach hosts both ways over ...
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can't boot Linux due to Login service failing to start

I am having a bit of trouble with my linux mint 18.3 (based on Ubuntu 16.04) since I can't manage to properly boot it on my computer. I have a dual-boot and windows launch properly, so there is that. ...
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1answer
312 views

Converting 'ifconfig wlan0:avahi …' command to use ip instead of ifconfig

I am currently working on setting up a wireless mesh network using babeld as the routing algorithm. The documentation is very sparse, and most of the configuration guides I've seen online are using ...
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2answers
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Why does Avahi see my network printer but CUPS doesn't?

I've set up .local hostname resolution, started cups-browsed and restarted org.cups.cupsd.service. avahi-browse shows the WiFi printer: $ avahi-browse --all --ignore-local | head --lines=1 | tr --...
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Why is the status message for avahi-daemon.service permanently “starting up”?

$ systemctl status avahi-daemon ● avahi-daemon.service - Avahi mDNS/DNS-SD Stack Loaded: loaded (/usr/lib/systemd/system/avahi-daemon.service; enabled; vendor preset: enabled) Active: active (...
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815 views

Cannot receive DHCP OFFER

Recently my ethernet connection can't work. Seems that I can't receive DHCP OFFER sending by the DHCP server. My computer : OS : Ubuntu 17.10 Kernel : Linux version 4.13.0-38-generic (buildd@lgw01-...
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Where can I find the drivers of a Unix printer? (Arch)

Earlier today I went to the AUR repository and downloaded this driver https://aur.archlinux.org/packages/brother-hll2340dw/ for my printer. It turns out, I didn't even need a driver at all and Avahi/...
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How to publish multiple IP addresses belonging to different interfaces of the same device through Avahi Daemon?

I have a Raspberry Pi 3 Model B. I'm using it as a local Web Server. I want to publish the IP address of the Server on the local network for which I've used Avahi Daemon. My Pi has two interfaces, ...
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2answers
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avahi-browse -a does not show any results

I have avahi-daemon running on a Debian 9.1 server, however avahi-browse -a does not display any services in my home network, consisting of a single 192.168.178.0/24 network. I can access all clients ...
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1answer
315 views

Reliable network client discovery (not mDNS?)

I have (Linux-based) devices on a DHCP/ IPv4 network whose UI is via browser/ mobile app (over the LAN.) The tricky part is discovery of the device's IP address. We've been trying to use mDNS/ DNS-...
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2answers
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avahi-daemon and “.local” domain issues

I have a Ubuntu 16.04 based HTPC/Media Server that's running 24/7. As far as I can remember using an official Ubuntu distro, I've always had issues with the avahi-daemon. The issue is pretty often ...
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408 views

Avahi seems to stop publishing/refreshing services after a while

Firstable, I looked up to several Q/A, i can ensure that the following points are fullfiled: IGMP snooping isn't filtered by switch/router. Bonjour services (mDNSResponder.exe) is granted and allowed ...
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1k views

Using link-local address for crossover network connection

I would like to use link-local address to connect an embedded device (running systemd-networkd) to a PC (Ubuntu, Win, OS X) using a crossover cable (no switch or DHCP server). When I connect over a ...
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1answer
377 views

IP4LL: what is it?

On a desktop Debian Jessie GNU/Linux install, the file /etc/resolvconf/update-libc.d/avahi-daemon contains: #!/bin/sh # # If we have an unicast .local domain, we immediately disable avahi to avoid # ...
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1answer
3k views

cups unable to communicate with avahi-daemon when running as a service

I'm finishing setting up my Raspberry Pi in a read-only mode and cups service seems to be the last thing that is causing me issues. As cups writes the config to /etc, I decided to mount /etc/cups as ...
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1answer
2k views

Loosing IPv4 and DHCP constantly asking for IP

Using Ubuntu 16.04, almost every day I'm loosing IPv4 address, being dropped by Avahi Daemon. Also, I see the DHCP is not "waiting" for leasing time to finish to request an address again, it does it ...
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1answer
133 views

i can't open, ping,.. any domain after upgrade debian

after upgrade debian i cannot open or ping any domain even in firefox (but i havnt any problem via proxy). for example wget: unable to resolve host address ‘google.com’ but i can work with ip (add ...
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273 views

Avahi on FreeBSD: Machine is Seen but Does Not See

I have a FreeBSD 10.3 box with Avahi 0.6.31 which is visible to the other machines on my network, but which is itself unable to resolve any names in the .local domain. That is to say, all the other ...
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1answer
97 views

Why does `hostname.local` resolution fail

I have a number of Linux machines, all with avahi running and a few Macs, all on the same local network. I often use ssh between pairs of machines, using hostname.local as the address. Most times ...
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1answer
985 views

Installing Avahi on FreeBSD - Daemon Doesn't Start

I've just installed package avahi-app-0.6.31_5 on a fairly-clean FreeBSD 10.3, but the service isn't starting on its own. I've consulted the documentation and discovered that there isn't any. Can ...
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1answer
4k views

How to directly connect two machines over ethernet without static IPs?

Question: How can I set up two machines, so that when I directly connect them together with an ethernet cable, one machine can connect to the other? I'm looking for a solution that does not involve ...
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2answers
2k views

avahi-daemon fails to start with “Failed to chroot(): Permission denied”. But only without stderr-IO-redirection

After a recent upgrade, avahi-daemon is not starting up anymore. Furthermore, the behaviour differs whether if I redirect stderr to a file or not. If I run avahi with the debugging option (avahi-...
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1answer
2k views

when using avahi, how can a host know if it's name is hostname.local or hostname-2.local

How can a computer running avahi ascertain and display its OWN hostname in the event that it is dynamically changed to foo-2, foo-3, etc due to hostname conflicts with other devices on the network? ...
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1answer
538 views

Why avahi-browse doesn't list my link-local address when coupled with a static configuration?

Given the following configuration: auto eth0 allow-hotplug eth0 iface eth0 inet static gateway 192.168.0.1 address 192.168.0.25 netmask 255.255.255.0 post-up /...
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avahi : How to associate hostname with address of eth0:avahi generated by avahi-autoipd?

am using avahi on a freescale imx6 board with a custom linux system (build by buildroot). So I use avahi for address allocation (eth0:avahi) and hostname resolution. My freescale imx6 board also uses ...
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1answer
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avahi-daemon withdraws IP address from my network interface

I am running an Arch Linux server in my local network. It has avahi-daemon running on it to advertise some services (like a print server). It has happened for the second time now that my server was ...
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2answers
1k views

How to have a device's IP discovered in a network in a simple manner?

At the startup I work, we're setting up a device for image capturing and analysis. It's a box with a camera, with Ubuntu Linux embedded, and, let's assume, we don't want to connect a monitor to this ...
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156 views

Configuring a Linux Wi-Fi access point to redirect a one-word URL to http://192.168.42.1:8888

I've created a Wi-Fi access point on a Linux box (thanks to hostapd). I'm trying to make it easy for clients to access the Freenet service that's running on said box. Ideally, the user would be able ...
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2answers
5k views

Multicasting multiple mdns names

What I would like is to use avahi-daemon to multicast more then one name. So that I could connect to it with domainA.local domainB.local. I could then reroute these addresses to a different web ...
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3answers
33k views

How to disable avahi-daemon without uninstalling it

I am running Kali 2.0 64-bit, and I recently noticed that avahi-daemon is starting at boot time, listening on several udp ports. How do I disable it completely, without purging the package itself? I ...
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1answer
770 views

Printing in Debian Jessie Without avahi

I'm looking for a way to print to a networked HP LaserJet 600 M602 in Debian Jessie and I can't seem to find a solution that does not pull in avahi as a dependency. I don't want avahi because it ...
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0answers
2k views

“avahi-daemon[1540]: server.c: Packet too short or invalid while reading response record. (Maybe a UTF-8 problem?)”

We are developing an application in Java for our internal project. Apache-Tomcat-7.0.57 is running on a Linux machine (Red Hat 4.4.6-4). But it throws an error avahi-daemon[1540]: server.c: Packet ...
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1answer
5k views

mDNS to/from a Docker container

I've made a Docker container which runs a forked-daapd (a DAAP server publishing over mDNS with a single port 3689 for HTTP requests) and exposes the port properly to the host operating system: sudo ...
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2answers
681 views

Using a non-standard location for avahi services

I want to use avahi on a system with a read-only rootfs where /etc is not writable. I can start avahi-daemon with the -f option to specify a non-standard location for the avahi-daemon.conf file (...
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2answers
3k views

How to search .local?

I just set up my new Pi2 with Raspbian. All works well, I installed avahi, so that I can reach the Pi via raspberrypi.local. However, the Pi does not find my MacBook, which is usually resolvable via ...
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2answers
9k views

Avahi commands not working in CentOS

I want to use Avahi tools for mDNS service discovery in CentOS 6.6. I have installed the following packages: avahi, avahi-tools, nss-mdns. I checked the Avahi daemon and it is running: $ service ...