avahi | Service Discovery for Linux using mDNS | DNS library
kandi X-RAY | avahi Summary
kandi X-RAY | avahi Summary
AVAHI SERVICE DISCOVERY SUITE. Avahi is a free, LGPL implementation of DNS Service Discovery (DNS-SD RFC 6763) over Multicast DNS (mDNS RFC 6762), commonly known as and compatible with Apple Bonjour primarily targetting Linux. Copyright 2004-2015 by the Avahi developers. IRC: #avahi on irc.freenode.org. AUTHORS: Lennart Poettering Trent Lloyd.
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QUESTION
I'm trying to run Redis Insight in Docker Compose and I always get errors even though the only thing I'm changing from the Docker Run command is the volume. How do I fix this?
docker-compose.yml
...ANSWER
Answered 2021-Mar-27 at 14:34Follow the below steps to make it work:
Step 1. Create a Docker Compose file as shown below:
QUESTION
Is there an elegant way to convert "test\207\128" into "testπ" in python?
My issue stems from using avahi-browse on Linux, which has a -p flag to output information in an easy to parse format. However the problem is that it outputs non alpha-numeric characters as escaped sequences. So a service published as "name#id" gets output by avahi-browse as "name\035id". This can be dealt with by splitting on the \, dropping a leading zero and using chr(35) to recover the #. This solution breaks on multi-byte utf characters such as "π" which gets output as "\207\128".
...ANSWER
Answered 2021-Mar-03 at 01:09The input string you have is an encoding of a UTF-8 string, in a format that Python can't deal with natively. This means you'll need to write a simple decoder, then use Python to translate the UTF-8 string to a string object:
QUESTION
I am creating a script that takes a group name, and it should print all the users and the groups they are in including the given one, but I still can't figure out how to do it properly, here is my code:
...ANSWER
Answered 2021-Jan-28 at 15:52Consider the following bash script;
QUESTION
I have a single board computer running. (1GByte - RAM) I started 11 different Docker containers via a Docker compose file and this worked! To be clear. I can docker-compose down - docker-compose up at any time. No Problem.
This is the docker stats for overview names replaced with xxx
...ANSWER
Answered 2021-Jan-13 at 08:34I found the problem myself. In my Docker compose file, I specified an order of containers via "depends_on". This order prevented my memory from filling up at once. However, after a reboot/crash the "restart:always" function kicked in and started all 11 containers at once.
Note: As docker-compose I also used a docker container (aarch64 - problems) which could possibly lead to this problem.
QUESTION
I have a problem and I don't know where to look for the problem. I'm running debian:buster and I'm trying to set it up as a jellyfin server.
I added the nessecary architecture (amd64).
...ANSWER
Answered 2021-Jan-05 at 10:21I found the answer by asking some smart people.
The error "exec format error" almost always refers to the architecture not being supported or other problems with it.
using dpkg to see architectures is not the correct way. It shows what architectures installed packages are allowed to use. Not what the host cpu architecture is.
QUESTION
Trying to set up a network printer with CUPS.
Followed online documentation that stated:
To discover or share printers using DNS-SD/mDNS, setup .local hostname resolution with Avahi and restart cups.service.
Followed directions for setting up Avahi to the point where avahi-browse --all --ignore-local --resolve --terminate
and avahi-resolve-host-name my-domain.local
are both working.
But getent hosts my-domain.local
fails to resolve. This results in CUPS failing to print because it can't find my-printer.local.
ANSWER
Answered 2020-Dec-06 at 05:36I read the mdns Github page and saw a note that made me think I didn't need a /etc/mdns.allow
file.
nss-mdns has a simple configuration file /etc/mdns.allow for enabling name lookups via mDNS in other domains than .local.
Note: The "minimal" version of nss-mdns does not read /etc/mdns.allow under any circumstances. It behaves as if the file does not exist.
In the recommended configuration, no /etc/mdns.allow file is present.
But then I saw the last note in that section:
If, during a request, the system-configured unicast DNS (specified in /etc/resolv.conf) reports an SOA record for the top-level local name, the request is rejected. Example: host -t SOA local returns something other than Host local not found: 3(NXDOMAIN). This is the unicast SOA heuristic.
I tested that out on my machine and sure enough, I was getting something OTHER than Host local not found...
.
Adding a /etc/mdns.allow
file with a line for .local.
and for .local
and now I can ping my-printer.local
.
QUESTION
I have heard its a conventional practice to store program dependent files in /usr/share/application-folder
in linux. So I'm trying to do it in my c program in a function called load_interface_files()
for example. I am not sure if this is a good practice or not, I've heard about creating configuration files for this kind of issues.
Anyways, here's the the code I wrote to make a directory in /usr/share
.
ANSWER
Answered 2020-Dec-01 at 04:25use ls -ld /usr/share
to see what the permissions on the directory are (without -d
, you get the contents and their permissions).
Use code like:
QUESTION
I am trying to resolve IPv4 and IpV6 from ".local" using multicast DNS and I tried https://github.com/posicks/mdnsjava but it unable to resolve required ipv4/ipv6. Alternatively, I found one app which work for me but have no idea how it works.
App Link : https://play.google.com/store/apps/details?id=com.dokoden.dotlocalfinder
Also I am trying to resolve ".local" using Linux
Terminal -
Command used to resolve ipv4
avahi-resolve-host-name abc.local -4
Command used to resolve ipv6
avahi-resolve-host-name abc.local -6
and it resolved successfully.
I am tried same command in Android to resolve ".local" but getting Cannot run program "avahi-resolve-host-name": error=13, Permission denied
I am trying this piece of code in Android -
...ANSWER
Answered 2020-Nov-24 at 01:27I am not 100% this will work, but as comment is was to large.
- check the following permissions in your
AndroidManifest.xml
QUESTION
I'm using a Raspberry Pi 4 Model B and i want to run the Openthread Border Router application on it as a docker container. I use the command docker run --sysctl "net.ipv6.conf.all.disable_ipv6=0 net.ipv4.conf.all.forwarding=1 net.ipv6.conf.all.forwarding=1" -p 8080:80 --dns=127.0.0.1 -dit --network test-driver-net --volume /dev/ttyACM0:/dev/ttyACM0 --name ot-br --privileged openthread/otbr --radio-url spinel+hdlc+uart:///dev/ttyACM0
to start the container. I have tried the openthread/otbr:latest
and the openthread/otbr:reference-device
(both pushed 10. Nov. 2020) image, both were having the same problem:
The container is started successfully, but the Web-GUI is not available and no network operation takes place. Here is the logged output of the containers if called upon with docker logs ot-br
:
ANSWER
Answered 2020-Nov-19 at 17:06This issue was recently fixed with openthread/ot-br-posix#614 and new Docker images have been pushed. Please try again.
QUESTION
Why does the following cut out the word root
on the second line and skew the output, not to be uniform to all the following lines?
ANSWER
Answered 2020-Oct-13 at 11:30When I launch this command, this is what I get:
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