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Questions tagged [systemd-journald]

89 questions
7
votes
3 answers

Is there a way to redirect all stdout and stderr to systemd journal from within script?

I like the idea of using systemd's journal to view and manage the logs of my own scripts. I have become aware you can log to journal from my user scripts on a per message basis.. echo 'hello' | systemd-cat -t myscript -p emerg Is there a way to…
deanresin
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5
votes
1 answer

Uber Zap Logger: how to prepend every log entry with a string

I am using my app as a SystemD service and need to prepend every message with an entry level for JournalD like: <6> this is info <7> this is debug <4> this is warning Otherwise, JournalD treats all the entries the same level and I want to…
IvanD
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4
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2 answers

linux command to read/monitor events from systemd-journald

I want to monitor the events and logs of systemd-journal. Didn't find any commands i can use for the same. I am looking for something like 'tail -100f' which can show me the decoded events of systemd-journal
DockerNaughty
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4
votes
1 answer

Out of order logs between FluentD and FluentBit

I'm currently using JournalD + JournalBeat + Logstash as logging stack but I want to switch to using JournalD + FluentD. I tried using https://github.com/fluent-plugin-systemd/fluent-plugin-systemd as a input for FluentD but it results in a low…
Jonathan Erlich
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4
votes
3 answers

Systemd service and structured logging

I have a systemd service which is of type simple. I want my service to log key-value pairs. Up to now my simple service just prints it log to stdout in a custom key-value syntax. I would like to avoid my custom key-value syntax it use an official…
guettli
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3
votes
1 answer

capture journald properties with rsyslog

I am struggling on how to capture systemd-journald properties into rsyslog files. My setup ubuntu inside docker on arm (raspberrypi): FROM arm64v8/ubuntu:20.04 docker command (all subsequent actions taken inside running docker container) $ docker…
woodz
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3
votes
0 answers

journalctl remove fields starting with underscore

journalctl has a --output-fields flag that allows for printing of some fields --output-fields= A comma separated list of the fields which should be included in the output. This has an effect only for the output modes…
Reimundo Heluani
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3
votes
1 answer

kubernetes pod logging broken with journald logging driver

Looks like journald pod logging ('kubectl logs' command) doesn't work with kubernetes v1.18.x. Is there a way to make this work with v1.18.x? I've set up a multinode cluster with docker logging driver as 'journald' (using /etc/docker/daemon.json)…
Abhay
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3
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0 answers

Error starting docker service. "A dependency job for docker.service failed. See 'journalctl -xe' for details."

So, after some minor changes in the docker configuration I tried to restart docker and it resulted in below error message: A dependency job for docker.service failed. See 'journalctl -xe' for details. Kubernetes is also running on the same machine…
viveksinghggits
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2
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0 answers

Why doesn't 'journalctl -u kubelet -f' command get all logs?

When i command journalctl -f I can get below logs. Jan 20 16:28:49 node1 kubelet[1237]: I0120 16:28:49.858522 1237 scope.go:110] "RemoveContainer" containerID="6ff68682a6151eaecce82b16ca6bbc23ce44e71aedd871e5816dec1989a6ac7d" Jan 20 16:28:49…
sun
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2
votes
2 answers

journald *reading* API?

journald writes binary log files; and their format is explicitly subject to change. The Journald Reference Guide tells us, quote: While it can be useful to get used to journalctl to read logs, it’s by no means mandatory. So, how can we read these…
foo
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2
votes
1 answer

journalctl output format without timestamp but with specific output-fields

I use journalctl and want to use an output format with which I can specify the output fields to be shown. These are for example verbose or json. But as soon as I set these output formats, a giant UTC timestamp is automatically also added which…
regatta
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2
votes
1 answer

how to make rust log into journalctl using release binary

I developed some stuff in rust and I log some errors or warnings. I 'm using systemd_journal_logger lib to do the job. It works fine until I compile and try to use relase binary. As debug symbols are not present in it and it simply cannot log. Is…
Vanderci Curvelo Junior
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2
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0 answers

Journald SystemMaxUse when machine-id changes

I am using journald on an embedded system for logging to a persistant drive. The maximum stored logs are limited using the config parameter SystemMaxUse= and log rotation enabled. This works fine, until the systemd machine-id changes during software…
Martin H.
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2
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0 answers

Redirect/forward ROS logs to journald

I have a C/C++ application which runs by ROS2 eloquent with different nodes each of which logs some information under .ros/log. My question is is there any way to redirect/forward ROS logs to journald service of Linux (so that ros log files under…
Keivan
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