journalctl -f
journalctl CONTAINER_NAME=my-docker-container
journalctl --since "2020-12-01 17:15:00" CONTAINER_NAME=my-docker-container
journalctl --since 09:00 --until "1 hour ago" CONTAINER_NAME=my-docker-container
journalctl -u kafka.service --since today
journalctl --disk-usage
journalctl --since "2021-01-20 10:00:00" --until "2021-01-20 17:00:00" CONTAINER_NAME=my-docker-container
journalctl -fu docker
if journald show such messages : systemd-journald[...]: Suppressed 42 messages from ...)
Tune the configuration in /etc/systemd/journald.conf
| /etc/systemd/journald.conf
:
RateLimitInterval=0
RateLimitBurst=0
Defaults come with RateLimitInterval=30s
& RateLimitBurst=1000
.
=> systemctl restart systemd-journald