lsd@Crawler-E25:~$ systemd-analyze cat-config systemd/journald.conf
# /etc/systemd/journald.conf
#  This file is part of systemd.
#
#  systemd is free software; you can redistribute it and/or modify it under the
#  terms of the GNU Lesser General Public License as published by the Free
#  Software Foundation; either version 2.1 of the License, or (at your option)
#  any later version.
#
# Entries in this file show the compile time defaults. Local configuration
# should be created by either modifying this file, or by creating "drop-ins" in
# the journald.conf.d/ subdirectory. The latter is generally recommended.
# Defaults can be restored by simply deleting this file and all drop-ins.
#
# Use 'systemd-analyze cat-config systemd/journald.conf' to display the full config.
#
# See journald.conf(5) for details.

[Journal]
#Storage=auto
#Compress=yes
#Seal=yes
#SplitMode=uid
#SyncIntervalSec=5m
#RateLimitIntervalSec=30s
#RateLimitBurst=10000
#SystemMaxUse=
#SystemKeepFree=
#SystemMaxFileSize=
#SystemMaxFiles=100
#RuntimeMaxUse=
#RuntimeKeepFree=
#RuntimeMaxFileSize=
#RuntimeMaxFiles=100
#MaxRetentionSec=
#MaxFileSec=1month
#ForwardToSyslog=no
#ForwardToKMsg=no
#ForwardToConsole=no
#ForwardToWall=yes
#TTYPath=/dev/console
#MaxLevelStore=debug
#MaxLevelSyslog=debug
#MaxLevelKMsg=notice
lsd@Crawler-E25:~$ ls
Desktop  Documents  Downloads  Music  nick.cer  nick.key  nick.pem  Pictures  Public  q2pro  snap  steam-1888930.log  Templates  Videos
lsd@Crawler-E25:~$ cd /etc/systemd/journald.conf.d/
lsd@Crawler-E25:/etc/systemd/journald.conf.d$ ls
maksymalny_czas.conf
lsd@Crawler-E25:/etc/systemd/journald.conf.d$ cat maksymalny_czas.conf
[Journal]
MaxFileSec=2day
lsd@Crawler-E25:/etc/systemd/journald.conf.d$