initial commit

LICENSE

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+MIT License
+
+Copyright (c) 2023 Allan Christensen
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+## Clear journal log
+
+### Prerequisites
+Ubuntu 20.04 or higher.
+
+### Download the script
+```
+git clone https://git.x-files.dk/ubuntu-server/clear-journal-log.git
+```
+
+### Usage
+    cd clear-journal-log
+    sudo ./clear-journal-log
+
+### Note
+    A crontab entry performing cleanup of journalctl will be added. This this job runs every Sunday at 02:00
+
+### Postinstall
+Nothing to do.
+
+### More guides
+More guides can be found on [\[wiki.x-files.dk\]](https://wiki.x-files.dk)
+
+### Last tested
+January 12th 2024 on Ubuntu 22.04.

clear-journal-log

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+#!/bin/bash
+
+######################################################################
+# First Created: 23112022 Author: Allan Desc: Clears the journal log #
+######################################################################
+
+#
+# Are we root
+#
+if [[ $(id -u) -ne 0 ]]; then printf "\nMust be root or use sudo!\n\n"; exit; fi
+#
+# Are we in the right directory
+#
+scriptdir="clear-journal-log" && whereami=$(pwd |awk -F'/' '{print $NF}')
+if [ $whereami != $scriptdir ]; then printf "\nWrong directory! Script must be run from $scriptdir\n\n"; exit 1; fi
+#
+# Define variables and functions
+#
+cronjob01="0 2 * * 7     root    /usr/local/bin/clear-journal-log >/dev/null 2>&1"
+#
+# Clear journal log script
+#
+script="
+#!/bin/bash
+
+######################################################################
+# First Created: 23112022 Author: Allan Desc: Clears the journal log #
+######################################################################
+
+#
+# Define variables and functions
+#
+logfile=\"/var/log/cleanupjournal.log\"
+line () { for i in {1..100}; do echo -n \"\$1\"; done && printf \"\\n\"; }
+datenow=\$(date +\"%d-%m-%Y %H:%M\")
+#
+# Clear journal log
+#
+line '-' > \$logfile
+diskusage=\$(journalctl --disk-usage)
+printf \"\$datenow Before Cleanup: \$diskusage\\n\" >> \$logfile
+journalctl --rotate >/dev/null 2>&1
+journalctl --vacuum-time=1d >/dev/null 2>&1
+diskusage=\$(journalctl --disk-usage)
+printf \"\$datenow After  Cleanup: \$diskusage\\n\" >> \$logfile
+line '-' >> \$logfile
+"
+#
+# Create clear journal log script in /usr/local/bin
+#
+printf '%s\n' "${script[@]}" |sed '$d' |tail -n +2 > /usr/local/bin/clear-journal-log
+chmod +x /usr/local/bin/clear-journal-log
+echo "$cronjob01" > /etc/cron.d/clear-journal-log
+#
+# Restart cron
+#
+systemctl restart cron.service
+#
+# End of script
+#