latest commit

LICENSE

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+MIT License
+
+Copyright (c) 2025 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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+# Journal Log Auto-Cleanup for Ubuntu 24.04 Server  
+[![OS](https://img.shields.io/badge/ubuntu-24.04-E95420)](#)
+[![Shell](https://img.shields.io/badge/shell-bash-121011)](#)
+[![Feature](https://img.shields.io/badge/feature-journal_cleanup-0078D7)](#)
+[![License](https://img.shields.io/badge/License-MIT-green)](./LICENSE)
+
+Auto-cleanup systemd journal logs on Ubuntu 24.04 server.
+
+This is not a test script.  
+This is designed for stable long-term use with predictable disk usage.
+
+## Why this installer exists
+System logs grow silently until they cause trouble. This prevents that automatically.
+
+## What this installer does  
+✔ Weekly rotation + vacuum cleanup  
+✔ Keeps only last 3 days of logs  
+✔ Lightweight, hands-off operation  
+✔ Fully automated via cron  
+
+## What this installer does *NOT* do
+It won’t stop you from running the script without reading the documentation like there’s no tomorrow.  
+Skip the README, and whatever happens next is your headache, not a bug report.
+
+---
+
+## 1. Download
+
+```
+git clone https://git.x-files.dk/server/journal-log-ubuntu.git
+```
+
+```
+cd journal-log-ubuntu
+```
+
+---
+
+## 2. Install
+
+```
+sudo ./journal-log-ubuntu
+```
+
+This creates a cron-executed cleanup script at:
+
+```
+/usr/local/sbin/clear-journal-log
+```
+
+and registers a weekly schedule under:
+
+```
+/etc/cron.d/clear-journal-log
+```
+
+---
+
+## 3. Schedule Details
+
+Cleanup runs automatically:
+
+| Action | When |
+|---|---|
+| Journal rotation + vacuum | Every Sunday @ 02:00 |
+| Log retention window | 3 days |
+| Output log | `/var/log/clear-journal.log` |
+
+You don't need to add cron jobs — installer handles everything.
+
+---
+
+## 4. Verify Log Rotation
+
+Check last run:
+
+```
+cat /var/log/clear-journal.log
+```
+
+You should see:
+
+✔ size before cleanup  
+✔ size after cleanup  
+✔ timestamped header + footer  
+
+---
+
+### Post-Install
+
+Nothing else required — scheduling is automatic.
+
+---
+
+### More Information
+
+More guides and documentation can be found on [wiki.x-files.dk](https://wiki.x-files.dk)
+
+---
+
+### License
+Licensed under the [MIT License](./LICENSE).
+
+---

journal-log-ubuntu

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+#!/usr/bin/env bash
+
+# Author        : Allan Christensen
+# First Created : 23-11-2021 (DD-MM-YYYY)
+# Description   : Clears the journal log once a week on Ubuntu 24.04
+# License       : MIT License
+
+#
+# Are we root
+#
+if [[ $(id -u) -ne 0 ]]; then printf "\nMust be root or use sudo!\n\n"; exit; fi
+
+#
+# Create cron job
+#
+cronjob01="0 2 * * 7     root    /usr/local/sbin/clear-journal-log >/dev/null 2>&1"
+echo "$cronjob01" > /etc/cron.d/clear-journal-log
+echo "" >> /etc/cron.d/clear-journal-log
+
+#
+# Ensure correct permissions for /etc/cron.d entries
+#
+chmod 644 /etc/cron.d/clear-journal-log
+chown root:root /etc/cron.d/clear-journal-log
+
+#
+# Create script to clear the journal log executed by cron
+#
+cat > /usr/local/sbin/clear-journal-log <<EOF
+#!/usr/bin/env bash
+
+logfile="/var/log/clear-journal.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 "%s Before Cleanup: %s\n" "$datenow" "$diskusage" >> "$logfile"
+journalctl --rotate >/dev/null 2>&1
+journalctl --vacuum-time=3d >/dev/null 2>&1
+diskusage=$(journalctl --disk-usage)
+printf "%s After  Cleanup: %s\n" "$datenow" "$diskusage" >> "$logfile"
+line '-' >> "$logfile"
+EOF
+
+chmod 755 /usr/local/sbin/clear-journal-log
+
+#
+# Restart cron
+#
+systemctl restart cron.service
+
+#
+# All done
+#
+printf "\nAll Done...\n"
+
+#
+# End of script
+#

last-tested

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+------------------------------------
+Last tested: 19-12-2025 (DD-MM-YYYY)
+Environment: Ubuntu Server 24.04 LTS
+------------------------------------