You've already forked journal-log-ubuntu
62 lines
1.4 KiB
Plaintext
62 lines
1.4 KiB
Plaintext
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#!/usr/bin/env bash
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# Author : Allan Christensen
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# First Created : 23-11-2021 (DD-MM-YYYY)
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# Description : Clears the journal log once a week on Ubuntu 24.04
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# License : MIT License
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#
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# Are we root
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#
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if [[ $(id -u) -ne 0 ]]; then printf "\nMust be root or use sudo!\n\n"; exit; fi
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#
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# Create cron job
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#
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cronjob01="0 2 * * 7 root /usr/local/sbin/clear-journal-log >/dev/null 2>&1"
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echo "$cronjob01" > /etc/cron.d/clear-journal-log
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echo "" >> /etc/cron.d/clear-journal-log
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#
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# Ensure correct permissions for /etc/cron.d entries
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#
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chmod 644 /etc/cron.d/clear-journal-log
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chown root:root /etc/cron.d/clear-journal-log
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#
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# Create script to clear the journal log executed by cron
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#
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cat > /usr/local/sbin/clear-journal-log <<EOF
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#!/usr/bin/env bash
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logfile="/var/log/clear-journal.log"
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line () { for i in {1..100}; do echo -n "$1"; done && printf "\n"; }
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datenow=$(date +"%d-%m-%Y %H:%M")
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# Clear journal log
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line '-' > "$logfile"
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diskusage=$(journalctl --disk-usage)
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printf "%s Before Cleanup: %s\n" "$datenow" "$diskusage" >> "$logfile"
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journalctl --rotate >/dev/null 2>&1
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journalctl --vacuum-time=3d >/dev/null 2>&1
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diskusage=$(journalctl --disk-usage)
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printf "%s After Cleanup: %s\n" "$datenow" "$diskusage" >> "$logfile"
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line '-' >> "$logfile"
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EOF
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chmod 755 /usr/local/sbin/clear-journal-log
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#
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# Restart cron
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#
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systemctl restart cron.service
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#
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# All done
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#
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printf "\nAll Done...\n"
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#
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# End of script
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#
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