Synchronization and backup programs
https://wiki.archlinux.org/index.php/Synchronization_and_backup_programsDash
https://wiki.archlinux.org/index.php/Dashcrontab.guru - the cron schedule expression editor
https://crontab.guruCrontab Generator - Generate crontab syntax
https://crontab-generator.org/Shinken Monitoring - Index
http://www.shinken-monitoring.org/Grapher - Mode d'emploi
http://macetprof.free.fr/MacEtProf/Grapher_files/GrapherManuel05112009.pdfBrowsh - text-based browser
https://www.brow.sh/