Edit file File name : man-db.service Content :[Unit] Description=Daily man-db regeneration Documentation=man:mandb(8) ConditionACPower=true [Service] Type=oneshot # Recover from deletion, per FHS. ExecStart=+/usr/bin/install -d -o man -g man -m 0755 /var/cache/man # Expunge old catman pages which have not been read in a week. ExecStart=/usr/bin/find /var/cache/man -type f -name *.gz -atime +6 -delete # Regenerate man database. ExecStart=/usr/bin/mandb --quiet User=man Nice=19 IOSchedulingClass=idle IOSchedulingPriority=7 Save