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File name : update-motd-fsck-at-reboot

Content :#!/bin/sh # Authors: # Mads Chr. Olesen <mads@mchro.dk> # Kees Cook <kees@ubuntu.com> set -e # poor mans force if [ "$1" = "--force" ]; then NEEDS_FSCK_CHECK=yes else if [ "$(id -u)" != 0 ] ; then exit fi NEED_FSCK_CHECK=no fi # check time when we did the last check stamp="/var/lib/update-notifier/fsck-at-reboot" if [ -e "$stamp" ]; then stampt=$(stat -c %Y $stamp) else stampt=0 fi # check time when we last booted last_boot=$(date -d "now - $(awk '{print $1}' /proc/uptime) seconds" +%s) now=$(date +%s) if [ $(($stampt + 3600)) -lt $now ] || [ $stampt -gt $now ] \ || [ $stampt -lt $last_boot ] then #echo $stampt $now need update NEEDS_FSCK_CHECK=yes fi # output something for update-motd if [ -n "$NEEDS_FSCK_CHECK" ]; then { check_occur_any= ext_partitions=$(mount | awk '$5 ~ /^ext(2|3|4)$/ { print $1 }') for part in $ext_partitions; do dumpe2fs_out=$(dumpe2fs -h $part 2>/dev/null) mount_count=$(echo "$dumpe2fs_out" | grep "^Mount count:"|cut -d':' -f 2-) if [ -z "$mount_count" ]; then mount_count=0; fi max_mount_count=$(echo "$dumpe2fs_out" | grep "^Maximum mount count:"|cut -d':' -f 2-) if [ -z "$max_mount_count" ]; then max_mount_count=0; fi check_interval=$(echo "$dumpe2fs_out" | grep "^Check interval:" | cut -d':' -f 2- | cut -d'(' -f 1) if [ -z "$check_interval" ]; then check_interval=0; fi next_check_date=$(echo "$dumpe2fs_out" | grep "^Next check after:" | cut -d':' -f 2-) if [ -z "$next_check_interval" ]; then next_check_interval=0; fi next_check_tstamp=$(date -d "$next_check_date" +%s) #echo "next_check_date=\"$next_check_date\" next_check_tstamp=\"$next_check_tstamp\"" #echo "part=\"$part\" mount_count=\"$mount_count\" / max=\"$max_mount_count\" " check_occur= # Check based on mount counts? if [ "$max_mount_count" -gt 0 -a \ "$mount_count" -ge "$max_mount_count" ]; then check_occur=yes fi # Check based on time passed? if [ "$check_interval" -gt 0 -a \ "$next_check_tstamp" -lt "$now" ]; then check_occur=yes fi if [ -n "$check_occur" ]; then check_occur_any=yes mountpoint=$(mount | grep "^$part" | cut -d ' ' -f 3) pass=$(grep -v '^#' /etc/fstab | tr -s ' ' '\t' | cut -s -f 2,6 | grep -w "$mountpoint" | cut -f 2) if [ "$pass" = "0" ]; then echo "*** $part should be checked for errors ***" else echo "*** $part will be checked for errors at next reboot ***" fi fi done if [ -n "$check_occur_any" ]; then echo "" fi } > $stamp fi # output what we have (either cached or newly generated) cat $stamp

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