Bueller?
Ok So I've installed Knoppix (DSL flavor actually) to my harddrive and then used
to convert my ext2 to an ext3 filesystem. The system is a digital picture frame so typically there isn't a keyboard hooked up. I would like to implement a method similar to what Smoothwall uses for automatically rebooting after checking the filesystem for errors (in the event it gets turned off without a proper shutdown).Code:# tune2fs -j
From the smoothwall forums:
/etc/rc.d/rc.sysinit
But I'm not sure if this is the right place in the Knoppix start up procedure. I've tried setting my /dev/hda1 to readonly in /etc/fstab but it seems like Knoppix ignores this. Can anyone assist me in this endevour?Code:# A return of 2 or higher means there were serious problems. if [ $RC -gt 1 ]; then export PS1="(Repair filesystem) \# # " if [ $RC -lt 4 ]; then echo "$STRING: Repaired." echo "*** Reboot required. The system will reboot in 30 seconds." sulogin -t 30 else echo "$STRING: Failed" echo "*** An error occurred during the file system check." echo "*** Dropping you to a shell; the system will reboot" echo "*** when you leave the shell." sulogin fi echo "Unmounting filesystems" umount -a mount -n -o remount,ro / echo "Automatic reboot in progress." reboot -f fi
http://www.frontiernet.net/~beakmyn/pictureframe
Bueller?
Ok so I got a chance to read through knoppix-autoconfig. It seems that at line 472
Code Sample
Code:if [ -n "$INSTALLED" ]; then echo "${BLUE}Running from HD, checking filesystems...${NORMAL}" # We are running from HD, so a file system check is recommended [ -f /etc/init.d/checkroot.sh ] && /etc/init.d/checkroot.sh [ -f /etc/init.d/checkfs.sh ] && /etc/init.d/checkfs.sh fi # / must be read-write in any case, starting from here mount -o remount,rw / 2>/dev/null if [ -n "$INSTALLED" ]; then echo -n "${BLUE}Running from HD, regenerate ld.so.cache and modules.dep...${NORMAL}" # Regenerate ld.so.cache and module dependencies on HD ldconfig; depmod -a 2>/dev/null echo "" fi
So maybe checkfs.sh is the place for the reboot script?
But at Line 925
Code Sample
Code:# Start creating /etc/fstab with HD partitions and USB SCSI devices now if checkbootparam "nofstab"; then echo " ${BLUE}Skipping /etc/fstab creation as requested on boot commandline.${NORMAL}" else echo -n "${BLUE}Scanning for Harddisk partitions and creating ${YELLOW}/etc/fstab${BLUE}... " rebuildfstab -r -u knoppix -g knoppix >/dev/null 2>&1 if [ -e /var/run/rebuildfstab.pid ]; then # Another instance of rebuildfstab, probably from hotplug, is still running, so just wait. sleep 8 fi echo "${GREEN}Done.${NORMAL}" fi
It seems there is a nofstab option. Is this why DSL is not reading my /etc/fstab?
Then there's this at line 1030
Code Sample
So, it appears there's at least 3 spots I could possibly modify. I'd rather have /mnt/hda1 be readonly to begin with then I don't have to worry about corruption, but then I'm not sure which portion I need to modify.Code:fstype(){ case "$(file -s $1)" in *[Ff][Aa][Tt]*|*[Xx]86*) echo "vfat"; return 0;; *[Rr][Ee][Ii][Ss][Ee][Rr]*) echo "reiserfs"; return 0;; *[Xx][Ff][Ss]*) echo "xfs"; return 0;; *[Ee][Xx][Tt]3*) echo "ext3"; return 0;; *[Ee][Xx][Tt]2*) echo "ext2"; return 0;; *data*) echo "invalid"; return 0;; *) echo "auto"; return 0;; esac } # Try to mount this filesystem read-only, without or with encryption trymount(){ # Check if already mounted case "$(cat /proc/mounts)" in *\ $2\ *) return 0;; esac # Apparently, mount-aes DOES autodetect AES loopback files. [ -b "$1" ] && { mount -t auto -o ro "$1" "$2" 2>/dev/null; RC="$?"; } # We need to mount crypto-loop files with initial rw support [ -f "$1" ] && { mount -t auto -o loop,rw "$1" "$2" 2>/dev/null; RC="$?"; } # Mount succeeded? [ "$RC" = "0" ] && return 0 echo "" echo "${CYAN}Filesystem not autodetected, trying to mount $1 with AES256 encryption${NORMAL}" a="y" while [ "$a" != "n" -a "$a" != "N" ]; do # We need to mount crypto-loop files with initial rw support mount -t auto -o loop,rw,encryption=AES256 "$1" "$2" && return 0 echo -n "${RED}Mount failed, retry? [Y/n] ${NORMAL}" read a done return 1 }
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