NetBSD/distrib/miniroot/install.sub

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#!/bin/sh
# $NetBSD: install.sub,v 1.2 1996/02/28 00:47:43 thorpej Exp $
#
# Copyright (c) 1996 The NetBSD Foundation, Inc.
# All rights reserved.
#
# This code is derived from software contributed to The NetBSD Foundation
# by Jason R. Thorpe.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# 3. All advertising materials mentioning features or use of this software
# must display the following acknowledgement:
# This product includes software developed by the NetBSD
# Foundation, Inc. and its contributors.
# 4. Neither the name of The NetBSD Foundation nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# NetBSD installation/upgrade script - common subroutines.
VERSION=1.1A
export VERSION # XXX needed in subshell
ROOTDISK="" # filled in below
ALLSETS="base comp etc games man misc text" # default install sets
UPGRSETS="base comp games man misc text" # default upgrade sets
getresp() {
read resp
if [ "X$resp" = "X" ]; then
resp=$1
fi
}
isin() {
# test the first argument against the remaining ones, return succes on a match
_a=$1; shift
while [ $# != 0 ]; do
if [ "$_a" = "$1" ]; then return 0; fi
shift
done
return 1
}
rmel() {
# remove first argument from list formed by the remaining arguments
_a=$1; shift
while [ $# != 0 ]; do
if [ "$_a" != "$1" ]; then
echo "$1";
fi
shift
done
}
twiddle() {
# spin the propeller so we don't get bored
while : ; do
sleep 1; echo -n "/";
sleep 1; echo -n "-";
sleep 1; echo -n "\\";
sleep 1; echo -n "|";
done > /dev/tty & echo $!
}
. install.md
do_mfs_mount() {
# $1 is the mount point
# $2 is the size in DEV_BIZE blocks
umount $1 > /dev/null 2>&1
if ! mount_mfs -s $2 swap $1 ; then
cat << \__mfs_failed_1
FATAL ERROR: Can't mount the memory filesystem.
__mfs_failed_1
exit
fi
# Bleh. Give mount_mfs a chance to DTRT.
sleep 2
}
getrootdisk() {
cat << \__getrootdisk_1
The installation program needs to know which disk to consider
the root disk. Note the unit number may be different than
the unit number you used in the standalone installation
program.
Available disks are:
__getrootdisk_1
_DKDEVS=`md_get_diskdevs`
echo "$_DKDEVS"
echo ""
echo -n "Which disk is the root disk? "
getresp ""
if isin $resp $_DKDEVS ; then
ROOTDISK="$resp"
else
echo ""
echo "The disk $resp does not exist."
ROOTDISK=""
fi
}
labelmoredisks() {
cat << \__labelmoredisks_1
You may label the following disks:
__labelmoredisks_1
echo "$_DKDEVS"
echo ""
echo -n "Label which disk? [done] "
getresp "done"
case "$resp" in
done)
;;
*)
if echo "$_DKDEVS" | grep "^$resp" > /dev/null ; then
md_labeldisk $resp
else
echo ""
echo "The disk $resp does not exist."
fi
;;
esac
}
addhostent() {
# $1 - IP address
# $2 - symbolic name
# Create an entry in the hosts table. If no host table
# exists, create one. If the IP address already exists,
# replace it's entry.
if [ ! -f /tmp/hosts ]; then
echo "127.0.0.1 localhost" > /tmp/hosts
fi
if grep "^$1 " /tmp/hosts > /dev/null; then
grep -v "^$1 " /tmp/hosts > /tmp/hosts.new
mv /tmp/hosts.new /tmp/hosts
fi
echo "$1 $2 $2.$FQDN" >> /tmp/hosts
}
addifconfig() {
# $1 - interface name
# $2 - interface symbolic name
# $3 - interface IP address
# $4 - interface netmask
# Create a hostname.* file for the interface.
echo "inet $2 $4" > /tmp/hostname.$1
addhostent $3 $2
}
configurenetwork() {
local _ifsdone
local _ifs
_IFS=`md_get_ifdevs`
_ifsdone=""
resp="" # force at least one iteration
while [ "X${resp}" != X"done" ]; do
cat << \__configurenetwork_1
You may configure the following network interfaces (the interfaces
marked with [X] have been succesfully configured):
__configurenetwork_1
for _ifs in $_IFS; do
if isin $_ifs $_ifsdone ; then
echo -n "[X] "
else
echo -n " "
fi
echo $_ifs
done
echo ""
echo -n "Configure which interface? [done] "
getresp "done"
case "$resp" in
"done")
;;
*)
_ifs=$resp
if isin $_ifs $_IFS ; then
if configure_ifs $_ifs ; then
_ifsdone="$_ifs $_ifsdone"
fi
else
echo "Invalid response: \"$resp\" is not in list"
fi
;;
esac
done
}
configure_ifs() {
_interface_name=$1
# Get IP address
resp="" # force one iteration
while [ "X${resp}" = X"" ]; do
echo -n "IP address? "
getresp ""
_interface_ip=$resp
done
# Get symbolic name
resp="" # force one iteration
while [ "X${resp}" = X"" ]; do
echo -n "Symbolic (host) name? "
getresp ""
_interface_symname=$resp
done
# Get netmask
resp="" # force one iteration
while [ "X${resp}" = X"" ]; do
echo -n "Netmask? "
getresp ""
_interface_mask=$resp
done
# Configure the interface. If it
# succeeds, add it to the permanent
# network configuration info.
ifconfig ${_interface_name} down
if ifconfig ${_interface_name} inet \
${_interface_ip} \
netmask ${_interface_mask} up ; then
addifconfig \
${_interface_name} \
${_interface_symname} \
${_interface_ip} \
${_interface_mask}
return 0
fi
return 1
}
# Much of this is gratuitously stolen from /etc/netstart.
enable_network() {
# Set up the hostname.
if [ ! -f /mnt/etc/myname ]; then
echo "ERROR: no /etc/myname!"
return 1
fi
hostname=`cat /mnt/etc/myname`
hostname $hostname
# configure all the interfaces which we know about.
(
tmp="$IFS"
IFS="$IFS."
set -- `echo /mnt/etc/hostname*`
IFS=$tmp
unset tmp
while [ $# -ge 2 ] ; do
shift # get rid of "hostname"
(
read af name mask bcaddr extras
read dt dtaddr
if [ ! -n "$name" ]; then
echo "/etc/hostname.$1: invalid network configuration file"
exit
fi
cmd="ifconfig $1 $af $name "
if [ "${dt}" = "dest" ]; then cmd="$cmd $dtaddr"; fi
if [ -n "$mask" ]; then cmd="$cmd netmask $mask"; fi
if [ -n "$bcaddr" -a "X$bcaddr" != "XNONE" ]; then
cmd="$cmd broadcast $bcaddr";
fi
cmd="$cmd $extras"
$cmd
) < /mnt/etc/hostname.$1
shift
done
)
# set the address for the loopback interface
ifconfig lo0 inet localhost
# use loopback, not the wire
route add $hostname localhost
# /etc/mygate, if it exists, contains the name of my gateway host
# that name must be in /etc/hosts.
if [ -f /mnt/etc/mygate ]; then
route delete default > /dev/null 2>&1
route add default `cat /mnt/etc/mygate`
fi
# enable the resolver, if appropriate.
if [ -f /mnt/etc/resolv.conf ]; then
_resolver_enabled="TRUE"
cp /mnt/etc/resolv.conf /tmp/resolv.conf.shadow
fi
# Display results...
echo "Network interface configuration:"
ifconfig -a
echo ""
if [ "X${_resolver_enabled}" = X"TRUE" ]; then
netstat -r
echo ""
echo "Resolver enabled."
else
netstat -rn
echo ""
echo "Resolver not enabled."
fi
return 0
}
install_ftp() {
# Get several parameters from the user, and create
# a shell script that directs the appropriate
# commands into ftp.
cat << \__install_ftp_1
This is an automated ftp-based installation process. You will be asked
several questions. The correct set of commands will be placed in a script
that will be fed to ftp(1).
__install_ftp_1
# Get server IP address
resp="" # force one iteration
while [ "X${resp}" = X"" ]; do
echo -n "Server IP? [${_ftp_server_ip}] "
getresp "${_ftp_server_ip}"
_ftp_server_ip=$resp
done
# Get server directory
resp="" # force one iteration
while [ "X${resp}" = X"" ]; do
echo -n "Server directory? [${_ftp_server_dir}] "
getresp "${_ftp_server_dir}"
_ftp_server_dir=$resp
done
# Get login name
resp="" # force one iteration
while [ "X${resp}" = X"" ]; do
echo -n "Login? [${_ftp_server_login}] "
getresp "${_ftp_server_login}"
_ftp_server_login=$resp
done
# Get password
resp="" # force one iteration
while [ "X${resp}" = X"" ]; do
echo -n "Password? [${_ftp_server_password}] "
getresp "${_ftp_server_password}"
_ftp_server_password=$resp
done
# Get list of files for mget.
cat << \__install_ftp_2
You will now be asked for files to extract. Enter one file at a time.
When you are done entering files, enter 'done'.
__install_ftp_2
echo "#!/bin/sh" > /tmp/ftp-script.sh
echo "cd /mnt" >> /tmp/ftp-script.sh
echo "ftp -i -n $_ftp_server_ip << \__end_commands" >> \
/tmp/ftp-script.sh
echo "user $_ftp_server_login $_ftp_server_password" >> \
/tmp/ftp-script.sh
echo "bin" >> /tmp/ftp-script.sh
echo "cd $_ftp_server_dir" >> /tmp/ftp-script.sh
resp="" # force one interation
while [ "X${resp}" != X"done" ]; do
echo -n "File? [done] "
getresp "done"
if [ "X${resp}" = X"done" ]; then
break
fi
_ftp_file=`echo ${resp} | awk '{print $1}'`
echo "get ${_ftp_file} |\"tar --unlink -zxvpf -\"" >> \
/tmp/ftp-script.sh
done
echo "quit" >> /tmp/ftp-script.sh
echo "__end_commands" >> /tmp/ftp-script.sh
sh /tmp/ftp-script.sh
rm -f /tmp/ftp-script.sh
echo "Extraction complete."
}
install_common_nfs_cdrom() {
# $1 - directory containing file
local _filename
local _setsdone
local _prev
local _f
_sets=`(cd /mnt2/$1; ls *.tar.gz)`
if [ -z "$_sets" ]; then
echo "There are no NetBSD install sets available in \"$1\""
return
fi
_setsdone=""
while : ; do
echo "The following sets are available for extraction:"
echo "(marked sets have already been extracted)"
echo ""
_prev=""
for _f in $_sets ; do
if isin $_f $_setsdone; then
echo -n "[X] "
else
echo -n " "
if [ -z "$_prev" ]; then _prev=$_f; fi
fi
echo $_f
done
echo ""
# Get the name of the file.
if [ "X$_prev" = "X" ]; then resp=n; else resp=y; fi
echo -n "Continue extraction [$resp]?"
getresp "$resp"
if [ "$resp" = "n" ]; then
break
fi
echo -n "File name [$_prev]? "
getresp "$_prev"
_f=$resp
_filename="/mnt2/$1/$_f"
# Ensure file exists
if [ ! -f $_filename ]; then
echo "File $_filename does not exist. Check to make"
echo "sure you entered the information properly."
continue
fi
# Extract file
cat $_filename | (cd /mnt; tar -zxvpf -)
echo "Extraction complete."
_setsdone="$_f $_setsdone"
done
}
install_cdrom() {
# Get the cdrom device info
cat << \__install_cdrom_1
The following CD-ROM devices are installed on your system; please select
the CD-ROM device containing the installation media:
__install_cdrom_1
_CDDEVS=`md_get_cddevs`
echo "$_CDDEVS"
echo ""
echo -n "Which is the CD-ROM with the installation media? [abort] "
getresp "abort"
case "$resp" in
abort)
echo "Aborting."
return
;;
*)
if isin $resp $_CDDEVS ; then
_cdrom_drive=$resp
else
echo ""
echo "The CD-ROM $resp does not exist."
echo "Aborting."
return
fi
;;
esac
# Get partition
resp="" # force one iteration
while [ "X${resp}" = X"" ]; do
echo -n "Partition? [c] "
getresp "c"
case "$resp" in
[a-h])
_cdrom_partition=$resp
;;
*)
echo "Invalid response: $resp"
resp="" # force loop to repeat
;;
esac
done
# Ask for filesystem type
cat << \__install_cdrom_2
There are two CD-ROM filesystem types currently supported by this program:
1) ISO-9660 (cd9660)
2) Berkeley Fast Filesystem (ffs)
__install_cdrom_2
resp="" # force one iteration
while [ "X${resp}" = X"" ]; do
echo -n "Which filesystem type? [cd9660] "
getresp "cd9660"
case "$resp" in
cd9660|ffs)
_cdrom_filesystem=$resp
;;
*)
echo "Invalid response: $resp"
resp="" # force loop to repeat
;;
esac
done
# Mount the CD-ROM
if ! mount -t ${_cdrom_filesystem} -o ro \
/dev/${_cdrom_drive}${_cdrom_partition} /mnt2 ; then
echo "Cannot mount CD-ROM drive. Aborting."
return
fi
# Get the directory where the file lives
resp="" # force one iteration
while [ "X${resp}" = X"" ]; do
echo "Enter the directory relative to the mount point that"
echo -n "contains the file. [${_cdrom_directory}] "
getresp "${_cdrom_directory}"
done
_cdrom_directory=$resp
install_common_nfs_cdrom ${_cdrom_directory}
umount -f /mnt2 > /dev/null 2>&1
}
install_nfs() {
# Get the IP address of the server
resp="" # force one iteration
while [ "X${resp}" = X"" ]; do
echo -n "Server IP address? [${_nfs_server_ip}] "
getresp "${_nfs_server_ip}"
done
_nfs_server_ip=$resp
# Get server path to mount
resp="" # force one iteration
while [ "X${resp}" = X"" ]; do
echo -n "Filesystem on server to mount? [${_nfs_server_path}] "
getresp "${_nfs_server_path}"
done
_nfs_server_path=$resp
# Determine use of TCP
echo -n "Use TCP transport (only works with capable NFS server)? [n] "
getresp "n"
case "$resp" in
y*|Y*)
_nfs_tcp="-T"
;;
*)
_nfs_tcp=""
;;
esac
# Mount the server
mkdir /mnt2 > /dev/null 2>&1
if ! mount_nfs $_nfs_tcp ${_nfs_server_ip}:${_nfs_server_path} \
/mnt2 ; then
echo "Cannot mount NFS server. Aborting."
return
fi
# Get the directory where the file lives
resp="" # force one iteration
while [ "X${resp}" = X"" ]; do
echo "Enter the directory relative to the mount point that"
echo -n "contains the file. [${_nfs_directory}] "
getresp "${_nfs_directory}"
done
_nfs_directory=$resp
install_common_nfs_cdrom ${_nfs_directory}
umount -f /mnt2 > /dev/null 2>&1
}
install_tape() {
# Get the name of the tape from the user.
cat << \__install_tape_1
The installation program needs to know which tape device to use. Make
sure you use a "no rewind on close" device.
__install_tape_1
_tape=`basename $TAPE`
resp="" # force one iteration
while [ "X${resp}" = X"" ]; do
echo -n "Name of tape device? [${_tape}]"
getresp "${_tape}"
done
_tape=`basename $resp`
TAPE="/dev/${_tape}"
if [ ! -c $TAPE ]; then
echo "$TAPE does not exist or is not a character special file."
echo "Aborting."
return
fi
export TAPE
# Rewind the tape device
echo -n "Rewinding tape..."
if ! mt rewind ; then
echo "$TAPE may not be attached to the system or may not be"
echo "a tape device. Aborting."
return
fi
echo "done."
# Get the file number
resp="" # force one iteration
while [ "X${resp}" = X"" ]; do
echo -n "File number? "
getresp ""
case "$resp" in
[1-9]*)
_nskip=`expr $resp - 1`
;;
*)
echo "Invalid file number ${resp}."
resp="" # fore loop to repeat
;;
esac
done
# Skip to correct file.
echo -n "Skipping to source file..."
if [ "X${_nskip}" != X"0" ]; then
if ! mt fsf $_nskip ; then
echo "Could not skip $_nskip files. Aborting."
return
fi
fi
echo "done."
cat << \__install_tape_2
There are 2 different ways the file can be stored on tape:
1) an image of a gzipped tar file
2) a standard tar image
__install_tape_2
resp="" # force one iteration
while [ "X${resp}" = X"" ]; do
echo -n "Which way is it? [1] "
getresp "1"
case "$resp" in
1)
(
cd /mnt
dd if=$TAPE | tar --unlink -zxvpf -
)
;;
2)
(
cd /mnt
dd if=$TAPE | tar --unlink -xvpf -
)
;;
*)
echo "Invalid response: $resp."
resp="" # force loop to repeat
;;
esac
done
echo "Extraction complete."
}
get_timezone() {
local _a
cat << \__get_timezone_1
Select a time zone for your location. Timezones are represented on the
system by a directory structure rooted in "/usr/share/timezone". Most
timezones can be selected by entering a token like "MET" or "GMT-6".
Other zones are grouped by continent, with detailed zone information
separated by a slash ("/"), e.g. "US/Pacific".
To get a listing of what's available in /usr/share/zoneinfo, enter "?"
at the prompts below.
__get_timezone_1
if [ X$TZ = X ]; then
TZ=`ls -l /etc/timezone 2>/dev/null | awk '{print $NF}' |
sed -e 's?/usr/share/zoneinfo/??'`
fi
while :; do
echo -n "What timezone are you in [\`?' for list] [$TZ]? "
getresp "$TZ"
case "$resp" in
"")
echo "Timezone defaults to GMT"
TZ="GMT"
break;
;;
"?")
ls /usr/share/zoneinfo
;;
*)
_a=$resp
while [ -d /usr/share/zoneinfo/$_a ]; do
echo -n "There are several timezones available"
echo " within zone '$_a'"
echo -n "Select a sub-timezone [\`?' for list]: "
getresp ""
case "$resp" in
"?") ls /usr/share/zoneinfo/$_a ;;
*) _a=${_a}/${resp}
if [ -f /usr/share/zoneinfo/$_a ]; then
break;
fi
;;
esac
done
if [ -f /usr/share/zoneinfo/$_a ]; then
TZ="$_a"
echo "You have selected timezone \"$_a\"".
break 2
fi
echo "'/usr/share/zoneinfo/$_a' is not a valid timezone on this system."
;;
esac
done
}
install_sets()
{
# arguments: the base names of the distribution sets to consider
# Ask the user which media to load the distribution from.
cat << \__install_sets_1
It is now time to extract the installation sets onto the hard disk.
Make sure The sets are either on a local device (i.e. tape, CD-ROM) or on a
network server.
__install_sets_1
if [ -f $RELDIR/$1.tar.gz ]; then
echo -n "Install from sets in the current root filesystem? [y] "
getresp "y"
case "$resp" in
y*|Y*)
for _f do
if [ ! -f $RELDIR/${_f}.tar.gz ]; then
continue
fi
echo -n "Install \"$_f\" ? [y]"
getresp "y"
case "$resp" in
y*|Y*)
cat $RELDIR/${_f}.tar.gz |
(cd /mnt; tar --unlink -zxvpf -)
_yup="TRUE"
echo "Extraction complete."
;;
*)
echo "Skipping \"$_f\"."
;;
esac
done
;;
*)
_yup="FALSE"
;;
esac
else
_yup="FALSE"
fi
# Go on prodding for alternate locations
resp="" # force at least one iteration
while [ "X${resp}" = X"" ]; do
# If _yup is not FALSE, it means that we extracted sets above.
# If that's the case, bypass the menu the first time.
if [ X"$_yup" = X"FALSE" ]; then
echo -n "Install from (f)tp, (t)ape, (C)D-ROM, or (N)FS? [f] "
getresp "f"
case "$resp" in
f*|F*)
install_ftp
;;
t*|T*)
install_tape
;;
c*|C*)
install_cdrom
;;
n*|N*)
install_nfs
;;
*)
echo "Invalid response: $resp"
resp=""
;;
esac
else
_yup="FALSE" # So we'll ask next time
fi
# Give the user the opportunity to extract more sets. They don't
# necessarily have to come from the same media.
echo ""
echo -n "Extract more sets? [n] "
getresp "n"
case "$resp" in
y*|Y*)
# Force loop to repeat
resp=""
;;
*)
;;
esac
done
}
munge_fstab()
{
local _fstab
local _fstab_shadow
# Now that the 'real' fstab is configured, we munge it into a 'shadow'
# fstab which we'll use for mounting and unmounting all of the target
# filesystems relative to /mnt. Mount all filesystems.
_fstab=$1
_fstab_shadow=$2
awk '{
if ($2 == "/")
printf("%s /mnt %s %s %s %s\n", $1, $3, $4, $5, $6)
else
printf("%s /mnt%s %s %s %s %s\n", $1, $2, $3, $4, $5, $6)
}' < $_fstab > $_fstab_shadow
}
mount_fs()
{
# Must mount filesystems manually, one at a time, so we can make
# sure the mount points exist.
# $1 is a file in fstab format
local _fstab
_fstab=$1
( while read line; do
_dev=`echo $line | awk '{print $1}'`
_mp=`echo $line | awk '{print $2}'`
_fstype=`echo $line | awk '{print $3}'`
_opt=`echo $line | awk '{print $4}'`
# If not the root filesystem, make sure the mount
# point is present.
if [ "X{$_mp}" != X"/mnt" ]; then
mkdir -p $_mp
fi
# Mount the filesystem. If the mount fails, exit
# with an error condition to tell the outer
# later to bail.
if ! mount -v -t $_fstype -o $_opt $_dev $_mp ; then
# error message displated by mount
exit 1
fi
done ) < $_fstab
if [ "X${?}" != X"0" ]; then
cat << \__mount_filesystems_1
FATAL ERROR: Cannot mount filesystems. Double-check your configuration
and restart the installation process.
__mount_filesystems_1
exit
fi
}
unmount_fs()
{
# Unmount all filesystems and check their integrity.
# $1 is a file in fstab format
local _fstab
_fstab=$1
echo -n "Syncing disks..."
pid=`twiddle`
sync; sleep 4; sync; sleep 2; sync; sleep 2
kill $pid
echo "done."
(
_devs=""
_mps=""
# maintain reverse order
while read line; do
_devs="`echo $line | awk '{print $1}'` ${_devs}"
_mps="`echo $line | awk '{print $2}'` ${_mps}"
done
echo -n "Umounting filesystems... "
for _mp in ${_mps}; do
echo -n "${_mp} "
umount ${_mp}
done
echo "Done."
echo "Checking filesystem integrity..."
for _dev in ${_devs}; do
echo "${_dev}"
fsck -f ${_dev}
done
echo "Done."
) < $_fstab
}
check_fs()
{
# Check filesystem integrity.
# $1 is a file in fstab format
local _fstab
_fstab=$1
(
_devs=""
_mps=""
while read line; do
_devs="`echo $line | awk '{print $1}'` ${_devs}"
_mps="`echo $line | awk '{print $2}'` ${_mps}"
done
echo "Checking filesystem integrity..."
for _dev in ${_devs}; do
echo "${_dev}"
fsck -f ${_dev}
done
echo "Done."
) < $_fstab
}