TrxShell [ lionsindia.in ]

Name	Size	Permission
a2disconf	15.89 KB	-rwxr-xr-x
a2dismod	15.89 KB	-rwxr-xr-x
a2dissite	15.89 KB	-rwxr-xr-x
a2enconf	15.89 KB	-rwxr-xr-x
a2enmod	15.89 KB	-rwxr-xr-x
a2ensite	15.89 KB	-rwxr-xr-x
a2query	9.64 KB	-rwxr-xr-x
aa-remove-unknown	2.85 KB	-rwxr-xr-x
aa-status	8.41 KB	-rwxr-xr-x
accessdb	10.23 KB	-rwxr-xr-x
acpid	50.84 KB	-rwxr-xr-x
add-shell	860 B	-rwxr-xr-x
addgnupghome	3.01 KB	-rwxr-xr-x
addgroup	36.45 KB	-rwxr-xr-x
adduser	36.45 KB	-rwxr-xr-x
apache2	659.69 KB	-rwxr-xr-x
apache2ctl	7.06 KB	-rwxr-xr-x
apachectl	7.06 KB	-rwxr-xr-x
apparmor_status	8.41 KB	-rwxr-xr-x
applygnupgdefaults	2.17 KB	-rwxr-xr-x
arp	61.3 KB	-rwxr-xr-x
arpd	54.03 KB	-rwxr-xr-x
atd	26.01 KB	-rwxr-xr-x
bcache-super-show	13.99 KB	-rwxr-xr-x
biosdecode	18.87 KB	-rwxr-xr-x
check_forensic	952 B	-rwxr-xr-x
chgpasswd	57.83 KB	-rwxr-xr-x
chmem	42.08 KB	-rwxr-xr-x
chpasswd	53.86 KB	-rwxr-xr-x
chroot	38.18 KB	-rwxr-xr-x
cpgr	55.96 KB	-rwxr-xr-x
cppw	55.96 KB	-rwxr-xr-x
cron	46.3 KB	-rwxr-xr-x
cryptdisks_start	1.11 KB	-rwxr-xr-x
cryptdisks_stop	1.16 KB	-rwxr-xr-x
dbconfig-generate-include	12.37 KB	-rwxr-xr-x
dbconfig-load-include	5.57 KB	-rwxr-xr-x
delgroup	16.11 KB	-rwxr-xr-x
deluser	16.11 KB	-rwxr-xr-x
dmidecode	106.54 KB	-rwxr-xr-x
dnsmasq	379.6 KB	-rwxr-xr-x
dpkg-preconfigure	3.58 KB	-rwxr-xr-x
dpkg-reconfigure	4.34 KB	-rwxr-xr-x
e2freefrag	14.07 KB	-rwxr-xr-x
e4crypt	22.07 KB	-rwxr-xr-x
e4defrag	25.99 KB	-rwxr-xr-x
faillock	13.99 KB	-rwxr-xr-x
fdformat	30.08 KB	-rwxr-xr-x
filefrag	14.02 KB	-rwxr-xr-x
genl	58.05 KB	-rwxr-xr-x
groupadd	61.92 KB	-rwxr-xr-x
groupdel	70.37 KB	-rwxr-xr-x
groupmems	57.87 KB	-rwxr-xr-x
groupmod	68.18 KB	-rwxr-xr-x
grpck	53.8 KB	-rwxr-xr-x
grpconv	49.68 KB	-rwxr-xr-x
grpunconv	49.68 KB	-rwxr-xr-x
grub-bios-setup	793.15 KB	-rwxr-xr-x
grub-install	1003.51 KB	-rwxr-xr-x
grub-macbless	780.84 KB	-rwxr-xr-x
grub-mkconfig	8.03 KB	-rwxr-xr-x
grub-mkdevicemap	207.62 KB	-rwxr-xr-x
grub-probe	793.09 KB	-rwxr-xr-x
grub-reboot	4.73 KB	-rwxr-xr-x
grub-set-default	832 B	-rwxr-xr-x
grub-set-default-legacy-ec2	3.13 KB	-rwxr-xr-x
grub-set-default.real	3.47 KB	-rwxr-xr-x
httxt2dbm	9.99 KB	-rwxr-xr-x
iconvconfig	30.25 KB	-rwxr-xr-x
init.lxc	38.5 KB	-rwxr-xr-x
init.lxc.static	1001.56 KB	-rwxr-xr-x
invoke-rc.d	15.66 KB	-rwxr-xr-x
ip6tables-apply	6.85 KB	-rwxr-xr-x
iptables-apply	6.85 KB	-rwxr-xr-x
irqbalance	62.68 KB	-rwxr-xr-x
irqbalance-ui	34.06 KB	-rwxr-xr-x
iscsi-iname	9.99 KB	-rwxr-xr-x
iscsi_discovery	5.16 KB	-rwxr-xr-x
iscsid	398.15 KB	-rwxr-xr-x
iscsistart	358.13 KB	-rwxr-xr-x
ldattach	30.08 KB	-rwxr-xr-x
locale-gen	4.3 KB	-rwxr-xr-x
logrotate	74.09 KB	-rwxr-xr-x
luksformat	3.32 KB	-rwxr-xr-x
make-bcache	18.07 KB	-rwxr-xr-x
make-ssl-cert	3.78 KB	-rwxr-xr-x
mkinitramfs	10.89 KB	-rwxr-xr-x
mklost+found	9.99 KB	-rwxr-xr-x
mysqld	23.16 MB	-rwxr-xr-x
netplan	798 B	-rwxr-xr-x
newusers	82.39 KB	-rwxr-xr-x
nfnl_osf	13.99 KB	-rwxr-xr-x
nologin	5.99 KB	-rwxr-xr-x
overlayroot-chroot	2.45 KB	-rwxr-xr-x
ownership	10.13 KB	-rwxr-xr-x
pam-auth-update	19.38 KB	-rwxr-xr-x
pam_getenv	2.82 KB	-rwxr-xr-x
pam_timestamp_check	9.99 KB	-rwxr-xr-x
phpdismod	7.11 KB	-rwxr-xr-x
phpenmod	7.11 KB	-rwxr-xr-x
phpquery	6.24 KB	-rwxr-xr-x
pma-configure	299 B	-rwxr-xr-x
pma-secure	157 B	-rwxr-xr-x
popcon-largest-unused	543 B	-rwxr-xr-x
popularity-contest	4.92 KB	-rwxr-xr-x
pwck	49.8 KB	-rwxr-xr-x
pwconv	45.7 KB	-rwxr-xr-x
pwunconv	45.68 KB	-rwxr-xr-x
readprofile	18.11 KB	-rwxr-xr-x
remove-shell	904 B	-rwxr-xr-x
rmt	58.39 KB	-rwxr-xr-x
rmt-tar	58.39 KB	-rwxr-xr-x
rsyslogd	668.54 KB	-rwxr-xr-x
rtcwake	42.08 KB	-rwxr-xr-x
service	9.04 KB	-rwxr-xr-x
setvesablank	14.07 KB	-rwxr-xr-x
split-logfile	2.36 KB	-rwxr-xr-x
sshd	772.41 KB	-rwxr-xr-x
tarcat	936 B	-rwxr-xr-x
tcpdump	999.6 KB	-rwxr-xr-x
tzconfig	106 B	-rwxr-xr-x
ufw	4.82 KB	-rwxr-xr-x
update-ca-certificates	5.27 KB	-rwxr-xr-x
update-grub	64 B	-rwxr-xr-x
update-grub-gfxpayload	301 B	-rwxr-xr-x
update-grub-legacy-ec2	43.96 KB	-rwxr-xr-x
update-grub2	64 B	-rwxr-xr-x
update-info-dir	1.66 KB	-rwxr-xr-x
update-initramfs	8.04 KB	-rwxr-xr-x
update-locale	2.99 KB	-rwxr-xr-x
update-mime	8.84 KB	-rwxr-xr-x
update-passwd	30.41 KB	-rwxr-xr-x
update-pciids	2.84 KB	-rwxr-xr-x
update-rc.d	16.12 KB	-rwxr-xr-x
update-secureboot-policy	7.43 KB	-rwxr-xr-x
update-usbids	1.05 KB	-rwxr-xr-x
upgrade-from-grub-legacy	1.49 KB	-rwxr-xr-x
useradd	123.28 KB	-rwxr-xr-x
userdel	82.48 KB	-rwxr-xr-x
usermod	123.06 KB	-rwxr-xr-x
uuidd	34.16 KB	-rwxr-xr-x
validlocale	1.73 KB	-rwxr-xr-x
vcstime	9.99 KB	-rwxr-xr-x
vigr	60.18 KB	-rwxr-xr-x
vipw	60.18 KB	-rwxr-xr-x
visudo	208.8 KB	-rwxr-xr-x
vpddecode	14.27 KB	-rwxr-xr-x
xfs_admin	1.35 KB	-rwxr-xr-x
xfs_bmap	638 B	-rwxr-xr-x
xfs_copy	394.31 KB	-rwxr-xr-x
xfs_db	667.63 KB	-rwxr-xr-x
xfs_estimate	10.01 KB	-rwxr-xr-x
xfs_freeze	767 B	-rwxr-xr-x
xfs_fsr	30.02 KB	-rwxr-xr-x
xfs_growfs	382.27 KB	-rwxr-xr-x
xfs_info	472 B	-rwxr-xr-x
xfs_io	130.93 KB	-rwxr-xr-x
xfs_logprint	414.27 KB	-rwxr-xr-x
xfs_mdrestore	370.28 KB	-rwxr-xr-x
xfs_metadump	747 B	-rwxr-xr-x
xfs_mkfile	1007 B	-rwxr-xr-x
xfs_ncheck	650 B	-rwxr-xr-x
xfs_quota	86.01 KB	-rwxr-xr-x
xfs_rtcp	13.99 KB	-rwxr-xr-x
zerofree	9.99 KB	-rwxr-xr-x
zic	54.14 KB	-rwxr-xr-x

Code Editor : update-initramfs

#!/bin/sh

STATEDIR=/var/lib/initramfs-tools
BOOTDIR=/boot
CONF=/etc/initramfs-tools/update-initramfs.conf
mode=""
version=""
update_initramfs=yes
backup_initramfs=no

set -e

[ -r ${CONF} ] && . ${CONF}

case "$DPKG_MAINTSCRIPT_PACKAGE" in
linux-image-*)
	if [ -z "$INITRAMFS_TOOLS_KERNEL_HOOK" ]; then
		# kernel maintainer script called us directly; ignore
		# it and let the hook script handle it instead
		echo "update-initramfs: deferring update (hook will be called later)"
		exit 0
	fi
	;;
?*)
	if	   [ $# = 1 ]						\
		&& [ x"$1" = x-u ]					\
		&& dpkg-trigger --check-supported 2>/dev/null
	then
		if dpkg-trigger --no-await update-initramfs; then
			echo "update-initramfs: deferring update (trigger activated)"
			exit 0
		fi
	fi
	;;
esac

usage()
{
	if [ -n "${1:-}" ]; then
		printf "${*}\n\n" >&2
	fi
	cat >&2 << EOF
Usage: ${0} [OPTION]...

Options:
 -k version	Specify kernel version or 'all'
 -c		Create a new initramfs
 -u		Update an existing initramfs
 -d		Remove an existing initramfs
 -t		Take over a custom initramfs with this one
 -b directory	Set alternate boot directory
 -v		Be verbose
 -h		This message

EOF
	exit 1
}

mild_panic()
{
	if [ -n "${1:-}" ]; then
		printf "${*}\n" >&2
	fi
	exit 0
}

panic()
{
	if [ -n "${1:-}" ]; then
		printf "${*}\n" >&2
	fi
	exit 1
}

verbose()
{
	if [ "${verbose}" = 1 ]; then
		printf "${*}\n"
	fi
}

version_exists()
{
	[ -e "${STATEDIR}/${1}" ] && [ -e "${initramfs}" ]
	return $?
}

set_initramfs()
{
	initramfs="${BOOTDIR}/initrd.img-${version}"
}

# backup initramfs while running
backup_initramfs()
{
	[ ! -r "${initramfs}" ] && return 0
	initramfs_bak="${initramfs}.dpkg-bak"
	[ -r "${initramfs_bak}" ] && rm -f "${initramfs_bak}"
	ln -f "${initramfs}" "${initramfs_bak}" \
		|| cp -a "${initramfs}" "${initramfs_bak}"
	verbose "Keeping ${initramfs_bak}"
}

# keep booted initramfs
backup_booted_initramfs()
{
	initramfs_bak="${initramfs}.dpkg-bak"

# first time run thus no backup
	[ ! -r "${initramfs_bak}" ] && return 0

# chroot with no /proc
	[ ! -r /proc/uptime ] && rm -f "${initramfs_bak}" && return 0

# no kept backup wanted
	[ "${backup_initramfs}" = "no" ] && rm -f "${initramfs_bak}" && return 0

# no backup yet
	if [ ! -r "${initramfs}.bak" ]; then
		mv -f ${initramfs_bak} "${initramfs}.bak"
		verbose "Backup ${initramfs}.bak"
		return 0
	fi

# keep booted initramfs
	boot_initramfs=
	uptime_days=$(awk '{printf "%d", $1 / 3600 / 24}' /proc/uptime)
	if [ -n "$uptime_days" ]; then
		boot_initramfs=$(find "${initramfs}.bak" -mtime +${uptime_days})
	fi
	if [ -n "${boot_initramfs}" ]; then
		mv -f "${initramfs_bak}" "${initramfs}.bak"
		verbose "Backup ${initramfs}.bak"
		return 0
	fi
	verbose "Removing current backup ${initramfs_bak}"
	rm -f ${initramfs_bak}
}

# nuke generated copy
remove_initramfs_bak()
{
	[ -z "${initramfs_bak:-}" ] && return 0
	rm -f "${initramfs_bak}"
	verbose "Removing ${initramfs_bak}"
}

generate_initramfs()
{
	echo "update-initramfs: Generating ${initramfs}"
	OPTS="-o"
	if [ "${verbose}" = 1 ]; then
		OPTS="-v ${OPTS}"
	fi
	if mkinitramfs ${OPTS} "${initramfs}.new" "${version}"; then
		mv -f "${initramfs}.new" "${initramfs}"
		set_sha1
		# Guard against an unclean shutdown
		sync -f "${initramfs}"
	else
		mkinitramfs_return="$?"
		remove_initramfs_bak
		rm -f "${initramfs}.new"
		echo "update-initramfs: failed for ${initramfs} with $mkinitramfs_return." >&2
		exit $mkinitramfs_return
	fi
}

# Invoke bootloader
run_bootloader()
{
	# invoke policy conformant bootloader hooks
	if [ -d /etc/initramfs/post-update.d/ ]; then
		run-parts --arg=${version} --arg=${initramfs} \
			/etc/initramfs/post-update.d/
		return 0
	fi
}

compare_sha1()
{
	sha1sum "${initramfs}" | diff "${STATEDIR}/${version}" - >/dev/null 2>&1
	return $?
}

# Note that this must overwrite so that updates work.
set_sha1()
{
	sha1sum "${initramfs}" > "${STATEDIR}/${version}"
}

delete_sha1()
{
	rm -f "${STATEDIR}/${version}"
}

# ro /boot is not modified
ro_boot_check()
{
	# check irrelevant inside of a chroot
	if [ ! -r /proc/mounts ] || ischroot; then
		return 0
	fi

boot_opts=$(awk '/boot/{if ((match($4, /^ro/) || match($4, /,ro/)) \
		&& $2 == "/boot") print "ro"}' /proc/mounts)
	if [ -n "${boot_opts}" ]; then
		echo "WARNING: /boot is ro mounted."
		echo "update-initramfs: Not updating ${initramfs}"
		exit 0
	fi
}

get_sorted_versions()
{
	version_list="$(ls -1 "${STATEDIR}" | linux-version sort --reverse)"

verbose "Available versions: ${version_list}"
}

set_current_version()
{
	if [ -f /boot/initrd.img-`uname -r` ]; then
		version=`uname -r`
	fi
}

set_linked_version()
{
	linktarget=
	if [ -e /initrd.img ] && [ -L /initrd.img ]; then
		linktarget="$(basename "$(readlink /initrd.img)")"
	fi

if [ -e /boot/initrd.img ] && [ -L /boot/initrd.img ]; then
		linktarget="$(basename "$(readlink /boot/initrd.img)")"
	fi

if [ -z "${linktarget}" ]; then
		return
	fi

version="${linktarget##initrd.img-}"
}

set_highest_version()
{
	get_sorted_versions
	if [ -z "${version_list}" ]; then
		version=
		return
	fi
	set -- ${version_list}
	version=${1}
}

create()
{
	if [ -z "${version}" ]; then
		usage "Create mode requires a version argument"
	fi

set_initramfs

if [ "${takeover}" = 0 ]; then
		if version_exists "${version}"; then
			panic "Cannot create version ${version}: already exists"
		fi

if [ -e "${initramfs}" ]; then
			panic "${initramfs} already exists, cannot create."
		fi
	fi

generate_initramfs

run_bootloader
}

update()
{
	if [ "${update_initramfs}" = "no" ]; then
		echo "update-initramfs: Not updating initramfs."
		exit 0
	fi

if [ -z "${version}" ]; then
		set_highest_version
	fi

if [ -z "${version}" ]; then
		set_linked_version
	fi

if [ -z "${version}" ]; then
		set_current_version
	fi

if [ -z "${version}" ]; then
		verbose "Nothing to do, exiting."
		exit 0
	fi

set_initramfs

ro_boot_check

altered_check

backup_initramfs

generate_initramfs

run_bootloader

backup_booted_initramfs
}

delete()
{
	if [ -z "${version}" ]; then
		usage "Delete mode requires a version argument"
	fi

set_initramfs

if [ "${takeover}" = 0 ]; then
		if [ ! -e "${initramfs}" ]; then
			panic "Cannot delete ${initramfs}, doesn't exist."
		fi

if ! version_exists "${version}"; then
			panic "Cannot delete version ${version}: Not created by this utility."
		fi
	fi

altered_check

echo "update-initramfs: Deleting ${initramfs}"

delete_sha1

rm -f "${initramfs}" "${initramfs}.bak"
}

# Check for update mode on existing and modified initramfs
altered_check()
{
	# No check on takeover
	[ "${takeover}" = 1 ] && return 0
	if [ ! -e "${initramfs}" ]; then
		mild_panic "${initramfs} does not exist. Cannot update."
	fi
	if ! compare_sha1; then
		echo "update-initramfs: ${initramfs} has been altered." >&2
		mild_panic "update-initramfs: Cannot update. Override with -t option."
	fi
}

# Defaults
verbose=0
yes=0
# We default to takeover=1 in Ubuntu, but not Debian
takeover=1

while getopts "k:cudyvtb:h?" flag; do
	case "${flag}" in
	k)
		version="${OPTARG}"
		;;
	c)
		mode="c"
		;;
	d)
		mode="d"
		;;
	u)
		mode="u"
		;;
	v)
		verbose="1"
		;;
	y)
		yes="1"
		;;
	t)
		takeover="1"
		;;
	b)
		BOOTDIR="${OPTARG}"
		if [ ! -d "${BOOTDIR}" ]; then
			echo "Error: ${BOOTDIR} is not a directory." >&2
			exit 1
		fi
		;;
	h|?)
		usage
		;;
	esac
done

shift $((${OPTIND} - 1))

if [ $# -ne 0 ]; then
	printf "Extra argument '%s'\n\n" "$1" >&2
	usage
fi

# Validate arguments
if [ -z "${mode}" ]; then
	usage "You must specify at least one of -c, -u, or -d."
fi

if [ "${version}" = "all" ] \
	|| ( [ "${update_initramfs}" = "all" ] && [ -z "${version}" ] ); then
	: FIXME check for --yes, and if not ask are you sure
	get_sorted_versions
	if [ -z "${version_list}" ]; then
		verbose "Nothing to do, exiting."
		exit 0
	fi

OPTS="-b ${BOOTDIR}"
	if [ "${verbose}" = "1" ]; then
		OPTS="${OPTS} -v"
	fi
	if [ "${takeover}" = "1" ]; then
		OPTS="${OPTS} -t"
	fi
	if [ "${yes}" = "1" ]; then
		OPTS="${OPTS} -y"
	fi
	for u_version in ${version_list}; do
		verbose "Execute: ${0} -${mode} -k \"${u_version}\" ${OPTS}"
		"${0}" -${mode} -k "${u_version}" ${OPTS}
	done
	exit 0
fi

case "${mode}" in
	c)
		create
		;;
	d)
		delete
		;;
	u)
		update
		;;
esac

${this.title}

Code Editor : update-initramfs