Gecko [ nrupathungauniversityblr.ac.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
apachetop	46.25 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	18.94 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
delgroup	16.11 KB	-rwxr-xr-x
deluser	16.11 KB	-rwxr-xr-x
dmidecode	106.61 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
escapesrc	18.16 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
genccode	10.4 KB	-rwxr-xr-x
gencmn	10.44 KB	-rwxr-xr-x
genl	58.05 KB	-rwxr-xr-x
gennorm2	58.59 KB	-rwxr-xr-x
gensprep	18.5 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
icupkg	18.77 KB	-rwxr-xr-x
init.lxc	18.41 KB	-rwxr-xr-x
init.lxc.static	973.72 KB	-rwxr-xr-x
install-sgmlcatalog	4.44 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	354.13 KB	-rwxr-xr-x
ldattach	30.08 KB	-rwxr-xr-x
libgvc6-config-update	9.99 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	10.79 KB	-rwxr-xr-x
mklost+found	9.99 KB	-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	10.2 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
paperconfig	4.07 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
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	4.4 KB	-rwxr-xr-x
update-ca-certificates	5.27 KB	-rwxr-xr-x
update-catalog	9.15 KB	-rwxr-xr-x
update-fmtutil	9.58 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-gsfontmap	450 B	-rwxr-xr-x
update-icon-caches	596 B	-rwxr-xr-x
update-info-dir	1.66 KB	-rwxr-xr-x
update-initramfs	8.04 KB	-rwxr-xr-x
update-language	9.37 KB	-rwxr-xr-x
update-language-dat	9.37 KB	-rwxr-xr-x
update-language-def	9.37 KB	-rwxr-xr-x
update-language-lua	9.37 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-texmf	2.6 KB	-rwxr-xr-x
update-texmf-config	1.5 KB	-rwxr-xr-x
update-tl-stacked-conffile	9.58 KB	-rwxr-xr-x
update-updmap	9.58 KB	-rwxr-xr-x
update-usbids	1.05 KB	-rwxr-xr-x
update-xmlcatalog	16.88 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	14.34 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-rc.d

#! /usr/bin/perl
# vim: ft=perl
#
# update-rc.d	Update the links in /etc/rc[0-9S].d/
#

use strict;
use warnings;
# NB: All Perl modules used here must be in perl-base. Specifically, depending
# on modules in perl-modules is not okay! See bug #716923

my $initd = "/etc/init.d";
my $etcd  = "/etc/rc";

# Print usage message and die.

sub usage {
	print STDERR "update-rc.d: error: @_\n" if ($#_ >= 0);
	print STDERR <<EOF;
usage: update-rc.d [-f] <basename> remove
       update-rc.d [-f] <basename> defaults
       update-rc.d [-f] <basename> defaults-disabled
       update-rc.d <basename> disable|enable [S|2|3|4|5]
		-f: force

The disable|enable API is not stable and might change in the future.
EOF
	exit (1);
}

exit main(@ARGV);

sub info {
    print STDOUT "update-rc.d: @_\n";
}

sub warning {
    print STDERR "update-rc.d: warning: @_\n";
}

sub error {
    print STDERR "update-rc.d: error: @_\n";
    exit (1);
}

sub error_code {
    my $rc = shift;
    print STDERR "update-rc.d: error: @_\n";
    exit ($rc);
}

sub make_path {
    my ($path) = @_;
    my @dirs = ();
    my @path = split /\//, $path;
    map { push @dirs, $_; mkdir join('/', @dirs), 0755; } @path;
}

# Given a script name, return any runlevels except 0 or 6 in which the
# script is enabled.  If that gives nothing and the script is not
# explicitly disabled, return 6 if the script is disabled in runlevel
# 0 or 6.
sub script_runlevels {
    my ($scriptname) = @_;
    my @links=<"/etc/rc[S12345].d/S[0-9][0-9]$scriptname">;
    if (@links) {
        return map(substr($_, 7, 1), @links);
    } elsif (! <"/etc/rc[S12345].d/K[0-9][0-9]$scriptname">) {
        @links=<"/etc/rc[06].d/K[0-9][0-9]$scriptname">;
        return ("6") if (@links);
    } else {
	return ;
    }
}

# Map the sysvinit runlevel to that of openrc.
sub openrc_rlconv {
    my %rl_table = (
        "S" => "sysinit",
        "1" => "recovery",
        "2" => "default",
        "3" => "default",
        "4" => "default",
        "5" => "default",
        "6" => "off" );

my %seen; # return unique runlevels
    return grep !$seen{$_}++, map($rl_table{$_}, @_);
}

sub systemd_reload {
    if (-d "/run/systemd/system") {
        system("systemctl", "daemon-reload");
    }
}

# Creates the necessary links to enable/disable a SysV init script (fallback if
# no insserv/rc-update exists)
sub make_sysv_links {
    my ($scriptname, $action) = @_;

# for "remove" we cannot rely on the init script still being present, as
    # this gets called in postrm for purging. Just remove all symlinks.
    if ("remove" eq $action) { unlink($_) for
        glob("/etc/rc?.d/[SK][0-9][0-9]$scriptname"); return; }

# if the service already has any links, do not touch them
    # numbers we don't care about, but enabled/disabled state we do
    return if glob("/etc/rc?.d/[SK][0-9][0-9]$scriptname");

# for "defaults", parse Default-{Start,Stop} and create these links
    my ($lsb_start_ref, $lsb_stop_ref) = parse_def_start_stop("/etc/init.d/$scriptname");
    my $start = $action eq "defaults-disabled" ? "K" : "S";
    foreach my $lvl (@$lsb_start_ref) {
        make_path("/etc/rc$lvl.d");
        my $l = "/etc/rc$lvl.d/${start}01$scriptname";
        symlink("../init.d/$scriptname", $l);
    }

foreach my $lvl (@$lsb_stop_ref) {
        make_path("/etc/rc$lvl.d");
        my $l = "/etc/rc$lvl.d/K01$scriptname";
        symlink("../init.d/$scriptname", $l);
    }
}

# Creates the necessary links to enable/disable the service (equivalent of an
# initscript) in systemd.
sub make_systemd_links {
    my ($scriptname, $action) = @_;

# In addition to the insserv call we also enable/disable the service
    # for systemd by creating the appropriate symlink in case there is a
    # native systemd service. We need to do this on our own instead of
    # using systemctl because systemd might not even be installed yet.
    my $service_path;
    if (-f "/etc/systemd/system/$scriptname.service") {
        $service_path = "/etc/systemd/system/$scriptname.service";
    } elsif (-f "/lib/systemd/system/$scriptname.service") {
        $service_path = "/lib/systemd/system/$scriptname.service";
    }
    if (defined($service_path)) {
        my $changed_sth;
        open my $fh, '<', $service_path or error("unable to read $service_path");
        while (<$fh>) {
            chomp;
            if (/^\s*WantedBy=(.+)$/i) {
                my $wants_dir = "/etc/systemd/system/$1.wants";
                my $service_link = "$wants_dir/$scriptname.service";
                if ("enable" eq $action) {
                    make_path($wants_dir);
                    symlink($service_path, $service_link);
                } else {
                    unlink($service_link) if -e $service_link;
                }
            }
        }
        close($fh);
    }
}

sub create_sequence {
    my $force = (@_);
    my $insserv = "/usr/lib/insserv/insserv";
    # Fallback for older insserv package versions [2014-04-16]
    $insserv = "/sbin/insserv" if ( -x "/sbin/insserv");
    # If insserv is not configured it is not fully installed
    my $insserv_installed = -x $insserv && -e "/etc/insserv.conf";
    my @opts;
    push(@opts, '-f') if $force;
    # Add force flag if initscripts is not installed
    # This enables inistcripts-less systems to not fail when a facility is missing
    unshift(@opts, '-f') unless is_initscripts_installed();

my $openrc_installed = -x "/sbin/openrc";

my $sysv_insserv ={};
    $sysv_insserv->{remove} = sub {
        my ($scriptname) = @_;
        if ( -f "/etc/init.d/$scriptname" ) {
            return system($insserv, @opts, "-r", $scriptname) >> 8;
        } else {
            # insserv removes all dangling symlinks, no need to tell it
            # what to look for.
            my $rc = system($insserv, @opts) >> 8;
            error_code($rc, "insserv rejected the script header") if $rc;
        }
    };
    $sysv_insserv->{defaults} = sub {
        my ($scriptname) = @_;
        if ( -f "/etc/init.d/$scriptname" ) {
            my $rc = system($insserv, @opts, $scriptname) >> 8;
            error_code($rc, "insserv rejected the script header") if $rc;
        } else {
            error("initscript does not exist: /etc/init.d/$scriptname");
        }
    };
    $sysv_insserv->{defaults_disabled} = sub {
        my ($scriptname) = @_;
        return if glob("/etc/rc?.d/[SK][0-9][0-9]$scriptname");
        if ( -f "/etc/init.d/$scriptname" ) {
            my $rc = system($insserv, @opts, $scriptname) >> 8;
            error_code($rc, "insserv rejected the script header") if $rc;
        } else {
            error("initscript does not exist: /etc/init.d/$scriptname");
        }
        sysv_toggle("disable", $scriptname);
    };
    $sysv_insserv->{toggle} = sub {
        my ($action, $scriptname) = (shift, shift);
        sysv_toggle($action, $scriptname, @_);

# Call insserv to resequence modified links
        my $rc = system($insserv, @opts, $scriptname) >> 8;
        error_code($rc, "insserv rejected the script header") if $rc;
    };

my $sysv_plain = {};
    $sysv_plain->{remove} = sub {
        my ($scriptname) = @_;
        make_sysv_links($scriptname, "remove");
    };
    $sysv_plain->{defaults} = sub {
        my ($scriptname) = @_;
        make_sysv_links($scriptname, "defaults");
    };
    $sysv_plain->{defaults_disabled} = sub {
        my ($scriptname) = @_;
        make_sysv_links($scriptname, "defaults-disabled");
    };
    $sysv_plain->{toggle} = sub {
        my ($action, $scriptname) = (shift, shift);
        sysv_toggle($action, $scriptname, @_);
    };

my $systemd = {};
    $systemd->{remove} = sub {
        systemd_reload;
    };
    $systemd->{defaults} = sub {
        systemd_reload;
    };
    $systemd->{defaults_disabled} = sub {
        systemd_reload;
    };
    $systemd->{toggle} = sub {
        my ($action, $scriptname) = (shift, shift);
        make_systemd_links($scriptname, $action);
        systemd_reload;
    };

# Should we check exit codeS?
    my $openrc = {};
    $openrc->{remove} = sub {
        my ($scriptname) = @_;
        system("rc-update", "-qqa", "delete", $scriptname);

};
    $openrc->{defaults} = sub {
        my ($scriptname) = @_;
        # OpenRC does not distinguish halt and reboot.  They are handled
        # by /etc/init.d/transit instead.
        return if ("halt" eq $scriptname || "reboot" eq $scriptname);
        # no need to consider default disabled runlevels
        # because everything is disabled by openrc by default
        my @rls=script_runlevels($scriptname);
        if ( @rls ) {
            system("rc-update", "add", $scriptname, openrc_rlconv(@rls));
        }
    };
    $openrc->{defaults_disabled} = sub {
        # In openrc everything is disabled by default
    };
    $openrc->{toggle} = sub {
        my ($action, $scriptname) = (shift, shift);
        my (@toggle_lvls, $start_lvls, $stop_lvls, @symlinks);
        my $lsb_header = lsb_header_for_script($scriptname);

# Extra arguments to disable|enable action are runlevels. If none
        # given parse LSB info for Default-Start value.
        if ($#_ >= 0) {
            @toggle_lvls = @_;
        } else {
            ($start_lvls, $stop_lvls) = parse_def_start_stop($lsb_header);
            @toggle_lvls = @$start_lvls;
            if ($#toggle_lvls < 0) {
                error("$scriptname Default-Start contains no runlevels, aborting.");
            }
        }
        my %openrc_act = ( "disable" => "del", "enable" => "add" );
        system("rc-update", $openrc_act{$action}, $scriptname,
               openrc_rlconv(@toggle_lvls))
    };

my @sequence;
    if ($openrc_installed) {
        push @sequence, $openrc;
    }
    if ($insserv_installed) {
        push @sequence, $sysv_insserv;
    }
    else {
        push @sequence, $sysv_plain;
    }
    push @sequence, $systemd;

return @sequence;
}

## Dependency based
sub main {
    my @args = @_;
    my $scriptname;
    my $action;
    my $force = 0;

while($#args >= 0 && ($_ = $args[0]) =~ /^-/) {
        shift @args;
        if (/^-f$/) { $force = 1; next }
        if (/^-h|--help$/) { usage(); }
        usage("unknown option");
    }

usage("not enough arguments") if ($#args < 1);

my @sequence = create_sequence($force);

$scriptname = shift @args;
    $action = shift @args;
    if ("remove" eq $action) {
        foreach my $init (@sequence) {
            $init->{remove}->($scriptname);
        }
    } elsif ("defaults" eq $action || "start" eq $action ||
             "stop" eq $action) {
        # All start/stop/defaults arguments are discarded so emit a
        # message if arguments have been given and are in conflict
        # with Default-Start/Default-Stop values of LSB comment.
        if ("start" eq $action || "stop" eq $action) {
            cmp_args_with_defaults($scriptname, $action, @args);
        }
        foreach my $init (@sequence) {
            $init->{defaults}->($scriptname);
        }
    } elsif ("defaults-disabled" eq $action) {
        foreach my $init (@sequence) {
            $init->{defaults_disabled}->($scriptname);
        }
    } elsif ("disable" eq $action || "enable" eq $action) {
        foreach my $init (@sequence) {
            $init->{toggle}->($action, $scriptname, @args);
        }
    } else {
        usage();
    }
}

sub parse_def_start_stop {
    my $script = shift;
    my (%lsb, @def_start_lvls, @def_stop_lvls);

open my $fh, '<', $script or error("unable to read $script");
    while (<$fh>) {
        chomp;
        if (m/^### BEGIN INIT INFO\s*$/) {
            $lsb{'begin'}++;
        }
        elsif (m/^### END INIT INFO\s*$/) {
            $lsb{'end'}++;
            last;
        }
        elsif ($lsb{'begin'} and not $lsb{'end'}) {
            if (m/^# Default-Start:\s*(\S?.*)$/) {
                @def_start_lvls = split(' ', $1);
            }
            if (m/^# Default-Stop:\s*(\S?.*)$/) {
                @def_stop_lvls = split(' ', $1);
            }
        }
    }
    close($fh);

return (\@def_start_lvls, \@def_stop_lvls);
}

sub lsb_header_for_script {
    my $name = shift;

foreach my $file ("/etc/insserv/overrides/$name", "/etc/init.d/$name",
                      "/usr/share/insserv/overrides/$name") {
        return $file if -s $file;
    }

error("cannot find a LSB script for $name");
}

sub cmp_args_with_defaults {
    my ($name, $act) = (shift, shift);
    my ($lsb_start_ref, $lsb_stop_ref, $arg_str, $lsb_str);
    my (@arg_start_lvls, @arg_stop_lvls, @lsb_start_lvls, @lsb_stop_lvls);

($lsb_start_ref, $lsb_stop_ref) = parse_def_start_stop("/etc/init.d/$name");
    @lsb_start_lvls = @$lsb_start_ref;
    @lsb_stop_lvls  = @$lsb_stop_ref;
    return if (!@lsb_start_lvls and !@lsb_stop_lvls);

warning "start and stop actions are no longer supported; falling back to defaults";
    my $start = $act eq 'start' ? 1 : 0;
    my $stop = $act eq 'stop' ? 1 : 0;

# The legacy part of this program passes arguments starting with
    # "start|stop NN x y z ." but the insserv part gives argument list
    # starting with sequence number (ie. strips off leading "start|stop")
    # Start processing arguments immediately after the first seq number.
    my $argi = $_[0] eq $act ? 2 : 1;

while (defined $_[$argi]) {
        my $arg = $_[$argi];

# Runlevels 0 and 6 are always stop runlevels
        if ($arg eq 0 or $arg eq 6) {
            $start = 0; $stop = 1;
        } elsif ($arg eq 'start') {
            $start = 1; $stop = 0; $argi++; next;
        } elsif ($arg eq 'stop') {
            $start = 0; $stop = 1; $argi++; next;
        } elsif ($arg eq '.') {
            next;
        }
        push(@arg_start_lvls, $arg) if $start;
        push(@arg_stop_lvls, $arg) if $stop;
    } continue {
        $argi++;
    }

if ($#arg_start_lvls != $#lsb_start_lvls or
        join("\0", sort @arg_start_lvls) ne join("\0", sort @lsb_start_lvls)) {
        $arg_str = @arg_start_lvls ? "@arg_start_lvls" : "none";
        $lsb_str = @lsb_start_lvls ? "@lsb_start_lvls" : "none";
        warning "start runlevel arguments ($arg_str) do not match",
                "$name Default-Start values ($lsb_str)";
    }
    if ($#arg_stop_lvls != $#lsb_stop_lvls or
        join("\0", sort @arg_stop_lvls) ne join("\0", sort @lsb_stop_lvls)) {
        $arg_str = @arg_stop_lvls ? "@arg_stop_lvls" : "none";
        $lsb_str = @lsb_stop_lvls ? "@lsb_stop_lvls" : "none";
        warning "stop runlevel arguments ($arg_str) do not match",
                "$name Default-Stop values ($lsb_str)";
    }
}

sub sysv_toggle {
    my ($act, $name) = (shift, shift);
    my (@toggle_lvls, $start_lvls, $stop_lvls, @symlinks);
    my $lsb_header = lsb_header_for_script($name);

# Find symlinks in rc.d directories. Refuse to modify links in runlevels
    # not used for normal system start sequence.
    for my $lvl (@toggle_lvls) {
        if ($lvl !~ /^[S2345]$/) {
            warning("$act action will have no effect on runlevel $lvl");
            next;
        }
        push(@symlinks, $_) for glob("/etc/rc$lvl.d/[SK][0-9][0-9]$name");
    }

if (!@symlinks) {
        error("no runlevel symlinks to modify, aborting!");
    }

# Toggle S/K bit of script symlink.
    for my $cur_lnk (@symlinks) {
        my $sk;
        my @new_lnk = split(//, $cur_lnk);

if ("disable" eq $act) {
            $sk = rindex($cur_lnk, '/S') + 1;
            next if $sk < 1;
            $new_lnk[$sk] = 'K';
        } else {
            $sk = rindex($cur_lnk, '/K') + 1;
            next if $sk < 1;
            $new_lnk[$sk] = 'S';
        }

rename($cur_lnk, join('', @new_lnk)) or error($!);
    }
}

# Try to determine if initscripts is installed
sub is_initscripts_installed {
    # Check if mountkernfs is available. We cannot make inferences
    # using the running init system because we may be running in a
    # chroot
    return  glob('/etc/rcS.d/S??mountkernfs.sh');
}

${this.title}

Code Editor : update-rc.d