GIF89a=( õ' 7IAXKgNgYvYx\%wh…hŽth%ˆs%—x¨}9®Œ©€&©‰%¶†(¹–.¹5·œD¹&Çš)ÇŸ5ǘ;Í£*È¡&Õ²)ׯ7×µ<Ñ»4ï°3ø‘HÖ§KͯT÷¨Yÿšqÿ»qÿÔFØ !ù ' !ÿ NETSCAPE2.0 , =( þÀ“pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§gª«ªE¯°¨¬ª±²Œ¹º¹E¾­”´ÂB¶¯ §Åȸ»ÑD¾¿Á•ÄÅ®° ÝH¾ÒLÀÆDÙ«D¶BÝïðÀ¾DÑÑÔTÌÍíH òGö¨A RÎڐ |¥ ٭&ºìE8œ¹kGÔAÞpx­a¶­ã R2XB®åE8I€Õ6Xî:vT)äžþÀq¦è³¥ì仕F~%xñ  4#ZÔ‰O|-4Bs‘X:= QÉ œš lºÒyXJŠGȦ|s hÏíK–3l7·B|¥$'7Jީܪ‰‡àá”Dæn=Pƒ ¤Òëí‰`䌨ljóá¯Éüv>á–Á¼5 ½.69ûϸd«­ºÀûnlv©‹ªîf{¬ÜãPbŸ  l5‘Ž¯pß ´ ˜3aÅùäI«O’ý·‘áÞ‡˜¾Æ‚ÙÏiÇÿ‹Àƒ #öó)pâš Þ½ ‘Ý{ó)vmÞü%D~ 6f s}ŃƒDØW Eþ`‡þ À…L8xá†ç˜{)x`X/> Ì}mø‚–RØ‘*|`D=‚Ø_ ^ð5 !_…'aä“OÚ—7âcð`D”Cx`ÝÂ¥ä‹éY¹—F¼¤¥Š?¡Õ™ n@`} lď’ÄÉ@4>ñd œ à‘vÒxNÃ×™@žd=ˆgsžG±æ ´²æud &p8Qñ)ˆ«lXD©øÜéAžHìySun jª×k*D¤LH] †¦§C™Jä–´Xb~ʪwStŽ6K,°£qÁœ:9ت:¨þªl¨@¡`‚ûÚ ».Û¬¯t‹ÆSÉ[:°=Š‹„‘Nåû”Ìî{¿ÂA ‡Rà›ÀÙ6úë°Ÿð0Ä_ ½;ÃϱîÉì^ÇÛÇ#Ëë¼ôº!±Ä˜íUîÅÇ;0L1óÁµö«p% AÀºU̬ݵ¼á%霼€‡¯Á~`ÏG¯»À× ­²± =4ªnpð3¾¤³¯­ü¾¦îuÙuµÙ®|%2ÊIÿür¦#0·ÔJ``8È@S@5ê¢ ö×Þ^`8EÜ]ý.뜃Âç 7 ú ȉÞj œ½Dç zý¸iþœÑÙûÄë!ˆÞÀl§Ïw‹*DçI€nEX¯¬¼ &A¬Go¼QföõFç°¯;é¦÷îŽêJ°îúôF5¡ÌQ|îúöXªæ»TÁÏyñêï]ê² o óÎC=öõ›ÒÓPB@ D×½œä(>èCÂxŽ`±«Ÿ–JЀ»Û á¤±p+eE0`ëŽ`A Ú/NE€Ø†À9‚@¤à H½7”à‡%B‰`Àl*ƒó‘–‡8 2ñ%¸ —€:Ù1Á‰E¸àux%nP1ð!‘ðC)¾P81lÑɸF#ˆ€{´âé°ÈB„0>±û °b¡Š´±O‚3È–Ù()yRpbµ¨E.Z‘D8ÊH@% òŒx+%Ù˜Æcü »¸˜fõ¬b·d`Fê™8èXH"ÉÈ-±|1Ô6iI, 2““¬$+](A*jÐ QTÂo‰.ÛU슬Œã„Ž`¯SN¡–¶Äåyše¯ª’­¬‚´b¦Éož œ)åyâ@Ì®3 ÎtT̉°&Ø+žLÀf"Ø-|žçÔ>‡Ðv¦Ðžì\‚ Q1)Ž@Žh#aP72”ˆ™¨$‚ !ù " , =( …7IAXG]KgNgYvYxR"k\%w]'}hŽth%ˆg+ˆs%—r.—m3šx3˜x¨}9®€&©€+¨‡7§‰%¶†(¹–.¹œD¹&ǘ;Í•&ײ)×»4ïÌ6ò§KÍ þ@‘pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g «¬ E ±± ¨­¶°ººE Á´”·®C¬²§Ç¶Œ»ÓDÃÕƷ¯Ê±H½ºM×ÁGÚ¬D¶BËÁ½î½DÓôTÏÛßîG»ôõC×CÌ l&âž:'òtU³6ɹ#·Ø)€'Ü.6±&ëÍÈ» K(8p0N?!æ2"ÛˆNIJX>R¼ÐO‚M '¡¨2¸*Ÿþ>#n↠å@‚<[:¡Iïf’ ¤TÚ˘CdbÜÙ“[«ŽEú5MBo¤×@€`@„€Êt W-3 ¶Ÿ¡BíêäjIÝ…Eò9[T…$íêﯧ„…•s»Óȳ¹€ÅÚdc®UUρ#±Ùïldj?´í¼²`\ŽÁðÞu|3'ÖŒ]ë6 ¶S#²‡˜FKLÈ *N E´‘áäŠ$˜›eÄYD„ºq«.è촁ƒs \-ÔjA 9²õ÷å- üúM[Âx(ís÷ì®x€|í¡Ù’p¦‚ ŽkÛTÇDpE@WÜ ²Ç]kŠ1¨ þ€·Yb ÓÁ‰l°*n0 ç™—žzBdОu¾7ĉBl€â‰-ºx~|UåU‰  h*Hœ|e"#"?vpÄiŠe6^ˆ„+qâŠm8 #VÇá ‘å–ÄV„œ|Šè•m"сœn|@›U¶ÆΞ—Špb¥G¨ED”€±Úê2FÌIç? >Éxå Œ± ¡¤„%‘žjŸ‘ꄯ<Ìaà9ijÐ2˜D¦È&›†Z`‚å]wþ¼Â:ç6àB¤7eFJ|õÒ§Õ,¨äàFÇ®cS·Ê¶+B°,‘Þ˜ºNûãØ>PADÌHD¹æž«ÄÀnÌ¥}­#Ë’ë QÀÉSÌÂÇ2ÌXÀ{æk²lQÁ2«ÊðÀ¯w|2Í h‹ÄÂG€,m¾¶ë3ÐÙ6-´ÅE¬L°ÆIij*K½ÀÇqï`DwVÍQXœÚÔpeœ±¬Ñ q˜§Tœ½µƒ°Œìu Â<¶aØ*At¯lmEØ ü ôÛN[P1ÔÛ¦­±$ÜÆ@`ùåDpy¶yXvCAyåB`ŽD¶ 0QwG#¯ æš[^Äþ $ÀÓÝǦ{„L™[±úKÄgÌ;ï£S~¹ìGX.ôgoT.»åˆ°ùŸûù¡?1zö¦Ÿž:ÅgÁ|ìL¹ „®£œŠ‚à0œ]PÁ^p F<"•ç?!,ñ‡N4—…PÄ Á„ö¨Û:Tè@hÀ‹%táÿ:ø-žI<`þ‹p I….)^ 40D#p@ƒj4–؀:²‰1Øâr˜¼F2oW¼#Z†;$Q q” ‘ ÂK¦ñNl#29 !’F@¥Bh·ᏀL!—XFóLH‘Kh¤.«hE&JòG¨¥<™WN!€ÑÙÚˆY„@†>Œž19J" 2,/ &.GXB%ÌRÈ9B6¹W]’î×ÔW¥’IÎ$ ñ‹ÓŒE8YÆ ¼³™ñA5“à®Q.aŸB€&Ø©³ JÁ—! ¦t)K%tœ-¦JF bòNMxLôþ)ÐR¸Ð™‘ èÝ6‘O!THÌ„HÛ ‰ !ù ) , =( …AXKgNgYvYxR"k\%wh…hŽh%ˆg+ˆs%—r.—x3˜x¨}9®€&©€+¨Œ,©‡7§‰%¶†(¹–.¹5·&Çš)ǘ;Í•&×£*Ȳ)ׯ7×»4ï°3øÌ6ò‘HÖ§KÍ»Hó¯T÷¨Yÿ»qÿÇhÿ þÀ”pH,È¤rÉl:ŸÐ¨tJ­Z¯Ø¬vËíz¿à°xL.›Ïè´zÍn»ßð¸|N¯Ûïø¼~Ïïûÿ€‚ƒ„…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§g ª« E$±²¨ª­ · °²½$E$ÂÕ««D· Í ¿¦Ç¶¸ÌŒ¾³CÃÅÆ E ééH½MÛÂGâªD­ çBêêϾD²ÒaÀà€Š1r­ðÓ¤ ÔožzU!L˜C'¾yW½UGtäÇïÙllê0×àÂuGþ)AÀs[þ·xì ÁxO%ƒûX2ó—  P£n›R/¡ÑšHše+êDm?# —‘Ç£6¡8íJ¡ŸâDiäªM¥Ö„ôj“¬¹£5oQ7°- <‡ *´lãÓŒ2r/a!l)dÈ A™ÈE¢ôÔ͆…ð ;Ö˜c ¡%ß‚’Ùˆâ¸b½—pe~C"BíëÚHïeF2§æŠ8qb t_`urŠeü wÅu3êæPv§h•"ß`íÍxçLĹÜÖ3á  ~Öº“®›¸ÏMDfJÙ °„ÛµáWõ%§œ‚à©–‚X Ó؁)@®Ñ›Eþ´wëuÅSxb8y\mÖzœ¥§ZbºE—ÂLªÌw!y(>¡™wú=Ç|ÅÝs¢d €CÁW)HÜcC$€L Ä7„r.á\{)@ð` @ äXÈ$PD” `šaG:§æˆOˆ72EÐamn]ù"ŒcÊxÑŒ° &dR8`g«iÙŸLR!¦P …d’ä¡“¦ðÎTƒ¦ià|À _ ¥ Qi#¦Šg›Æ ›noMµ ›V ã£)p ç£ÎW…š=Âeªk§†j„ ´®1ß²sÉxéW«jšl|0¯B0Û, \jÛ´›6±¬¶C ÛíWþï|ëÙ‹¸ñzĸV {ì;Ýñn¼òVˆm³I¼³.Ðã¤PN¥ ²µ¼„µCã+¹ÍByî£Ñ¾HŸ›ëê 7ìYÆFTk¨SaoaY$Dµœìï¿Ã29RÈkt Çïfñ ÇÒ:ÀÐSp¹3ÇI¨â¥DZÄ ü9Ïýögñ½­uÔ*3)O‘˜Ö[_hv ,àî×Et Ÿé¶BH€ Õ[ü±64M@ÔSÌM7dÐl5-ÄÙU܍´©zߌ3Ô€3ž„ „ ¶ÛPô½5×g› êÚ˜kN„Ý…0Îj4€Ìë°“#{þÕ3S2çKÜ'ợlø¼Ú2K{° {Û¶?žm𸧠ËI¼nEò='êüóºè^üæÃ_Û=°óž‚ì#Oý¿Í'¡½áo..ÏYìnüñCœO±Áa¿¢Kô½o,üÄËbö²çºíï{ËC Ú— "”Ï{ËK ÍÒw„õ±Oz dÕ¨à:$ ƒô—«v»] A#ð «€¿šéz)Rx׿ˆ¥‚d``èw-îyÏf×K!ð€þ­Ð|ìPľ„=Ì`ý(f” 'Pa ¥ÐBJa%Ðâf§„%Š¡}FàáÝ×6>ÉäŠG"éŽè=ø!oŠ°^FP¼Ø©Q„ÀCÙÁ`(Ž\ÄÝ® ©Â$<n@dÄ E#ììUÒI! ‚#lù‹`k¦ÐÇ'Rró’ZýNBÈMF Í[¤+‹ðɈ-áwj¨¥þ8¾rá ,VÂh„"|½œ=×G_¦Ñ™EØ 0i*%̲˜Æda0mV‚k¾)›;„&6 p>ÓjK “¦Ç# âDÂ:ûc?:R Ó¬fÞéI-Ì“•Ã<ä=™Ï7˜3œ¨˜c2ŒW ,ˆ”8(T™P‰F¡Jhç"‚ ; 403WebShell
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Current File : /scripts/vps_optimizer
#!/usr/local/cpanel/3rdparty/bin/perl

# cpanel - scripts/vps_optimizer                   Copyright 2022 cPanel, L.L.C.
#                                                           All rights reserved.
# copyright@cpanel.net                                         http://cpanel.net
# This code is subject to the cPanel license. Unauthorized copying is prohibited

package scripts::vps_optimzer;

use strict;
use warnings;

use Try::Tiny;
use Pod::Usage   ();
use Getopt::Long ();

use Cpanel::LoadFile                      ();
use Cpanel::Exception                     ();
use Cpanel::ArrayFunc::Uniq               ();
use Cpanel::FileUtils::TouchFile          ();
use Cpanel::Transaction::File::LoadConfig ();

our $version      = '2.0';
our $CPSPAMD_PATH = '/etc/cpspamd.conf';

exit __PACKAGE__->new()->run_from_command_line(@ARGV) unless caller();

sub new {
    my $class = shift;
    return bless {}, $class;
}

sub run_from_command_line {
    my ( $self, @cmdline_args ) = @_;

    die Cpanel::Exception::create('RootRequired')->to_string_no_id() unless ( $> == 0 && $< == 0 );

    $self->{'opts'} = _parse_and_validate_opts( \@cmdline_args );

    # -1 to get the right exit code
    return Pod::Usage::pod2usage( -exitval => 'NOEXIT', -output => \*STDOUT, -verbose => 99, -sections => [qw(NAME DESCRIPTION SYNOPSIS)] ) - 1
      if $self->{'opts'}->{'help'};

    return 1 if !$self->_validate_environment();
    return 0 if !$self->_should_run_on_environment();

    my $changes  = $self->determine_changes_to_be_made();
    my $restarts = $self->make_changes($changes);

    $self->_restart_services($restarts);
    $self->_mark_run_complete();

    return 0;
}

sub determine_changes_to_be_made {
    my $self = shift;

    # defaults used in the previous version
    my $changes = {
        'conserve_memory' => 1,
        'spamd_config'    => {
            'maxspare'    => 1,
            'maxchildren' => 3,
        }
    };

    require Cpanel::Sys::Hardware::Memory;
    my $mem_on_system = Cpanel::Sys::Hardware::Memory::get_installed();    # returns MiB

    if ( $mem_on_system > 1500 ) {
        $changes->{'conserve_memory'} = 0;

        if ( $mem_on_system < 2500 ) {
            $changes->{'spamd_config'}->{'maxspare'}    = 2;
            $changes->{'spamd_config'}->{'maxchildren'} = 6;
        }
        elsif ( $mem_on_system < 4000 ) {
            $changes->{'spamd_config'}->{'maxspare'}    = 3;
            $changes->{'spamd_config'}->{'maxchildren'} = 9;
        }
        else {
            $changes->{'spamd_config'}->{'maxspare'}    = 3;
            $changes->{'spamd_config'}->{'maxchildren'} = 12;
        }
    }

    return $changes;
}

sub make_changes {
    my ( $self, $changes_hr ) = @_;

    if ( $changes_hr->{'conserve_memory'} ) {
        print '[*] Enabling conserve_memory options... ';
        Cpanel::FileUtils::TouchFile::touchfile('/var/cpanel/conserve_memory')
          if !$self->{'opts'}->{'dry-run'};
        print "Done\n";
    }
    elsif ( -e '/var/cpanel/conserve_memory' ) {
        print '[*] Disabling conserve_memory options... ';
        unlink '/var/cpanel/conserve_memory'
          if !$self->{'opts'}->{'dry-run'};
        print "Done\n";
    }

    require Cpanel::Config::Services;
    my $restarts = [qw/exim dovecot tailwatchd/];
    if ( Cpanel::Config::Services::service_enabled('spamd') ) {
        $self->update_spamd_config( $changes_hr->{'spamd_config'} );
        unshift @{$restarts}, 'spamd';
    }
    return $restarts;
}

sub update_spamd_config {
    my ( $self, $spamd_config ) = @_;
    my $ex;

    require Cpanel::Transaction::File::LoadConfig;
    try {
        my $cpspamd_txn      = Cpanel::Transaction::File::LoadConfig->new( 'path' => $CPSPAMD_PATH, 'delimiter' => '=', 'permissions' => 0644 );
        my $cur_spamd_config = $cpspamd_txn->get_data();
        foreach my $directive ( sort ( Cpanel::ArrayFunc::Uniq::uniq( keys %{$spamd_config}, keys %{$cur_spamd_config} ) ) ) {
            if ( !exists $cur_spamd_config->{$directive} ) {
                print "[*] Adding spamassassin $directive as “$spamd_config->{$directive}”...\n";
            }
            elsif ( !exists $spamd_config->{$directive} || $spamd_config->{$directive} == $cur_spamd_config->{$directive} ) {
                $spamd_config->{$directive} = $cur_spamd_config->{$directive};
                print "[*] Preserving spamassassin $directive as “$spamd_config->{$directive}”...\n";
            }
            else {
                print "[*] Switching spamassassin $directive from “$cur_spamd_config->{$directive}” to “$spamd_config->{$directive}”...\n";
            }
        }

        if ( !$self->{'opts'}->{'dry-run'} ) {
            $cpspamd_txn->set_data($spamd_config);
            $cpspamd_txn->save_or_die();
        }

        print "[+] Done\n";
    }
    catch {
        $ex = $_;

        print "[!] " . Cpanel::Exception::get_string_no_id($ex) . "\n";
    };

    return $ex ? 0 : 1;
}

sub _restart_services {
    my ( $self, $restarts_ar ) = @_;

    return if $self->{'opts'}->{'dry-run'};

    print "[*] Enqueueing service restarts....\n";
    foreach my $service ( @{$restarts_ar} ) {
        _schedule_cpservices_task("restartsrv $service");
    }
    print "[+] Done\n";
    return;
}

sub _mark_run_complete {
    my $self = shift;

    if ( !-e '/var/cpanel/vps_optimized' ) {
        mkdir( '/var/cpanel/vps_optimized', 0700 );
    }

    Cpanel::FileUtils::TouchFile::touchfile("/var/cpanel/vps_optimized/$version")
      if !$self->{'opts'}->{'dry-run'};

    print "[+] Optimizations Complete!\n";
    return 1;
}

sub _should_run_on_environment {
    my $self = shift;

    my $envtype = Cpanel::LoadFile::loadfile('/var/cpanel/envtype');
    if ( $envtype && $envtype eq 'standard' ) {
        print "[*] This script is not meant to be run on standard environments\n";
        return 0;
    }
    if ( -e '/var/cpanel/vps_optimized/' . $version && !$self->{'opts'}->{'force'} ) {
        print "[*] Optimizations have already been performed once. Use --force to redo optimizations\n";
        return 0;
    }
    return 1;
}

sub _schedule_cpservices_task {
    my ($task_str) = @_;

    my $err;
    require Cpanel::ServerTasks;
    try {
        Cpanel::ServerTasks::schedule_task( ['CpServicesTasks'], 5, $task_str );
    }
    catch {
        $err = $_;
    };
    if ($err) {
        print "[!] " . Cpanel::Exception::get_string_no_id($err) . "\n";
        return 0;
    }
    return 1;
}

sub _validate_environment {
    my $self = shift;

    if ( !-e '/usr/local/cpanel/cpkeyclt' ) {
        print "[!] Incomplete cPanel installation found. Missing cpkeyclt binary!\n" if $self->{'opts'}->{'verbose'};
        return 0;
    }

    if ( !-e '/var/cpanel/envtype' ) {
        print "[*] Validating system environment via cpkeyclt...\n" if $self->{'opts'}->{'verbose'};
        system '/usr/local/cpanel/cpkeyclt';
        if ( !-e '/var/cpanel/envtype' ) {
            print "[!] Problem verifying license information";
            return 0;
        }
    }

    return 1;
}

sub _parse_and_validate_opts {
    my $cmdline_args_ar = shift;

    my $opts = {};
    Getopt::Long::GetOptionsFromArray(
        $cmdline_args_ar,
        $opts,
        'help',    'verbose', 'force',
        'dry-run', 'skipstartup'
    ) or die Cpanel::Exception->create_raw("[!] Invalid usage. See --help\n")->to_string_no_id();

    return $opts;
}

1;

__END__

=encoding utf8

=head1 NAME

vps_optimizer

=head1 DESCRIPTION

Utility to optimize services for Virtual Private Servers.

=head1 SYNOPSIS

    vps_optimizer [OPTIONS]

    --dry-run         Do not perform any optimization. Simply print what will be done to the screen.
    --skipstartup     Do not [re]start services after configuration changes have been made.
    --force           Perform optimizations even if script was run previously.
    --verbose         Enable verbose output

    --help            This documentation.

=cut

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