Have You Tried Turning It Off And On Again? Joomla World Conference 2013

8/14/2019 Have You Tried Turning It Off And On Again? Joomla World Conference 2013

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Have you tried turning itON and OFF again?

Troubleshooting Joomla!problems

Peter Martin, twitter: @pe7er

Joomla World Conference, Sat Nov 9th 20!


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Have you tried turning itOFF and ON again?

Troubleshooting Joomla!problems

Peter Martin, twitter: @pe7er

Joomla World Conference, Sat Nov 9th 20!


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Overview Presentation

>>>Sheets via:www.db8.nl


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"# Extensions$ an introduction


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"# Extensions$ an introduction


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b) Troubleshooting process


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b) Troubleshooting process

"peratin# S$%tem &"S'

"peratin# S$%tem &"S'

We(%erver

P)P &ver%ion*'

M$S+ data(a%e %erver

oad(alancer-row%er

-row%er addon%

.ir/%%cannerocal rea Networ1

irewall

Wide rea Networ1

3omain Name S$%tem

Modem45o/ter

Joomla data(a%e

Joomla file%

Joomla extensions

3rdparty extensions

6htacce%% Server override%

Parameter%

cce%% Control i%t &C'

S

erverwithweb

site

Co

mputerofwebsitevisitor

IS

P

User

Chair

e$(oard

ile4folder permi%%ion%


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b) Troubleshooting process"#%a&e a backup first' (eg &eeba)

*#+now difference between ,omponents$ %odules$Plugins$ Templates - .anguage files

/#0ind the cause of the error1

2eproduce the error with different parameters ,hange one parameter at a time - then test#

,hec& all different 3chains4 - var5 them 3extremel54

6#s& for help1

s& the right question in right forum - right sub7ecttitle

8ive sufficient information$ be concise - bullet lists

9#:e 3Open Source4 - report back!


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c) Extensions in short


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c) Extensions 9 t5pesExtending ;oomla


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c) Extensions ,omponent =etermines functionalit5 of a page

%ultiple 3%odi41 ,2>= (Create, Read, Update, Delete) Onl5 one component on a page

ctivation

via >2. ? -option@comAcomponentname

Example

comAcontent


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c) Extensions %odule Supportive$ 3Bidget4$ onl5 displa5 to screen (3%odule

Positie4)

One mode (e#g# 2ead from database - =ispla5)

%ultiple modules on a page

ctivation

via menu item1 >2. ? -Itemid@x

Example

modAbreadcrumbs


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c) Extensions Plugin Supportive# Bor&s invisible in bac&ground#

One mode1 does one thing (e#g# search - replace) %ultiple plugins at a time

ctivation

via certain 3events4 (of 3hoo&s4) in components

Example Plugin

,ontent C Email ,loa&ing


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c) Extensions Template Supportive# =oes la5out of website

One mode (=ispla5 DT%. with ,SS - 3Elements4) One template on a page$ multiple possible

ctivation

=efault and assigned ones in parameter %enu Item

Example

;oomla /#x default template 3Protostar4


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c) Extensions .anguage 0iles Supportive# Translation for 3s5stem labels4

One language at a time (on a page) %ultiple possiblemultilanguage website

ctivation

=efault - .anguage Overrides in database

ExampleFlanguageFenC8:FenC8:#ini

c) Extensions Bor&ing


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c) Extensions Bor&ingtogether

;oomla


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d) "G ,ommon Errors -uestions


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"# :lan& Page


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"# Error1 3:lan& Page4 After Upgrade - blank page in the front and

backend! Getting blank page when enabling the Search

Engine Friendl

h " #ite i# blank page after "o$ing to other#er$er%

Searching ret&rn# blank page!

'lank page after ad"in login


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)ave $o/ triedt/rnin# it off

and on a#ain8


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"# Solution 3:lan& Page4:lan& page @ PDP error - displa5 errors @ O00

"#;oomla admin1 S5stem H 8lobal ,onfiguration HServerJ H Error 2eporting1 %aximum

*#Increase PDP error level1

.htaccess

phpAflag displa5Aerrors onphpAvalue errorAreporting C"


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*# =eprecated


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*# Error1 3=eprecated4 Deprecated( F&nction eregi) i# deprecated in

*ho"e*p&blic+ht"l*incl&de#*#efphp on line . Deprecated( F&nction #et+"agic+/&ote#+r&nti"e)

i# deprecated in*$ar*www*librarie#*php"ailer*php"ailerphp on line0102

Deprecated( A##igning the ret&rn $al&e of new breference i# deprecated in*$ar*www*"od&le#*"od+e3"en&-405*e3"en&*e3"en&cla##php on line 56

Deprecated( F&nction #plit) i# deprecated in*$ar*www*librarie#*php"ailer*php"ailerphp on line789


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m %orr$,are $o/ from

the pa%t8

* S l i 3= d4


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*# Solution 3=eprecated4Error Barning1 3Some PDP function will not be

available an5more in next PDP version4"#8et it fixed'

;oomla!2eport in bugtrac&er

/rdpart5 extension!,ontact developer with warning message

*#Dide warning

In php#ini1errorAreporting @ EA.. - KEA=EP2E,TE=

In #htaccess1phpAflag displa5Aerrors off

/ %i i ,l


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/# %issing ,lass

/ E 3%i i ,l 4


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/# Error1 3%issing ,lass4 Fatal error( Cla## :;Config: not fo&nd in

*$ar*www*incl&de#*fra"eworkphp on line 56 Fatal error( Cla## :Reader: not fo&nd in*librarie#*c"#*feed*factorphp on line 6.

Fatal error( Cla## :=od=en&?elper: not fo&ndin *4oo"la*ad"ini#trator*"od&le#*"od+"en&*t"pl*defa&lt+enabledphp on line 08

Fatal error( Cla## :;Error: not fo&nd in*p&blic+ht"l*incl&de#*fra"eworkphp on line 71

Fatal error( Cla## :;=ail?elper: not fo&nd


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am the head of ;and have it on

#ood a/thorit$ that

if $o/ t$pe


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/# Solution 3%issing ,lass41.Google the error

Lot too specific' 2emove 3unique text4 li&e 5our own folder

structure

2.Re-upload files

get original ;oomla full pac&age from sameversion

upload all files overwriting the ones on the server

6 ,h did t &


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6# ,hange did not wor&

6 Error 3,hange did not wor&4


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6# Error1 3,hange did not wor&4 @ changed 3 b&t doe# not work

Start &bli#hing doe# not work at all Show Bitle doe# not work

Article change# not $i#ible in front end

=ain "en& not #howing on =&ltiling&al web#ite Article# option not working in ;oo"la 15

Article# not #howing!% ?ow co&ld thi# be%

= #ite de#cription not #howing on google @"age# not $i#ible in Categor 'log

S&b"en& ite"# not $i#ible an"ore in ;00%


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Memor$ i% 5M*

6# Solution 3,hange did not


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gwor&4"#2efresh (3hard refresh41 ,T2. ? 09)

*#,hec& with other browser

/#Empt5 browser cache

6#Empt5 ;oomla2.s

N#,hange parameters with 3extreme4 numbers

#,hec& Template Overrides

#,hec& Template for hardcoded stuff

"G#,hec& ,.$ .anguage etc

9 6G6


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9# 6G6

9 Error1 3.in&s give 6G6 error4


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9# Error1 .in&s give 6G6 error =en don:t work

Site doe# not work after "o$e to other #er$er 797 error for all article*#ite link#

797 Error on All >ink#

=A@ =EU 797 ERRR plea#e help!!!! "en& ite"# gi$e 797 error

=en& ite" no longer working - ret&rn# with 797

error 797 error# on all link#, front page of 4oo"la fine

Strange UR>:# in ;oo"la 15. URGENT HELP

URGENThelp error 797

What doe%


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What doe%; %tand for8

What doe% it %tand for86666

What doe%nt it %tand for8

9# Solution 3.in&s give 6G6


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error4SE0 @ Search Engine 0riendl5

"#pache1rename htaccess#txt to #htaccess

*#%icrosoft IISN1rename web#config#txt to web#config

/#Lginx1put in virtual domain bloc&1location F Qindex index#php index#html index#htmRtr5Afiles uri uriF Findex#php!q@requestAuriR

M ,an


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M# ,an t login

M Error1 3,an


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M# Error1 ,an t login @ can:t login to " ad"in panel

Site ?acked and now locked o&t of ad"in ;oo"la 15 can:t login to Ad"in or Site

Cannot log in into *ad"ini#trator back-end

Can:t login ad"in or er Cannot Acce## Ad"ini#tration age

Cannot login to backend

After "o$e of #ite cannot login, loop >ocked o&t of the Ad"in

S&per U#er >ocked &t of ;oo"la 15

)ello


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)ello

)ello Comp/ter

)ello

M Solution 3,an


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M# Solution ,an t login >se php%5dmin

Reset password1 new password ? 30unction4%=9$after login >ser %anager$ Lew password'

add new Super Admin? password$ see1

http1FFdocs#7oomla#orgFDowAdoA5ouArecoverAorAresetA5ourAadminApasswordU/0

chec& pluginsin VAAextensions1plgAuserA;oomla enabled @ " !plgAauthenticationA7oomla enabled @ " !

Securit5 extension! !to&enCafterCurl

N ,an


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N# ,an t install

N# Error1 3,an


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N# Error1 ,an t install Cannot in#tall an te"plate#, pl&gin#, "od&le# or

co"ponent#

Cannot in#tall e3ten#ion# on ;oo"la! 15

?elp - Can:t in#tall e3ten#ion#, ;Folder((file#( ath i#not a folder

;@n#taller((in#tall( Failed to cop file

Unable to Find @n#tall ackage

Cannot in#tall


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N# Solution 3,an


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N# Solution ,an t install Bith specific Extension or all Extensions!

Extension right ;oomla version! ,hec& Permissions

0iles M66$ 0olders N99

S5stem H S5stem Information H =irector5Permissions

,hec& Ownership (0TP user vs Bebserver)

Bith 0TP

,hec& PDP 0ile >pload - >pload SiWe fileAuploads @ OL$ uploadAmaxAfilesiWe @ e#g# "G%

,hec& =is& Space

>nWip in FtmpF folder - 3Install from =irector54!

# Dow to remove!


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# Dow to remove!

# uestion1 3Dow to remove

XYZ4


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XYZ4 Changing the backgro&nd color%

?ow can @ Re"o$e the Howered b


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# Solution 3Dow to remove

XYZ4


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XYZ nal5We DT%.F,SS with browser

8oogle ,hrome or 0ire0ox ? addons1 Beb =eveloper

0ire:ug (or 8oogle ,hrome2. ? !tp@"

Template! ,hange template as test

Plugin! =isable plugin as test

,omponent or %odule! DT%. override!

I=E (Letbeans$ Eclipse$ 0irestorm)

# The Leed for Speed


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p

# Error1 3Bebsite slow4


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h i# " web#ite #o #low to load%

Slow web#ite! @# it " ho#ting% eb#ite loading to #low

Change# to web page #low to load

= web#ite i# loading e3tre"el #low Slow /&erie# on large web#ite

Slow loading web#ite &n#table perfor"ance)

Jer #low page loading aiting onfont#googleapi#co")

Bring to increa#e the #peed of " web#ite

@t:# too #low

)ave $o/ tried


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$forcin#

an /ne>pectedre(oot8

# Solution 3Bebsite slow4


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nal5se database queries

>se ;oomlase Yslow (0ire0ox F ,hrome browser addon)anal5se loading of website

,ompare with other hosting

:ac&up (with &eeba)

.ocal webserver op P, (with X%PP)

2estore bac&up on local P,$ test speed -compare

"G# S"t/ 8Gt D[c&/d'


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"G# Error1 3Site got hac&ed4


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Unwanted Ad$erti#er op-&p appearing on ad"infront end

@ got hacked Cant re#et #&perer pa##word

;t got hacked, ad$ice needed

@ 4t got hacked b 3333 -aarrgghh!

eb#ite got hacked b in#ert ? code in all file

;oo"la #ite hacked

Se$eral #ite# co"pro"i#ed

= #ite ha# been hac4ed! plea#e help

ebho#t "alware #can delete# #o"e file#

Got ?acked

3ear Sir %tro1e Madam


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ire, e>clamation mar1

ire, e>clamation mar1

)elp me e>clamation mar1

"G# Solution 3Site got hac&ed4


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=o 5ou have a bac&Cup!

0ind the cause =id 5ou &eep all software upCtoCdate!

nal5We server log files

Search for similar hac&s on shared hosting neighbors

Outdated ;oomla - extensions version! Beird files in FimagesF !

SSD access!

Search recent modified files

Search for 3eval(baseM6Adecode4

http1FFdocs#7oomla#orgFSecurit5A,hec&list

You have been hac&ed or defaced

e) Tools


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e) Tools "F/


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Joomla

Other ;oomla site with example installation ;oomla =ebug mode

;oomla SE0 O00 CH full >2. with all commands

;oomla S5stem Info

PDP Information

=irector5 Permissions (and or use 0TP to anal5Wepermissions - ownerFgroup)

dmin Tools (/rd

part5 Extension) nal5We - fix director5 permissions

2epair - optimiWe database tables

e) Tools *F/


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Serer

Bebserver access - error logfiles PDP error logfile

#htaccess

atabase php%5dmin

8>I based S. navigator (Sequel Pro)

"ode #$%$& %'()& )anguage strings*

I=E (e#g# Let:eans$ Eclipse$ 0ireStorm)

e) Tools /F/


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%'() +utput

Inspect DT%. F ,SS 8oogle ,hrome Inspect Element

0ire0ox ? 0irebug ddon

Beb =eveloper ddon (,hrome ? 0ire0ox)

Yslow (:rowser ddon)

atabase

&eeba :ac&up

X%PP

diff (8>I1 %eld$ Bin%erge)

The


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uestions!


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Presentation available at www#db#nl

Peter %artin

eCmail1 info at db#nl

website1 www#db#nltwitter1 [peNer

>sed Photos "F*IT , d \ *GGM *G"G P d d b T l&b & Th f ,h l 6


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IT ,rowd \ *GGMC*G"G$ Produced b5 Tal&bac& Thames for ,hannel 6Television ,orporation#

IT ,rowd photos1 http1FFspoilertv#co#u&

power button C ]gerardN] http1FFwww#sxc#huFphotoF"GG69

Old Polish T^ C +onrado 0edorcW5&o http1FFwww#sxc#huFphotoF""N99/

=iscarded C Therese :ranton http1FFwww#sxc#huFphotoFNG9/N* chains C Pablo Derrera http1FFwww#sxc#huFphotoF"/"M99

%otherboard 6 C .isa Zanchi http1FFwww#sxc#huFphotoF"G/"6

note paper C il&er http1FFwww#sxc#huFphotoF"*MM9/*

2oadside ssistance 2equired C 7amie brelsfordhttp1FFwww#sxc#huFphotoFMG/GG"

>sed Photos *F*=oodled des&s * ]igoghost] http1FFwww sxc huFphotoF""/**
http://spoilertv.co.uk/http://www.sxc.hu/photo/1009485http://www.sxc.hu/photo/1187553http://www.sxc.hu/photo/705372http://www.sxc.hu/photo/1381655http://www.sxc.hu/photo/103914http://www.sxc.hu/photo/1266532http://www.sxc.hu/photo/603001http://www.sxc.hu/photo/603001http://www.sxc.hu/photo/1266532http://www.sxc.hu/photo/103914http://www.sxc.hu/photo/1381655http://www.sxc.hu/photo/705372http://www.sxc.hu/photo/1187553http://www.sxc.hu/photo/1009485http://spoilertv.co.uk/http://www.sxc.hu/photo/1193228http://www.sxc.hu/photo/1193228


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=oodled des&s * C ]igoghost] http1FFwww#sxc#huFphotoF""/**

Tree of ,hange " C +imberl5 ohsen http1FFwww#sxc#huFphotoF"GNNMG

Aerror C lexandre 8alant http1FFwww#sxc#huFphotoFM*//

.oc& C 2obert .inder http1FFwww#sxc#huFphotoF"/9/N

tap 7oint C sif &bar http1FFwww#sxc#huFphotoFM6/N

claws C esra su http1FFwww#sxc#huFphotoF*GMM

Speedometer bdulhamid l0adhl5 http1FFwww#sxc#huFphotoF"/G" ,rowbar C 2ichard =udle5 http1FFwww#sxc#huFphotoF96*MM

Tools C ; :oont7e http1FFwww#sxc#huFphotoFG99N"

signs signs C ;ason nton5 http1FFwww#sxc#huFphotoFN9"G/6

0ace C uestions C :ob Smith http1FFwww#sxc#huFphotoF6"*"9
http://www.sxc.hu/photo/1193228http://www.sxc.hu/photo/1077609http://www.sxc.hu/photo/682383http://www.sxc.hu/photo/1395379http://www.sxc.hu/photo/864387http://www.sxc.hu/photo/206896http://www.sxc.hu/photo/1390189http://www.sxc.hu/photo/854266http://www.sxc.hu/photo/805571http://www.sxc.hu/photo/751034http://www.sxc.hu/photo/418215http://www.sxc.hu/photo/418215http://www.sxc.hu/photo/751034http://www.sxc.hu/photo/805571http://www.sxc.hu/photo/854266http://www.sxc.hu/photo/1390189http://www.sxc.hu/photo/206896http://www.sxc.hu/photo/864387http://www.sxc.hu/photo/1395379http://www.sxc.hu/photo/682383http://www.sxc.hu/photo/1077609http://www.sxc.hu/photo/1193228

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Have You Tried Turning It Off And On Again? Joomla World Conference 2013