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7 Years of Puppet 
Horror Stories 
Kris Buytaert 
@krisbuytaert
KKrriiss BBuuyyttaaeerrtt 
● II uusseedd ttoo bbee aa DDeevv,, 
● TThheenn BBeeccaammee aann OOpp 
● CChhiieeff TTrroolllliinngg OOffffiicceerr aanndd OOppeenn SSoouurrccee 
CCoonnssuullttaanntt @@iinnuuiittss..eeuu 
● EEvveerryytthhiinngg iiss aann eeffffiinngg DDNNSS PPrroobblleemm 
● BBuuiillddiinngg CClloouuddss ssiinnccee bbeeffoorree tthhee bbooookkssttoorree 
● SSoommee bbooookkss,, ssoommee ppaappeerrss,, ssoommee bbllooggss 
● EEvvaannggeelliizziinngg ddeevvooppss
SSeettttiinngg tthhee SSttaaggee 
● [[rroooott@@xxeenn ~~]]## rrppmm --qqaa || ggrreepp ppuuppppeett 
ppuuppppeett--00..2233..22--1..eell55 
● --rrwwxxrr--xxrr--xx 1 rroooott rroooott 4880099 AAuugg 2222 22000077 
//uussrr//bbiinn//ppuuppppeett 
● CCoonnssuullttiinngg @@ ddiiffffeerreenntt ccuussttoommeerrss.. 
● TTeelllliinngg mmyy wwaarr ssttoorriieess,, ssoo yyoouu ddoonn''tt hhaavvee ttoo
DDeebbuuggggiinngg IInnffrraassttrruuccttuurreess 
Everything is a Funky DNS Problem 
No really, Everything is a Funky DNS Problem 
If it's not a funky DNS Problem .. 
It's an arp problem 
If it's not an arp problem... 
It's a Full Filesystem Problem 
If your filesystem isn't full 
It's a Spanning Tree problem 
If it's not a spanning Tree problem... 
It's a USB problem 
If it's not a USB Problem 
It might be an ntp problem 
If it's not an ntp problem 
It's a sharing IRQ Problem 
If it's not a sharing IRQ Problem 
But most often .. its a Freaking Dns Problem ! 
Or someone playing tricks on you 
Jan 2006
Chapter 1:: DDeeppllooyyiinngg aa PPuuppppeettmmaasstteerr
CChhiicckkeenn aanndd EEggggss 
● PPllaattffoorrmm == RRaacckk ffuullll 
● 22xx ppxxee,, yyuumm,, ddhhccppdd,, ppuuppppeettmmaasstteerr 
● RReeiinnssttaalllliinngg tthhee ppllaattffoorrmm 
• SSccrraattcchh tthhee cceennttrraall bbooxx 
• SSccrraattcchh tthhee ootthheerr bbooxxeenn
WWoorrkkss iinn DDeevv,, FFaaiillss iinn PPrroodd 
PPrroodd == sshhiippppeedd ppllaattffoorrmm oonn ootthheerr ccoonnttiinneenntt 
● PPllaattffoorrmm wwoorrkkss,, lleettss rreeddeeppllooyy.. 
● TTaakkee ddoowwnn PPuuppppeettMMaasstteerr.. 
● RReebboooottssttrraapp 
● BBoooossttrraapp ffiirrsstt ccoouuppllee ooff nnooddeess,, ssuucccceessss 
● MMoorree nnooddeess.... ffaaiilluurree ssttaarrtt hhaappppeenniinngg
IItt''ss nnoott yyoouurr ccooddee 
● SSttrriipp oouutt ccooddee,, 
● RRuunnss wwoorrkk ssoommeettiimmeess oonn aallmmoosstt eemmppttyy 
ccaattaallooggss 
● RReeeennaabbllee ccooddee 
● RRuunn sseerrvveerr iinn ddeebbuugg,, pprroobblleemm ggeettss wwoorrssee 
AAbboouutt ttoo rreennaammee tthhee ppuuppppeettmmaasstteerr ttoo 
sscchhrrooddiinnggeerr
224 hhoouurrss aanndd aa VVPPNN FFaaiilluurree llaatteerr
TThhee CCrruullppiitt :: 
● PPaarrttiiaall ffaaiilliinngg MMaannaaggeedd PPoowweerrssuuppppllyy 
● 66 bbooxxeenn wweerree nnoott ppoowweerreedd ooffff 
● UUssuuaallllyy wwee ppoowweerreedd ooffff aallll tthhee ootthheerr bbooxxeenn 
● BBrreeaakkiinngg wweebbrriicckk ,, 
● WWiitthh oolldd ssssll rreeqquueessttss
Chapter 2: Hoonnoouurr yyoouurr ppaarreennttss oorr yyoouurr ddiisskkss wwiillll 
fflloooodd
##MMoonniittoorriinnggSSuucckkss 
● PPuuppppeettrruunnss bbrreeaakk oouurr IIcciinnggaa bbooxxeenn 
● BBaaddllyy 
● FFrreeqquueennttllyy
SSttoorreedd CCoonnffiiggss
EExxppoorrttiinngg aanndd CCoolllleeccttiinngg
IItt aaiinn''tt bboorrkkeenn 
● SSuucccceessssffuull ppuuppppeett rruunn 
● SSuucccceessssffuull IIcciinnggaa rreeccoonnffiigguurree 
● DDiisskk uussaaggee ggrroowwss 
● FFaasstt
7 Years of Puppet Horror Stories
AA PPuuppppeett BBuugg
CChhaapptteerr 33:: RReelleeaassee MMaannaaggeemmeenntt
IItt wwoorrkkss,, iitt ddooeessnn''tt wwoorrkk 
● IImmaaggiinnee aa wwoorrkkiinngg ppuuppppeett sseettuupp 
● AAtt ddiiffffeerreenntt ccuussttoommeerrss 
● UUppssttrreeaamm VVeennddoorr rreelleeaasseess nneeww ssooffttwwaarree 
● HHaallff ooff tthhee ccuussttoommeerrss ccaallll ccrryyiinngg tthhaatt tthheeiirr 
ppllaattffoorrmm iiss bbrrookkeenn
AA bbrrookkeenn mmccoolllleeccttiivvee 
● CCuussttoommeerrss wwiitthh sseellff mmaannaaggeedd ((ppaacckkaaggee)) rreeppooss 
aarree hhaappppyy 
● CCuussttoommeerrss uussiinngg uuppssttrreeaamm rreeppooss aarree iinn ppaaiinn
RReeppoossiittoorryy MMaannaaggeemmeenntt 
● PPuullpp 
• PPrroo :: MMiirrrroorriinnggLLoovvee 
• CCoonn :: MMoonnggoo,, SSttaabbiilliittyy,, ..ddeebb,, ffoorrggee 
● PPRRMM 
● YYuumm RReeppoo SSeerrvveerr bbyy IISS2244
RReeppoossiittoorryy MMaannaaggeemmeenntt
VVeerrssiioonn vvss LLaatteesstt 
● VVeerrssiioonn yyoouurr rreeppooss ?? 
eennssuurree ==>> llaatteessttss 
● LLaatteesstt yyoouurr eennvviirroonnmmeennttss ?? 
● SSttrriicctt vveerrssiioonniinngg iinn ccoonnffiigg ?? 
EEnnssuurree ==>> ''00..998..44'' 
UUssee HHiieerraa
CChhaapptteerr 44:: WWee aarree aallll ddeevvss nnooww
NNoo mmoorree ppuuppppeett rruunnss ::(( 
● PPuuppppeett iiss ccrroonnnneedd 
● DDaasshhbbooaarrdd sshhoowwss nnoo ssuucccceessssffuull rruunnss ffoorr hhoouurrss 
● ppuuppppeett aaggeenntt --tt ssttaarrttss ,, tthheenn eexxiittss wwiitthh nnoo eerrrroorr
WWee ddiiddnn''tt cchhaannggee aa tthhiinngg !! 
● QQuuiicckk ggiitt lloogg sshhoowweedd nnoo rreelleevvaanntt cchhaannggeess oonn 
tthhee ccooddee bbaassee..
LLeett''ss ddeebbuugg 
● PPuutt aaggeenntt iinn vveerrbboossee 
● PPuutt mmaasstteerr iinn vveerrbboossee
LLeett''ss ddeebbuugg 
● PPuutt aaggeenntt iinn vveerrbboossee 
● PPuutt mmaasstteerr iinn vveerrbboossee 
● TTrryy ddiiffffeerreenntt eennvviirroonnmmeennttss
LLeett''ss ddeebbuugg 
● PPuutt aaggeenntt iinn vveerrbboossee 
● PPuutt mmaasstteerr iinn vveerrbboossee 
● TTrryy ddiiffffeerreenntt eennvviirroonnmmeennttss ((iitt wwoorrkkss iinn 11)) 
● UUppggrraaddee ppuuppppeettmmaasstteerr 
● UUppggrraaddee ppuuppppeett aaggeenntt
LLeett''ss ddeebbuugg 
● PPuutt aaggeenntt iinn vveerrbboossee 
● PPuutt mmaasstteerr iinn vveerrbboossee 
● TTrryy ddiiffffeerreenntt eennvviirroonnmmeennttss 
● UUppggrraaddee ppuuppppeettmmaasstteerr 
● UUppggrraaddee ppuuppppeett aaggeenntt 
● MMooddiiffyy //eettcc//hhoossttss
LLeett''ss ddeebbuugg 
● PPuutt aaggeenntt iinn vveerrbboossee 
● PPuutt mmaasstteerr iinn vveerrbboossee 
● TTrryy ddiiffffeerreenntt eennvviirroonnmmeennttss 
● UUppggrraaddee ppuuppppeettmmaasstteerr 
● UUppggrraaddee ppuuppppeett aaggeenntt 
● MMooddiiffyy //eettcc//hhoossttss 
● CClleeaann SSSSLL CCeerrttss
CCaalllleedd iinn tthhee ttrrooooppss 
● II''vvee nneevveerr sseeeenn ssoommeetthhiinngg lliikkee tthhiiss bbeeffoorree 
● TThheeyy ccoouullddnn''tt ffiinndd aa tthhiinngg eeiitthheerr .... 
● WWee''vvee nneevveerr sseeeenn ssoommeetthhiinngg lliikkee tthhiiss bbeeffoorree..
WWee ddiiddnn''tt cchhaannggee aa tthhiinngg ((22))!! 
● QQuuiicckk ggiitt lloogg sshhoowweedd nnoo rreelleevvaanntt cchhaannggeess oonn 
tthhee ccooddee bbaassee.. 
● OOnn tthhee mmaanniiffeessttss iinncclluuddeedd iinn tthhee ppllaattffoorrmm wwhheerree 
tthhee ccooddee wwaass ffaaiilliinngg 
● 9955%% LLiinnuuxx nnooddeess ffaaiilliinngg,, nnoo ccooddee cchhaannggee
EExxiitt ZZeerroo 
● 55%% WWiinnddoowwss nnooddeess,, ccooddee cchhaannggeess iiggnnoorreedd 
==>> tthhaatt mmoodduullee iissnn''tt uusseedd oonn LLiinnuuxx rriigghhtt ??
Chapter 55:: SSooffttwwaarree ddeeffiinneedd NNeettwwoorrkk
BBuussiinneessss aass uussuuaall 
● FFuullllyy ppuuppppeettiizzeedd 
ppllaattffoorrmm 
● DDeeppllooyyeedd 55++ 
iinnssttaanncceess ooff ppllaattffoorrmm 
● IIPPSSeecc TTuunnnneellss iinn aallll 
ddiirreeccttiioonnss ..
OOnnee MMoorrnniinngg 
● PPuuppppeettrruunnss ssttaarrtt ffaaiilliinngg 
● PPeerrffeecctt aacccceessss ttoo nneeww ccuussttoommeerr ppllaattffoorrmm 
● MMoonniittoorriinngg ssaayyss eevveerryytthhiinngg iiss ffiinnee.. 
● BBooxxeenn ccaann ppiinngg ppuuppppeettmmaasstteerr 
● PPuuppppeettmmaasstteerr ccaann ppiinngg bbooxxeenn
EEvveerryytthhiinngg iiss aa FFuunnkkyy DDNNSS 
PPrroobblleemm 
● RReevveerrssee DDNNSS wwaass bbrrookkeenn 
● FFiixxeedd RReevveerrssee DDNNSS ffoorr nneeww ppllaattffoorrmm 
● HHeeyy .... tthhiiss llooookkss bbeetttteerr
BBuutt iitt''ss nnoott ffiixxeedd yyeett 
● IItt''ss ssssll ?? 
● LLeett''ss cclleeaarr ssoommee CCeerrttss.. 
● NNooppee nnoott SSSSLL
II ccaann ccoonnnneecctt !! 
● II ccaann ppiinngg tthhee ppuuppppeettmmaasstteerr 
● II ccaann tteellnneett ttoo ppoorrtt 88114400 oonn tthhee ppuuppppeettmmaasstteerr 
● TThhee ppuuppppeettmmaasstteerr ccaann ppiinngg mmee 
● IItt aallll wwoorrkkss
BBuutt 
● II ccaann''tt wwggeett ffrroomm tthhee ppuuppppeettmmaasstteerr 
● IItt mmuusstt bbee nneettwwoorrkkiinngg 
● IIss iitt aa nnaatt rruullee oonn tthhee vvppnn ??
HHaavvee yyoouu ttrriieedd ttuurrnniinngg iitt ooff 
aanndd oonn aaggaaiinn ?? 
● BBrrookkeenn IIPPSSeecc sseettuupp 
● RReessttaarrttiinngg ttuunnnneellss 
ssoollvveedd iitt..
CChhaapptteerr 77:: TThheerree''ss 33 hhaarrdd tthhiinnggss iinn IITT 
-- CCaacchhee IInnvvaalliiddaattiioonn 
-- SShhaarreedd MMeemmoorryy MMaannaaggeemmeenntt 
-- OOffff bbyy 11 eerrrroorrss 
-- NNaammiinngg tthhiinnggss
YYeett aannootthheerr bbrrookkeenn ppuuppppeettrruunn 
eerrrr:: CCoouulldd nnoott rreettrriieevvee ccaattaalloogg ffrroomm rreemmoottee 
sseerrvveerr:: EErrrroorr 440000 oonn SSEERRVVEERR:: AAnnootthheerr llooccaall oorr 
iimmppoorrtteedd rreessoouurrccee eexxiissttss wwiitthh tthhee ttyyppee aanndd ttiittllee 
AAppaacchhee::::VVhhoosstt[[ssoommeehhoosstt..ssoommeeccuusstteerroomm..eeuu__8800__ 
pprrooxxyy]] oonn nnooddee pprrooxxyy..ssoommeewwhheerree..eeuu 
wwaarrnniinngg:: NNoott uussiinngg ccaacchhee oonn ffaaiilleedd ccaattaalloogg
BBuutt tthhaatt sshhoouullddnn''tt bbee tthheerree 
● VVhhoosstt ddooeess nnoott ggeett eexxppoorrtteedd ttoo tthheerree 
● BBooxx sshhoouulldd nnoott ccoolllleecctt tthhaatt
BBuutt tthhaatt sshhoouullddnn''tt bbee tthheerree 
● VVhhoosstt ddooeess nnoott ggeett eexxppoorrtteedd ttoo tthheerree 
● BBooxx sshhoouulldd nnoott ccoolllleecctt tthhaatt 
● DDiiggggiinngg iinn ttoo eexxppoorrttss 
● DDiiggggiinngg iinnttoo ppuuppppeettddbb ,, hhoowwss yyoouurr ppssqqll ??
CCoolllleeccttiinngg 
AAppaacchhee::::VVhhoosstt <<<<|| ttaagg == ''pprrooxxyy'' ||>> {{}} 
AAppaacchhee::::VVhhoosstt::::SSssll <<<<|| ttaagg == ''pprrooxxyy'' ||>> {{}} 
AAppaacchhee::::VVhhoosstt::::MMoodd::::RReevveerrssee__pprrooxxyy <<<<|| ttaagg == 
''pprrooxxyy'' ||>> {{}}
BBeewwaarree wwhhaatt yyoouu ccoolllleecctt!! 
● pprrooffiilleess::::vvhhoosstt::::pprrooxxyy
LLeessssoonnss LLeeaarrnneedd 
● RReeppoossiittoorryy MMaannaaggeemmeenntt iiss IImmppoorrttaanntt 
● DDeevveellooppmmeenntt eennvviirroonnmmeennttss aarree rreelleevvaanntt,, aallssoo 
ffoorr ppuuppppeett ccooddee !! 
● WWee aallll hhaattee SSSSLL 
● YYoouu nneevveerr mmoonniittoorr eennoouugghh 
● UUppggrraaddiinngg iiss mmoossttllyy nnoott tthhee ssoolluuttiioonn 
● UUnnlleessss iitt''ss aa bbuugg iinn PPuuppppeett 
● RReelleeaassee MMaannaaggeemmeenntt iiss nnoott aa ssoollvveedd pprroobblleemm
7 Years of Puppet Horror Stories
CCoonnttaacctt 
KKrriiss BBuuyyttaaeerrtt KKrriiss..BBuuyyttaaeerrtt@@iinnuuiittss..bbee 
FFuurrtthheerr RReeaaddiinngg 
@@kkrriissbbuuyyttaaeerrtt 
hhttttpp::////wwwwww..kkrriissbbuuyyttaaeerrtt..bbee//bblloogg// 
hhttttpp::////wwwwww..iinnuuiittss..bbee// 
IInnuuiittss 
DDuubbooiissttrraaaatt 5500 
22006600 AAnnttwweerrppeenn 
BBeellggiiuumm 
889911..551144..223311 
++3322 447755 996611222211

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7 Years of Puppet Horror Stories

  • 1. 7 Years of Puppet Horror Stories Kris Buytaert @krisbuytaert
  • 2. KKrriiss BBuuyyttaaeerrtt ● II uusseedd ttoo bbee aa DDeevv,, ● TThheenn BBeeccaammee aann OOpp ● CChhiieeff TTrroolllliinngg OOffffiicceerr aanndd OOppeenn SSoouurrccee CCoonnssuullttaanntt @@iinnuuiittss..eeuu ● EEvveerryytthhiinngg iiss aann eeffffiinngg DDNNSS PPrroobblleemm ● BBuuiillddiinngg CClloouuddss ssiinnccee bbeeffoorree tthhee bbooookkssttoorree ● SSoommee bbooookkss,, ssoommee ppaappeerrss,, ssoommee bbllooggss ● EEvvaannggeelliizziinngg ddeevvooppss
  • 3. SSeettttiinngg tthhee SSttaaggee ● [[rroooott@@xxeenn ~~]]## rrppmm --qqaa || ggrreepp ppuuppppeett ppuuppppeett--00..2233..22--1..eell55 ● --rrwwxxrr--xxrr--xx 1 rroooott rroooott 4880099 AAuugg 2222 22000077 //uussrr//bbiinn//ppuuppppeett ● CCoonnssuullttiinngg @@ ddiiffffeerreenntt ccuussttoommeerrss.. ● TTeelllliinngg mmyy wwaarr ssttoorriieess,, ssoo yyoouu ddoonn''tt hhaavvee ttoo
  • 4. DDeebbuuggggiinngg IInnffrraassttrruuccttuurreess Everything is a Funky DNS Problem No really, Everything is a Funky DNS Problem If it's not a funky DNS Problem .. It's an arp problem If it's not an arp problem... It's a Full Filesystem Problem If your filesystem isn't full It's a Spanning Tree problem If it's not a spanning Tree problem... It's a USB problem If it's not a USB Problem It might be an ntp problem If it's not an ntp problem It's a sharing IRQ Problem If it's not a sharing IRQ Problem But most often .. its a Freaking Dns Problem ! Or someone playing tricks on you Jan 2006
  • 5. Chapter 1:: DDeeppllooyyiinngg aa PPuuppppeettmmaasstteerr
  • 6. CChhiicckkeenn aanndd EEggggss ● PPllaattffoorrmm == RRaacckk ffuullll ● 22xx ppxxee,, yyuumm,, ddhhccppdd,, ppuuppppeettmmaasstteerr ● RReeiinnssttaalllliinngg tthhee ppllaattffoorrmm • SSccrraattcchh tthhee cceennttrraall bbooxx • SSccrraattcchh tthhee ootthheerr bbooxxeenn
  • 7. WWoorrkkss iinn DDeevv,, FFaaiillss iinn PPrroodd PPrroodd == sshhiippppeedd ppllaattffoorrmm oonn ootthheerr ccoonnttiinneenntt ● PPllaattffoorrmm wwoorrkkss,, lleettss rreeddeeppllooyy.. ● TTaakkee ddoowwnn PPuuppppeettMMaasstteerr.. ● RReebboooottssttrraapp ● BBoooossttrraapp ffiirrsstt ccoouuppllee ooff nnooddeess,, ssuucccceessss ● MMoorree nnooddeess.... ffaaiilluurree ssttaarrtt hhaappppeenniinngg
  • 8. IItt''ss nnoott yyoouurr ccooddee ● SSttrriipp oouutt ccooddee,, ● RRuunnss wwoorrkk ssoommeettiimmeess oonn aallmmoosstt eemmppttyy ccaattaallooggss ● RReeeennaabbllee ccooddee ● RRuunn sseerrvveerr iinn ddeebbuugg,, pprroobblleemm ggeettss wwoorrssee AAbboouutt ttoo rreennaammee tthhee ppuuppppeettmmaasstteerr ttoo sscchhrrooddiinnggeerr
  • 9. 224 hhoouurrss aanndd aa VVPPNN FFaaiilluurree llaatteerr
  • 10. TThhee CCrruullppiitt :: ● PPaarrttiiaall ffaaiilliinngg MMaannaaggeedd PPoowweerrssuuppppllyy ● 66 bbooxxeenn wweerree nnoott ppoowweerreedd ooffff ● UUssuuaallllyy wwee ppoowweerreedd ooffff aallll tthhee ootthheerr bbooxxeenn ● BBrreeaakkiinngg wweebbrriicckk ,, ● WWiitthh oolldd ssssll rreeqquueessttss
  • 11. Chapter 2: Hoonnoouurr yyoouurr ppaarreennttss oorr yyoouurr ddiisskkss wwiillll fflloooodd
  • 12. ##MMoonniittoorriinnggSSuucckkss ● PPuuppppeettrruunnss bbrreeaakk oouurr IIcciinnggaa bbooxxeenn ● BBaaddllyy ● FFrreeqquueennttllyy
  • 15. IItt aaiinn''tt bboorrkkeenn ● SSuucccceessssffuull ppuuppppeett rruunn ● SSuucccceessssffuull IIcciinnggaa rreeccoonnffiigguurree ● DDiisskk uussaaggee ggrroowwss ● FFaasstt
  • 18. CChhaapptteerr 33:: RReelleeaassee MMaannaaggeemmeenntt
  • 19. IItt wwoorrkkss,, iitt ddooeessnn''tt wwoorrkk ● IImmaaggiinnee aa wwoorrkkiinngg ppuuppppeett sseettuupp ● AAtt ddiiffffeerreenntt ccuussttoommeerrss ● UUppssttrreeaamm VVeennddoorr rreelleeaasseess nneeww ssooffttwwaarree ● HHaallff ooff tthhee ccuussttoommeerrss ccaallll ccrryyiinngg tthhaatt tthheeiirr ppllaattffoorrmm iiss bbrrookkeenn
  • 20. AA bbrrookkeenn mmccoolllleeccttiivvee ● CCuussttoommeerrss wwiitthh sseellff mmaannaaggeedd ((ppaacckkaaggee)) rreeppooss aarree hhaappppyy ● CCuussttoommeerrss uussiinngg uuppssttrreeaamm rreeppooss aarree iinn ppaaiinn
  • 21. RReeppoossiittoorryy MMaannaaggeemmeenntt ● PPuullpp • PPrroo :: MMiirrrroorriinnggLLoovvee • CCoonn :: MMoonnggoo,, SSttaabbiilliittyy,, ..ddeebb,, ffoorrggee ● PPRRMM ● YYuumm RReeppoo SSeerrvveerr bbyy IISS2244
  • 23. VVeerrssiioonn vvss LLaatteesstt ● VVeerrssiioonn yyoouurr rreeppooss ?? eennssuurree ==>> llaatteessttss ● LLaatteesstt yyoouurr eennvviirroonnmmeennttss ?? ● SSttrriicctt vveerrssiioonniinngg iinn ccoonnffiigg ?? EEnnssuurree ==>> ''00..998..44'' UUssee HHiieerraa
  • 24. CChhaapptteerr 44:: WWee aarree aallll ddeevvss nnooww
  • 25. NNoo mmoorree ppuuppppeett rruunnss ::(( ● PPuuppppeett iiss ccrroonnnneedd ● DDaasshhbbooaarrdd sshhoowwss nnoo ssuucccceessssffuull rruunnss ffoorr hhoouurrss ● ppuuppppeett aaggeenntt --tt ssttaarrttss ,, tthheenn eexxiittss wwiitthh nnoo eerrrroorr
  • 26. WWee ddiiddnn''tt cchhaannggee aa tthhiinngg !! ● QQuuiicckk ggiitt lloogg sshhoowweedd nnoo rreelleevvaanntt cchhaannggeess oonn tthhee ccooddee bbaassee..
  • 27. LLeett''ss ddeebbuugg ● PPuutt aaggeenntt iinn vveerrbboossee ● PPuutt mmaasstteerr iinn vveerrbboossee
  • 28. LLeett''ss ddeebbuugg ● PPuutt aaggeenntt iinn vveerrbboossee ● PPuutt mmaasstteerr iinn vveerrbboossee ● TTrryy ddiiffffeerreenntt eennvviirroonnmmeennttss
  • 29. LLeett''ss ddeebbuugg ● PPuutt aaggeenntt iinn vveerrbboossee ● PPuutt mmaasstteerr iinn vveerrbboossee ● TTrryy ddiiffffeerreenntt eennvviirroonnmmeennttss ((iitt wwoorrkkss iinn 11)) ● UUppggrraaddee ppuuppppeettmmaasstteerr ● UUppggrraaddee ppuuppppeett aaggeenntt
  • 30. LLeett''ss ddeebbuugg ● PPuutt aaggeenntt iinn vveerrbboossee ● PPuutt mmaasstteerr iinn vveerrbboossee ● TTrryy ddiiffffeerreenntt eennvviirroonnmmeennttss ● UUppggrraaddee ppuuppppeettmmaasstteerr ● UUppggrraaddee ppuuppppeett aaggeenntt ● MMooddiiffyy //eettcc//hhoossttss
  • 31. LLeett''ss ddeebbuugg ● PPuutt aaggeenntt iinn vveerrbboossee ● PPuutt mmaasstteerr iinn vveerrbboossee ● TTrryy ddiiffffeerreenntt eennvviirroonnmmeennttss ● UUppggrraaddee ppuuppppeettmmaasstteerr ● UUppggrraaddee ppuuppppeett aaggeenntt ● MMooddiiffyy //eettcc//hhoossttss ● CClleeaann SSSSLL CCeerrttss
  • 32. CCaalllleedd iinn tthhee ttrrooooppss ● II''vvee nneevveerr sseeeenn ssoommeetthhiinngg lliikkee tthhiiss bbeeffoorree ● TThheeyy ccoouullddnn''tt ffiinndd aa tthhiinngg eeiitthheerr .... ● WWee''vvee nneevveerr sseeeenn ssoommeetthhiinngg lliikkee tthhiiss bbeeffoorree..
  • 33. WWee ddiiddnn''tt cchhaannggee aa tthhiinngg ((22))!! ● QQuuiicckk ggiitt lloogg sshhoowweedd nnoo rreelleevvaanntt cchhaannggeess oonn tthhee ccooddee bbaassee.. ● OOnn tthhee mmaanniiffeessttss iinncclluuddeedd iinn tthhee ppllaattffoorrmm wwhheerree tthhee ccooddee wwaass ffaaiilliinngg ● 9955%% LLiinnuuxx nnooddeess ffaaiilliinngg,, nnoo ccooddee cchhaannggee
  • 34. EExxiitt ZZeerroo ● 55%% WWiinnddoowwss nnooddeess,, ccooddee cchhaannggeess iiggnnoorreedd ==>> tthhaatt mmoodduullee iissnn''tt uusseedd oonn LLiinnuuxx rriigghhtt ??
  • 35. Chapter 55:: SSooffttwwaarree ddeeffiinneedd NNeettwwoorrkk
  • 36. BBuussiinneessss aass uussuuaall ● FFuullllyy ppuuppppeettiizzeedd ppllaattffoorrmm ● DDeeppllooyyeedd 55++ iinnssttaanncceess ooff ppllaattffoorrmm ● IIPPSSeecc TTuunnnneellss iinn aallll ddiirreeccttiioonnss ..
  • 37. OOnnee MMoorrnniinngg ● PPuuppppeettrruunnss ssttaarrtt ffaaiilliinngg ● PPeerrffeecctt aacccceessss ttoo nneeww ccuussttoommeerr ppllaattffoorrmm ● MMoonniittoorriinngg ssaayyss eevveerryytthhiinngg iiss ffiinnee.. ● BBooxxeenn ccaann ppiinngg ppuuppppeettmmaasstteerr ● PPuuppppeettmmaasstteerr ccaann ppiinngg bbooxxeenn
  • 38. EEvveerryytthhiinngg iiss aa FFuunnkkyy DDNNSS PPrroobblleemm ● RReevveerrssee DDNNSS wwaass bbrrookkeenn ● FFiixxeedd RReevveerrssee DDNNSS ffoorr nneeww ppllaattffoorrmm ● HHeeyy .... tthhiiss llooookkss bbeetttteerr
  • 39. BBuutt iitt''ss nnoott ffiixxeedd yyeett ● IItt''ss ssssll ?? ● LLeett''ss cclleeaarr ssoommee CCeerrttss.. ● NNooppee nnoott SSSSLL
  • 40. II ccaann ccoonnnneecctt !! ● II ccaann ppiinngg tthhee ppuuppppeettmmaasstteerr ● II ccaann tteellnneett ttoo ppoorrtt 88114400 oonn tthhee ppuuppppeettmmaasstteerr ● TThhee ppuuppppeettmmaasstteerr ccaann ppiinngg mmee ● IItt aallll wwoorrkkss
  • 41. BBuutt ● II ccaann''tt wwggeett ffrroomm tthhee ppuuppppeettmmaasstteerr ● IItt mmuusstt bbee nneettwwoorrkkiinngg ● IIss iitt aa nnaatt rruullee oonn tthhee vvppnn ??
  • 42. HHaavvee yyoouu ttrriieedd ttuurrnniinngg iitt ooff aanndd oonn aaggaaiinn ?? ● BBrrookkeenn IIPPSSeecc sseettuupp ● RReessttaarrttiinngg ttuunnnneellss ssoollvveedd iitt..
  • 43. CChhaapptteerr 77:: TThheerree''ss 33 hhaarrdd tthhiinnggss iinn IITT -- CCaacchhee IInnvvaalliiddaattiioonn -- SShhaarreedd MMeemmoorryy MMaannaaggeemmeenntt -- OOffff bbyy 11 eerrrroorrss -- NNaammiinngg tthhiinnggss
  • 44. YYeett aannootthheerr bbrrookkeenn ppuuppppeettrruunn eerrrr:: CCoouulldd nnoott rreettrriieevvee ccaattaalloogg ffrroomm rreemmoottee sseerrvveerr:: EErrrroorr 440000 oonn SSEERRVVEERR:: AAnnootthheerr llooccaall oorr iimmppoorrtteedd rreessoouurrccee eexxiissttss wwiitthh tthhee ttyyppee aanndd ttiittllee AAppaacchhee::::VVhhoosstt[[ssoommeehhoosstt..ssoommeeccuusstteerroomm..eeuu__8800__ pprrooxxyy]] oonn nnooddee pprrooxxyy..ssoommeewwhheerree..eeuu wwaarrnniinngg:: NNoott uussiinngg ccaacchhee oonn ffaaiilleedd ccaattaalloogg
  • 45. BBuutt tthhaatt sshhoouullddnn''tt bbee tthheerree ● VVhhoosstt ddooeess nnoott ggeett eexxppoorrtteedd ttoo tthheerree ● BBooxx sshhoouulldd nnoott ccoolllleecctt tthhaatt
  • 46. BBuutt tthhaatt sshhoouullddnn''tt bbee tthheerree ● VVhhoosstt ddooeess nnoott ggeett eexxppoorrtteedd ttoo tthheerree ● BBooxx sshhoouulldd nnoott ccoolllleecctt tthhaatt ● DDiiggggiinngg iinn ttoo eexxppoorrttss ● DDiiggggiinngg iinnttoo ppuuppppeettddbb ,, hhoowwss yyoouurr ppssqqll ??
  • 47. CCoolllleeccttiinngg AAppaacchhee::::VVhhoosstt <<<<|| ttaagg == ''pprrooxxyy'' ||>> {{}} AAppaacchhee::::VVhhoosstt::::SSssll <<<<|| ttaagg == ''pprrooxxyy'' ||>> {{}} AAppaacchhee::::VVhhoosstt::::MMoodd::::RReevveerrssee__pprrooxxyy <<<<|| ttaagg == ''pprrooxxyy'' ||>> {{}}
  • 48. BBeewwaarree wwhhaatt yyoouu ccoolllleecctt!! ● pprrooffiilleess::::vvhhoosstt::::pprrooxxyy
  • 49. LLeessssoonnss LLeeaarrnneedd ● RReeppoossiittoorryy MMaannaaggeemmeenntt iiss IImmppoorrttaanntt ● DDeevveellooppmmeenntt eennvviirroonnmmeennttss aarree rreelleevvaanntt,, aallssoo ffoorr ppuuppppeett ccooddee !! ● WWee aallll hhaattee SSSSLL ● YYoouu nneevveerr mmoonniittoorr eennoouugghh ● UUppggrraaddiinngg iiss mmoossttllyy nnoott tthhee ssoolluuttiioonn ● UUnnlleessss iitt''ss aa bbuugg iinn PPuuppppeett ● RReelleeaassee MMaannaaggeemmeenntt iiss nnoott aa ssoollvveedd pprroobblleemm
  • 51. CCoonnttaacctt KKrriiss BBuuyyttaaeerrtt KKrriiss..BBuuyyttaaeerrtt@@iinnuuiittss..bbee FFuurrtthheerr RReeaaddiinngg @@kkrriissbbuuyyttaaeerrtt hhttttpp::////wwwwww..kkrriissbbuuyyttaaeerrtt..bbee//bblloogg// hhttttpp::////wwwwww..iinnuuiittss..bbee// IInnuuiittss DDuubbooiissttrraaaatt 5500 22006600 AAnnttwweerrppeenn BBeellggiiuumm 889911..551144..223311 ++3322 447755 996611222211