Qhov yuam kev 503 txhais li cas thiab yuav kho nws li cas

2024 Tus sau: Malcolm Clapton | [email protected]. Kawg hloov kho: 2023-12-17 03:58

Cov lus qhia rau cov neeg siv dav dav thiab cov thawj coj ntawm qhov chaw.

Qhov yuam kev 503 txhais li cas

Code 503 qhia tias qhov kev pabcuam khiav tsis muaj (Service Unavailable). Feem ntau qhov no tsis ntev: piv txwv li, kev nkag mus rau cov peev txheej raug kaw thaum rov pib dua lossis kho.

Tab sis qee zaum qhov yuam kev 503 tshwm sim vim qhov tseeb tias kev ua haujlwm ntawm lub kaw lus tsis raug teeb tsa kom raug. Tus neeg rau zaub mov cuam tshuam nrog cov lus thov: lees txais lawv, ua haujlwm rau lawv thiab tawm lus teb. Nws tuav cov lus nug lub teeb sai sai, thaum cov txheej txheem nyuaj siv sijhawm ntev. Yog tias muaj ntau qhov kev thov hnyav li no, cov kab nce mus qeeb.

Qhov ntev kab feem ntau yog tsau. Thaum koj mus xyuas qhov chaw, koj xa ib daim ntawv thov mus rau lub server. Yog tias tsis muaj chaw rau nws, qhov yuam kev 503 yuav tshwm sim.

Yuav ua li cas rau tus neeg siv nrog 503 yuam kev

Sim cov kauj ruam no - muaj caij nyoog qhov teeb meem yuav daws tau.

Xyuas seb txhua tus puas tau ua yuam kev

Cov kev pabcuam hauv online no yuav qhia yog tias txhua tus neeg siv tsis tuaj yeem nkag mus rau lub xaib lossis yog tias qhov yuam kev 503 tshwm rau koj nkaus xwb:

• Cia Rau Txhua Tus lossis Tsuas Yog Kuv;
• Lub Vev Xaib Lub Vev Xaib;
• 2 PIB.

Qhov tom kawg yog qhov yooj yim tshwj xeeb: nws ua rau kev thov rau lub xaib los ntawm cov servers los ntawm ntau lub teb chaws thiab qhia cov lus teb. Yog tias muaj qhov yuam kev 503 tsawg kawg ib kis, ces koj yeej tsis nyob ib leeg.

Yog tias cov kev pabcuam qhia tias muaj peev txheej, sim nkag mus rau nws los ntawm lwm lub cuab yeej. Lossis nug koj cov phooj ywg los xyuas seb txhua yam puas zoo nrog lub xaib.

Thov tos thiab sim dua tom qab

Refresh nplooj ntawv. Yog tias koj tseem pom qhov yuam kev 503, sim mus saib lub vev xaib tom qab: hauv ob peb feeb, lossis thaum muaj cov neeg siv tsawg dua. Qhov no feem ntau siv rau kev ua si lossis cov peev txheej uas tau nrov heev. Piv txwv li, yog tias tsoomfwv tshaj tawm cov nyiaj tshiab uas tau ua tiav hauv online, lub peev xwm ntawm lub server yuav tsis txaus rau txhua tus.

Reboot koj lub cuab yeej

Yog tias tsuas yog koj tab tom ntsib teeb meem, rov pib koj lub smartphone, khoos phis tawj, lossis ntsiav tshuaj yuav pab tau.

Yog tias qhov ntawd tsis ua haujlwm, rov pib koj lub router thiab. Qhov no tuaj yeem ua tau peb txoj hauv kev.

1. Ntawm lub vaj huam sib luag tswj

Nws feem ntau yog nyob ntawm 192.168.0.1 lossis 192.168.0.1. IP nkag ncaj qha rau hauv browser, tab sis cov kev xaiv muaj peev xwm - xyuas cov lus qhia rau koj tus qauv.

Hauv lub vaj huam sib luag koj yuav tsum nrhiav lub pob "Restart" lossis "Restart": nws tuaj yeem nyob hauv cov ntawv qhia zaub mov "System", "System" thiab lwm yam. Nyem thiab tos rau nplooj ntawv tshiab.

2. Siv lub khawm kaw

Lub khawm On / Off feem ntau yog nyob rau sab nraum qab ntawm lub router. Nyem rau nws, tos 20-30 vib nas this thiab tig rau lub cuab yeej dua. Lub sij hawm no yog txaus rau lub capacitors tawm, nco chips tsis tau txais lub hwj chim, tag nrho cov ntaub ntawv ib ntus rov pib dua.

Tseem ceeb! Tsis txhob cuam tshuam On / Off khawm nrog Reset, uas tsis tsuas yog reboots lub router, tab sis kuj rov pib dua nws cov chaw. Yog hais tias lub pob yog recessed rau hauv lub cev thiab koj xav tau ib tug match los yog screwdriver los nias nws, tsis txhob sim mus cuag nws.

3. Los ntawm kev tshem tawm ntawm lub qhov (socket)

Tshem tawm lub hwj chim adapter, tos 20-30 vib nas this, thiab tom qab ntawd ntsaws rau hauv.

Hloov DNS chaw nyob

Hmoov zoo, DNS server chaw nyob tuaj yeem hloov pauv. Yog li, koj tuaj yeem siv Google tus pej xeem DNS IP: 8.8.8.8 thiab 8.8.4.4 rau tus qauv IPv4, 2001: 4860: 4860:: 8888 thiab 2001: 4860: 4860:: 8844 rau IPv6 tshiab. Nov yog yuav ua li cas.

1. Hauv lub computer Windows

Nias Win + R. Nyob rau hauv lub qhov rais khiav, nkag mus nco.cpl thiab nias Enter.

Xaiv qhov kev sib txuas uas koj siv, right-click rau nws, nyem rau ntawm "Properties".

Hauv cov npe ntawm cov khoom, nrhiav cov khoom "IP version 4" lossis "TCP / IPv4", nyem "Properties". Xaiv "Siv cov chaw nyob DNS hauv qab no" xov tooj cua khawm, nkag mus rau 8.8.8.8 thiab 8.8.4.4 hauv ob kab.

Yog tias koj muaj "IP version 6" lossis "TCP / IPv6" hauv cov npe ntawm cov khoom, koj tuaj yeem teeb tsa qhov chaw nyob 2001: 4860: 4860:: 8888 thiab 2001: 4860: 4860:: 8844.

Nws kuj tseem pom zoo kom rov pib dua DNS cache. Txhawm rau ua qhov no, tuav Win + R dua, hauv "Khiav" qhov rai, nkag mus cmd ua.

Hauv console sau ipconfig / flushdns thiab nias Enter.

2. Hauv computer nrog macOS

Mus rau cov ntawv qhia zaub mov "System settings" - "Network". Yog tias koj pom lub cim nrog lub xauv kaw nyob rau hauv qab sab laug, nyem rau ntawm nws thiab sau tus password tus thawj coj hauv lub qhov rai uas tshwm.

Nyem rau ntawm qhov xav tau kev sib txuas thiab xaiv cov khoom "Advanced" los ntawm cov ntawv qhia zaub mov.

Ntawm DNS tab, nyem rau ntawm "+" thiab ntxiv chaw nyob rau hauv daim ntawv.

Tshem koj DNS cache. Pib lub davhlau ya nyob twg, sau cov lus txib sudo killall -HUP mDNSResponder … Tom qab ntawd nias Rov qab thiab sau koj tus password admin.

3. Ntawm lub router

Mus rau lub chaw tswj hwm ntawm lub router thiab nrhiav cov khoom nrog qhov chaw nyob ntawm DNS servers - lawv tuaj yeem nyob hauv DHCP nqis. Nkag mus rau ob qhov chaw nyob hauv hom ntawv raug (IPv4 lossis IPv6), nyob ntawm seb koj lub cuab yeej txhawb nqa dab tsi.

Clear YouTube cache ntawm Android

Ntawm cov khoom siv hauv Android, YouTube app 503 yuam kev qee zaum tshwm sim vim cov ntaub ntawv tsis raug hauv lub cache. Sim tshem nws kom tau txais kev pabcuam thiab rov ua haujlwm dua. Ua li no.

Mus rau qhov chaw. Nrhiav YouTube hauv daim ntawv teev cov apps.

Nres nws thiab nyem "Clear cache". Tom qab ntawd khiav daim ntawv thov dua.

Txo koj cov playlist YouTube

Qee lub sij hawm yuam kev 503 tshwm sim thaum muaj ntau cov yeeb yaj kiab hauv koj cov yeeb yaj kiab Saib Tom Qab. Sim shrinking nws thiab ces reloading nplooj ntawv los yog app.

Hu rau kev tswj hwm kev pabcuam

Tej zaum cov thawj coj ntawm lub xaib tseem tsis tau paub txog qhov teeb meem. Los yog, hloov pauv, lawv paub yuav daws li cas lossis ntau npaum li cas txhua yam yuav ua haujlwm. Hauv ntej, yog tias tsis muaj ib qho ntawm cov saum toj no tau pab, hu rau lawv.

Yuav ua li cas rau tus thawj tswj hwm nrog 503 yuam kev

Nws tag nrho yog nyob ntawm lub cav ntawm koj qhov chaw thiab nws cov chaw. Xaiv cov kev xaiv tsim nyog thiab xyuas seb qhov no puas daws tau qhov teeb meem.

Teem lub Retry Tom qab kev xaiv

Nws qhia tau hais tias ntev npaum li cas tom qab tau txais qhov yuam kev 503 tus neeg siv yuav tsum tau tos ua ntej qhov kev thov tom ntej mus rau lub server. Tus nqi yog qhia nyob rau hauv milliseconds, koj teem nws tus kheej tus nqi. Qhov no yuav tiv thaiv kev thov rov ua dua.

Tshawb xyuas lub sijhawm ntawm cov haujlwm tsis tu ncua

Hloov cov npe xa ntawv thiab lwm yam haujlwm uas feem ntau nyob hauv qhov system Cron mus rau lub sijhawm tsawg kawg ntawm server load. Thiab tib lub sijhawm, ua kom koj nco txog cov cai siv hosting kom tsis txhob ua txhaum cov kev txwv ntawm tus lej ntawm cov ntawv xa thiab lub sijhawm khiav ntawm cov ntawv sau.

Nruab DDoS tiv thaiv

Cov no kuj yog kev thov uas mus rau cov kab ke dav dav. Tshem tawm ntawm lawv - koj tuaj yeem muab cov neeg siv nkag mus rau koj cov peev txheej sai sai.

Tsis txhob hloov cov ntaub ntawv loj dhau

Feem ntau hosters txwv lub sijhawm khiav ntawm cov ntawv sau. Yog tias koj hloov cov ntaub ntawv loj los ntawm cov ntawv zoo li no, nws muaj feem ntau tias koj yuav tsis nqis peev hauv qhov txwv. Tsis tas li ntawd, kev hloov pauv yuav siv cov txheej txheem cais, uas txhais tau hais tias nws yuav tsis tuaj yeem ua cov ntawv thov los ntawm cov kab ke dav dav.

Hloov cov ntaub ntawv ncaj qha rau hauv qhov xwm txheej no yog qhov txiaj ntsig zoo dua. Nws siv cov txheej txheem ntau txoj xov, uas tsis cuam tshuam rau kev thauj khoom ceev ntawm qhov chaw lossis kev pabcuam tag nrho.

Tshem tawm cov khoom hnyav lossis cov khoom siv CMS dhau lawm

Sim tua cov khoom ntawm koj CMS ib qho los ntawm ib qho thiab saib qhov xwm txheej hloov. Yog tias koj pom qhov muaj peev xwm ntawm qhov teeb meem, sim hloov kho cov khoom siv no. Los yog xav txog yuav ua li cas tsis muaj nws - piv txwv li, hloov nws nrog ib tug tshiab thiab sai dua analogue.

Muab cov peev txheej rau hauv ib cov ntaub ntawv los txo cov kev thov

Yog tias koj daim ntawv thov lub vev xaib siv ntau qhov chaw me me (duab, stylesheets, ntawv sau, thiab lwm yam) thiab thauj lawv txhua tus nrog kev thov cais, lawv tuaj yeem nqa ib feem tseem ceeb ntawm cov kab. Txhawm rau daws qhov teeb meem, muab txhua yam rau hauv ib daim ntawv.

Tshem cov kev sib txuas mus rau cov chaw taws teeb tswj

Tej zaum lawv yuav tsis teb ntev dhau. Nyob rau hauv lub meantime, tus so ntawm kev thov rau koj tus neeg rau zaub mov yuav tos rau kev ua.

Saib rau cov teeb meem zoo li no hauv cov cai, thiab yog tias koj ua tsis tau yam tsis muaj chaw taws teeb server, teem sijhawm me me los tos. Xav txog tej yam uas nws tsis muaj sij hawm los teb.

Optimize MySQL cov lus nug

Yog tias koj siv MySQL thiab qee cov lus nug qeeb txaus, qee tus neeg muab kev pabcuam hosting cia li tsim cov ntaub ntawv mysql-slow.log. Nws sau cov teeb meem feem ntau database hu. Tshawb xyuas lawv thiab ua kom zoo dua yog tias ua tau.

Tsis tas li ntawd, index cov ntaub ntawv thiab sim siv caching Cheebtsam uas yuav txo tau tus naj npawb ntawm kev thov.

Nruab anti-leech

Yog tias lwm tus webmaster siv cov kev sib txuas ncaj qha rau koj cov peev txheej, piv txwv li, ntxig koj cov duab rau ntawm nws nplooj ntawv, qhov no kuj nce qhov kev thov. Anti-leech modules thiab chaw teeb tsa zoo tiv thaiv qhov no. Qee tus tswv tso cai rau koj los pab lawv hauv pawg tswj hwm. Rau lwm tus, koj yuav tsum teeb tsa txhua yam manually, piv txwv li, los ntawm cov cai mod_rewrite hauv.htaccess cov ntaub ntawv lossis cov qauv ntawm tus kheej.

Nruab caching Cheebtsam

Lawv yuav pab koj offload qhov kev thov queue thiab txo qhov nruab nrab lub sij hawm ua. Yog li ntawd, yuav muaj chaw rau hits tshiab, thiab cov neeg siv yuav tsis pom 503 yuam kev.

Tham nrog tus tswv tsev

Tej zaum qhov teeb meem tsis yog koj nkaus xwb, thiab cov kws paub txog lub tuam txhab hosting paub yuav daws li cas. Nws yuav tsis yog superfluous mus hla FAQ-cov ntaub ntawv ua ntej ntawd thiab saib cov ntsiab lus tshiab ntawm lub rooj sab laj kev pab. Muaj lub caij nyoog uas twb muaj cov lus qhia npaj txhij.