Tinodya nzou nezvidimbu. Shandisa hutano hwekutarisisa zano nemienzaniso

Hello vose!

Kambani yedu iri kuita mukuvandudza software uye inotevera tekinoroji rutsigiro. Tsigiro yehunyanzvi haidi kungogadzirisa zvikanganiso, asi kutarisa mashandiro ezvishandiso zvedu.

Semuenzaniso, kana imwe yemasevhisi yadonha, saka iwe unofanirwa kurekodha otomatiki dambudziko iri uye wotanga kurigadzirisa, uye kwete kumirira vashandisi vasingagutsikane kuti vabatane nerutsigiro rwehunyanzvi.

Tine kambani diki, hatina zviwanikwa zvekudzidza nekuchengetedza chero mhinduro dzakaoma dzekutarisa maapplication, taida kuwana mhinduro iri nyore uye inoshanda.

Tinodya nzou nezvidimbu. Shandisa hutano hwekutarisisa zano nemienzaniso

Monitoring strategy

Hazvisi nyore kutarisa kushanda kwechikumbiro; basa iri harisi diki, munhu anogona kutoti kugadzira. Izvo zvakanyanya kuoma kuona iyo yakaoma multi-link system.

Ungadya sei nzou? Muzvikamu chete! Isu tinoshandisa nzira iyi kutarisa maapplication.

Izvo zvakakosha zvehurongwa hwedu hwekutarisa:

Kamura application yako kuita zvikamu.
Gadzira macheki ekudzora kune chimwe nechimwe chikamu.

Chikamu chinoonekwa sechinoshanda kana cheki chese chekutonga chikaitwa pasina zvikanganiso. Chikumbiro chinonzi chine hutano kana zvese zvikamu zvaro zvinoshanda.

Nokudaro, chero hurongwa hunogona kumiririrwa semuti wezvikamu. Complex components zvinokamurwa kuita zviri nyore. Zvinhu zviri nyore zvine cheki.

Tinodya nzou nezvidimbu. Shandisa hutano hwekutarisisa zano nemienzaniso

Mabhenji haana kuitirwa kuita basa rekuyedza, haasi mayuniti bvunzo. Kudzora macheki kunofanirwa kutarisa kuti chikamu chinonzwa sei panguva yazvino nenguva, kana paine zvese zviwanikwa zvinodiwa pakushanda kwayo, uye kana paine matambudziko.

Iko hakuna minana; macheki mazhinji anozoda kugadzirwa akazvimirira. Asi usatya, nokuti kazhinji cheki imwe inotora 5-10 mitsara yekodhi, asi iwe unogona kushandisa chero pfungwa uye iwe unonzwisisa zvakajeka kuti cheki inoshanda sei.

Monitoring system

Ngatitii takakamura application kuita zvikamu, takauya nekuita cheki chechikamu chimwe nechimwe, asi chii chekuita nemhedzisiro yecheki idzi? Tinoziva sei kana imwe cheki yakundikana?

Tichada monitoring system. Achaita mabasa anotevera:

  • Gamuchira mhinduro dzebvunzo uye uzvishandise kuona mamiriro ezvikamu.
    Nekuona, izvi zvinoita sekunge uchiratidzira chikamu chemuti. Zvishandiso zvinoshanda zvinoshanduka kusvibira, zvinonetsa zvinotsvuka.
  • Ita general checks kunze kwebhokisi.
    Iyo yekutarisa system inogona kuita mamwe macheki pachayo. Sei reinvent vhiri, ngatishandisei ivo. Semuenzaniso, unogona kutarisa kuti peji rewebhusaiti riri kuvhurwa kana sevha iri pinging.
  • Tumira zviziviso zvematambudziko kune vanofarira.
  • Kuona kwekutarisa data, kupihwa mishumo, magirafu uye nhamba.

Tsanangudzo pfupi yeASMO system

Zvakanakisisa kutsanangura nemuenzaniso. Ngatitarisei kuti kutariswa kwekuita kweASMO system kwakarongeka sei.

ASMO is an automated meteorological support system. Iyo sisitimu inobatsira nyanzvi dzebasa remumugwagwa kuti dzinzwisise kupi uye pazvinenge zvakakodzera kurapa mugwagwa nezvinhu zvekubvisa icing. Iyo sisitimu inounganidza data kubva mumigwagwa yekudzora nzvimbo. Nzvimbo yekudzora mugwagwa inzvimbo munzira inoiswa michina: chiteshi chemamiriro ekunze, vhidhiyo kamera, nezvimwe. Kufanotaura mamiriro ezvinhu ane ngozi, hurongwa hunogamuchira mamiriro ekunze kubva kune kunze.

Tinodya nzou nezvidimbu. Shandisa hutano hwekutarisisa zano nemienzaniso

Saka, kuumbwa kwegadziriro yacho kwakajairika: webhusaiti, mumiririri, midziyo. Ngatitangei kutarisa.

Kupwanya sisitimu kuita zvikamu

Izvi zvinotevera zvikamu zvinogona kusiyaniswa muASMO system:

1. Akaundi yako pachako
Iyi iwebhu application. Pashoma, iwe unofanirwa kutarisa kuti application iripo paInternet.

2. Database
Iyo dhatabhesi inochengeta data rakakosha kushuma, uye iwe unofanirwa kuve nechokwadi chekuti dhatabhesi backups inogadzirwa zvinobudirira.

3. Sevha
Ne server tinoreva hardware iyo maapplication anomhanya. Izvo zvinodiwa kuti utarise mamiriro eHDD, RAM, CPU.

4. Mumiririri
Iyi iWindows sevhisi inoita mabasa mazhinji akasiyana pane hurongwa. Pazvishoma, unofanirwa kutarisa kuti sevhisi iri kushanda.

5. Basa remumiririri
Kungoziva kuti agent iri kushanda hakuna kukwana. Mumiririri anogona kushanda, asi kwete kuita mabasa ayo akapihwa. Ngatipatsanurei chikamu chemumiririri kuita mabasa uye titarise kana basa rega rega remumiririri rinoshanda zvinobudirira.

6. Road control point (mudziyo weMPC dzese)
Kune akawanda mapoinzi ekudzora nzira, saka ngatisanganise ese maMPC muchikamu chimwe chete. Izvi zvichaita kuti zvive nyore kuverenga yekutarisa data. Paunenge uchiona chimiro che "ASMO system" chikamu, inokurumidza kujeka kuti matambudziko aripi: mumashandisirwo, hardware kana mune yakanyanya control system.

7. Road control point (imwe yepamusoro muganhu)
Tichaona chikamu ichi sechishandiso kana zvishandiso zvese zviri paMPC iyi zvichishanda.

8. Chigadzirwa
Iyi ivhidhiyo kamera kana chiteshi chemamiriro ekunze chakaiswa pahupamhi hwekusungwa. Izvo zvinodiwa kutarisa kuti mudziyo uri kushanda nemazvo.

Mune yekutarisa system, chikamu chemuti chinotaridzika seizvi:

Tinodya nzou nezvidimbu. Shandisa hutano hwekutarisisa zano nemienzaniso

Web Application Monitoring

Saka, isu takapatsanura sisitimu muzvikamu, ikozvino tinoda kuuya nemacheki echikamu chimwe nechimwe.

Kuongorora webhu application tinoshandisa zvinotevera cheki:

1. Kutarisa kuvhurwa kwepeji huru
Kuongorora uku kunoitwa neamonitor system. Kuti tiite, tinoratidza kero yepeji, chikamu chemhinduro chinotarisirwa uye nguva yakawanda yekukumbira chikumbiro.

2. Kutarisa iyo domain kubhadhara zuva rekupedzisira
Cheki yakakosha. Kana domain ikaramba isina kubhadharwa, vashandisi havagone kuvhura saiti. Kugadzirisa dambudziko kunogona kutora mazuva akati wandei, nekuti... DNS shanduko hadzishandiswe nekukurumidza.

3. Kutarisa chitupa cheSSL
Mazuva ano, anenge ese mawebhusaiti anoshandisa iyo https protocol yekuwana. Kuti protocol ishande nemazvo, unoda chitupa cheSSL chakasimba.

Pazasi pane "Personal Account" chikamu mune yekutarisa system:

Tinodya nzou nezvidimbu. Shandisa hutano hwekutarisisa zano nemienzaniso

Yese macheki ari pamusoro achashanda kune akawanda maapplication uye haadi coding. Izvi zvinotonhorera nekuti unogona kutanga kutarisa chero webhu application mumaminetsi mashanu. Pazasi pane mamwe macheki anogona kuitirwa webhu application, asi kuita kwavo kwakanyanya kuoma uye kushandisa-chaiyo, saka isu hatizovavharise mune ino chinyorwa.

Chii chimwe chaungatarisa?

Kuti unyatso tarisisa webhu application yako, unogona kuita zvinotevera cheki:

  • Nhamba yeJavaScript kukanganisa panguva imwe neimwe
  • Nhamba yezvikanganiso pawebhu application side (kumashure-kumagumo) kwenguva
  • Nhamba yemhinduro dzisina kubudirira pawebhu (mhinduro kodhi 404, 500, nezvimwewo)
  • Avhareji yenguva yekubvunza mubvunzo

Kuongorora masevhisi eWindows (mumiririri)

Muiyo ASMO system, mumiriri anotamba basa remugadziri webasa, anoita mabasa akarongwa kumashure.

Kana mabasa ese emumiririri akapera zvinobudirira, mumiririri ari kushanda nemazvo. Zvinoitika kuti kuti utarise mumiriri, unofanirwa kutarisa mabasa ayo. Nokudaro, tinoparadzanisa chikamu che "Agent" kuita mabasa. Pabasa rega rega, tichagadzira chikamu chakasiyana muhurongwa hwekutarisa, apo chikamu che "Agent" chichava "mubereki".

Isu tinopatsanura chikamu cheAgent muzvikamu zvevana (mabasa):

Tinodya nzou nezvidimbu. Shandisa hutano hwekutarisisa zano nemienzaniso

Saka, isu takaputsa chikamu chakaomarara kuita akati wandei akareruka. Iye zvino tinoda kuuya nemacheki echikamu chimwe nechimwe chakareruka. Ndokumbira utarise kuti chikamu chevabereki "Agent" hachizove nechero cheki, nekuti iyo monitoring system ichaverengera chimiro chayo yakazvimiririra zvichienderana nechimiro chemwana wayo. Mune mamwe mazwi, kana mabasa ese akapedzwa zvinobudirira, saka mumiriri ari kushanda zvinobudirira.

Kune anopfuura zana mabasa muASMO system, zvinonyatso shuwa here kuti uuye nemacheki akasiyana ebasa rega rega? Ehe, kutonga kuchava nani kana tikauya nekuita edu akakosha macheki ega ega ejenti basa, asi kazhinji kacho zvakakwana kushandisa cheki dzese.

Iyo ASMO sisitimu inoshandisa chete cheki yepasirese yemabasa uye izvi zvakakwana kutarisa mashandiro ehurongwa.

Kuongorora mafambiro
Cheki yakapfava uye inonyanya kushanda ndeye cheki yekuuraya. Cheki inosimbisa kuti basa rakapera pasina kukanganisa. Mabasa ese ane cheki iyi.

Kuongorora algorithm

Mushure mekuita basa rega rega, unofanirwa kutumira mhedzisiro yeSUCCESS cheki kune yekutarisa sisitimu kana basa rekuita rakabudirira, kana ERROR kana kuuraya kwacho kwapera nekukanganisa.

Ichi cheki chinogona kuona matambudziko anotevera:

  1. Basa rinomhanya asi rinokundikana nekukanganisa.
  2. Basa rakamira kushanda, semuenzaniso, rave nechando.

Ngatitarisei kuti matambudziko aya anopedzwa sei zvakadzama.

Nyaya 1 - Basa rinomhanya asi rinokundikana nekukanganisa
Pazasi pane nyaya apo basa rinomhanya asi richikundikana pakati pe14:00 na16:00.

Tinodya nzou nezvidimbu. Shandisa hutano hwekutarisisa zano nemienzaniso

Nhamba yacho inoratidza kuti kana basa rikakundikana, chiratidzo chinobva chatumirwa kune yekutarisa sisitimu uye mamiriro eiyo inowirirana cheki muhurongwa hwekutarisa inova alarm.

Ndokumbira utarise kuti muhurongwa hwekutarisisa, chimiro chechikamu chinoenderana nemamiriro ekusimbisa. Iyo alarm mamiriro echeki achachinja ese epamusoro-chikamu zvikamu kuti aramu, ona nhamba iri pazasi.

Tinodya nzou nezvidimbu. Shandisa hutano hwekutarisisa zano nemienzaniso

Dambudziko 2 - Basa rakamira kuita (rakaoma)
Ko iyo yekutarisa system ichanzwisisa sei kuti basa rakamira?

Cheki mhedzisiro ine nguva yechokwadi, semuenzaniso, 1 awa. Kana awa ikapfuura uye pasina mhedzisiro nyowani yekuyedza, iyo yekutarisa system inoisa iyo bvunzo mamiriro kune alarm.

Tinodya nzou nezvidimbu. Shandisa hutano hwekutarisisa zano nemienzaniso

Pamufananidzo uri pamusoro apa, marambi akadzima na14:00 p.m. Na15:00, iyo yekutarisa system ichaona kuti mhedzisiro yebvunzo (kubva na14:00) yakaora, nekuti. Iyo nguva yekuenderana yapera (awa imwe), asi hapana mhedzisiro nyowani, uye ichachinja cheki kune alarm mamiriro.

Na 16:00 magetsi akabatidzwa zvakare, chirongwa chichapedza basa uye kutumira mhedzisiro yekuuraya kune yekutarisa sisitimu, chimiro chebvunzo chinozobudirira zvakare.

Ndeipi cheki yakakodzera nguva yandinofanira kushandisa?

Nguva yekuenderana inofanira kunge yakakura kudarika nguva yekuita basa. Ini ndinokurudzira kuseta iyo yakakosha nguva 2-3 nguva yakareba kupfuura iyo nguva yekuita basa. Izvi zvinodikanwa kudzivirira kugamuchira zviziviso zvenhema apo, semuenzaniso, basa rakatora nguva yakareba kupfuura yamazuva ese kana mumwe munhu akarodha zvakare chirongwa.

Kuongorora mafambiro

Iyo ASMO sisitimu ine "Load Forecast" basa, iro rinoedza kudhawunirodha fungidziro nyowani kubva kune yekunze sosi kamwe paawa. Nguva chaiyo iyo fungidziro itsva inoonekwa mune yekunze system haina kuzivikanwa, asi inozivikanwa kuti izvi zvinoitika kaviri pazuva. Zvinoitika kuti kana pasina fungidziro nyowani kwemaawa akati wandei, zvino izvi zvakajairika, asi kana pasina fungidziro nyowani kweanopfuura zuva, ipapo chimwe chinhu chaputsika pane imwe nzvimbo. Semuenzaniso, iyo data fomati mune yekunze forecast system inogona kuchinja, ndosaka ASMO isingaone kuburitswa kwekufanotaura kutsva.

Kuongorora algorithm

Basa racho rinotumira mhedzisiro yeSUCCESS cheki kune yekutarisa sisitimu kana yabudirira mukufambira mberi (kurodha kutsva kwemamiriro ekunze). Kana pasina kufambira mberi kana kukanganisa kunoitika, saka hapana chinotumirwa kune yekutarisa system.

Cheki inofanirwa kunge iine relevance interval zvekuti panguva ino inovimbiswa kugashira kufambira mberi kutsva.

Tinodya nzou nezvidimbu. Shandisa hutano hwekutarisisa zano nemienzaniso

Ndokumbira utarise kuti isu tichadzidza nezve dambudziko nekunonoka, nekuti iyo yekutarisa system inomirira kusvika nguva yechokwadi yemhedzisiro yekupedzisira scan yapera. Nokudaro, nguva yechokwadi yecheki haifaniri kuitwa yakareba.

Database monitoring

Kudzora dhatabhesi muASMO system, tinoita zvinotevera cheki:

  1. Kuona kugadzira backup
  2. Kutarisa yemahara disk nzvimbo

Kuona kugadzira backup
Muzvizhinji zvekushandisa, zvakakosha kuve ne-up-to-date database backups kuitira kuti kana sevha ikakundikana, unogona kuendesa purogiramu kune itsva server.

ASMO inogadzira kopi yekuchengetedza kamwe pasvondo uye inotumira kunzvimbo yekuchengetera. Kana maitiro aya apera zvinobudirira, mhedzisiro yekutarisa kwekubudirira inotumirwa kune yekutarisa system. Mhedzisiro yemhinduro inoshanda kwemazuva mapfumbamwe. Avo. Kuti udzore kusikwa kwekuchengetedza, iyo "progress check" nzira, yatakakurukura pamusoro apa, inoshandiswa.

Kutarisa yemahara disk nzvimbo
Kana pasina nzvimbo yakakwana yemahara pa diski, dhatabhesi haizokwanisi kushanda zvakanaka, saka zvakakosha kudzora huwandu hwenzvimbo yakasununguka.

Zviri nyore kushandisa metrics kutarisa nhamba paramita.

Metrics ishizha renhamba, kukosha kwaro kunopfuudzwa kuhurongwa hwekutarisa. Iyo yekutarisa sisitimu inotarisa pachikumbaridzo kukosha uye inoverengera iyo metric mamiriro.

Pazasi pane mufananidzo wekuti "Database" chikamu chinotaridzika sei mukutarisa system:

Tinodya nzou nezvidimbu. Shandisa hutano hwekutarisisa zano nemienzaniso

Server monitoring

Kutarisa sevha tinoshandisa anotevera cheki uye metrics:

1. Free disk nzvimbo
Kana iyo dhisiki nzvimbo ikapera, iyo application haigone kushanda. Isu tinoshandisa 2 threshold values: yekutanga nhanho ndeye WARNING, yechipiri nhanho ndeye ALARM.

2. Avhareji ye RAM kukosha muzana paawa
Isu tinoshandisa avhareji yeawa nekuti... hatifariri marudzi asingawanzoitiki.

3. Avhareji yeCPU muzana paawa
Isu tinoshandisa avhareji yeawa nekuti... hatifariri marudzi asingawanzoitiki.

4. Ping cheki
Inotarisa kuti server iri online. Iyo yekutarisa system inogona kuita cheki iyi; hapana chikonzero chekunyora kodhi.

Pazasi pane mufananidzo wezvinotaridzika se "Server" muchirongwa chekutarisa:

Tinodya nzou nezvidimbu. Shandisa hutano hwekutarisisa zano nemienzaniso

Equipment monitoring

Ini ndichakuudza kuti data rinowanikwa sei. Kune imwe neimwe yenzira yekudzora nzvimbo (MPC) pane basa mune basa rekuronga, semuenzaniso, "Survey MPC M2 km 200". Basa racho rinogashira data kubva kumidziyo yese yeMPC yega yega maminetsi makumi matatu.

Dambudziko remugero wekukurukurirana
Mazhinji emidziyo iri kunze kweguta; network yeGSM inoshandiswa kuendesa data, iyo isingashande zvakatsiga (kune network, kana hapana imwe).

Nekuda kwekutadza kwenetiweki kazhinji, pakutanga, kutarisa iyo MPC ongororo yekutarisa yaitaridzika seizvi:

Tinodya nzou nezvidimbu. Shandisa hutano hwekutarisisa zano nemienzaniso

Zvakava pachena kuti iyi yakanga isiri sarudzo yekushanda, nokuti pakanga pane dzakawanda zviziviso zvenhema pamusoro pezvinetso. Zvadaro zvakasarudzwa kushandisa "kufambira mberi cheki" kune imwe neimwe mudziyo, i.e. Chete chiratidzo chekubudirira chinotumirwa kune yekutarisa sisitimu kana mudziyo uchivhoterwa pasina kukanganisa. Nguva yekuenderana yakaiswa kumaawa mashanu.

Tinodya nzou nezvidimbu. Shandisa hutano hwekutarisisa zano nemienzaniso

Iye zvino kutarisa kunotumira zviziviso nezvematambudziko chete kana mudziyo usingakwanisi kuvhoterwa kweanopfuura maawa mashanu. Nehupamhi hwepamusoro, idzi hadzisi zviratidzo zvenhema, asi matambudziko chaiwo.

Pazasi pane mufananidzo wekuti michina inotaridzika sei mune yekutarisa system:

Tinodya nzou nezvidimbu. Shandisa hutano hwekutarisisa zano nemienzaniso

Zvinokosha!
Kana network yeGSM ikamira kushanda, zvese zvishandiso zveMDC hazvibvunzwe. Kuti uderedze huwandu hwemaemail kubva kune yekutarisa sisitimu, mainjiniya edu anonyorera kune zviziviso nezve chechikamu matambudziko nerudzi "MPC" pane "Chishandiso". Izvi zvinokutendera kuti ugamuchire chiziviso chimwe cheMPC yega yega, pane kugamuchira yakaparadzana ziviso kune yega yega mudziyo.

Yekupedzisira ASMO yekutarisa chirongwa

Ngatiisei zvese pamwe chete toona kuti tine chirongwa cherudzii chekutarisa.

Tinodya nzou nezvidimbu. Shandisa hutano hwekutarisisa zano nemienzaniso

mhedziso

Ngatipfupikisai.
Kuongorora mashandiro eASMO kwakatipei?

1. Nguva yekubvisa chirema yadzikira
Isu takambonzwa nezve hurema kubva kune vashandisi, asi havasi vese vashandisi vanoshuma kukanganisa. Zvakaitika kuti takadzidza nezve kusashanda kwechikamu chehurongwa vhiki mushure mekuonekwa. Iye zvino iyo yekutarisa system inotizivisa nezvematambudziko nekukurumidza kana dambudziko raonekwa.

2. Kugadzikana kwehurongwa kwakawedzera
Sezvo kuremara kwakatanga kubviswa kare, iyo system yese yakatanga kushanda yakagadzikana zvakanyanya.

3. Kuderedza nhamba yekufona kune tsigiro yehunyanzvi
Matambudziko mazhinji zvino anogadziriswa vashandisi vasati vatomboziva nezvavo. Vashandisi vakatanga kubata rubatsiro rwehunyanzvi kashoma. Zvose izvi zvine tapuro yakanaka pamukurumbira wedu.

4. Kuwedzera mutengi uye kuvimbika kwevashandisi
Mutengi akaona shanduko dzakanaka mukugadzikana kwehurongwa. Vashandisi vanosangana nematambudziko mashoma vachishandisa sisitimu.

5. Deredza mari yekutsigira kwehunyanzvi
Takamira kuita chero cheki yemaoko. Iye zvino cheki dzese dzave otomatiki. Pakutanga, takadzidza nezvematambudziko kubva kuvashandisi; zvaiwanzonetsa kunzwisisa dambudziko raitaurwa nemushandisi. Zvino, matambudziko mazhinji anoshumwa neiyo yekutarisa system; zviziviso zvine data yehunyanzvi, iyo inogara ichijekesa chakakanganisika uye kupi.

Zvinokosha!
Iwe haugone kuisa iyo yekutarisisa sisitimu pane imwecheteyo sevha uko maapplication ako anomhanya. Kana sevha ikadzikira, zvikumbiro zvinomira kushanda uye hapazove nemunhu wekuzivisa nezvazvo.

Iyo yekutarisa sisitimu inofanirwa kumhanya pane yakaparadzana sevha mune imwe data data.

Kana iwe usingade kushandisa sevha yakatsaurirwa munzvimbo itsva yedata, unogona kushandisa gore rekutarisa system. Kambani yedu inoshandisa iyo Zidium gore rekutarisa system, asi iwe unogona kushandisa chero imwe yekutarisa sisitimu. Mutengo wegore rekutarisa system wakaderera pane kuhaya sevha nyowani.

Zvinorayirwa:

  1. Dhonza zvikumbiro uye masisitimu muchimiro chemuti wezvikamu mune zvakadzama sezvinobvira, saka zvichave nyore kunzwisisa kuti kupi uye chii chakaputswa, uye kutonga kuchave kwakazara.
  2. Kuti utarise kushanda kwechikamu, shandisa miedzo. Zviri nani kushandisa macheki akawanda akareruka pane imwe yakaoma kunzwisisa.
  3. Gadzirisa metric threshold padivi peiyo monitoring system, pane kuinyora mukodhi. Izvi zvinokuchengetedza kubva pakugadzirisa, kugadzirisa, kana kutangazve application.
  4. Kuti utarise tsika, shandisa muganho wenguva kudzivirira kugamuchira zviziviso zvenhema nekuti imwe cheki yakatora nguva yakati rebei kupera kupfuura zvamazuva ese.
  5. Edza kuita kuti zvikamu zviri muhurongwa hwekutarisa zvitsve chete kana paine dambudziko. Kana vakatsvuka pasina, ipapo iwe ucharega kuterera kune zviziviso zvehurongwa hwekutarisa, zvazvinoreva zvicharasika.

Kana usiri kushandisa yekutarisa sisitimu, tanga! Hazvina kuoma sezvazvinoratidzika. Tora kambo kubva pakutarisa miti yakasvibirira yemiti yawakarima iwe pachako.

Nhanho yakanaka.

Source: www.habr.com

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