{"id":30491,"date":"2019-10-31T21:35:51","date_gmt":"2019-10-31T18:35:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/server-v-oblakah-2-0-zapuskaem-server-v-stratosferu\/"},"modified":"2019-10-31T21:35:51","modified_gmt":"2019-10-31T18:35:51","slug":"server-v-oblakah-2-0-zapuskaem-server-v-stratosferu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/server-v-oblakah-2-0-zapuskaem-server-v-stratosferu","title":{"rendered":"Pilveserver 2.0. K\u00e4ivitame serveri stratosf\u00e4\u00e4ri.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

S\u00f5brad, oleme v\u00e4lja m\u00f5elnud uue ettev\u00f5tmise. Paljud teist m\u00e4letavad meie eelmisel aastal toimunud l\u00f5busat geek-projekti \"Pilveserver<\/a><\/noindex>\": me tegime v\u00e4ikese serveri Raspberry Pi baasil ja lasime selle \u00f5hupalli. <\/p>\n

\"Pilveserver<\/a><\/noindex><\/p>\n

N\u00fc\u00fcd oleme otsustanud minna veelgi kaugemale, s.t k\u00f5rgemale \u2014 meid ootab stratosf\u00e4\u00e4r!
\n<\/a><\/noindex>
\nKordame l\u00fchidalt, milles oli esimese projekti \"Pilveserver\" idee. Server ei olnud lihtsalt \u00f5hupallis, p\u00f5nevus seisnes selles, et seade oli aktiivne ja edastas oma telemeetria maapinnale. <\/p>\n

\"Pilveserver
\n
\nSee t\u00e4hendab, et k\u00f5ik soovijad said reaalajas j\u00e4lgida liikumisteed. Enne k\u00e4ivitamist panid 480 inimest kaardile m\u00e4rgid, kuhu \u00f5hupall v\u00f5ib maanduda.<\/p>\n

\"Pilveserver
\n
\nMuidugi, vastavalt Edward Murphy seadusele, \"langes\" lennu ajal v\u00e4lja peamine sidekanal GSM-mooduli kaudu. Seet\u00f5ttu pidid meeskond s\u00f5na otseses m\u00f5ttes lennu ajal \u00fcmber l\u00fclituma varu\u00fchendusele, mis p\u00f5hines LoRa<\/a><\/noindex>. Samuti pidid \u00f5hupiloodjad lahendama USB-kaabli probleemi, mis \u00fchendas telemeetriamooduli ja Raspberry 3 \u2014 tundub, et see ehmus k\u00f5rgusest ja keeldus t\u00f6\u00f6tamast. H\u00e4sti, et sellega probleemid l\u00f5ppesid ja pall maandus \u00f5nnelikult. Kolm \u00f5nnelikku, kelle sildid olid maandumiskoha l\u00e4himad, said maitsvaid auhindu. Muide, esimese koha v\u00f5itjaks oli osalemine AFR 2018 purjeregatal (Tere, Vitalik!). <\/p>\n

Projekt t\u00f5estas, et idee '\u00f5hupoolsetest serveritest' ei ole nii hull, nagu see v\u00f5ib tunduda. Ja me tahame teha j\u00e4rgmise sammu 'lendava andmekeskuse' suunas: testida serveri t\u00f6\u00f6v\u00f5imet, mis stratosf\u00e4\u00e4ris t\u00f5useb umbes 30 km k\u00f5rgusele \u2014 stratosf\u00e4\u00e4ri. K\u00e4ivitamine toimub kosmonautika p\u00e4eval, seega on aega j\u00e4\u00e4nud vaid natuke, v\u00e4hem kui kuu. <\/p>\n

Nimi 'Server pilvede 2.0' ei ole p\u00e4ris korrektne, kuna sellisel k\u00f5rgusel ei kohta \u00fchtegi pilvet. Nii et projekti v\u00f5ib nimetada '\u00dcks k\u00f5rgustest' (j\u00e4rgmisel projektil tuleb nimeks 'Kallis, sa oled kosmos!').<\/p>\n

\"Pilveserver
\n
\nNagu esimeses projektis, tuleb server t\u00f6\u00f6tav. Kuid tooni lisab see, et soovime testida tuntud Google Loon projekti kontseptsiooni ja uurida, kas on v\u00f5imalik jagada internetti stratosf\u00e4\u00e4rist.<\/p>\n

Serveri t\u00f6\u00f6 schema n\u00e4eb v\u00e4lja j\u00e4rgmine: maandumislehe kaudu saadate formaadi kaudu serverisse tekstis\u00f5numeid. Need edastatakse HTTP-protokolli kaudu kahele s\u00f5ltumatule satelliits\u00fcsteemile, mis edastavad andmed stratosf\u00e4\u00e4ri rippuva arvutisse, ning see edastab need tagasi Maale, kuid mitte sama teed pidi satelliidi kaudu, vaid raadiosagedusel. Nii saame teada, et server saab andmeid ja suudab edastada internetti stratosf\u00e4\u00e4rist. Samuti suudame arvutada kaotatud teabe \u201eteel\u201d protsendi. Samas maandumislehe kus kuvatakse stratosaateli lennugraafik, m\u00e4rgitakse \u00fcles iga teie s\u00f5numi vastuv\u00f5tmise punktid. See t\u00e4hendab, et saate reaalajas j\u00e4lgida \u201epilveserveri\u201d marsruuti ja k\u00f5rgust.<\/p>\n

Ja t\u00e4iesti skeptikute jaoks, kes \u00fctlevad, et see on k\u00f5ik kokkuk\u00f6idud, paigaldame me pardale v\u00e4ikese ekraani, kus HTML-lehe peal kuvatakse k\u00f5ik teie saadetud s\u00f5numid. Ekraan on kaameras, mille vaatev\u00e4ljas on ka osa horisondist. Soovime edastada videosignaali raadiosagedusel, kuid siin on \u00fcks n\u00fcanss: kui ilm on hea, peaks video j\u00f5udma maapinnale suurema osa stratosf\u00e4\u00e4ri lennust, 70\u2013100 km k\u00f5rguselt. Pilvisuse korral v\u00f5ib edastusulatus langeda umbes 20 km peale. Igatahes salvestatakse video ja me avaldame selle p\u00e4rast seda, kui leiame kukkunud stratosf\u00e4\u00e4ri. Muide, otsime seda GPS-signaali j\u00e4rgi, mille pardal on vana GPS-saatja. Statistika j\u00e4rgi maandub seade 150 km raadiuses stardikohtadest.<\/p>\n

Varsti r\u00e4\u00e4gime teile \u00fcksikasjalikult, kuidas on stratosf\u00e4\u00e4ri kasuliku koormuse seadmed seadistatud ja kuidas k\u00f5ik need omavahel toimima peaksid. Samuti avaldame m\u00f5ned huvitavad \u00fcksikasjad projekti kohta, mis on seotud kosmoses. <\/p>\n

Kuna teil oleks huvitav projekti j\u00e4lgida nagu eelmisel aastal, korraldasime konkursi, kus peate m\u00e4\u00e4rama serveri maandumise koha. V\u00f5itja, kes k\u00f5ige t\u00e4psemalt ennustab maandumiskohta, p\u00e4\u00e4seb Baikonurisse, et osaleda pilootide kosmoselaeva \u201eSoyuz MS-13\u201c k\u00e4ivitamisel 6. juulil. Teise koha v\u00f5itja saab reisisertifikaadi meie s\u00f5pradelt Tuturu. Kaksk\u00fcmmend muud osalejat saavad osaleda grupiekskursioonil T\u00e4hed Linnas mais. T\u00e4iendavad \u00fcksikasjad konkursi veebisaidil<\/a><\/noindex>.<\/p>\n

J\u00e4lgige uudiseid blogis \ud83d\ude42
\n
Allikas: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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K\u00e4ivitame serveri stratosf\u00e4\u00e4ri | ProHoster","description":"S\u00f5brad, me oleme v\u00e4lja m\u00f5elnud uue \u00fcrituse. Paljud teist m\u00e4letavad meie eelmisel aastal toimunud l\u00f5busat geeniuprojekti \u201ePilveserver\u201c: me tegime v\u00e4ikese serveri Raspberry Pi p\u00f5hjal ja k\u00e4ivitasime selle \u00f5hupalli abil. N\u00fc\u00fcd oleme otsustanud minna veel kaugemale, t\u00f5en\u00e4oliselt k\u00f5rgemale \u2014 meid ootab stratosf\u00e4\u00e4r! Kordame l\u00fchidalt esimest projekti \u201ePilveserver\u201c. 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