{"id":30490,"date":"2019-10-31T21:35:49","date_gmt":"2019-10-31T18:35:49","guid":{"rendered":"https:\/\/prohoster.info\/blog\/server-v-oblakah-itogi-proekta\/"},"modified":"2019-10-31T21:35:49","modified_gmt":"2019-10-31T18:35:49","slug":"server-v-oblakah-itogi-proekta","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/administrirovanie\/server-v-oblakah-itogi-proekta","title":{"rendered":"Felhaszn\u00e1l\u00f3i \u00e9lm\u00e9ny a felh\u0151kben: a projekt \u00f6sszegz\u00e9se","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Bar\u00e1tok, itt az ideje, hogy levonjuk a k\u00f6vetkeztet\u00e9seket a \"Szerver a felh\u0151kben\" projekt-verseny\u00fcnkr\u0151l. Ha valaki nem tudja, egy sz\u00f3rakoztat\u00f3 geek projektet hoztunk l\u00e9tre: k\u00e9sz\u00edtett\u00fcnk egy kis szervert Raspberry Pi 3-on, r\u00e1k\u00f6t\u00f6tt\u00fcnk egy GPS-tracker-t \u00e9s \u00e9rz\u00e9kel\u0151ket, mindezt egy l\u00e9gg\u00f6mbre b\u00edztuk, hogy a term\u00e9szet erej\u00e9re t\u00e1maszkodjunk. Csak a sz\u00e9l istenei \u00e9s a l\u00e9gi k\u00f6zleked\u00e9s v\u00e9d\u0151szentjei tudj\u00e1k, hol fog f\u00f6ldet \u00e9rni a l\u00e9gg\u00f6mb, ez\u00e9rt felaj\u00e1nlottuk b\u00e1rkinek, hogy helyezzen el pontokat a t\u00e9rk\u00e9pen - akinek a pontjai a legk\u00f6zelebb esnek a t\u00e9nyleges lesz\u00e1ll\u00e1si helyhez, \"finom\" d\u00edjakat kap.<\/p>\n

\"Felhaszn\u00e1l\u00f3i<\/a><\/noindex><\/p>\n

Teh\u00e1t, a szerver\u00fcnk m\u00e1r j\u00e1rt a felh\u0151kben, itt az ideje, hogy levonjuk a verseny\u00fcnk k\u00f6vetkeztet\u00e9seit.
\n<\/a><\/noindex>
\nLinkek a versennyel kapcsolatos kor\u00e1bbi publik\u00e1ci\u00f3khoz<\/b><\/p>\n

    \n
  1. Bejegyz\u00e9s a regatt\u00e1r\u00f3l<\/a><\/noindex> (az els\u0151 helyezett d\u00edja a verseny\u00fcnkben - r\u00e9szv\u00e9tel a vitorl\u00e1s regatt\u00e1n AFR (Another F*cking Race)<\/a><\/noindex>, amely november 3-t\u00f3l 10-ig zajlik a Saronikus-\u00f6b\u00f6lben (G\u00f6r\u00f6gorsz\u00e1g) a RUVDS csapat\u00e1val egy\u00fctt, \u00e9s a Habr v\u00e9dn\u00f6ks\u00e9ge alatt.<\/li>\n
  2. Hogyan k\u00e9sz\u00edtett\u00fck el a \"hardver r\u00e9sz\u00e9t<\/a><\/noindex>\" a projektnak - geek-porn\u00f3 kedvel\u0151knek, r\u00e9szletekkel \u00e9s k\u00f3d-elemz\u00e9sekkel.<\/li>\n
  3. Megalapozott bejegyz\u00e9s a projektr\u0151l<\/a><\/noindex> teljes le\u00edr\u00e1ssal.<\/li>\n
  4. A projekt honlapja<\/noindex>, amelyen nyomon lehetett k\u00f6vetni a l\u00e9gg\u00f6mb mozg\u00e1s\u00e1t \u00e9s a telemetri\u00e1t val\u00f3s id\u0151ben.<\/li>\n
  5. Riport<\/a><\/noindex> a l\u00e9gg\u00f6mb ind\u00edt\u00e1s\u00e1nak helysz\u00edn\u00e9r\u0151l.<\/li>\n<\/ol>\n

    \u00c9s a tapasztalat, fiam, neh\u00e9z hib\u00e1kb\u00f3l<\/h2>\n

    \nAhogy eml\u00e9kezhet\u00fcnk, az volt a terv, hogy a szerver adatait GSM-modemen kereszt\u00fcl sug\u00e1rozzuk. Ez volt az inform\u00e1ci\u00f3 \u00e1tad\u00e1s\u00e1nak f\u0151 csatorn\u00e1ja. \u00dagy gondoltuk, hogy minden v\u00e1ratlan helyzetre felk\u00e9sz\u00fclt\u00fcnk a mobilszolg\u00e1ltat\u00e1s lefedetts\u00e9g\u00e9vel, \u00e9s k\u00e9t SIM-k\u00e1rty\u00e1t helyezt\u00fcnk a modembe, a legjobb lefedetts\u00e9ggel rendelkez\u0151 szolg\u00e1ltat\u00f3kt\u00f3l a Dmitrov ter\u00fclet\u00e9n. R\u00e1ad\u00e1sul a modemnek volt egy j\u00f3 ir\u00e1nyt\u0171 antenn\u00e1ja is. De ahogy mondani szokt\u00e1k, az ember tervez, a mobilszolg\u00e1ltat\u00f3k rendelnek. Amikor a l\u00e9gg\u00f6mb 500 m\u00e9ter magass\u00e1gba emelkedett (az Oroszorsz\u00e1g-i Ostankino TV-torony magass\u00e1ga), a mobilszolg\u00e1ltat\u00e1s teljesen megsz\u0171nt. <\/p>\n

    \"Felhaszn\u00e1l\u00f3i
    \n
    \nVisszatekintve ez nyilv\u00e1nval\u00f3nak t\u0171nik, de ez is csak visszatekint\u00e9s. Term\u00e9szetesen a mobilszolg\u00e1ltat\u00f3k antenn\u00e1i a f\u00f6ldi lefedetts\u00e9g biztos\u00edt\u00e1s\u00e1ra k\u00e9sz\u00fcltek, nem pedig a leveg\u0151ben. Ir\u00e1nys\u00e1vjuk a domborzatra \u00e9rv\u00e9nyes \u00e9s nem \"vil\u00e1g\u00edt\" a felh\u0151kbe. \u00cdgy a f\u00e9l kilom\u00e9tern\u00e9l \u00e9s magass\u00e1gban a mobilszolg\u00e1ltat\u00e1s csak v\u00e9letlen visszaver\u0151d\u00e9s, miut\u00e1n valamelyik antenna \u00e1tsz\u00f3rta a jelet. Hiszen a l\u00e9gg\u00f6mb \u00e9s a mobilcsatorna k\u00f6z\u00f6tti kapcsolat fel\u00e9n\u00e9l elment a mobilszolg\u00e1ltat\u00e1s. Az ereszked\u00e9skor, amikor 500 m\u00e9ter al\u00e1 ker\u00fclt\u00fcnk, a mobilszolg\u00e1ltat\u00e1s \u00fajb\u00f3l m\u0171k\u00f6d\u00f6tt.<\/p>\n

    Hogyan kaptuk telemetri\u00e1t a g\u00f6mbb\u0151l? Ezt a m\u00e1sodlagos adat\u00e1tviteli csatorn\u00e1nak k\u00f6sz\u00f6nhetj\u00fck. A g\u00f6mbre telep\u00edtett\u00fcnk egy k\u00e9szletet LoRa r\u00e1di\u00f3kommunik\u00e1ci\u00f3<\/a><\/noindex>, ami 433 MHz-es frekvenci\u00e1n m\u0171k\u00f6dik. <\/p>\n

    \"Felhaszn\u00e1l\u00f3i
    \n
    \n\u00c1tbocs\u00e1t\u00f3 k\u00e9pess\u00e9ge nem nagy, de a feladatainkhoz b\u0151ven elegend\u0151 volt. Ami a g\u00f6mb GPS-en val\u00f3 pozicion\u00e1l\u00e1s\u00e1t illeti, azzal nem voltak probl\u00e9m\u00e1k, a nyomk\u00f6vet\u0151 sim\u00e1n m\u0171k\u00f6d\u00f6tt.<\/p>\n

    \"Felhaszn\u00e1l\u00f3i
    \n
    \nA rep\u00fcl\u00e9s sor\u00e1n kider\u00fclt, hogy a telemetriai modult a Raspberry Pi 3-mal \u00f6sszek\u00f6t\u0151 USB-k\u00e1bel hib\u00e1s volt. F\u00f6ld\u00f6n m\u0171k\u00f6d\u00f6tt, de a leveg\u0151ben meghib\u00e1sodott. Val\u00f3sz\u00edn\u0171leg megijedt a magass\u00e1gt\u00f3l. A k\u00e1bel hib\u00e1j\u00e1t m\u00e1r a lesz\u00e1ll\u00e1s ut\u00e1n der\u00edtett\u00fck ki. Szerencs\u00e9re siker\u00fclt a telemetriai modul adatainak \u00e1tvitel\u00e9t k\u00f6zvetlen\u00fcl a LoRa-n kereszt\u00fcl be\u00e1ll\u00edtani.<\/p>\n

    \"Felhaszn\u00e1l\u00f3i
    \n
    \n\"Felhaszn\u00e1l\u00f3i
    \n
    \n\"Felhaszn\u00e1l\u00f3i
    \n<\/p>\n

    \u00c9s a j\u00f3 h\u00edrek<\/h2>\n

    \nA szerencse r\u00e1nk mosolygott a Habr-uzerek @severov_info<\/a><\/noindex> (els\u0151 hely), @MAXXL<\/a><\/noindex> (m\u00e1sodik hely) \u00e9s @evzor<\/a><\/noindex> (harmadik hely)! A legszerencs\u00e9sebb r\u00e9sztvev\u0151nk novemberben rengeteg \u00e9lm\u00e9nyre sz\u00e1m\u00edthat (rem\u00e9lj\u00fck, kellemesekre) az AFR vitorl\u00e1s verseny\u00e9ben val\u00f3 r\u00e9szv\u00e9tel\u00e9rt, a m\u00e1sodik \u00e9s harmadik helyezetteknek pedig hamarosan j\u00f3 okostelefonokat aj\u00e1nd\u00e9kozunk. \u00c9s term\u00e9szetesen mindh\u00e1rman ingyenes virtu\u00e1lis szerverb\u00e9rl\u00e9st kapnak a RUVDS-t\u0151l.<\/a><\/noindex>A rajt hogyan zajlott, ezt a kis vide\u00f3t megn\u00e9zve l\u00e1thatj\u00e1tok:<\/p>\n

    \"Felhaszn\u00e1l\u00f3i
    \n
    \n\"Felhaszn\u00e1l\u00f3i
    \n
    \nBar\u00e1tok, ideje \u00f6sszegz\u00e9st k\u00e9sz\u00edteni projekt-verseny\u00fcnk, a \u201eSzerver a felh\u0151ben\u201d kapcs\u00e1n. <\/p>\n

    \r\n \"Vide\u00f3\r\n
    <\/div>\r\n <\/div><\/center>
    \n
    Forr\u00e1s:     habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

    \u0414\u0440\u0443\u0437\u044c\u044f, \u043f\u043e\u0440\u0430 \u043f\u043e\u0434\u0432\u0435\u0441\u0442\u0438 \u0438\u0442\u043e\u0433\u0438 \u043d\u0430\u0448\u0435\u0433\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0430-\u043a\u043e\u043d\u043a\u0443\u0440\u0441\u0430 \u00ab\u0421\u0435\u0440\u0432\u0435\u0440 \u0432 \u043e\u0431\u043b\u0430\u043a\u0430\u0445\u00bb. \u0415\u0441\u043b\u0438 \u043a\u0442\u043e-\u0442\u043e \u043d\u0435 \u0432 \u043a\u0443\u0440\u0441\u0435, \u043c\u044b \u0437\u0430\u043f\u0438\u043b\u0438\u043b\u0438 \u0444\u0430\u043d\u043e\u0432\u044b\u0439 \u0433\u0438\u043a-\u043f\u0440\u043e\u0435\u043a\u0442: \u0441\u0434\u0435\u043b\u0430\u043b\u0438 \u043c\u0430\u043b\u0435\u043d\u044c\u043a\u0438\u0439 \u0441\u0435\u0440\u0432\u0435\u0440 \u043d\u0430 Raspberry Pi 3, \u043f\u0440\u0438\u043a\u0440\u0443\u0442\u0438\u043b\u0438 \u043a \u043d\u0435\u043c\u0443 GPS-\u0442\u0440\u0435\u043a\u0435\u0440 \u0438 \u0434\u0430\u0442\u0447\u0438\u043a\u0438, \u043f\u043e\u0433\u0440\u0443\u0437\u0438\u043b\u0438 \u0432\u0441\u0451 \u044d\u0442\u043e \u0434\u043e\u0431\u0440\u043e \u043d\u0430 \u0432\u043e\u0437\u0434\u0443\u0448\u043d\u044b\u0439 \u0448\u0430\u0440 \u0438 \u0434\u043e\u0432\u0435\u0440\u0438\u043b\u0438 \u0441\u0438\u043b\u0430\u043c \u043f\u0440\u0438\u0440\u043e\u0434\u044b. \u0413\u0434\u0435 \u043f\u0440\u0438\u0437\u0435\u043c\u043b\u0438\u0442\u0441\u044f \u0448\u0430\u0440, \u0432\u0435\u0434\u043e\u043c\u043e \u0442\u043e\u043b\u044c\u043a\u043e \u0431\u043e\u0433\u0430\u043c \u0432\u0435\u0442\u0440\u043e\u0432 \u0438 \u043f\u043e\u043a\u0440\u043e\u0432\u0438\u0442\u0435\u043b\u044f\u043c \u0432\u043e\u0437\u0434\u0443\u0445\u043e\u043f\u043b\u0430\u0432\u0430\u043d\u0438\u044f, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u043c\u044b \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0438\u043b\u0438 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":22488,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-30490","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Szerver a felh\u0151kben: Projekt \u00f6sszes\u00edt\u00e9se | ProHoster","description":"\ud83e\udd47Szerver a felh\u0151ben: A projekt v\u00e9geredm\u00e9nye | 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