{"id":39479,"date":"2019-10-31T22:33:41","date_gmt":"2019-10-31T19:33:41","guid":{"rendered":"https:\/\/prohoster.info\/blog\/5-sposobov-poleznogo-ispolzovaniya-raspberry-pi\/"},"modified":"2019-10-31T22:33:41","modified_gmt":"2019-10-31T19:33:41","slug":"5-sposobov-poleznogo-ispolzovaniya-raspberry-pi","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/5-sposobov-poleznogo-ispolzovaniya-raspberry-pi","title":{"rendered":"5 viisi Raspberry Pi kasulikuks kasutamiseks","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Tere, Habr.<\/p>\n<p>Raspberry Pi on ilmselt kodus peaaegu igal inimesel ning julgen arvata, et paljudel see vedeleb kasutuna. Kuid Raspberry ei ole mitte ainult v\u00e4\u00e4rtuslik riistvara, vaid ka t\u00e4iesti v\u00f5imas fanless-arvuti, mis t\u00f6\u00f6tab Linuxiga. T\u00e4na vaatame Raspberry Pi kasulikke v\u00f5imalusi, mille rakendamiseks ei ole \u00fcldse vaja koodi kirjutada. <br \/>\n<img decoding=\"async\" alt=\"5 viisi Raspberry Pi kasulikuks kasutamiseks\" src=\"\/wp-content\/uploads\/2019\/10\/e69119cc5036df2ca55ee5cea97fe30d.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nNeile, kellele huvi pakub, on \u00fcksikasjad allpool. Artikkel on suunatud algajatele.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\n<i>M\u00e4rkus<\/i>: artikkel on suunatud algajatele, kuid kes omavad v\u00e4hemalt p\u00f5hilisi teadmisi IP-aadressist, kuidas siseneda Raspberry Pi kaudu SSH kaudu Putty v\u00f5i m\u00f5ne muu terminali abil ja kuidas faile redigeerida nano redaktoriga. Katse korras ei hakka ma seekord lugejaid koodi laadima Pythoniga, programmeerimist siin ei tule \u00fcldse. K\u00f5ik, mis allpool on kirjutatud, vajab vaid k\u00e4suread. Kuidas see formaat n\u00f5udlikuks osutub, vaatan tekstihinnangutest.<\/p>\n<p>Muidugi, ma ei hakka arutama p\u00e4ris ilmselgeid asju nagu FTP-server v\u00f5i v\u00f5rgu jagamine. Allpool \u00fcritasin v\u00e4lja tuua midagi kasulikumat ja originaalsemat.<\/p>\n<p>Enne kui hakkame midagi installima, on oluline <b>n\u00f5uanne<\/b>: \u00f5ige toiteblokki (parem firmamark, 2.5A, mitte mittetuntud laadija telefonist) ja jahuti protsessorile on \u00e4\u00e4rmiselt oluline Raspberry Pi stabiilseks t\u00f6\u00f6ks. Ilma selleta v\u00f5ib Raspberry seiskuda, failide kopeerimisel v\u00f5ivad tekkida vead jne. Selliste vigade salakavalus on selles, et need esinevad ainult harva, n\u00e4iteks v\u00e4\u00e4rtuse tipukoormuse ajal v\u00f5i suurte failide kirjutamise hetkel SD-kaardile.<\/p>\n<p>Enne komponentide installimist on soovitatav s\u00fcsteemi uuendada, muidu ei pruugi vanad aadressid apt-k\u00e4skude jaoks t\u00f6\u00f6tada:<\/p>\n<pre><code class=\"bash\">sudo apt-get update<\/code><\/pre>\n<p>\nN\u00fc\u00fcd v\u00f5ime alustada installimist ja seadistamist.<\/p>\n<h2>1. WiFi p\u00e4\u00e4supunkt<\/h2>\n<p>\nRaspberry Pi on lihtne muuta traadita p\u00e4\u00e4supunktiks ja selleks ei ole midagi juurde osta vaja, WiFi on juba olemas. Selleks tuleb installida 2 komponenti: hostapd (Host access point daemon, p\u00e4\u00e4supunkti teenus) ja dnsmasq (DNS\/DHCP-server).<\/p>\n<p>Installime dnsmasq ja hostapd:<\/p>\n<pre><code class=\"bash\">sudo apt-get install dnsmasq hostapd<\/code><\/pre>\n<p>\nSeadistame staatilise IP-aadressi, millel Raspberry Pi WiFi-v\u00f5rgus olema hakkab. Selleks tuleb redigeerida faili dhcpcd.conf, sisestades k\u00e4su <i>sudo nano \/etc\/dhcpcd.conf<\/i>. Faili tuleb lisada j\u00e4rgmised read:<\/p>\n<pre><code class=\"bash\">interface wlan0\n  static ip_address=198.51.100.100\/24\n  nohook wpa_supplicant\n<\/code><\/pre>\n<p>\nNagu n\u00e4ha, on meie Raspberry Pi WiFi-v\u00f5rgus aadress 198.51.100.100 (see on oluline meeles pidada, kui sellel t\u00f6\u00f6tab m\u00f5ni server, mille aadress tuleb brauserisse sisestada).<\/p>\n<p>Edasi peame aktiviseerima IP-suunamise, selleks t\u00e4idame k\u00e4su <i>sudo nano \/etc\/sysctl.conf<\/i> ja kustutame kommenteeritud rea <i>net.ipv4.ip_forward=1<\/i>.<\/p>\n<p>N\u00fc\u00fcd tuleb seadistada DHCP-server \u2014 see jagab IP-aadresse \u00fchenduvatele seadmetele. Sisestame k\u00e4su <i>sudo nano \/etc\/dnsmasq.conf<\/i> ja lisame j\u00e4rgmised read:<\/p>\n<pre><code class=\"bash\">interface=wlan0\ndhcp-range=198.51.100.1,198.51.100.99,255.255.255.0,24h\n<\/code><\/pre>\n<p>\nNagu n\u00e4ha, saavad \u00fchenduvad seadmed IP-aadresse vahemikus 198.51.100.1\u2026 198.51.100.99.<\/p>\n<p>L\u00f5puks on aeg seadistada Wi-Fi. Redigeerime faili <i>\/etc\/default\/hostapd<\/i> ja sisestame sinna rea <i>DAEMON_CONF=&#187;\/etc\/hostapd\/hostapd.conf&#187;<\/i>. N\u00fc\u00fcd redigeerime faili hostapd.conf, sisestades k\u00e4su <i>sudo nano \/etc\/hostapd\/hostapd.conf<\/i>.<br \/>\nSisestame ligip\u00e4\u00e4supunkti parameetrid:<\/p>\n<pre><code class=\"bash\">interface=wlan0\ndriver=nl80211\nssid=Raspberry Pi\nhw_mode=g\nchannel=7\nwmm_enabled=0\nmacaddr_acl=0\nauth_algs=1\nignore_broadcast_ssid=0\nwpa=2\nwpa_passphrase=12345678\nwpa_key_mgmt=WPA-PSK\nwpa_pairwise=TKIP\nrsn_pairwise=CCMP<\/code><\/pre>\n<p>\nSiin on oluline t\u00e4helepanu p\u00f6\u00f6rata parameetritele \u00abssid\u00bb (ligip\u00e4\u00e4supunkti nimi), \u00abwpa_passphrase\u00bb (parool), \u00abchannel\u00bb (kanali number) ja \u00abhw_mode\u00bb (t\u00f6\u00f6re\u017eiim, a = IEEE 802.11a, 5 GHz, b = IEEE 802.11b, 2.4 GHz, g = IEEE 802.11g, 2.4 GHz). Kahjuks automaatset kanalivalikut pole, seega tuleb k\u00f5ige v\u00e4hem koormatud WiFi kanal ise v\u00e4lja valida.<\/p>\n<p><b>Oluline<\/b>: antud testn\u00e4ites on parooliks 12345678, t\u00f5elises ligip\u00e4\u00e4supunktis tuleks kasutada midagi keerulisemat. On olemas programme, mis tegelevad paroolide s\u00f5nastike kaudu purustamisega, ja lihtsa parooliga ligip\u00e4\u00e4supunkti v\u00f5ivad h\u00e4kkida. Samuti v\u00f5ib Interneti jagamine v\u00f5\u00f5rastele kaasa tuua seadusega probleeme.<\/p>\n<p>K\u00f5ik on valmis, n\u00fc\u00fcd saab aktiveerida k\u00f5ik teenused. <\/p>\n<pre><code class=\"bash\">sudo systemctl unmask hostapd\nsudo systemctl enable hostapd\nsudo systemctl start hostapd\nsudo systemctl reload dnsmasq<\/code><\/pre>\n<p>\nN\u00fc\u00fcd peaksime juba n\u00e4gema uut WiFi-ligip\u00e4\u00e4supunkti v\u00f5rguteenuste nimekirjas. Kuid et seal oleks Internet, on vajalik aktiveerida pakettide suunamine Ethernetist WLANi, selleks sisestame k\u00e4su <i>sudo nano \/etc\/rc.local<\/i> ja lisame iptables'i seadistuse rea:<\/p>\n<pre><code class=\"bash\">sudo iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE\n<\/code><\/pre>\n<p>\nN\u00fc\u00fcd on k\u00f5ik. Taask\u00e4ivitame Raspberry Pi ja kui k\u00f5ik on \u00f5igesti tehtud, v\u00f5ime n\u00e4ha ligip\u00e4\u00e4supunkti ja sellele \u00fchenduda.<\/p>\n<p><img decoding=\"async\" alt=\"5 viisi Raspberry Pi kasulikuks kasutamiseks\" src=\"\/wp-content\/uploads\/2019\/10\/fe586866e572ea9950b5ad5f6fcfe9e7.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNagu n\u00e4ha, pole kiirus \u00fcldse halb ja sellist WiFi-d on t\u00e4iesti v\u00f5imalik kasutada.<\/p>\n<p>\u00dcks v\u00e4ike <b>n\u00f5uanne<\/b>: Raspberry Pi v\u00f5rgunime muutmiseks saab t\u00e4ita k\u00e4su <i>sudo raspi-config<\/i>. \u041f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u043e\u043d\u043e \u0440\u0430\u0432\u043d\u043e (\u0441\u044e\u0440\u043f\u0440\u0438\u0437:) raspberrypi. \u042d\u0442\u043e \u043d\u0430\u0432\u0435\u0440\u043d\u043e \u043e\u0431\u0449\u0435\u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e. \u041e\u0434\u043d\u0430\u043a\u043e \u043d\u0435 \u0432\u0441\u0435 \u0437\u043d\u0430\u044e\u0442, \u0447\u0442\u043e \u044d\u0442\u043e \u0438\u043c\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e \u0438 \u0432 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0435\u0442\u0438, \u043d\u043e \u043a \u043d\u0435\u043c\u0443 \u043d\u0443\u0436\u043d\u043e \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c &#171;.local&#187;. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0437\u0430\u0439\u0442\u0438 \u043d\u0430 Raspberry Pi \u043f\u043e SSH \u043c\u043e\u0436\u043d\u043e, \u0432\u0432\u0435\u0434\u044f \u043a\u043e\u043c\u0430\u043d\u0434\u0443 <i>putty pi@raspberrypi.local<\/i>. Siin on t\u00f5si, et on \u00fcks n\u00fcanss: see t\u00f6\u00f6tab Windowsis ja Linuxis, kuid Androidis ei t\u00f6\u00f6tada \u2014 seal tuleb IP-aadress sisestada k\u00e4sitsi.<\/p>\n<h2>2. Meedia server<\/h2>\n<p>\nRaspberry Pi-l on 1001 viisi meedia serveri loomiseks, kuid k\u00e4sitlen vaid lihtsaimat. Oletame, et meil on lemmik MP3-failide kogumik ja soovime, et see oleks kohalikus v\u00f5rgus kergesti k\u00e4tkiblev k\u00f5igile meediaseadmetele. Paigaldame Raspberry Pi-le MiniDLNA serveri, mis suudab seda meie eest teha. <\/p>\n<p>Paigaldamiseks sisestame k\u00e4su <i>sudo apt-get install minidlna<\/i>. P\u00e4rast seda tuleb konfigureerimiseks sisestada k\u00e4sk <i>sudo nano \/etc\/minidlna.conf<\/i>. Seal tuleb lisada vaid \u00fcks rida, mis m\u00e4\u00e4rab meie failide tee: <i>media_dir=\/home\/pi\/MP3<\/i> (tee v\u00f5ib muidugi olla teine). Faili sulgedes taask\u00e4ivitame teenuse:<\/p>\n<p><i>sudo systemctl restart minidlna<\/i><\/p>\n<p>Kui me k\u00f5ik \u00f5igesti tegime, saame kohalikku v\u00f5rku valmis meedia serveri, mille kaudu saab m\u00e4ngida muusikat nii lauaarvuti WiFi-raadiost kui ka VLC-m\u00e4ngijast Androidis:<\/p>\n<p><img decoding=\"async\" alt=\"5 viisi Raspberry Pi kasulikuks kasutamiseks\" src=\"\/wp-content\/uploads\/2019\/10\/07991c505022aa823c51bb7176540d90.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Soovitus<\/b>: faile Raspberry Pi-le laadida on v\u00e4ga mugav WinSCP abil \u2014 see programm v\u00f5imaldab t\u00f6\u00f6tada RPi kaustadega sama lihtsalt nagu kohalikega.<\/p>\n<p><img decoding=\"async\" alt=\"5 viisi Raspberry Pi kasulikuks kasutamiseks\" src=\"\/wp-content\/uploads\/2019\/10\/7ebb1fd564575179d774ebebb61aecac.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2>3. SDR vastuv\u00f5tja<\/h2>\n<p>\nKui meil on RTL-SDR v\u00f5i SDRPlay vastuv\u00f5tja, saame seda kasutada Raspberry Pi-l programmi GQRX v\u00f5i CubicSDR abil. See v\u00f5imaldab meil saada autonoomse ja vaikse SDR-vastuv\u00f5tja, mis suudab t\u00f6\u00f6tada isegi \u00f6\u00f6p\u00e4evaringselt.<\/p>\n<p>Palun v\u00f5tke vabandust ekraanipildi kvaliteedi p\u00e4rast teleriekraanilt:<\/p>\n<p><img decoding=\"async\" alt=\"5 viisi Raspberry Pi kasulikuks kasutamiseks\" src=\"\/wp-content\/uploads\/2019\/10\/8f466f8eb64a37c383861b5dd791c81c.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nRTL-SDR v\u00f5i SDRPlay abil on v\u00f5imalik vastu v\u00f5tta erinevaid raadiosignaale sagedusel kuni 1GHz (isegi veidi k\u00f5rgemal). N\u00e4iteks saame kuulata mitte ainult tavalist FM-raadiot, vaid ka pilootide v\u00f5i muude teenuste vestlusi. Muide, raadioamat\u00f6\u00f6rid saavad Raspberry Pi abil \u00fcsna h\u00e4sti vastu v\u00f5tta, dekodeerida ja serverisse saata signaale <noindex><a rel=\"nofollow\" href=\"https:\/\/www.rtl-sdr.com\/tutorial-setting-up-a-low-cost-qrp-ft8-jt9-wspr-etc-monitoring-station-with-an-rtl-sdr-v3-and-raspberry-pi-3\/\">WSPR ja teiste digitaalse re\u017eiimide<\/a><\/noindex>. <\/p>\n<p>SDR-raadio \u00fcksikasjalik k\u00e4sitlemine \u00fcletab selle artikli piire, rohkem saab lugeda <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/450534\/\">siin<\/a><\/noindex>. <\/p>\n<h2>4. \u201eTarga kodu\u201c server<\/h2>\n<p>\nNeed, kes soovivad muuta oma kodu \u201etargemaks\u201c, saavad kasutada tasuta programmi OpenHAB. <\/p>\n<p><img decoding=\"async\" alt=\"5 viisi Raspberry Pi kasulikuks kasutamiseks\" src=\"\/wp-content\/uploads\/2019\/10\/78d1b38bb45f4705276cf010b63f6927.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nSee ei ole lihtsalt programm, vaid terve raamistik, millel on erinevad pistikprogrammid ja skriptid, mis v\u00f5imaldavad hallata erinevaid seadmeid (Z-Wave, Philips Hue jms). Soovijad saavad tutvuda l\u00e4hemalt ametlikul saidil. <noindex><a rel=\"nofollow\" href=\"https:\/\/www.openhab.org\/\">https:\/\/www.openhab.org<\/a><\/noindex>.<\/p>\n<p>Muide, kui r\u00e4\u00e4gime \"nutikodust\", siis Raspberry Pi-l v\u00f5ib t\u00e4iesti t\u00f6\u00f6tada MQTT-server, mida saavad kasutada erinevad kohalikud seadmed.<\/p>\n<h2>5. Klient FlightRadar24 jaoks<\/h2>\n<p>\nKui oled lennunduse entusiast ja elad piirkonnas, kus FlightRadar katvus j\u00e4tab soovida, saad aidata kogukonda ja k\u00f5iki reisijaid, paigaldades endale vastuv\u00f5tja. Selleks piisab vaid RTL-SDR vastuv\u00f5tjast ja Raspberry Pi-st. Boonusena saad tasuta juurdep\u00e4\u00e4su FlightRadar24 Pro kontole.<\/p>\n<p><img decoding=\"async\" alt=\"5 viisi Raspberry Pi kasulikuks kasutamiseks\" src=\"\/wp-content\/uploads\/2019\/10\/84d67383fd6b528315789d2ddfc3f413.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n\u00dcksikasjalik juhend <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/408003\/\">on juba avaldatud<\/a><\/noindex> Habrist.<\/p>\n<h2>Kokkuv\u00f5te<\/h2>\n<p>\nMuidugi pole siin loetletud kaugeltki k\u00f5ike. Raspberry Pi-l on \u00fcsna hea arvutusv\u00f5imekus ja seda saab kasutada t\u00e4iesti erinevates \u00fclesannetes, alates retro m\u00e4ngukonsoolist v\u00f5i videovalvestusest kuni autode numbrite tuvastamiseni v\u00f5i isegi astronoomiliste teenusteni. <noindex><a rel=\"nofollow\" href=\"https:\/\/www.instructables.com\/id\/Wireless-All-Sky-Camera\/\">k\u00f5ik-taeva kaamerad<\/a><\/noindex> meteooride j\u00e4lgimiseks. <\/p>\n<p>Muide, see, mis on kirjutatud, kehtib mitte ainult Raspberry Pi kohta, vaid ka erinevate \"kloonide\" (Asus Tinkerboard, Nano Pi jne) kohta; k\u00f5ik programmid t\u00f6\u00f6tavad t\u00f5en\u00e4oliselt ka seal.<\/p>\n<p>Kui publikul tekib huvi (mis selgub artikli hinnangutest), on v\u00f5imalik teemat j\u00e4tkata. <\/p>\n<p>Ja nagu tavaliselt, soovin k\u00f5igile edukaid eksperimente.<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/472778\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u0438\u0432\u0435\u0442 \u0425\u0430\u0431\u0440. Raspberry Pi \u043d\u0430\u0432\u0435\u0440\u043d\u043e\u0435 \u0435\u0441\u0442\u044c \u0434\u043e\u043c\u0430 \u043f\u043e\u0447\u0442\u0438 \u0443 \u043a\u0430\u0436\u0434\u043e\u0433\u043e, \u0438 \u0440\u0438\u0441\u043a\u043d\u0443 \u043f\u0440\u0435\u0434\u043f\u043e\u043b\u043e\u0436\u0438\u0442\u044c, \u0447\u0442\u043e \u0443 \u043c\u043d\u043e\u0433\u0438\u0445 \u043e\u043d\u0430 \u0432\u0430\u043b\u044f\u0435\u0442\u0441\u044f \u0431\u0435\u0437 \u0434\u0435\u043b\u0430. \u0410 \u0432\u0435\u0434\u044c Raspberry \u044d\u0442\u043e \u043d\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u0446\u0435\u043d\u043d\u044b\u0439 \u043c\u0435\u0445, \u043d\u043e \u0438 \u0432\u043f\u043e\u043b\u043d\u0435 \u043c\u043e\u0449\u043d\u044b\u0439 fanless-\u043a\u043e\u043c\u043f\u044c\u044e\u0442\u0435\u0440 \u0441 Linux. \u0421\u0435\u0433\u043e\u0434\u043d\u044f \u043c\u044b \u0440\u0430\u0441\u0441\u043c\u043e\u0442\u0440\u0438\u043c \u043f\u043e\u043b\u0435\u0437\u043d\u044b\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 Raspberry Pi, \u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043a\u043e\u0434 \u043f\u0438\u0441\u0430\u0442\u044c \u043d\u0435 \u043f\u0440\u0438\u0434\u0435\u0442\u0441\u044f \u0441\u043e\u0432\u0441\u0435\u043c. \u0414\u043b\u044f \u0442\u0435\u0445 \u043a\u043e\u043c\u0443 \u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u043e, \u043f\u043e\u0434\u0440\u043e\u0431\u043d\u043e\u0441\u0442\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":39480,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-39479","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u0438\u0432\u0435\u0442 \u0425\u0430\u0431\u0440. 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