{"id":255,"date":"2021-08-30T16:05:09","date_gmt":"2021-08-30T16:05:09","guid":{"rendered":"https:\/\/uni.hi.is\/martin\/?p=255"},"modified":"2021-08-31T11:56:17","modified_gmt":"2021-08-31T11:56:17","slug":"raspberry-pi-thjonar-visindasmidjunnar","status":"publish","type":"post","link":"https:\/\/uni.hi.is\/martin\/2021\/08\/30\/raspberry-pi-thjonar-visindasmidjunnar\/","title":{"rendered":"Raspberry Pi \u00fej\u00f3nar V\u00edsindasmi\u00f0junnar"},"content":{"rendered":"<p>Eitt lei\u00f0arstefa okkar \u00ed forritunarsmi\u00f0jum V\u00edsindasmi\u00f0junnar er a\u00f0 vi\u00f0 viljum s\u00fdna \u00fe\u00e1tttakendum hversu au\u00f0velt er a\u00f0 n\u00fdta t\u00e6knina til a\u00f0 leysa alls kyns verkefni \u00ed kringum okkur. Safna g\u00f6gnum, greina umhverfi\u00f0, breg\u00f0ast vi\u00f0 innt\u00f6kum, e\u00f0a laga sig a\u00f0 a\u00f0st\u00e6\u00f0um. \u00cd allnokkurn t\u00edma hefur einnig veri\u00f0 afar undarlegt hitastig \u00ed V\u00edsindasmi\u00f0junni en erfitt a\u00f0 greina hva\u00f0 er \u00ed gangi.<\/p>\n<p>Svo n\u00fa er \u00fe\u00e1 r\u00e1\u00f0 a\u00f0 stilla bara upp nokkrum \u00f3notu\u00f0um eldri Raspberry Pi t\u00f6lvum sem vi\u00f0 erum me\u00f0 h\u00e9r \u00ed Smi\u00f0junni og byrja a\u00f0 taka m\u00e6lingar og safna saman. \u00de\u00e1 \u00e6tla \u00e9g a\u00f0 sty\u00f0jast vi\u00f0 \u00feetta \u00e1g\u00e6ta skjal h\u00e9r:<br \/>\n<a href=\"https:\/\/www.raspberrypi.org\/documentation\/computers\/remote-access.html\">https:\/\/www.raspberrypi.org\/documentation\/computers\/remote-access.html<\/a><\/p>\n<p>Markmi\u00f0i\u00f0 er a\u00f0 setja upp eina v\u00e9l me\u00f0 vef\u00fej\u00f3ni og svo tv\u00e6r e\u00f0a fleiri til a\u00f0 safna g\u00f6gnum. \u00dej\u00f3nninn tekur svo vi\u00f0 m\u00e6lig\u00f6gnum, setur \u00fe\u00e6r upp \u00e1 vef og\/e\u00f0a s\u00fdnir \u00e1 skj\u00e1.<\/p>\n<h2>Fyrstu skref<\/h2>\n<p>Einfaldasta lei\u00f0in til a\u00f0 skrifa Raspberry Pi OS st\u00fdrikerfi\u00f0 \u00e1 SD kort \u00e1 Windows v\u00e9l er a\u00f0 <a href=\"https:\/\/www.raspberrypi.org\/documentation\/computers\/getting-started.html#using-raspberry-pi-imager\">nota Raspberry Pi Imager forriti\u00f0<\/a>. \u00cd \u00fev\u00ed er st\u00fdrikerfi\u00f0 og drifi\u00f0 vali\u00f0 og forriti\u00f0 s\u00e9r um rest.<\/p>\n<p>\u00deegar st\u00fdrikerfi\u00f0 er komi\u00f0 upp er SD kortinu stungi\u00f0 \u00ed Raspberry Pi v\u00e9l, h\u00fan tengd vi\u00f0 lyklabor\u00f0, m\u00fas og skj\u00e1, og kveikt \u00e1 henni. \u00deegar st\u00fdrikerfi\u00f0 keyrir upp \u00ed fyrsta skipti tekur \u00fea\u00f0 notandann \u00ed gegnum nokkrar stillingar og uppf\u00e6rir sig.<\/p>\n<p>\u00cd \u00feessu skrefi er \u00e1g\u00e6tt a\u00f0 fara \u00ed stillingarnar (Hindberi\u00f0 -&gt; Preferences -&gt; Raspberry Pi Configuration), velja \u00fea\u00f0 Interfaces, og kveikja \u00e1 SSH, i2c og 1-wire tengim\u00f6guleikunum. Me\u00f0 \u00fev\u00ed er h\u00e6gt a\u00f0 skr\u00e1 sig inn \u00e1 v\u00e9lina me\u00f0 SSH og tengja hana vi\u00f0 alls kyns b\u00fana\u00f0 me\u00f0 i2c og 1-wire.<\/p>\n<p>Svo er bara a\u00f0 lofa v\u00e9linni a\u00f0 uppf\u00e6ra sig og endurr\u00e6sa hana a\u00f0 \u00fev\u00ed loknu.<\/p>\n<h2>SSH<\/h2>\n<p>SSH, e\u00f0a secure shell, er keyrt \u00ed skipanal\u00ednuvi\u00f0m\u00f3ti sem er afar \u00fe\u00e6gilegt a\u00f0 nota \u00e1 st\u00fdrikerfum sem byggja \u00e1 Linux. \u00cd greininni <a href=\"https:\/\/www.raspberrypi.org\/documentation\/computers\/remote-access.html\">Remote Access<\/a> segir hvernig \u00e1 a\u00f0 finna IP t\u00f6lu v\u00e9larinnar og hvernig h\u00e6gt er a\u00f0 skr\u00e1 sig inn fr\u00e1 \u00f6\u00f0rum v\u00e9lum.<\/p>\n<p>\u00c1 Windows er \u00fe\u00e6gilegt a\u00f0 nota forrit eins og <a href=\"https:\/\/mobaxterm.mobatek.net\/\">MobaXterm<\/a> e\u00f0a <a href=\"https:\/\/www.putty.org\/\">PuTTY<\/a> en \u00e1 Apple \u00e6tti a\u00f0 vera innbygg\u00f0 skipanal\u00edna (terminal, terminal console, console e\u00f0a \u00e1l\u00edka). \u00c1 Linux eru til m\u00f6rg skipanal\u00ednuforrit en XTerm er \u00fea\u00f0 klass\u00edska.<\/p>\n<h2>Vef\u00fej\u00f3nn<\/h2>\n<p>Vef\u00fej\u00f3nninn er settur upp me\u00f0 skipuninni<\/p>\n<pre class=\"highlight\"><code class=\"language-bash\" data-line=\"\">sudo apt install apache2 -y<\/code><\/pre>\n<p>og \u00fea\u00f0 er ekkert fl\u00f3knara en \u00fea\u00f0. Vefs\u00ed\u00f0an lifir \u00fe\u00e1 \u00ed <code class=\"\" data-line=\"\">\/var\/www\/html\/<\/code> en sj\u00e1lfgefi\u00f0 er h\u00fan bara ein skr\u00e1, <code class=\"\" data-line=\"\">\/var\/www\/html\/index.html<\/code>. S\u00ed\u00f0una m\u00e1 sko\u00f0a me\u00f0 \u00fev\u00ed a\u00f0 sl\u00e1 IP t\u00f6luna (t.d. 192.168.2.10) inn sem vefsl\u00f3\u00f0 \u00e1 vafra sem er \u00e1 sama neti og Raspberry Pi t\u00f6lvan og \u00fe\u00e1 \u00e1 sj\u00e1lfgefna s\u00ed\u00f0an a\u00f0 koma upp.<\/p>\n<p>S\u00ed\u00f0unni m\u00e1 svo breyta \u00ed ritli.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Eitt lei\u00f0arstefa okkar \u00ed forritunarsmi\u00f0jum V\u00edsindasmi\u00f0junnar er a\u00f0 vi\u00f0 viljum s\u00fdna \u00fe\u00e1tttakendum hversu au\u00f0velt er a\u00f0 n\u00fdta t\u00e6knina til a\u00f0 leysa alls kyns verkefni \u00ed&hellip;<\/p>\n","protected":false},"author":1485,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[150624,149875],"tags":[],"class_list":["post-255","post","type-post","status-publish","format-standard","hentry","category-raspberry-pi","category-visindasmidjan"],"_links":{"self":[{"href":"https:\/\/uni.hi.is\/martin\/wp-json\/wp\/v2\/posts\/255","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/uni.hi.is\/martin\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/uni.hi.is\/martin\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/uni.hi.is\/martin\/wp-json\/wp\/v2\/users\/1485"}],"replies":[{"embeddable":true,"href":"https:\/\/uni.hi.is\/martin\/wp-json\/wp\/v2\/comments?post=255"}],"version-history":[{"count":5,"href":"https:\/\/uni.hi.is\/martin\/wp-json\/wp\/v2\/posts\/255\/revisions"}],"predecessor-version":[{"id":262,"href":"https:\/\/uni.hi.is\/martin\/wp-json\/wp\/v2\/posts\/255\/revisions\/262"}],"wp:attachment":[{"href":"https:\/\/uni.hi.is\/martin\/wp-json\/wp\/v2\/media?parent=255"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/uni.hi.is\/martin\/wp-json\/wp\/v2\/categories?post=255"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/uni.hi.is\/martin\/wp-json\/wp\/v2\/tags?post=255"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}