{"id":759,"date":"2020-04-27T09:21:03","date_gmt":"2020-04-27T07:21:03","guid":{"rendered":"http:\/\/tech.sosthe.sk\/?p=759"},"modified":"2020-04-27T21:25:16","modified_gmt":"2020-04-27T19:25:16","slug":"putty","status":"publish","type":"post","link":"http:\/\/tech.sosthe.sk\/index.php\/2020\/04\/27\/putty\/","title":{"rendered":"PuTTY"},"content":{"rendered":"<p>PuTTY je popul\u00e1rny klient protokolov SSH, Telnet, Rlogin, hol\u00e9ho TCP a termin\u00e1l pre spojenia cez s\u00e9riov\u00fd port. P\u00f4vodne bol dostupn\u00fd iba pre syst\u00e9m Windows a v s\u00fa\u010dasnosti existuje aj pre r\u00f4zne UNIXov\u00e9 platformy. Je to open source softv\u00e9r, \u0161\u00edren\u00fd pod MIT licenciou, ktor\u00fd je k dispoz\u00edcii aj so zdrojov\u00fdm k\u00f3dom.<\/p>\n<p>Niektor\u00e9 z vlastnost\u00ed PuTTY:<\/p>\n<ul>\n<li>ukladanie inform\u00e1ci\u00ed o serveroch a nastaveniach<\/li>\n<li>v\u00fdber protokolu SSH a \u0161ifrovacieho k\u013e\u00fa\u010da<\/li>\n<li>klient pr\u00edkazov\u00e9ho riadku SCP a SFTP (pscp a psftp)<\/li>\n<li>mo\u017enos\u0165 forwardovania portov s SSH<\/li>\n<\/ul>\n<p>U PuTTY je z\u00e1kladn\u00e1 konfigur\u00e1cia ve\u013emi jednoduch\u00e1.\u00a0Z\u00e1kladn\u00e9 \u00fadaje pre pripojenie n\u00e1jdete v sekcii <strong><em>Session<\/em><\/strong>.\u00a0 PuTTY podporuje r\u00f4zne typy pripojenia, my naj\u010dastej\u0161ie pou\u017eijeme samozrejme\u00a0<strong><em>SSH<\/em><\/strong>.\u00a0Je\u00a0mo\u017en\u00e9 nastavi\u0165 u\u017e\u00edvate\u013eov, ktor\u00fdm sa budeme automaticky prihlasova\u0165 a to nastaven\u00edm <strong><em>Auto-login username<\/em><\/strong> v sekcii <strong><em>Connection-&gt; Data<\/em><\/strong>.\u00a0Ak pou\u017e\u00edvate proxy, nastavte ho v sekcii <strong><em>Connection-&gt; Proxy<\/em><\/strong>. Pre lep\u0161iu \u010ditate\u013enos\u0165 v termin\u00e1lovom okne (ak je rozl\u00ed\u0161enie zobrazova\u010da ve\u013emi ve\u013ek\u00e9) m\u00f4\u017eeme zmeni\u0165 ve\u013ekos\u0165 fontu v polo\u017eke <strong><em>Window-&gt; Appearance<\/em><\/strong> sekcia\u00a0 <strong><em>Font settings<\/em><\/strong>, stla\u010di\u0165 tla\u010d\u00edtko <em>Change<\/em> a vybra\u0165 ve\u013ekos\u0165 a typ fontu.<\/p>\n<p>O ostatn\u00fdch mo\u017enostiach konfigur\u00e1cie si povieme nesk\u00f4r, ale typicky pre be\u017en\u00e9 pou\u017eitie je v\u0161etko nastaven\u00e9 tak, ako m\u00e1 by\u0165.<\/p>\n<p>Cel\u00fa konfigur\u00e1ciu je mo\u017en\u00e9 ulo\u017ei\u0165 do profilu, a to v sekcii <strong><em>Session<\/em><\/strong> po zadan\u00ed mena, a kliknut\u00ed na <strong><em>Save<\/em><\/strong>.\u00a0Potom si ju m\u00f4\u017eete na\u010d\u00edta\u0165 zvolen\u00edm pr\u00edslu\u0161nej <em>session<\/em> a kliknut\u00edm na tla\u010didlo <strong><em>Load<\/em><\/strong>.<\/p>\n<h4>Pou\u017eitie PuTTY<\/h4>\n<p>Spustite PuTTY.\u00a0Do Hostname nap\u00ed\u0161te IP adresu (pr\u00edpadne meno) servera, ku ktor\u00e9mu sa chcete pripoji\u0165 (IP adresu po\u010d\u00edta\u010da m\u00f4\u017eete jednoducho zisti\u0165 pr\u00edkazom ipconfig na Windows a ifconfig na Linuxe).\u00a0Port ve v\u00e4\u010d\u0161ine pr\u00edpadov nech\u00e1te na 22 (predvolen\u00fd port pre SSH), ale na serveri je toto samozrejme mo\u017en\u00e9 zmeni\u0165.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-760 \" src=\"http:\/\/tech.sosthe.sk\/wp-content\/uploads\/2020\/04\/putty.png\" alt=\"\" width=\"499\" height=\"451\" srcset=\"http:\/\/tech.sosthe.sk\/wp-content\/uploads\/2020\/04\/putty.png 602w, http:\/\/tech.sosthe.sk\/wp-content\/uploads\/2020\/04\/putty-300x271.png 300w\" sizes=\"(max-width: 499px) 100vw, 499px\" \/><\/p>\n<p>Kliknite na tla\u010didlo Connect.\u00a0Ak sa k dan\u00e9mu serveru prip\u00e1jate prv\u00fdkr\u00e1t, zobraz\u00ed sa v\u00e1m pravdepodobne varovanie podobn\u00e9 tomuto:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-761 \" src=\"http:\/\/tech.sosthe.sk\/wp-content\/uploads\/2020\/04\/ssh.png\" alt=\"\" width=\"340\" height=\"249\" srcset=\"http:\/\/tech.sosthe.sk\/wp-content\/uploads\/2020\/04\/ssh.png 514w, http:\/\/tech.sosthe.sk\/wp-content\/uploads\/2020\/04\/ssh-300x219.png 300w\" sizes=\"(max-width: 340px) 100vw, 340px\" \/><\/p>\n<p>To potvr\u010fte (d\u00f4le\u017eit\u00e9 je vedie\u0165, \u017ee sa prip\u00e1jame k serveru, ku ktor\u00e9mu chceme).\u00a0PuTTY si ulo\u017e\u00ed tzv. RSA k\u013e\u00fa\u010d servera a pri ka\u017edom pripojen\u00ed over\u00ed, \u010di sa nezmenil.\u00a0Ak \u00e1no, upozorn\u00ed n\u00e1s na to &#8211; m\u00f4\u017ee to znamena\u0165, \u017ee sa prip\u00e1jame k serveru, ktor\u00fd sa len vyd\u00e1va za server, ktor\u00fd chceme (pripojen\u00edm k tak\u00e9mu serveru by sme prakticky odtajnili na\u0161e prihlasovacie \u00fadaje). Po potvrden\u00ed sa objav\u00ed termin\u00e1lov\u00e9 okno.\u00a0V \u0148om uvid\u00edte text &#8222;login as:&#8220;.\u00a0Sem zadajte svoje pou\u017e\u00edvate\u013esk\u00e9 meno.\u00a0N\u00e1sledne sa objav\u00ed v\u00fdzva na zadanie hesla.\u00a0Ak zad\u00e1te platn\u00e9 inform\u00e1cie, objav\u00ed sa prompt, kde u\u017e m\u00f4\u017eete zad\u00e1va\u0165 samotn\u00e9 pr\u00edkazy.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-762 \" src=\"http:\/\/tech.sosthe.sk\/wp-content\/uploads\/2020\/04\/terminal.png\" alt=\"\" width=\"500\" height=\"316\" srcset=\"http:\/\/tech.sosthe.sk\/wp-content\/uploads\/2020\/04\/terminal.png 825w, http:\/\/tech.sosthe.sk\/wp-content\/uploads\/2020\/04\/terminal-300x189.png 300w, http:\/\/tech.sosthe.sk\/wp-content\/uploads\/2020\/04\/terminal-768x485.png 768w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/p>\n<h4><\/h4>\n<h4>\u010co je to SSH a na \u010do je dobr\u00e9<\/h4>\n<p>SSH, \u010di\u017ee Secure Shell, vznikol ako n\u00e1hrada za\u00a0telnet.\u00a0<a href=\"http:\/\/tech.sosthe.sk\/index.php\/odborne-predmety\/pocitacove-systemy\/telnet\/\">Telnet<\/a> je protokol, ktor\u00fd umo\u017e\u0148uje vzdialen\u00e9 pripojenie k in\u00e9mu po\u010d\u00edta\u010du (napr. aj routeru, switchu) a textov\u00fa komunik\u00e1ciu medzi nimi (vo forme vzdialen\u00e9ho termin\u00e1lu). Nemus\u00edte teda fyzicky pr\u00eds\u0165 k dan\u00e9mu zariadeniu a pripoji\u0165 si kl\u00e1vesnicu a monitor.\u00a0Sta\u010d\u00ed by\u0165 pripojen\u00fd k jednej sieti.\u00a0Obrovsk\u00e1 nev\u00fdhoda telnetu je to, \u017ee komunik\u00e1cia prebieha ako plain-text &#8211; posielan\u00e9 d\u00e1ta nie s\u00fa nijako \u0161ifrovan\u00e9 a ktoko\u013evek v sieti ich teda m\u00f4\u017ee odpo\u010d\u00fava\u0165. A pr\u00e1ve v reakcii na toto bol v roku 1995 vyvinut\u00fd SSH.<\/p>\n<p>SSH je teda zabezpe\u010den\u00fd komunika\u010dn\u00fd protokol (vyu\u017e\u00edva TCP\/IP). Okrem toho je to tie\u017e n\u00e1zov unixov\u00e9ho programu, ktor\u00fd pomocou tohto protokolu sprostredkov\u00e1va komunik\u00e1ciu medzi po\u010d\u00edta\u010dmi na viacer\u00fdch \u00farovniach.\u00a0SSH umo\u017e\u0148uje okrem pr\u00edstupu k vzdialen\u00e9mu termin\u00e1lu tie\u017e prenos s\u00faborov a tzv. Sie\u0165ov\u00e9 tunelovanie, ktor\u00e9 sl\u00fa\u017eia pre zabezpe\u010den\u00fd prenos ak\u00fdko\u013evek d\u00e1t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PuTTY je popul\u00e1rny klient protokolov SSH, Telnet, Rlogin, hol\u00e9ho TCP a termin\u00e1l pre spojenia cez s\u00e9riov\u00fd port. P\u00f4vodne bol dostupn\u00fd iba pre syst\u00e9m Windows a&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[13],"tags":[],"_links":{"self":[{"href":"http:\/\/tech.sosthe.sk\/index.php\/wp-json\/wp\/v2\/posts\/759"}],"collection":[{"href":"http:\/\/tech.sosthe.sk\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/tech.sosthe.sk\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/tech.sosthe.sk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/tech.sosthe.sk\/index.php\/wp-json\/wp\/v2\/comments?post=759"}],"version-history":[{"count":4,"href":"http:\/\/tech.sosthe.sk\/index.php\/wp-json\/wp\/v2\/posts\/759\/revisions"}],"predecessor-version":[{"id":774,"href":"http:\/\/tech.sosthe.sk\/index.php\/wp-json\/wp\/v2\/posts\/759\/revisions\/774"}],"wp:attachment":[{"href":"http:\/\/tech.sosthe.sk\/index.php\/wp-json\/wp\/v2\/media?parent=759"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/tech.sosthe.sk\/index.php\/wp-json\/wp\/v2\/categories?post=759"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/tech.sosthe.sk\/index.php\/wp-json\/wp\/v2\/tags?post=759"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}