{"id":19874,"date":"2021-05-26T10:19:53","date_gmt":"2021-05-26T08:19:53","guid":{"rendered":"https:\/\/www.websupport.sk\/podpora\/?post_type=ht_kb&p=19874"},"modified":"2025-11-05T15:58:50","modified_gmt":"2025-11-05T14:58:50","slug":"pripojenie-na-server-pomocou-ssh-klucov","status":"publish","type":"ht_kb","link":"https:\/\/www.websupport.sk\/podpora\/kb\/pripojenie-na-server-pomocou-ssh-klucov\/","title":{"rendered":"Pripojenie na server pomocou SSH k\u013e\u00fa\u010dov"},"content":{"rendered":"\n

Zabezpe\u010den\u00fd pr\u00edstup k pr\u00edkazov\u00e9mu riadku servera je mo\u017en\u00e9 nadviaza\u0165 cez SSH (Secure SHell). Protokol a n\u00e1stroj SSH nahradil svojich star\u0161\u00edch predchodcov ako telnet<\/code>, rlogin<\/code> alebo rsh<\/code>, aby doplnil ch\u00fdbaj\u00facu bezpe\u010dnostn\u00fa vrstvu v podobe plne \u0161ifrovanej komunik\u00e1cie medzi dvoma neautentifikovan\u00fdmi strojmi v nezabezpe\u010denej sieti.<\/p>\n\n\n\n

V\u010faka SSH dok\u00e1\u017eeme z\u00edska\u0165 dnes u\u017e takmer k \u013eubovo\u013en\u00e9mu serveru kryptovan\u00fd vzdialen\u00fd pr\u00edstup a v pr\u00edkazovom riadku servera tak m\u00f4\u017eeme pracova\u0165 ako keby sme sedeli priamo pred n\u00edm. Sta\u010d\u00ed sa pripoji\u0165 s prihlasovac\u00edmi \u00fadajmi (meno pou\u017e\u00edvate\u013ea a heslo) na adrese servera (IP adresa). Na serveri be\u017e\u00ed serverov\u00e1 \u010das\u0165 SSH (zv\u00e4\u010d\u0161a d\u00e9mon sshd<\/code>), ku ktorej sa zo vzdialen\u00e9ho po\u010d\u00edta\u010da prip\u00e1jame pomocou klientskej \u010dasti SSH (n\u00e1stroj ssh<\/code>).<\/p>\n\n\n\n

\"\"<\/figure><\/div>\n\n\n\n

Popul\u00e1rna implement\u00e1cia SSH je vyd\u00e1van\u00e1 pod n\u00e1zvom OpenSSH<\/a> a n\u00e1jdeme ju predin\u0161talovan\u00fa na mnoh\u00fdch opera\u010dn\u00fdch syst\u00e9moch ako s\u00fa Windows, MacOS, Linux alebo *BSD. Ide o n\u00e1stroj \u0161\u00edren\u00fd bezplatne s otvoren\u00fdm zdrojov\u00fdm k\u00f3dom. O v\u00fdvoj sa staraj\u00fa program\u00e1tori OpenBSD Project<\/a>.<\/p>\n\n\n\n

WebSupport pon\u00faka Shell cez SSH<\/a> na v\u0161etk\u00fdch svojich webhostingoch. Pre virtu\u00e1lny server (VPS)<\/a> od WebSupportu s\u00fa prihlasovacie \u00fadaje na SSH zaslan\u00e9 e-mailom pri objedn\u00e1vke servera. Linuxov\u00fd pr\u00edkazov\u00fd riadok WebSupport pre svoj hosting<\/a> poskytuje aj ako webov\u00fa konzolu, v ktorej m\u00f4\u017eeme pracova\u0165 pomocou webov\u00e9ho prehliada\u010da ako je Google Chrome. Z\u00edskame tak pr\u00edstup k linuxov\u00e9mu pr\u00edkazov\u00e9mu riadku z prostredia, ktor\u00e9 funguje nez\u00e1visle na opera\u010dnom syst\u00e9me.<\/p>\n\n\n\n

Pr\u00edprava prostredia servera<\/h2>\n\n\n\n

Ak pou\u017e\u00edvame VPS, v prvom rade je potrebn\u00e9 zabezpe\u010di\u0165 aktu\u00e1lnos\u0165 v\u0161etk\u00fdch bal\u00edkov. Nain\u0161talujeme teda v\u0161etok updatovan\u00fd softv\u00e9r pomocou dvoch pr\u00edkazov v jednej d\u00e1vke:<\/p>\n\n\n\n

sudo apt update && sudo apt upgrade<\/pre>\n\n\n\n
Ak syst\u00e9m n\u00e1jde aktualizovate\u013en\u00e9 bal\u00ed\u010dky, takto sa op\u00fdta, \u010di ich chceme za\u010da\u0165 in\u0161talova\u0165:<\/p>\n\n\n\n
Do you want to continue? [Y\/n]<\/em><\/p>\n\n\n\n
Stla\u010d\u00edme kl\u00e1ves y<\/code> ak chceme za\u010da\u0165 aktualiza\u010dn\u00fd proces alebo kl\u00e1ves n<\/code>, ak aktualizova\u0165 nechceme. N\u00e1sledne stla\u010d\u00edme kl\u00e1ves Enter<\/code>.<\/p>\n\n\n\n
V pr\u00edpade pou\u017eitia jedn\u00e9ho z webhostingov sta\u010d\u00ed iba aktivova\u0165 Shell<\/a> a prihlasovacie \u00fadaje s adresou aj s konkr\u00e9tnym pr\u00edkazom na pripojenie cez SSH bud\u00fa automaticky vygenerovan\u00e9. <\/p>\n\n\n\n
Vytvorenie s\u00fakromn\u00e9ho a verejn\u00e9ho SSH k\u013e\u00fa\u010dA<\/h2>\n\n\n\n
Prv\u00fdkr\u00e1t sa cez SSH mus\u00edme pripoji\u0165 pomocou prihlasovac\u00edch \u00fadajov (meno<\/code> pou\u017e\u00edvate\u013ea a heslo) na server<\/code> (IP adresa) takto:<\/p>\n\n\n\n
ssh meno@server<\/pre>\n\n\n\n
Bezpe\u010dnej\u0161ia forma autentifik\u00e1cie ako prihlasovacie \u00fadaje je v\u0161ak pou\u017eitie SSH k\u013e\u00fa\u010dov. Vytvor\u00edme teda s\u00fakromn\u00fd a verejn\u00fd SSH k\u013e\u00fa\u010d takto:<\/p>\n\n\n\n
ssh-keygen<\/pre>\n\n\n\n
Ke\u010f\u017ee najpou\u017e\u00edvanej\u0161ie opera\u010dn\u00e9 syst\u00e9my ako Windows, MacOS alebo Linux maj\u00fa predin\u0161talovan\u00e9 OpenSSH, postup vytv\u00e1rania k\u013e\u00fa\u010dov bude v pr\u00edkazovom riadku rovnak\u00fd. Najsk\u00f4r sa vyp\u00ed\u0161e inform\u00e1cia o tom, \u017ee sa chyst\u00e1me vytvori\u0165 p\u00e1r k\u013e\u00fa\u010dov – jeden s\u00fakromn\u00fd (private), druh\u00fd verejn\u00fd (public). Pri zad\u00e1van\u00ed n\u00e1zvu s\u00faboru a hesla sta\u010d\u00ed iba stla\u010di\u0165 kl\u00e1ves Enter<\/code>, aby sme ponechali prednastaven\u00fd n\u00e1zov s\u00faboru a k\u013e\u00fa\u010de bez hesla.<\/p>\n\n\n\n
Svoj priv\u00e1tn\u00fd k\u013e\u00fa\u010d, resp. s\u00fabor id_rsa nikdy nezverej\u0148ujeme.<\/p>\n\n\n\n
S\u00fakromn\u00fd k\u013e\u00fa\u010d sa ulo\u017eil do oby\u010dajn\u00e9ho textov\u00e9ho s\u00faboru s n\u00e1zvom id_rsa<\/code>, pri\u010dom cesta k tomuto s\u00faboru bola vyp\u00edsan\u00e1 v z\u00e1tvorke. V rovnakej ceste n\u00e1jdeme aj oby\u010dajn\u00fd textov\u00fd s\u00fabor id_rsa.pub<\/code>, ktor\u00fd obsahuje verejn\u00fd k\u013e\u00fa\u010d. S\u00fabor so s\u00fakromn\u00fdm k\u013e\u00fa\u010dom nikdy nikde nezverej\u0148ujeme. S\u00fabor s verejn\u00fdm k\u013e\u00fa\u010dom po\u0161leme na server, aby n\u00e1s server pri bud\u00facom pokuse o prihl\u00e1senie mohol identifikova\u0165 u\u017e na z\u00e1klade verejn\u00e9ho k\u013e\u00fa\u010da bez hesla.<\/p>\n\n\n\n
Pridanie verejn\u00e9ho SSH k\u013e\u00fa\u010dA na server<\/h2>\n\n\n\n
Linux a MacOS obsahuj\u00fa n\u00e1stroj ssh-copy-id<\/code>, v\u010faka ktor\u00e9mu ve\u013emi jednoducho zap\u00ed\u0161eme verejn\u00fd k\u013e\u00fa\u010d zo s\u00faboru id_rsa.pub<\/code> na server do s\u00faboru povolen\u00fdch k\u013e\u00fa\u010dov (~\/.ssh\/authorized_keys<\/code>) takto:<\/p>\n\n\n\n
ssh-copy-id meno@server<\/pre>\n\n\n\n
Windows v \u010dase p\u00edsania tohto n\u00e1vodu n\u00e1stroj ssh-copy-id<\/code> neobsahuje, a tak si mus\u00edme poradi\u0165 inak:<\/p>\n\n\n\n
type %USERPROFILE%\\.ssh\\id_rsa.pub | ssh meno@server \"cat >> ~\/.ssh\/authorized_keys\"<\/pre>\n\n\n\n
Pri\u010dom meno<\/code> zamen\u00edme za prihlasovacie meno pou\u017e\u00edvate\u013ea, server<\/code> za IP adresu servera a po\u010das prihlasovania zad\u00e1me heslo. Pri druhom pokuse o prihl\u00e1senie sa u\u017e server nebude p\u00fdta\u0165 na meno ani heslo a sta\u010d\u00ed zada\u0165 iba IP adresu servera (namiesto server<\/code>):<\/p>\n\n\n\n
ssh server<\/pre>\n\n\n\n
Ak sa meno, ktor\u00fdm sme pr\u00e1ve prihl\u00e1sen\u00ed, nezhoduje s menom na serveri, mus\u00edme pri prihlasovan\u00ed na server zada\u0165 aj pou\u017e\u00edvate\u013esk\u00e9 meno<\/code> takto:<\/p>\n\n\n\n
ssh meno@server<\/pre>\n\n\n\n
Zabezpe\u010denie SSH servera<\/h2>\n\n\n\n
V pr\u00edpade pou\u017eitia VPS odpor\u00fa\u010dame vykona\u0165 konkr\u00e9tne nastavenia SSH servera, v\u010faka ktor\u00fdm sa budete cez SSH prip\u00e1ja\u0165 bezpe\u010dnej\u0161ie a zlep\u0161\u00ed sa aj celkov\u00e1 bezpe\u010dnos\u0165 VPS.<\/p>\n\n\n\n
Zmena portu<\/h3>\n\n\n\n
\u0160tandardne SSH server (d\u00e9mon) po\u010d\u00fava na porte 22. Je v\u0161eobecne zn\u00e1me, \u017ee tento port obsadzuje slu\u017eba SSH, a tak b\u00fdva \u010dasto ter\u010dom automatizovan\u00fdch \u00fatokov. Ak ale port zmen\u00edme na in\u00e9 \u010d\u00edslo, povedzme na 4444, \u00fato\u010dn\u00edkom to trochu s\u0165a\u017e\u00edme a n\u00e1\u0161 server viac ochr\u00e1nime pred automatizovan\u00fdmi \u00fatokmi.<\/p>\n\n\n\n
Pre lep\u0161ie zabezpe\u010denie pr\u00edstupu na server pomocou SSH odpor\u00fa\u010dame obmedzi\u0165 ho len z povolen\u00fdch statick\u00fdch IP adries pomocou firewallu. Pripadne blokova\u0165 pokusy o prihl\u00e1senie pomocou n\u00e1stroja ako fail2ban.<\/p>\n\n\n\n
Otvor\u00edme konfigura\u010dn\u00fd s\u00fabor SSH servera a prep\u00ed\u0161eme port 22 na port 4444:<\/p>\n\n\n\n
sudo nano \/etc\/ssh\/sshd_config<\/pre>\n\n\n\n
V otvorenom konfigura\u010dnom s\u00fabore n\u00e1jdeme riadok s obsahom #Port 22<\/code>, ktor\u00fd prep\u00ed\u0161eme na Port 4444<\/code>. S\u00fabor ulo\u017e\u00edme pomocou kl\u00e1vesovej skratky Ctrl + X<\/code> a n\u00e1sledne stla\u010den\u00edm kl\u00e1vesu y<\/code> a potvrden\u00edm kl\u00e1vesom Enter<\/code>. Nakoniec e\u0161te SSH server re\u0161tartujeme, aby sa ulo\u017een\u00e9 zmeny prejavili:<\/p>\n\n\n\n
sudo systemctl restart ssh.service<\/pre>\n\n\n\n
Odteraz pre pripojenie k SSH serveru mus\u00edme \u0161pecifikova\u0165 okrem mena a servera e\u0161te aj port (-p 4444<\/code>):<\/p>\n\n\n\n
ssh meno@server -p 4444<\/pre>\n\n\n\n
Obmedzenie pou\u017e\u00edvate\u013eov<\/h3>\n\n\n\n
\u010eal\u0161\u00edm krokom k bezpe\u010dnej\u0161iemu SSH servera je v\u00fdber pou\u017e\u00edvate\u013eov, ktor\u00ed sa m\u00f4\u017eu cez SSH pripoji\u0165. To m\u00f4\u017eeme urobi\u0165 priamo vymenovan\u00edm pou\u017e\u00edvate\u013eov (AllowUsers<\/code>) alebo skupiny pou\u017e\u00edvate\u013eov (AllowGroups<\/code>).<\/p>\n\n\n\n
Viac o pou\u017e\u00edvate\u013eoch a skupin\u00e1ch v Linuxe sa do\u010d\u00edtate v n\u00e1vode Spr\u00e1va s\u00faborov a pou\u017e\u00edvate\u013eov v linuxovom pr\u00edkazovom riadku<\/a>.<\/p>\n\n\n\n
Otvor\u00edme konfigura\u010dn\u00fd s\u00fabor SSH servera (prv\u00fd riadok) a vyh\u013ead\u00e1me direkt\u00edvu AllowUsers<\/code> a\/alebo AllowGroups<\/code>. Ak direkt\u00edvy neexistuj\u00fa, zap\u00ed\u0161eme ich na koniec konfigura\u010dn\u00e9ho s\u00faboru (druh\u00fd a tret\u00ed riadok). S\u00fabor ulo\u017e\u00edme pomocou kl\u00e1vesovej skratky Ctrl + X<\/code> a n\u00e1sledne stla\u010den\u00edm kl\u00e1vesu y<\/code> a potvrden\u00edm kl\u00e1vesom Enter<\/code>. Nakoniec e\u0161te SSH server re\u0161tartujeme (\u0161tvrt\u00fd riadok), aby sa ulo\u017een\u00e9 zmeny prejavili.<\/p>\n\n\n\n
sudo nano \/etc\/ssh\/sshd_config<\/pre>\n\n\n\n
AllowUsers meno1 meno2 meno3<\/pre>\n\n\n\n
AllowGroups skupina1 skupina2 skupina3<\/pre>\n\n\n\n
sudo systemctl restart ssh.service<\/pre>\n\n\n\n
Men\u00e1 pou\u017e\u00edvate\u013eov (meno1 meno2 meno3<\/code>) a n\u00e1zvy skup\u00edn (skupina1 skupina2 skupina3<\/code>) nahrad\u00edme pod\u013ea potreby. Ak zad\u00e1vame viacero mien a skup\u00edn, odde\u013eujeme ich od sebe medzerou.<\/p>\n\n\n\n
Iba pou\u017e\u00edvatelia, ktor\u00ed s\u00fa zap\u00edsan\u00ed v konfigura\u010dnom s\u00fabore servera SSH pod direkt\u00edvou AllowUsers<\/code> a\/alebo AllowGroups<\/code> sa m\u00f4\u017eu prihl\u00e1si\u0165 cez SSH. Ostatn\u00fdm bude pr\u00edstup zamietnut\u00fd.<\/p>\n\n\n\n
Zak\u00e1zanie pou\u017e\u00edvate\u013ea root<\/h3>\n\n\n\n
Dobrou praxou m\u00f4\u017ee by\u0165 zak\u00e1za\u0165 prihl\u00e1senie cez SSH pod pou\u017e\u00edvate\u013esk\u00fdm \u00fa\u010dtom s najvy\u0161\u0161\u00edmi opr\u00e1vneniami (root), hne\u010f po vytvoren\u00ed pou\u017e\u00edvate\u013ea s opr\u00e1vnen\u00edm pou\u017e\u00edva\u0165 n\u00e1stroj sudo<\/code>.<\/p>\n\n\n\n
Pou\u017e\u00edvate\u013ea root zak\u00e1\u017ete len, ak m\u00e1te funk\u010dn\u00e9ho u\u017e\u00edvate\u013ea na ktor\u00e9ho viete najvy\u0161\u0161ie pr\u00e1va pov\u00fd\u0161i\u0165.<\/p>\n\n\n\n
Otvor\u00edme konfigura\u010dn\u00fd s\u00fabor SSH servera (prv\u00fd riadok), vyh\u013ead\u00e1me direkt\u00edvu PermitRootLogin<\/code> a zmen\u00edme ju tak, ako ukazujeme v druhom riadku. S\u00fabor ulo\u017e\u00edme pomocou kl\u00e1vesovej skratky Ctrl + X<\/code> a n\u00e1sledne stla\u010den\u00edm kl\u00e1vesu y<\/code> a potvrden\u00edm kl\u00e1vesom Enter<\/code>. Nakoniec e\u0161te SSH server re\u0161tartujeme (tret\u00ed riadok), aby sa ulo\u017een\u00e9 zmeny prejavili.<\/p>\n\n\n\n
sudo nano \/etc\/ssh\/sshd_config<\/pre>\n\n\n\n
PermitRootLogin no<\/pre>\n\n\n\n
sudo systemctl restart ssh.service<\/pre>\n\n\n\n
Odteraz sa u\u017e pou\u017e\u00edvate\u013e root cez SSH neprihl\u00e1si.<\/p>\n\n\n\n
Povolenie root pr\u00edstupu len pre ur\u010dit\u00e9 pr\u00edkazy<\/h3>\n\n\n\n
Niekedy je dobr\u00e9 zak\u00e1za\u0165 prihl\u00e1senie cez SSH pre pou\u017e\u00edvate\u013ea root a z\u00e1rove\u0148 povoli\u0165 spustenie niektor\u00fdch pr\u00edkazov pod t\u00fdmto \u00fa\u010dtom. Tak\u00fdto pr\u00edstup sa m\u00f4\u017ee hodi\u0165 pri nastaven\u00ed z\u00e1lohovania (napr. cez n\u00e1stroj rsync<\/code>).<\/p>\n\n\n\n
Najsk\u00f4r mus\u00edme prida\u0165 verejn\u00fd SSH k\u013e\u00fa\u010d do s\u00faboru s povolen\u00fdmi k\u013e\u00fa\u010dmi pou\u017e\u00edvate\u013ea root (\/root\/.ssh\/authorized_keys<\/code>). Prv\u00fd riadok plat\u00ed pre Linux a MacOS, druh\u00fd riadok pre Windows, pri\u010dom server<\/code> zamen\u00edme za IP adresu servera a po\u010das prihlasovania zad\u00e1me heslo pre \u00fa\u010det root:<\/p>\n\n\n\n
ssh-copy-id root@server<\/pre>\n\n\n\n
type %USERPROFILE%\\.ssh\\id_rsa.pub | ssh root@server \"cat >> \/root\/.ssh\/authorized_keys\"<\/pre>\n\n\n\n
Prihl\u00e1sime sa na server cez SSH (prv\u00fd riadok) a otvor\u00edme s\u00fabor s povolen\u00fdmi k\u013e\u00fa\u010dmi pou\u017e\u00edvate\u013ea root (druh\u00fd riadok) v tom riadku, kde je zap\u00edsan\u00fd n\u00e1\u0161 verejn\u00fd k\u013e\u00fa\u010d. Na za\u010diatok riadka prid\u00e1me obsah ni\u017e\u0161ie (tret\u00ed riadok), ktor\u00fd bude mo\u017en\u00e9 spusti\u0165 cez SSH pod \u00fa\u010dtom root. S\u00fabor ulo\u017e\u00edme pomocou kl\u00e1vesovej skratky Ctrl + X<\/code> a n\u00e1sledne stla\u010den\u00edm kl\u00e1vesu y<\/code> a potvrden\u00edm kl\u00e1vesom Enter<\/code>.<\/p>\n\n\n\n
ssh server<\/pre>\n\n\n\n
sudo nano \/root\/.ssh\/authorized_keys<\/pre>\n\n\n\n
command=\"\/cesta\/k\/prikazu argument1 argument2\" ssh-rsa ...<\/pre>\n\n\n\n
Otvor\u00edme konfigura\u010dn\u00fd s\u00fabor SSH servera (prv\u00fd riadok), vyh\u013ead\u00e1me direkt\u00edvu PermitRootLogin<\/code> a zmen\u00edme ju tak, ako ukazujeme ni\u017e\u0161ie (druh\u00fd riadok). S\u00fabor ulo\u017e\u00edme pomocou kl\u00e1vesovej skratky Ctrl + X<\/code> a n\u00e1sledne stla\u010den\u00edm kl\u00e1vesu y<\/code> a potvrden\u00edm kl\u00e1vesom Enter<\/code>. Nakoniec e\u0161te SSH server re\u0161tartujeme (tret\u00ed riadok), aby sa ulo\u017een\u00e9 zmeny prejavili.<\/p>\n\n\n\n
sudo nano \/etc\/ssh\/sshd_config<\/pre>\n\n\n\n
PermitRootLogin forced-commands-only<\/pre>\n\n\n\n
sudo systemctl restart ssh.service<\/pre>\n\n\n\n
Odteraz sa pou\u017e\u00edvate\u013e root cez SSH na server prihl\u00e1si iba vtedy, ak bude chcie\u0165 hne\u010f po prihl\u00e1sen\u00ed spusti\u0165 vy\u0161\u0161ie povolen\u00fd pr\u00edkaz.<\/p>\n\n\n\n
Zhrnutie<\/h2>\n\n\n\n
Vytvorili sme SSH k\u013e\u00fa\u010de (s\u00fakromn\u00fd a verejn\u00fd) a n\u00e1sledne sme verejn\u00fd SSH k\u013e\u00fa\u010d skop\u00edrovali na server, aby sme sa mohli prihlasova\u0165 bezpe\u010dnej\u0161ou met\u00f3dou (nie prihlasovac\u00edm menom a heslom). Tie\u017e sme uk\u00e1zali, ako efekt\u00edvne zabezpe\u010di\u0165 SSH server proti (automatizovan\u00fdm) \u00fatokom.<\/p>\n","protected":false},"excerpt":{"rendered":"
Zabezpe\u010den\u00fd pr\u00edstup k pr\u00edkazov\u00e9mu riadku servera je mo\u017en\u00e9 nadviaza\u0165 cez SSH (Secure SHell). Protokol a n\u00e1stroj SSH nahradil svojich star\u0161\u00edch predchodcov ako telnet, rlogin alebo rsh, aby doplnil ch\u00fdbaj\u00facu bezpe\u010dnostn\u00fa vrstvu v podobe plne \u0161ifrovanej komunik\u00e1cie medzi dvoma neautentifikovan\u00fdmi strojmi v nezabezpe\u010denej sieti. V\u010faka SSH dok\u00e1\u017eeme z\u00edska\u0165 dnes u\u017e takmer…<\/p>\n","protected":false},"author":28,"template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[52,33],"ht-kb-tag":[234,336,381,92,91,189],"class_list":["post-19874","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-vps","ht_kb_category-servery","ht_kb_tag-bezpecnost","ht_kb_tag-cli","ht_kb_tag-server","ht_kb_tag-shell","ht_kb_tag-ssh","ht_kb_tag-vps"],"yoast_head":"\nPripojenie na server pomocou SSH k\u013e\u00fa\u010dov - Websupport centrum podpory<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.websupport.sk\/podpora\/kb\/pripojenie-na-server-pomocou-ssh-klucov\/\" \/>\n<meta property=\"og:locale\" content=\"sk_SK\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pripojenie na server pomocou SSH k\u013e\u00fa\u010dov - Websupport centrum podpory\" \/>\n<meta property=\"og:description\" content=\"Zabezpe\u010den\u00fd pr\u00edstup k pr\u00edkazov\u00e9mu riadku servera je mo\u017en\u00e9 nadviaza\u0165 cez SSH (Secure SHell). Protokol a n\u00e1stroj SSH nahradil svojich star\u0161\u00edch predchodcov ako telnet, rlogin alebo rsh, aby doplnil ch\u00fdbaj\u00facu bezpe\u010dnostn\u00fa vrstvu v podobe plne \u0161ifrovanej komunik\u00e1cie medzi dvoma neautentifikovan\u00fdmi strojmi v nezabezpe\u010denej sieti. 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