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sudo su nmtui set system hostname: Prezime-00 edit a connection: connection 1: WAN edit a connection: connection 2: LAN: IPv4 CONFIGURATION MANUAL: ADRESSES ADD 172.17.143.1/24 ifconfig yum install dhcp file>otvori jos jedan terminal [DRUGI TERMINAL] nano /usr/share/doc/dhcp-4.2.5/dhcpd.conf.example A slightly different configuration for an internal subnet>COPY [PRVI TERMINAL] nano /etc/dhcp/dhcpd.conf>PASTE subnet 172.17.143.0; range 172.17.143.2 172.17.143.254; option routers 172.17.143.1; option broadcast adress 172.17.143.255; option domain-name-servers 172.17.143.1; systemctl enable dhcpd systemctl start dhcpd [VPCS] show ip ip dhcp ping 172.17.143.1 ping 1.1.1.1 [TRECI TERMINAL] sysctl -w net.ipv4.ip_forward=1 sysctl net.ipv4.ip_forward=1 COPY net.ipv4.ip_forward=1 nano /etc/sysctl.d/ipv4_forward.conf PASTE firewall-cmd --direct --permanent --passthrough ipv4 -t nat -I POSTROUTING -o eth0 -j MASQUERADE firewall-cmd --direct --permanent --passthrough ipv4 -t nat -I FORWARD -i eth1 -j ACCEPT firewall-cmd --reload [VPCS] ping 1.1.1.1 ping google.hr [TRECI TERMINAL] yum install bind bind-utils nano /etc/named.conf listen on port 53: 172.17.143.1; allow-query: 172.17.143.0/24; forwarders {1.1.1.1; 1.0.0.1; 8.8.8.8; 8.8.4.4; } firewall-cmd --add-port=53/tcp firewall-cmd --add-port=53/udp systemctl start named systemctl enable named firewall-cmd --reload
Nat eth0 -> switch eth0 MikroTik eth1 -> switch eth1 Webterm eth0 -> switch eth2 Na webtermu odkomentiramo zadnja 2 reda u EDIT CONFIGU Otvorimo MIKROTIK ip dhcp-client print (dobivenu adresu ako hoćemo zalijepimo u naziv mikrotika) kod njega je IP 192.168.122.139 Terminal WEBTERMA ifconfig ssh admin@192.168.122.139 koji smo dobili /system identity set name=Prezime-00 user add name=Ime group=full password=12345678 :quit ssh Ime@192.168.122.139 user print, remove admin, :quit ssh-keygen -b 4096 ls -al, ls -al .ssh, nano .ssh/id_rsa (samo izađeš iz toga), nano .ssh/id_rsa.pub (isto samo izađeš) scp .ssh/id_rsa.pub Ime@192.168.122.139:/Prezime.pub ssh Ime@192.168.122.139 file print user ssh-keys print user ssh-keys print public-key-file=Prezime.pub user=Ime, user ssh-keys print, :quit ssh Ime@192.168.122.139 :quit ssh Ime@192.168.122.139 -o PubkeyAuthentication=no Dodajemo CentOS i spajamo CentOS eth0 -> switch eth3 ULazimo u CentOS i odlazimo na CTRL+ALT+F2 ifconfig (dobijemo IP adresu i zalijepimo ju u naziv CentOS-a) kod njega je IP 192.168.122.131 Vraćamo se u terminal webterma(Vule provjeri jel ovo točno da je terminal webterma jer mi se kasnije čini da je CENTOS, pa ovo sve tad izbriši i napiši samo CENTOS, hvala) ls -al .ssh, ssh osboxes@192.168.122.131, ifconfig, exit, clear ssh-copy-id osboxes@192.168.122.131 ssh-copy-id osboxes@192.168.122.131 (ne znam iz kojeg se razloga ovo opet moralo napravit) ssh-copy-id osboxes@192.168.122.131, exit ssh osboxes@192.168.122.131 -o PubkeyAuthentication=no, postavimo neku lozinku (nudit će nam samo), clear exit, ssh osboxes@192.168.122.131, sudo su, nano /etcc/ssh/sshd_config Unutra izbrišemo # (ovaj znak) ispred PubkeyAuthentication=YES, PasswordAuthentication no (promjenimo iz yes u no), izbrišemo # ispred PermitEmptyPasswords no, IZLAZIMO VAN systemctl restart sshd, exit, clear Dodajemo windows10 i spajamo Win eth0 - > switch eth4 Ulazimo u windows Passw0rd! Start, windows powershell (admin) ipconfig (zalijepimo ju u naziv windowsa) kod njega je IP 192.168.122.226 srat, computer management, services and applications, services, OpenSSH SSH Server, properties, startup type: automatic, APPLY, START s lijeve strane WEBTERM ssh IEuser@192.168.122.226 ipconfig, exit, clear, gasimo powershell Otvaramo File manager, gore u sredini pišemo programdata, ssh U startu otvaramo NotePad, iz programdata desni klik na sshd_config Copy as-path, u NotePadu Open, u File name zalijepimo što smo kopirali, OPEN Vraćamo se u webterm, id_rsa.pub, refresh u programdata, u webterm ssh IEuser@192.168.122.266 ProgramData, administrators_authorized_keys, kopiramo iz NOtePada administrators_authorized_keys, properties, security, advanced, change perrmissions, Authenticated Users stisnemo i Disable inheritance, nakon toga prvo ponuđeno Opet stisnemo na tog korisnika i REMOVE, gore plavo CHANGE, napišemo na kraj SYSTEM, nakon toga OK, OK, OK WEBTERM ssh IEuser@192.168.122.226, EXIT, ssh IEuser@192.168.122.226 -o PubkeyAuthentication=no, exit Idemo u NotePad, izbrišemo # sa PubkeyAuthentication=yes, nađemo PasswordAuthentication yes (promijenimo u no) i maknemo #, ispod njega PermitEmptyPasswords no maknemo #, SAVE desno gore U computer managementu, services, stisnemo plavi RESTART WEBTERM ssh IEuser@192.168.122.226, dir, exit