{"id":257,"date":"2016-04-04T20:23:16","date_gmt":"2016-04-04T19:23:16","guid":{"rendered":"http:\/\/darko-keric.from.hr\/?p=257"},"modified":"2016-04-04T20:23:16","modified_gmt":"2016-04-04T19:23:16","slug":"linux","status":"publish","type":"post","link":"http:\/\/darko-keric.from.hr\/?p=257","title":{"rendered":"LINUX"},"content":{"rendered":"
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Linux obvezni dio (17 bodova):<\/span>zahtjevam gui!!!!<\/span><\/div>\n
yum groupinstall basic-desktop desktop-platform x11 fonts<\/span><\/div>\n
google search How to add Gnome to a CentOS 6 minimal install<\/span><\/div>\n
mozda zgodno instalirati i ovo<\/span><\/div>\n
yum -y groupinstall \u201cGraphical Administration Tools\u201d<\/span><\/div>\n
yum -y groupinstall \u201cGeneral Purpose Desktop\u201d<\/span><\/div>\n
yum -y groupinstall \u201cOffice Suite and Productivity\u201d<\/span><\/div>\n
yum -y groupinstall \u201cGraphics Creation Tools\u201d<\/span><\/div>\n
Uglavnom, jbmurphy ima upute ima i ovdje jos svasta<\/span><\/div>\n
http:\/\/www.namhuy.net\/475\/how-to-install-gui-to-centos-minimal.html<\/a><\/span><\/div>\n
kad se zavr\u0161i naredba za pokretanje je\u00a0<\/span>startx<\/strong>, pokretanje \u0107e trajati 10ak sekundi plus upozorenje da nije ok<\/span>raditi kao root<\/span><\/div>\n
1.\u00a0<\/span>(5 bodova)<\/span>\u00a0Promijenite IP adresu na prvu ispravnu i slobodnu IP adresu koju ste dobili u VLAN-u 40, te\u00a0<\/span>DNS i GW postavke. Izmjene moraju biti trajne.<\/span>
\npromjeni datoteku \/etc\/sysconfig\/network-scripts\/ifcfg-eth0<\/span><\/div>\n
vim \/etc\/sysconfig\/network-scripts\/ifcfg-eth0<\/span><\/div>\n
DEVICE=eth0<\/span><\/div>\n
IPADDR=10.160.0.2<\/span><\/div>\n
NETMASK=255.255.255.0<\/span><\/div>\n
NETWORK=10.160.0.0<\/span><\/div>\n
GATEWAY=10.160.0.1<\/span><\/div>\n
BROADCAST=192.168.1.255<\/span><\/div>\n
DNS1=8.8.8.8<\/span><\/div>\n
ONBOOT=yes<\/span><\/div>\n
NAME=eth0<\/span><\/div>\n
onda da se prihvate promjene napravi ovo:<\/span><\/div>\n
service network restart<\/span><\/div>\n
chkconfig network on<\/span><\/div>\n
<\/div>\n
Prva ispravna i slobodna<\/span><\/div>\n
Dakle vlan 40 ima range 10.160.0.1 – 10.160.0.254 s tim da je 0.1 ZAUZET!!!!!<\/span><\/div>\n
Dakle va\u0161 lunix stroj mora imati 10.160.0.2 adresu<\/span>
\nhttp:\/\/lmgtfy.com\/?q=change+ip+address+centos+6.5<\/span><\/div>\n
prvi hit je detaljno sve sto vam treba, dns, gw<\/span><\/div>\n
ako vam je lak\u0161e pozovite iz konzole\u00a0<\/span>gedit \/etc\/resolv.conf<\/span>\u00a0umjesto\u00a0<\/span>vi \/etc\/resolv.conf<\/span><\/div>\n
<\/div>\n
2.\u00a0<\/span>(5 bodova)<\/span>\u00a0Na dodatnom disku \/dev\/sdb napravite jednu particiju, formatirajte sa ext4 i spojite pod<\/span>\/virtual mapu (ako je potrebno, stvorite mapu \/virtual). Omogu\u0107ite da se to doga\u0111a i nakon ponovnog<\/span>pokretanja ra\u010dunala.<\/span><\/div>\n
setings u virtulanoj ma\u0161ini > add hdd<\/span><\/div>\n
fdisk -l<\/span><\/div>\n
\/dev\/sdb<\/span>\u00a0\u00a0\u00a0<\/span>#moram imati taj disk<\/span><\/div>\n
cfdisk<\/span><\/div>\n
ili<\/span><\/div>\n
fdisk \/dev\/sdb \u00a0\u00a0\u00a0<\/span>#particioniranje hdd<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
\n
n – nova particija > p – primarna particija > 1 > enter > enter >p – izlist particije > w –<\/span>#zapisivanje informacija i izlazak<\/span><\/div>\n
reboot \u00a0\u00a0<\/span>#restartanje ma\u0161ine<\/span><\/div>\n
#formatiranje:<\/span><\/div>\n
mkfs.tab tipka \u00a0\u00a0<\/span>#izlist komandi<\/span><\/div>\n
mkfs.ext4 \/dev\/sdb1<\/span>
\n#kreiranje foldera<\/span><\/div>\n
mkdir \/virtual<\/span>
\n#trajno mountanje<\/span>
\nvi \/etc\/fstab<\/span><\/strong>
\n#na kraju dodajemo<\/span>
\n\/dev\/sdb1 \u00a0 \u00a0\/virtual \u00a0 \u00a0ext4 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0defaults \u00a0\u00a0\u00a0\u00a0\u00a01 2<\/span><\/div>\n
esc dvoto\u010dka wq! izlaz<\/span><\/div>\n
mount -a<\/strong> \u00a0<\/span>#da nam poslo\u017ei hard diskove<\/span><\/div>\n
df<\/strong> \u00a0<\/span>#da vidim jel mi vidi hard disk (dev\/sdb1)<\/span><\/p>\n

3.\u00a0<\/span>\u00a0(2 boda)<\/span>\u00a0Promijenite korisniku root lozinku na R@inb0w2!<\/span><\/div>\n

passwd root<\/span><\/div>\n
<\/div>\n
<\/div>\n
4.\u00a0<\/span>\u00a0(1 bod)<\/span>\u00a0Trenutno i trajno ugasite servise postfix i cups.<\/span><\/div>\n
service postfix stop<\/span><\/strong><\/div>\n
service cups stop<\/span><\/strong><\/div>\n
chkconfig postfix off<\/span><\/strong><\/div>\n
chkconfig cups off<\/span><\/strong><\/div>\n
5.\u00a0<\/span>(4 boda)<\/span>\u00a0Podesite prava pristupa u mapi \/home\/ivana tako da korisnica ivana bude vlasnica direktorija i<\/span>da u njega mo\u017ee i \u010ditati i pisati. Svim ostalim klasama korisnika zabranite pristup. Ako korisnica ivana ne<\/span>postoji na virtualnoj ma\u0161ini, stvorite ju (koriste\u0107i komandu<\/span>\u00a0adduser ivana).<\/span><\/div>\n
\u00a0<\/span>adduser \u2013m ivana<\/span><\/div>\n
ili<\/span><\/div>\n
mkdir \/home\/ivana<\/span>
\n#promijena vlasni\u0161ta na folderu<\/span>
\nchown ivana \/home\/ivana<\/span>
\n#ivana mora imati samo ona prava<\/span>
\nchmod 700 \/home\/ivana<\/span><\/div>\n
<\/div>\n
Linux opcionalni dio<\/strong> (17 bodova):<\/span>6.\u00a0<\/span>(2 boda)<\/span>\u00a0Napravite trajno brisanje konfiguracije<\/span>\u00a0iptables<\/span>\u00a0firewalla (ne trajno ga\u0161enje niti brisanje servisa,<\/span><\/div>\n
nego trajno brisanje konfiguracije uz trajno aktivni servis).<\/span><\/div>\n
cd \/etc\/sysconfig<\/span><\/div>\n
ls -al iptables<\/span><\/div>\n
vi iptables i maknem sve komande<\/span><\/div>\n
brisanje iptables<\/span>a<\/span><\/div>\n
rm iptables<\/span><\/div>\n
y<\/span><\/div>\n
7.\u00a0<\/span>(6 bodova)<\/span>\u00a0Omogu\u0107ite pokretanje apache web servera, servisa httpd (instalacijski cd spojite pod<\/span>\/media\/cdrom). Servis mora biti automatski startan nakon restarta virtualnog servera.<\/span><\/div>\n
\n
mount \/dev\/cdrom \/media\/cdrom \u2013t iso9660<\/span><\/div>\n
yum install httpd*<\/span><\/div>\n
\u00a0<\/span>chkconfig httpd on<\/span><\/div>\n
8.\u00a0<\/span>(2 boda)<\/span>\u00a0Podesite<\/span>\u00a0rsyslog<\/span>\u00a0servis da sve kernel poruke zapisuje u datoteku<\/span>\u00a0\/var\/log\/kernel.\u00a0<\/span>Koristite<\/span>postoje\u0107u konfiguraciju u konfiguracijskoj datoteci<\/span>\u00a0\/etc\/rsyslog.conf.<\/span><\/div>\n
vi \/etc\/rsyslog.conf<\/span><\/strong><\/div>\n
odkomentiramo ispred kern.* i dodamo \u00a0\u00a0\u00a0\u00a0\/var\/log\/kernel…..ili kak je zahtjevano<\/span><\/div>\n
service rsyslog restart<\/span><\/div>\n
ll \/var\/log\/kernel<\/span><\/div>\n
9.\u00a0<\/span>(2 boda)<\/span>\u00a0Za korisnika root kreirajte RSA SSH klju\u010deve sa praznim privatnim klju\u010dem.<\/span><\/div>\n
ssh-keygen \u2013t rsa<\/span><\/strong><\/div>\n
10.\u00a0<\/span>(5 bodova)<\/span>\u00a0Omogu\u0107ite udaljeni pristup SSH protokolom (za instalaciju servisa<\/span>\u00a0sshd<\/span>\u00a0je<\/span>potrebno CD ure\u0111aj spojiti na \/media\/cdrom).<\/span>\u00a0<\/span><\/div>\n
yum install openssh<\/span><\/strong><\/div>\n
service sshd start<\/span><\/strong><\/div>\n
chkconfig sshd on<\/strong> – trajno paljenje<\/span><\/div>\n<\/div>\n<\/div>\n
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____________<\/div>\n
– namjestite IP adresu na prvu ispravnu i slobodnu IP adresu koju ste dobili u VLAN 40 . DNS i GW\u00a0<\/span>postavke moraju biti trajne.<\/span>
\npromjeni datoteku \/etc\/sysconfig\/network-scripts\/ifcfg-eth0<\/span><\/div>\n
nano\u00a0<\/span>\/etc\/sysconfig\/network<\/span>–<\/span>scripts\/ifcfg-e<\/span>th0\u00a0<\/span><\/div>\n
DEVICE=eth0<\/span><\/div>\n
IPADDR=192.168.1.5<\/span><\/div>\n
NETMASK=255.255.255.0<\/span><\/div>\n
NETWORK=192.168.1.0<\/span><\/div>\n
GATEWAY=192.168.1.1<\/span><\/div>\n
BROADCAST=192.168.1.255<\/span><\/div>\n
DNS1=8.8.8.8<\/span><\/div>\n
ONBOOT=yes<\/span><\/div>\n
NAME=eth0<\/span><\/div>\n
onda da se prihvate promjene napravi ovo:<\/span>
\nservice network restart<\/span><\/div>\n
Kreirajte korisnika\u00a0<\/span>student<\/span>\u00a0<\/span>s lozinkom Arti32<\/span>1<\/span><\/div>\n
Kreirajte grupu korisnici<\/span>
\n2. \u00a0Kreirajte korisnika student i lozinkom Arfis.321<\/span><\/div>\n
adduser student<\/span><\/div>\n
passwd student<\/span>
\n3. dodaj grupu korisnici<\/span>
\ngroupadd korisnici<\/span><\/div>\n<\/div>\n
\n
Dodijeljeni disk formatirajte na ext2 i spojite pod \/mnt\/podaci mapu i omogu\u0107ite da se ne izgubi kod\u00a0<\/span>slijede\u0107eg pokretanja ra\u010dunala<\/span>
\nPostavite korisnika\u00a0<\/span>ra\u010dunala<\/span>\u00a0student i grupu korisnici kao vlasnika \/mnt\/podaci mape<\/span><\/div>\n
#pod uvjetom da ti postoje korisnik i grupa korisnici napravi\u0161 ovo<\/span><\/div>\n
chown student:korisnici \/mnt\/podaci<\/span><\/div>\n
<\/div>\n
NAPREDNI LINUX<\/span>
\n–<\/span>\u00a0<\/span>Promjenite root korisniku lozinku na Sifra123<\/span><\/div>\n
passwd<\/span>–<\/span>\u00a0<\/span>Dodajte korisnika student u grupu korisnici<\/span>
\nusermod\u00a0<\/span>-a –<\/span>G korisnici student<\/span>–<\/span>\u00a0<\/span>Omogu\u0107ite<\/span>\u00a0udaljeni pristup SSH protokolom (instalacijski cd spojite pod ….) Korisnik root<\/span>ne smije imati direktni pristup preko tog protola.<\/span>–<\/span>\u00a0<\/span>#ovo neznam kako isprobati jel neznam cemu se ima pristup<\/span>–<\/span>\u00a0<\/span>#ako je instaliran sshd ovako se pokrece<\/span>
\n–<\/span>\u00a0<\/span>service<\/span>\u00a0<\/span>sshd start<\/span>–<\/span>\u00a0<\/span>#ovo je samo ako zelis da se automatski pali poslje reboota<\/span>
\n–<\/span>\u00a0<\/span>chkconfig sshd on defaults<\/span>–<\/span>\u00a0<\/span>#da se zabrani rootu pristup treba se modificirati \/etc\/ssh\/sshd_config<\/span>
\n–<\/span>\u00a0<\/span>nano \/etc\/ssh\/sshd_config<\/span>–<\/span>\u00a0<\/span>#pronadi PermitRootLogin yes to ti ovako izgleda<\/span>–<\/span>\u00a0<\/span>#PermitRootLogin yes<\/span>–<\/span>\u00a0<\/span>#ovako treba izgledati (nesmije imati # ispred jel to znaci komentar)<\/span>
\nPermitRootLogin no<\/span>–<\/span>\u00a0<\/span>Omogu\u0107ite automatsko pokretanje postfix deamona na svim ra\u010dunalima<\/span>
\nchkconfig postfix on defaults<\/span>–<\/span>\u00a0<\/span>Omogu\u0107ite pristup aplikaciji putty i MS<\/span>-CLI2\u00a0<\/span>ra\u010dunala prema Linux poslu\u017eiteljima.<\/span>
\n#ovo neznam sto znaci mozda se misli da maknes firewall ako je podignut ?<\/span>#micanje firewalla<\/span>iptrables\u00a0<\/span>-F<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
<\/div>\n","protected":false},"excerpt":{"rendered":"

Linux obvezni dio (17 bodova):zahtjevam gui!!!! yum groupinstall basic-desktop desktop-platform x11 fonts google search How to add Gnome to a CentOS 6 minimal install mozda zgodno instalirati i ovo yum -y groupinstall \u201cGraphical Administration Tools\u201d yum -y groupinstall \u201cGeneral Purpose … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":348,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0},"categories":[6],"tags":[],"yoast_head":"\n\n\n\n\n\n\n\n\n\n\n\n\t\n\t\n\t\n