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bon0
fefo0
perlicka - mam vybrat nejakych sys adminkov pre bezne veci (apache, mysql, nejaka sietarina) v mensej firme.
narychlo som zbuchal test (nizsie) ktory som povazoval za celkom laskavy,
ziadna brutalita, len jednoduchy zakladny prehlad. zatial nim presiel len 1 clovek,
zvysok kandidatov mal strasne vysledky. zaujimalo by ma co si o nom myslite vy.

1) give an example of at least two opensource MTA systems

2) give an example of at least two opensource antispam systems which could be integrated into MTAs

3) list and briefly describe basic subversion or cvs commands for:
- adding content
- removing content
- making the changes permanent
- synchronization with local working copy
- checking the status of local working copy

4) in which configuration file would you be looking for users allowed to use the sudo command?

5) how would you create software raid array under linux systems? how would you add disks into it and how would you check the array for the current status?

6) what is the typical destination for dhcp traffic log in common linux systems?

7) describe the dhcp messages. specify the correct order of common dhcp communication.

8) briefly describe the expression "ethernet bounding"

9) assign port numbers which are usually used for following server side services: ftp, ssh, smtp, pop3, imap, http, https

10) how would you repair a linux system once it gets broken?

11) what is the major difference between GPL and BSD licence?

12) briefly explain following types of attacks and give example of prevention method for each of them:
- syn flood
- DoS
- man in the middle
- phishing

13) briefly describe the major differences between DES, 3DES and RSA

14) briefly describe the purpose of following apache directives:
- KeepAlive
- AllowOverride
- ServerRoot
- DocummentRoot
- CharsetDefault
- HostnameLookpus

15) what is the purpose of mod_rewrite in apache server?

16) what are the major differences between following distributions:
- freebsd
- gentoo
- debian
- knoppix

17) explain the purpose of DNAT and PAT

18) how would you check for open ports on your system

19) briefly describe "SUID" and "SGID" expressions

20) give example of an intrusion detection system

21) what permissions will be assigned to a file after issuing a command "chmod 655"?




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x00r
 x00r      20.02.2009 - 01:39:13 , level: 1, UP   NEW
IMHO zbytocne detailne. Ja spravujem nejakych par masin a vela prikazov neviem z hlavy na papier napisat.

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techko
 techko      30.03.2009 - 20:53:47 , level: 2, UP   NEW
asi tak..."milujem" testy na vstupnych pohovoroch..ako keby som nastupil do strojacasu a vystupil na strednej ..spoteny-stresovany s myslienkou ,ze ked toto poseriem tak zopakujem rocnik alebo nieco podobne:)

este stastie ,ze ked ma clovek par rokov praxe ,tak uz s takymi hlupostami neotravuju

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atticus
 atticus      02.02.2008 - 02:17:33 , level: 1, UP   NEW
ta 7) sa mi zda, ze znacne vybocuje z radu :) ostatne su take vseobecnejsie

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next
 next      29.01.2008 - 13:11:28 [3K] , level: 1, UP   NEW
napr. 3) z hlavy neviem. na to mam manual. iba "cvs co" a "svn up" ti poviem z hlavy.
A vobec. cvs/svn pri adminovani pouzivam vcelku zriedka. A to toho adminujem vcelku dost.

4) - zalezi od systemu - /usr/local/etc/sudoers, /opt/sfw/etc/sudoers, /opt/csw/etc/sudoers by si mozno necakal a su to spravne odpovede :).

6) to sa riesi "cd /var/log ; grep -il dhcp *" :). uz len preto, ze v kazdom distre je to inak.

8) "bonding", bez u

10) nahradit ho solarisom :)

11) zaujimava otazka. vediet to z teba nespravi lepsieho admina. na druhej strane, treba vediet, aky SW clovek pouziva a za akych podmienok ho smei pouzivat

15) to allow webmasters and product managers, who can't think and plan in forward, annoy the crap out of the admin by requesting a gazillion of rewrite rules to redirect traffic from a number of similar sounding domains do one "main" domain:)

16) to freebsd je chytak?


V globale to vyzera dobre, niektore otazky mi pripadaju moc detailne. A vyzera to na test pre cloveka, ktory bude robit vsetko. OS level, webserver level, security, sietovanie, vsetko. Ak to tak ma byt.

Z praxe len dodam, ze DHCP som nikdy nemusel debugovat natolko, aby som z hlavy daval protokol :). To su dohladatelne veci, ked clovek rozumie tomu, co DHCP je a ako zhruba funguje.

Hlavne si treba ujasnit, ci chce *nix test, alebo Linux test a podla toho spravit otazky.

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TomX
 TomX      29.01.2008 - 15:56:59 (modif: 29.01.2008 - 15:58:46), level: 2, UP   NEW !!CONTENT CHANGED!!
3) ta fy ma mrte veci zalozenych na svn takze cvs/svn je dolezite vediet. mna zaujimalo ci to dany clovek aspon raz pouzil a staci mu teda napovedat, napovedy su v otazkach viz - adding content = svn add :) etc.. commit, delete, sync, status..
adminovat svn/cvs nie je zas taka sranda a uz som si napr s corrupted repositories uzil svoje, takze aspon minimalne znalosti su pre zaciatok nutne.

4) pytal som sa na konfigurak, ten sa vola sudoers. ak by dal akukolvek distro specific lokaciu - beriem ako spravnu odpoved. zobral by som aj len "sudoers". toto plati pre vsetky otazky. napr chalaniska mi casto pisali na vylistovanie otvorenych portov (c18) odpovede od nmapu az po netstat, zobral som. imho v *nix svete, resp vseob it je jeden zo zakladnych prepokladov jednoducho si najst cestu. je mi jedno ako sa ten clovek dostane k vysledku, kludne si na to moze natukat skript v pythone, mf :)

6) viz 4.

10) tak to uz je skor provokacia ako socialny bonus ;)

15) ;))) ano aj to je spravna odpoved

16) len zachranna otazka

co sa scope of work tyka - je to mala firma, nemoze mat x ludi na par servrov, tj ano - bude robit vsetko od web server level cez security az po sietovanie.

kazdopadne cenim si ze si si ten test presiel & okomentoval.
takyto test som pripravoval prvy krat a pravdupovediac nie som s nim moc spokojny,
takze kazdy triezvy nazor nan je pre mna prinosny ;)

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next
 next      29.01.2008 - 17:12:55 , level: 3, UP   NEW
Tak potom je vcelku dobry. Ked to bude one-man show ohladom vsetkeho a ozaj pouzivaju to SVN/CVS, tak vyzera byt OK.

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WooDy
 WooDy      29.01.2008 - 14:28:23 , level: 2, UP   NEW
15) to allow webmasters and product managers, who can't think and plan in forward, annoy the crap out of the admin by requesting a gazillion of rewrite rules to redirect traffic from a number of similar sounding domains do one "main" domain:)

ROFLMAO!
chudak eurik vie o com hovori :P

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juraj
 juraj      29.01.2008 - 14:54:22 , level: 3, UP   NEW
tak tak :)

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beejbi
 beejbi      28.01.2008 - 20:39:53 , level: 1, UP   NEW
nahod pls aj nejake odpovede na tu # 10 :) aspon tie najhorsie :)

a ja mozem potvrdit, ze to bola barbs :) si na to pamatam ako keby to bolo vcera! :)

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TomX
 TomX      28.01.2008 - 20:52:58 (modif: 28.01.2008 - 20:54:46), level: 2, UP   NEW !!CONTENT CHANGED!!
:) tazko povedat ktore boli najhorsie kedze vsetci to zobrali uplne vazne..

viz:
-) If it does boot the first it can't aid to know what it happend is to hava a look at /var/log/sysglog (on debian based) or /var/log/messages (en redhat based)

-) Si es el sistema de ficheros, restableciéndolo a traves de una copia

-) Amb un LiveCd amb eines de rescat, depenent del problema : recuperar discs durs, editar arxius de config, LILO, reset passwords, backup d'una base de dades, etc.
Hi ha liveCd especialitzats en cada cosa.

-) using rescue or live distros, backups, internet, packages... It depends how broken is it.

etc etc etc

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duBeN
 duBeN      28.01.2008 - 18:42:44 , level: 1, UP   NEW
v pohode, len som nevedel co je MTA (hanbim sa ale s tou skratkou sa nestretavam pravidelne :)
inac si myslim normalne otazky, clovek co robi s linuxom by mal vediet

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TomX
 TomX      28.01.2008 - 21:00:07 , level: 2, UP   NEW
jj chapem, rozmyslal som ci budem pouzivat skratky alebo nie ale nakoniec som si povedal ze to tiez patri k rozhladu, takze su tam.

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w
 w      28.01.2008 - 18:27:38 , level: 1, UP   NEW
10.) je otazka na sloh?

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TomX
 TomX      28.01.2008 - 19:57:54 , level: 2, UP   NEW
10.) je otazka ktoru mi posunula klara na odtestovanie social skills. je to viacmenej joke & ocakaval som bud podobne stupidnu odpoved alebo cokolvek co by ukazalo ze kandidat nie je len zhmotnena chladna it logika ;) zatial na nej uplne vsetci pohoreli

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klr kdd
 klr kdd      28.01.2008 - 20:12:44 , level: 3, UP   NEW
cudzie perie, nebola som to ja ale barbs ;)

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kyborka
 kyborka      28.01.2008 - 20:27:22 , level: 4, UP   NEW
typické: chce testovať social skills, ale nepočúva
1) čo sa mu hovorí, a najnovšie už aj
2) KTO mu to hovorí (?!)

průser imho;]


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TomX
 TomX      28.01.2008 - 20:32:58 [2K] , level: 5, UP   NEW

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Ales
 Ales      28.01.2008 - 20:36:53 , level: 6, UP   NEW
:))) sikanaaaaa

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klr kdd
 klr kdd      28.01.2008 - 20:35:20 (modif: 28.01.2008 - 20:36:30), level: 6, UP   NEW !!CONTENT CHANGED!!
kokos dnes robim len problemy :)))

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Ales
 Ales      28.01.2008 - 19:59:41 , level: 3, UP   NEW
:)))) strasne se tu v kanclu smeju :)))

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TomX
 TomX      28.01.2008 - 20:04:36 , level: 4, UP   NEW
ty vies kedy a ako sa to stalo ;]

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Ales
 Ales      28.01.2008 - 20:22:55 , level: 5, UP   NEW
no jasne,
ale tim kdo to rikal si jisty nejsem

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kyborka
 kyborka      28.01.2008 - 20:28:40 , level: 6, UP   NEW
méně cukru, hoši...

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Ales
 Ales      28.01.2008 - 20:41:01 , level: 7, UP   NEW
..ale hus uz! :)

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klr kdd
 klr kdd      28.01.2008 - 20:55:52 , level: 8, UP   NEW
harpyje s.r.o.