Skriptimine 2017: Difference between revisions
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|http://www.skrenta.com/rt/man/chgrp.1.html | |http://www.skrenta.com/rt/man/chgrp.1.html | ||
|chgrp root /tmp/skript/myscript.sh | |chgrp root /tmp/skript/myscript.sh | ||
|- | |||
|whoami | |||
|print effective userID | |||
|http://www.skrenta.com/rt/man/whoami.1.html | |||
|whoami | |||
|- | |||
|pwd | |||
|print name of current/working directory | |||
|http://www.skrenta.com/rt/man/pwd.1.html | |||
|pwd | |||
|} | |} | ||
Revision as of 09:18, 6 February 2017
Hindamiskriteeriumid
Arvestuse saamiseks peab tudeng esitama järgmised tööd:
2 kodutööd 3+3 hinnangut teiste kodutöödele Kaitstud praktikumide tööd 2 kontrolltööd
Labori keskkond
https://elab.itcollege.ee/users/sign_in
Labs -> Skriptimine 2017 Kasutaja: student Parool: student
Praktikumide ülesanded
Ülesanne 1
Looge skript, mis jagaks etteantud grupile uue kausta
[sudo] ./jaga.sh KAUST GRUPP <JAGATUD KAUST>
Skript teeb järgnevat:
- paigaldab samba (kui vaja)
- loob kausta KAUST (kui vaja)
- loob grupi GRUPP (kui vaja)
- lisab grupile sobivad read smb.conf faili ja teeb failiserveri teenusele reload'i
- abimaterjal: Failiserveri labor v.2
Mõistlik on konfiguratsioonist eelnevalt koopia teha ja muudatused koopiasse sisse viia. Koopiat testitakse testparm korraldusega ja kopeeritakse alles seejäral fail üle.
Ülesanne 2
Linuxi käsud
Käsk | Funktsioon | Man link | Näidis |
---|---|---|---|
cd | Change Directory | http://www.skrenta.com/rt/man/cd.1.html | cd /var/log |
ls | list directory contents | http://www.skrenta.com/rt/man/ls.1.html | ls -lah /var/log |
ps | report process status | http://www.skrenta.com/rt/man/ps.1.html | ps -ef |
grep | print lines matching a pattern | http://www.skrenta.com/rt/man/grep.1.html | grep -R 'error' /var/log/* |
tail | output the last parts of file | http://www.skrenta.com/rt/man/tail.1.html | tail -f /var/log/syslog |
cat | concatenate files and print on the standard output | http://www.skrenta.com/rt/man/cat.1.html | cat /var/log/syslog |
man | format and display the on-line manual pages | http://www.skrenta.com/rt/man/man.1.html | man man |
su | run a shell with substitute user and group IDs | http://www.skrenta.com/rt/man/su.1.html | su - root |
cp | copy files and directories | http://www.skrenta.com/rt/man/cp.1.html | cp /var/log/syslog /tmp/tmp_syslog |
mv | move (rename) files/directories | http://www.skrenta.com/rt/man/mv.1.html | mv /var/log/syslog.5 /arhiiv |
rm | remove files or directories | http://www.skrenta.com/rt/man/rm.1.html | rm /tmp/tmp_syslog |
sed | Stream editor | http://www.skrenta.com/rt/man/sed.1.html | sed -ie 's/mida/millega/g' /tmp/tmp_syslog |
mkdir | make directories | http://www.skrenta.com/rt/man/mkdir.1.html | mkdir /tmp/skript |
chmod | change file access premissions | http://www.skrenta.com/rt/man/chmod.1.html | chmod 700 /tmp/skript/myscript.sh |
chown | change file owner or group | http://www.skrenta.com/rt/man/chown.1.html | chown student:student /tmp/skript/myscript.sh |
chgrp | Change group ownership | http://www.skrenta.com/rt/man/chgrp.1.html | chgrp root /tmp/skript/myscript.sh |
whoami | print effective userID | http://www.skrenta.com/rt/man/whoami.1.html | whoami |
pwd | print name of current/working directory | http://www.skrenta.com/rt/man/pwd.1.html | pwd |
Bash-i info
If lause moodustamine
if [ Funktsioon ] then tee midagi fi http://tldp.org/LDP/Bash-Beginners-Guide/html/sect_07_01.html
Exit koodid
Viimase käivitatud käsu exit koodi leiate muutujast $? Juhul kui käsk õnnestus on exitkood 0 Juhul kui käsu käivitamisel tekkis tõrke on exit kood 0'ist erinev