Quotas settings

Christofer Karatzinis chka at net-cs.ucd.ie
Wed Mar 4 16:50:05 EET 1998


>
> 1) Dinontas px "edquota ankan" anoigei o editor ena tmp file pou
> arhizei  ws: "Quotas for user ankan: "
>      Pws akrivws syntasontai oi periorismoi ?
>

eh... den 0ymame.. Exei xronia na ta doulepsw. Nomizw omws oti an deis to
paketo me ta quotas, ekei mesa exei help gia to pws ginete.

>
> 2) Meta ti to kanw ayto to /tmp/something ? To swzw ws kati allo ?
>

H geniki idea einai i eksis: Exeis quotas ksexorista gia groups kai gia
users. Mporei esy na 0eleis mono gia groups (/etc/group) mono gia users
(/etc/passwd) H' kai gia ta 2. To quotacheck (to arxiko) kanei 1 H' 2
arxeia sto root tou filesystem me onomata pou esy dineis (H' ta onomazei
san userquota H' groupquota). Otan tou dineis edquota, 0eteis hard kai
soft limits. Soft limit einai pote 0a arxisei na "brizei" ton user. Hard
einai pote 0a tou skisei ta arxeia kai den 0a tou afinei na pros0etei alla
arxeia. Kai nomizw oti exeis quotas sto synoliko xwro kai ston ari0mo twn
arxeiwn (px):
Disk quotas for user chka (uid 144):
     Filesystem  blocks   quota   limit   grace   files   quota   limit grace
dallas:/u/dallas   0       0       0               0       0       0

Egw, auti tin stigmi den exw ka0olou quotas. Opou exei 0 simenei oti den
exeis orio. To noumero blocks to 0etei o ypologistis. Kai einai poso einai
to orio mou (opws kai to files). To grace einai se poso xrono 0a me
skisei kai 0a me katebasei katw apo ta quotas. Ta quota einai to soft
limit kai to limit einai to hard limit. (auta sou ta lew me ka0e
epifylaksi. Teleutaia fora pou "epaiksa" me quotas itan prin 4-5 xronia).
KAI BEBAIWS, MHN TOLMISEIS NA SWSEIS TO ARXEIO ME ALLO ONOMA :))) Auto to
onoma pou sou dinei o vi, einai ena "tyxaio" onoma pou to ftiaxnei me tin
mktemp(3) kai to kserei kai o vi alla kai to edquota.

>
> 3) Ektos apo disk space ginetai na te8oun kai periorismoi se porous
> systhmatos px se %CPU time h % mnhmhs ?
> 

Gia grapse ton /bin/tcsh H' ston /bin/csh sou: limit kai des an sou kanei
:) Sigoura 0a exei kai o /bin/bash kati antistoixo alla epeidi den ton
syni0izw den to kserw.

Christofer

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