Mastering lub Linux "sysctl" hais kom ua

Configure ntsiav Parameters ntawm Runtime

Lub Linux sysctl hais kom ua configures ntsiav tsis nyob runtime. Qhov tsis muaj yog cov teev tseg hauv / proc / sys /. Cov ntaub ntawv yuav tsum muaj rau sysctl (8) kev txhawb nqa hauv Linux. Siv sysctl (8) rau ob leeg nyeem thiab sau sysctl cov ntaub ntawv.

Synopsis

sysctl [-n] [-e] kuj sib txawv thiab ...
sysctl [-n] [-e] -w variable = value ...
sysctl [-n] [-e] -p (default /etc/sysctl.conf)
sysctl [-n] [-e] -a
sysctl [-n] [-e] -A

Cov lus qhia

kuj sib txawv thiab

Lub npe ntawm tus yuam sij los nyeem. Ib qho piv txwv yog ntsiav .ostype . Lub luaj separator kuj tau txais qhov chaw ntawm lub sij hawm muab qhov tseem ceeb / tus nqi khub-piv txwv li, ntsiav / ostype.

kuj tsis paub meej = tus nqi

Los tsim ib qho tseem ceeb, siv qhov sib txawv ntawm daim ntawv = tus nqi , qhov txawv txav yog qhov tseem ceeb thiab tus nqi yog qhov nqi nws teeb tsa. Yog tias tus nqi muaj quotes los yog cov cim uas muaj parsed los ntawm lub plhaub, koj yuav tsum tau muab cov nqi hauv ob nqe lus. Qhov no yuav tsum tau siv lub -w ntsuas kom siv.

-n

Siv qhov kev xaiv no kom tsis txhob luam tawm ntawm lub npe tseem ceeb thaum luam qhov tseem ceeb.

-e li

Siv qhov kev xaiv no kom tsis thwj yuam kev txog cov yuam sij tsis paub meej.

-w

Siv qhov kev xaiv no thaum koj xav hloov lub chaw sysctl.

-p

Load sysctl nqis ntawm cov ntaub ntawv teev los yog /etc/sysctl.conf yog tias tsis tau txais.

-a

Tso tag nrho cov khoom muaj nqis tam sim no.

-A

Muab tag nrho qhov muaj nuj nqis tam sim no muaj nyob rau hauv daim ntawv.

Piv txwv kev siv

/ sbin / sysctl -a

/ sbin / sysctl -n kernel.hostname

/ sbin / sysctl -w kernel.domainname = "piv.com"

/ sbin / sysctl -p /etc/sysctl.conf

Kev pab tshwj xeeb yuav txawv ntawm Linux faib. Siv tus txiv neej hais kom ua ( % tus txiv neej ) seb qhov kev hais kom raug siv hauv koj lub computer.