Dab tsi yog daemon log hauv Linux?

Lub daemon cav yog ib qho kev pab cuam uas khiav hauv keeb kwm yav dhau thiab yog qhov tseem ceeb rau kev ua haujlwm ntawm lub cev. Cov cav no muaj lawv tus kheej qeb ntawm cov cav thiab pom tias yog lub hauv paus ntawm kev txiav txim siab ua haujlwm rau txhua qhov system. Txoj kev rau lub system nkag mus daemon qhov teeb tsa yog /etc/syslog.

Dab tsi yog log daemon?

Daemon Cav

Ib daemon yog ib qho kev pab cuam uas khiav hauv keeb kwm yav dhau, feem ntau tsis muaj kev cuam tshuam tib neeg, ua qee qhov haujlwm tseem ceeb rau kev khiav haujlwm ntawm koj lub cev. Daemon log ntawm /var/log/daemon.

Kuv puas tuaj yeem rho tawm daemon log?

koj tuaj yeem tshem tawm cov cav tab sis nyob ntawm cov software uas koj tab tom khiav - yog tias qee qhov nws xav tau qee qhov ntawm cov cav lossis siv lawv li cas - yog tias koj rho tawm lawv nws yuav tsis ua haujlwm raws li qhov xav tau.

Vim li cas peb thiaj li xav tau kev nkag daemon?

Ib Daemon yog ib qho kev pab cuam khiav hauv keeb kwm yav dhau ntawm koj lub operating system, kom ntseeg tau tias kev ua haujlwm zoo ntawm koj OS. Lub Daemon Log khiav hauv /var/log/daemon. log thiab qhia cov ntaub ntawv hais txog lub kaw lus khiav thiab daim ntawv thov daemons. Daim ntawv thov no tso cai rau koj los txheeb xyuas thiab daws teeb meem.

Yuav ua li cas kuv thiaj li tau txais daemon cav?

Docker daemon cav tuaj yeem pom los ntawm kev siv ib qho ntawm cov hauv qab no:

  1. Los ntawm kev khiav journalctl -u docker. kev pabcuam ntawm Linux systems siv systemctl.
  2. /var/log/messages , /var/log/daemon. log , los yog /var/log/docker. nkag mus rau cov laus Linux systems.

Kuv yuav saib cov ntaub ntawv teev npe li cas?

Siv cov lus txib hauv qab no kom pom cov ntaub ntawv teev tseg: Linux cav tuaj yeem saib nrog lub command cd/var/log, tom qab ntawd los ntawm kev ntaus cov lus txib ls kom pom cov ntawv teev cia hauv qab no. Ib lub cav tseem ceeb tshaj plaws los saib yog syslog, uas teev txhua yam tab sis cov lus hais txog kev lees paub.

Yuav ua li cas yog tias kuv rho tawm var cav?

Yog tias koj rho tawm txhua yam hauv /var/log, koj feem ntau yuav xaus nrog tons ntawm cov lus yuam kev nyob rau hauv lub sij hawm tsawg heev, txij li thaum muaj folders nyob rau hauv uas yuav tsum muaj (xws li exim4, apache2, apt, khob, mysql, samba thiab ntau dua).

Nws puas muaj kev nyab xeeb los rho tawm var log syslog?

Muaj kev nyab xeeb tshem cov cav: tom qab saib (lossis thaub qab) cov cav kom txheeb xyuas koj qhov teeb meem, tshem lawv los ntawm typing > /var/log/syslog (nrog rau cov > ). Tej zaum koj yuav tsum yog tus neeg siv hauv paus rau qhov no, qhov twg nkag mus rau sudo su, koj tus password, thiab tom qab ntawd cov lus txib saum toj no).

Yuav ua li cas kuv khoob ib daim ntawv teev npe?

Yuav ua li cas ntxuav cov ntaub ntawv log hauv Linux

  1. Txheeb xyuas qhov chaw disk los ntawm kab hais kom ua. Siv cov lus txib du kom pom cov ntaub ntawv thiab cov npe twg siv qhov chaw tshaj plaws hauv /var/log directory. …
  2. Xaiv cov ntaub ntawv lossis cov npe uas koj xav kom tshem tawm:…
  3. Empty cov ntaub ntawv.

Rsyslog siv rau dab tsi?

Rsyslog yog qhov chaw qhib software siv siv rau ntawm UNIX thiab Unix zoo li lub khoos phis tawj rau kev xa cov ntawv teev lus hauv IP network.

Dab tsi yog systemd miv?

Kev piav qhia. systemd-cat tej zaum yuav siv los txuas tus txheej txheem tawm tswv yim thiab tawm ntawm cov txheej txheem mus rau phau ntawv xov xwm, los yog raws li cov cuab yeej lim hauv lub plhaub raj xa dej kom dhau qhov tso zis cov kav dej yav dhau los tsim rau hauv phau ntawv xov xwm.

Journald nyob qhov twg?

Lub ntsiab configuration file rau systemd-journald yog /etc/systemd/journald. conf.

Zoo li cov ncej no? Thov qhia rau koj cov phooj ywg:
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