Koj tuaj yeem nrhiav tau ntev npaum li cas lub kaw lus tau ua haujlwm?
Uptime yog ib qho lus txib uas xa rov qab cov ntaub ntawv hais txog ntev npaum li cas koj lub kaw lus tau ua haujlwm ua ke nrog lub sijhawm tam sim no, tus naj npawb ntawm cov neeg siv nrog kev sib tw khiav, thiab lub kaw lus nruab nrab rau yav dhau los 1, 5, thiab 15 feeb. Nws tseem tuaj yeem lim cov ntaub ntawv tso tawm ib zaug nyob ntawm koj qhov kev xaiv.
Koj tuaj yeem tshawb xyuas ntev npaum li cas tus txheej txheem tau khiav Linux?
Yog tias koj xav paub seb qhov txheej txheem tau ua haujlwm ntev npaum li cas hauv Linux vim qee yam. Peb tuaj yeem yooj yim kos nrog kev pab ntawm "ps" hais kom ua. Nws qhia tau hais tias, cov txheej txheem muab sijhawm ua haujlwm nyob rau hauv daim ntawv ntawm [[DD-]hh:]mm:ss, hauv vib nas this, thiab caij nyoog pib hnub thiab sijhawm. Muaj ntau ntau txoj kev xaiv muaj nyob rau hauv ps hais kom ua los xyuas qhov no.
Qhov system uptime yog dab tsi?
Uptime yog ib qho metric uas sawv cev rau qhov feem pua ntawm lub sijhawm uas kho vajtse, IT system lossis cov cuab yeej ua haujlwm tau zoo. Nws hais txog thaum lub kaw lus ua haujlwm, piv rau lub sijhawm poob, uas yog hais txog thaum lub kaw lus tsis ua haujlwm.
Koj yuav kuaj xyuas leej twg pib txheej txheem hauv Linux?
Cov txheej txheem los saib cov txheej txheem tsim los ntawm cov neeg siv tshwj xeeb hauv Linux yog raws li hauv qab no:
- Qhib lub qhov rais davhlau ya nyob twg los yog app.
- Txhawm rau pom tsuas yog cov txheej txheem uas muaj los ntawm ib tus neeg siv tshwj xeeb ntawm Linux khiav: ps -u {USERNAME}
- Nrhiav rau Linux txheej txheem los ntawm lub npe khiav: pgrep -u {USERNAME} {processName}
Kuv yuav kuaj xyuas li cas yog JVM khiav ntawm Linux?
koj ua tau khiav cov lus txib jps (los ntawm cov ntawv tais ceev tseg ntawm JDK yog tias nws tsis nyob hauv koj txoj kev) kom paub seb cov txheej txheem java (JVMs) ua haujlwm li cas ntawm koj lub tshuab. Nyob ntawm JVM thiab haiv neeg libs. Koj tuaj yeem pom JVM xov xwm tshwm sim nrog PIDs sib txawv hauv ps .
Koj yuav ua li cas xyuas seb cov txheej txheem khiav hauv Linux siv java li cas?
Yog tias koj xav tshawb xyuas cov haujlwm ntawm java daim ntawv thov, khiav 'ps' hais kom ua nrog '-ef' kev xaiv, uas yuav qhia koj tsis yog tsuas yog cov lus txib, lub sijhawm thiab PID ntawm tag nrho cov txheej txheem khiav, tab sis kuj muaj cov npe tag nrho, uas muaj cov ntaub ntawv tsim nyog txog cov ntaub ntawv uas raug tua thiab cov kev pabcuam tsis raug.
Vim li cas lub sijhawm ua haujlwm tseem ceeb?
Tus nqi thiab qhov tshwm sim ntawm kev poob qis yog vim li cas vim li cas uptime tseem ceeb heev. Txawm tias lub sijhawm me me ntawm kev poob qis tuaj yeem ua rau muaj kev puas tsuaj rau cov lag luam hauv ntau txoj hauv kev.
Lub sijhawm ua haujlwm ntau npaum li cas?
"Tshwj tsis yog tias koj muaj cov neeg siv ntau heev, lub sijhawm ua haujlwm tsis muaj teeb meem ntau npaum li lwm yam, xws li kev tsim kho tshiab." Cov kws tshaj lij feem ntau pom zoo li ntawd 99% uptime - los yog tag nrho 3.65 hnub ntawm qhov hluav taws xob hauv ib xyoos - yog qhov tsis zoo.
Qhov system uptime thiab downtime yog dab tsi?
Uptime yog lub sij hawm ntawm lub sij hawm uas ib tug system tau ua hauj lwm thiab muaj nyob rau hauv ib tug txhim khu kev qha kev khiav hauj lwm yam. … Lub sijhawm poob yog lub sijhawm uas lub kaw lus tsis muaj vim tias nws tau raug kev puas tsuaj uas tsis tau npaj tseg lossis raug kaw raws li kev npaj kho. System uptime thiab downtime yog inverse ntawm ib leeg.