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Linux ?? ?? ? ?? ??? ??

CPU ??? ?????? ?? ???? ? ?? ?? ??, ??? ?? ? ??? ??? ?????. 2. ??? ???? ??? ???, ??? ??????, ?? ???? ???? ????? ???????. 3. ??? I/O ???? ??? ????, ?? ???, ??? ?? ? RAID/LVM ??? ???? ?? ?????. 4. ???? ??? TCP ?? ??? ???? ???? ?? ? ??? ???? ??? ????????. 5. ??? ?? ???? Chrony Synchronization Time ? Kernel ?? ??? ???? Perf ? SAR? ?? ??? ???? ?? ?? ??? ????? ???? ??? ??? ?? ??? ???? ????? ???? ??? ????? ???? ??? ????? ???? ?? ????.

Jul 31, 2025 am 03:15 AM

Linux ?? ????? CGroups ? ??????

?? ???? ??????? (NamespacesprovideisolationBygivideisolationBygivideSeSeparateViewsofsystemResources, whilecgroupsControlresourceUsagesUsagesUsusageSugesucsususagesUCSASCPU, memory, andi/o.1.pid)

Jul 31, 2025 am 02:40 AM

Linux?? ??? ?? ??? ?? 'grep'? ???? ??

Grep? Linux?? ??? ??? ???? ?? ????, ?? ??? ?? ???? ??? ?? ? ????. ?? ??? grep [??] ?? [?? ...]???. ?? ??, grep "error"/var/log/syslog? "error"? ???? ?? ?? ? ???, ?? ????? CASE? ?????. Grep -I "error"/var/log/syslog? ?? -i ??? ???? ??? ??? ? ????. ?? ???? ?????.

Jul 31, 2025 am 02:07 AM

Linux? ???? NAS (???? ?? ????) ??

ChooseCompativeHardwarelikealow-powercpu, 4–8gbram, nas-ratedhdds, andgigabitethernet.2.installasuitablelinuxdistributionsuchasopenmediavaultorubuntuserforeaseofuseandsport.3.3.configurestorageiting1/5/6 ORZFSFSONTUNGANTUNGINGINGITINGE

Jul 31, 2025 am 01:45 AM

linux nas

Linux ???? Apache? ???? ??

?? ??? ?? ?? ???? Apache? ????????. 2. ?? ??? ??? ?? ???? ?? ?? (? : ??, Autoindex)? ???????. 3. ?? ??? ???? ?? Apache ?? ? ?? ?? ??? ?????. 4. ??? HTTPS ? ??? TLS ??? ??; 5. ???? ??? ?????? ?? ??? ??? ?????. 6. ??? ?? ??? ? ??? ?????? (? : www-data, 644/755); 7. MOD_SECURIT ? MOD_EVASIVE? ????? ? ?? ? DDO? ?????. 8. ????? ?? ? ????? ????? ????? ??? ??????. ??? ??? Apache ??? ?? ????? ???? ?? ??? ?? ? ? ????.

Jul 31, 2025 am 01:19 AM

Kubernetes (K8S)? ???? ?? ??? ??????

kubernetessolvesthechallengsofmanagingContainerizedApplicationScaleAutomatingDeployment, Scaling ? Operations.1) iteliminatesManualContainerManagementBellingFailures, Scaling, and WorkloadDiputribution.2) ItensuresConsentApplicatio

Jul 31, 2025 am 01:19 AM

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Linux ??? ?? ? ??? ??

LinuxefficiallySmemoryByCachingFiles ? Buffers, sohigh "MemoryIsnormalif"?? ??? "MemoryIsSollity.2.swaphelpspreventCrashesOnlow-ramsystemsOringspikesbutshouldBelimitedonSystemswithamplerAmorsSDStoaVoidPerformancedGeg

Jul 31, 2025 am 12:11 AM

'modProbe'? Linux?? ?? ??? ???? ??

ModProbe? Linux? ?? ?????. ?? ????, ?? ? ????? ?? ?????. ?? ???? ???? ?? ? ? ????. 1. ?? SudomodProbemoDule_name ??? ???? ?????????. ?? ??, SudomodProbenfs? ???? NFS ? SUNRPC? ?? ?????????. 2. SudomodProbe-rmodule_name? ???? ??? ??????. ?? ??, SudomodProbe-RNFS? ??? ???? ?? ?? NFS ? ???? ?? ?? ??? ?????. 3. LSMOD | GrepModule_Name? ?? ??? ?????????? ???? ModInfomodulu? ??????.

Jul 30, 2025 am 02:53 AM

linux 內(nèi)核模塊

Linux ?? ???? ??? ?? ?? ???

Linux ???? ??? ???? ?? ????? netif_rx ()/napi? ?? SoftNet_Data ?? ?????. 2.NET_RX_ACTION ()? EBPF ???? ???? IP_RCV ()? ?? ???? ??? ???? ?????. 3. IP ?? ?? ? ??? ?? ? ??? ?? ???? ?????. 4. TCP/UDP? ?? ???? ?? ?? ????? ???? RMEM_MAX? UDP ?? ??? ??? ??? ????. ? ????? ???? ?? ??? ???? ??? ??? ??? ? ? ???, ?? ?? ??? ??? ?????.

Jul 30, 2025 am 02:40 AM

Linux?? ??? SSH ??? ???? ??

installAnableShserHseringPackagemanagerSlikeAptordnf, whenstartAndVerifyTheService.2.HardenSshConfigurationChangingTheDefaultPortto2222, DisablingRootloginwithfermitrootloginno, AllowingSpecificusviaallowUsers, disablingsappassincatio

Jul 30, 2025 am 02:19 AM

Linux ?? ??? ?? : Ext4 vs. BTRFS ? XFS

ext4isbestforgeneraldesktoporlaptopuseandenvendentsrequiringmaxumStability, reliabilityandsimplicitybutlackingmodernfeatureslikesnapshotsorchecksums.2.btrfsisidealforsystemsneedingsnapshots, rollbacks, and dataintegeature, ?????

Jul 30, 2025 am 02:19 AM

?? ?? ? ?????? Linux ??

LinuxisApracticalDailyDriverforproductivity; 1. chooseadistrolikeubuntuforbeginnersorpop!

Jul 30, 2025 am 02:12 AM

Linux ??? ? ?? ?? ???

LinuxUserAndgroupManagementErsuresProperAcccesccesccescontmorganizationthroughUserAccountsandgroupMemberships.2.usershaveUniqueUidsAndarizedArizedAsregularUserSorTherootUser (UID0)

Jul 30, 2025 am 01:58 AM

Linux?? ?? ???? ?? ?? ??

CheckSystemAnapplicationLogsUsingJournalCTL, Application-SpecificLogfiles ? DeskTopenVironmentLogStoEndifyErrorMessages; 2.usedMesgTodetEctKernel-levelissuesKINGOSSORCESTEMETINTINGESTEMETINTINGOLSTESTEMETINGFAULTS; 3.RUNTHEAPPROMTERMANILTOCAPTUREREARCAPTERERORO

Jul 30, 2025 am 01:47 AM