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`sysctl`? ??? Linux ?? ??

SYSCTL? ???? ?? ?? ??? ???? Linux ??? ??? ????? ? ?????. ?? ????, ??? ? ?? ?? ?? ??? ????? ???? ?? ????? ??? ????? ????. 1. SyscTl? ?? ?? ?? : SysCTL? ????/proc/sys ???? ?? ?? ??? ??? ???? sudosysctlnet.core.rmem_max = 16777216? ?? ??? ????? ????, ?? ??? /etc/sysctl.conf ?? /etsctl.d/ ? executing sudoSctl.d/ to the sudoSctl.d/? ???????. 2. ???? ?? ?? : ???? ?? ????? ?? TCP ??? ????? (? : net.core.rmem_m.

Jul 30, 2025 am 01:44 AM

Linux ???? ?? CPU ??? ?? ?????

USETOP, HTOP, ORPSAUX--SORT =-%CPU | HEAD-10TOINDIFYHIGH-CPUPROCESSESBYPID, COMMAND, andUSER.2.CHECKSYSTEMLOADWITHUMEANDCOMPARE loadaveragetocpucorecountusingnproctodetermineifcpucontentionExists.3.analyzecpuuseGetypeswithvmstat15 (us, sy, id, wa) andusempst

Jul 30, 2025 am 01:26 AM

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

installRequiredToolSusingsudoaptinstallbuild-endentibncurses devbisonflexlibssl-devlibelf-dev.2.downloadkernelsourcefromk ernel.orgorviagitclone.3.copycurrentconfigwithcp/boot/config-$ (uname-r) .configandrunmakeolddefconfig.4.optionallyCustomizeWit

Jul 30, 2025 am 01:26 AM

Linux ???? ?? ?? : Gnome vs Kde

gnomeprioritizessimplicityandminim ismentwithaclean, onoveratedInterfacecenteredAroundTheActivitiesView, whilekdeplasmaemphasizesflexibilityandcontrol, VisexTensiveCustomizationsandsandbehavior.2.gnometypalityS800MB – 1.2gbramatidleandhasi

Jul 30, 2025 am 12:56 AM

??? ?? ??? ???? ??? ?? ???

??? ?? ??? ????? ??? ??? APT ?? ? .DEB ???? APT ??? ???? ?? ????? ??? ????? ?? ? ? ????. 1. ????? ??? ??? ??????? Sudoaptupdate? ???????. 2. Sudoaptupgrade? ???? ?? ????? ???? ??????? Sudoaptfull-Upgrade? ???? ??? ??? ??????. 3. sudoaptinstallpackage-name? ???? ?????? ???? ??? ???? ??? ???? ??? ???? ??? ?????. 4. APTSEARCH ? APTS? ???? ????? ??? ?? ???? ? ? ????. 5. Sudodpkg-i? ???? ?? .deb ??? ??????.

Jul 30, 2025 am 12:55 AM

??? ?? debian

?????? Linux : ???? ?? ?? ??????

Chooseabeginner ??? ? LinuxDistribution-likeUbuntu, LinuxMint, Orpop! _OS, downloadItSiso, createAbootabusbusingRufusorbalenaetcher, bootfromit, testInliveModeifdesiwed, thenInstallbollowingThesetUpwizardToSelectLanguage, timezone, and cre

Jul 30, 2025 am 12:14 AM

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

THELINUXKERNELISTECORECOCOMPONTONOFLINUX ?? ??? ?? ??, SURVINGASTHEBRIGGEBETWENSWEREANDHARDWARE.ITManagesProcessScheduling, MemoryAllocation, DevicedRivers, FileSystems ? SecurityMechanismsInsinprofilegedKernelspacetoensuresystemSmestemSec

Jul 30, 2025 am 12:14 AM

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

TherightlinuxdistrodnectonoUrusecase, SkillLevel ? Nneeds : 1. BeginnersshouldChooseUser-friendlydistros-liktuorlinuxmintforeaseofuseandstrongsupport.2.developers ? fowerusersmayprefedora, opensuseTumble Bleble, OpenSUSTUMBLEDOUED, ORCHLINUX, ORCHLINUX, ORCHLINUX

Jul 29, 2025 am 02:39 AM

linux ????

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

Linux ????? CP ??? ???? ??? ?? ? ?? ?? ?? ? ?? ?? ?????? ???????. ??? ????? ?? ?? CP [??] ?? ?? ?? ??? ???????. ?? ??? ?? ???? ?? -a ?? ??? ??????. ?? ??? ?? ?? ?? ????? -i ??? ??????. ?? ????? ?????; -v ?? ??? ???? ??; ?? ??? ???? ??? -f ?? ??? ??????. ????? ?? ? ?? ??? ?? -r ?? ??? ???????.

Jul 29, 2025 am 02:36 AM

UFW ? iptables? Linux?? ???? ???? ??

UseUFWforsimplefirewallsetupwithcommandslikesudoufwallowsshandsudoufwenableaftersettingdefaultstodenyincomingandallowoutgoingtraffic.2.Useiptablesforadvancedcontrolbysettingpolicieswithsudoiptables-PINPUTDROP,allowingloopbackandestablishedconnections

Jul 29, 2025 am 02:28 AM

BIOS?? Shell?? Linux ?? ????? ?????

BIOS/UEFIPERFORMSPOST, SELECTSBOOTDEVICE ? LOADDSBOOTLOADER -BIOSREADSMBRIUSEESYSTEMPATTITION.2.BOOTSMBR (GRUB) LOADSKERLENDININTINITRAMFSINTOMEMORY, KERNELESELESECTEREARPARAMEREDITITINGBEFOREEXECUTION.3.KERNELINITIZSHARDWARE, MONTORNINITIZSHARDWARE? ?????

Jul 29, 2025 am 02:24 AM

bios ??? ??

Linux ?????? ????? Apparmor? ?? ???

AppArmorisaLinuxsecuritymodulethatrestrictsapplicationprivilegestoenhancesystemsecurity.1.Itenforcesmandatoryaccesscontrolsviasecurityprofilesthatdefinepermittedfile,directory,network,andsystemcallaccess.2.Profilesoperateinenforcemode(blockingviolati

Jul 29, 2025 am 02:17 AM

Linux?? ??? ???`sed '?`awk`? ???? ??

SED ? AWK? Linux? ??? ??? ?? ???, ?? ? ??? ???? ??? ??, ?? ?? ??, ?? ?? ?? ? ??? ??? ?????. 1. SED? ??? ??? ???? ??? ??? ?? ? ? ??? (? : S/Old/New/??? ?? ???? S/Old/G Global ??) ?? ?? (? : 3S/Old/New/Oll Line 3, Old/New/G Line 2 ~ 5)?? ????? (/^$/D Delet Line/D Delet Orrer) (/start/i \ newlinebefore prore match ?? ??,/end/a \ newlinter ??

Jul 29, 2025 am 01:59 AM

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

?? DNS? ???? ???? ??? ??? ?? PostFix, DoveCot, Mariadb, Spamassassin ? Clamav? ???? ??????. 1. ??? ??? ?? ? DNS ???? ??????. 2. Postfix? ???? ?? ??? ??? ??????. 3. DoveCot? ???? ?? ???? ? SSL? ??????. 4. ?? ? ???? ???? ???? ?? Spamassassin ? Clamav? ?????. 5. SMTP/IMAP ???? ????? ??? ????? ?????? ????? TLS ? ?? ????? ???? ???? ?? ??? ???? ????? ????? ??????.

Jul 29, 2025 am 01:57 AM