Azịza ngwa ngwa: Otu esi elele ojiji ebe nchekwa na Linux?

ọdịnaya

Ọ dị ka ihe na-eme na PC desktọpụ gị.

iwu efu. Iwu efu bụ iwu kachasị mfe ma dị mfe iji lelee ojiji ebe nchekwa na Linux.
/proc/meminfo. Ụzọ ọzọ ị ga-esi lelee ojiji ebe nchekwa bụ ịgụ faịlụ /proc/meminfo.
vmstat.
iwu kacha elu.
kpop.

Kedu ka m ga-esi lelee ojiji ebe nchekwa na Ubuntu?

Iji lelee ojiji ebe nchekwa, anyị na-eji ahịrị iwu Ubuntu, ngwa Terminal. Ị nwere ike imepe Terminal site na Dash Sistemu ma ọ bụ Ctrl Alt T shortcut.

Ụzọ 5 iji lelee ebe nchekwa dị na Ubuntu

Iwu efu.
Iwu vmstat.
Iwu /proc/meminfo.
Iwu kachasị.
Iwu hottop.

Kedu ka m ga-esi wepụ ebe nchekwa na Linux?

Sistemụ Linux ọ bụla nwere nhọrọ atọ iji kpochapụ cache na-akwụsịghị usoro ma ọ bụ ọrụ ọ bụla.

Kpochapụ naanị Cache ibe. # mekọrịta; echo 1> /proc/sys/vm/drop_caches.
Kpochapụ denries na inodes. # mekọrịta; echo 2> /proc/sys/vm/drop_caches.
Hichapụ PageCache, denries na inodes.
sync ga-ehichapụ ihe nchekwa sistemụ faịlụ.

Kedu otu m ga-esi lelee nchekwa na Linux?

Iwu Linux ka ịlele oghere diski

df iwu - Na-egosi ọnụọgụ ohere diski eji yana dị na sistemụ faịlụ Linux.
du iwu - Gosipụta ọnụọgụ ohere diski nke faịlụ ndị akọwapụtara na-eji yana maka akwụkwọ ndekọ aha ọ bụla.
btrfs fi df / ngwaọrụ/ - Gosi ozi ojiji ohere diski maka sistemụ ebe ugwu / faịlụ btrfs.

Kedu ihe nchekwa Linux dị?

Linux bụ sistemụ arụmọrụ dị egwu. Linux na-abịa na ọtụtụ iwu iji lelee ojiji ebe nchekwa. Iwu “free” na-egosipụtakarị ọnụọgụ nke nnwere onwe yana ebe nchekwa anụ ahụ na-agbanwe n'ime sistemụ, yana ihe nchekwa nke kernel na-eji. Iwu "n'elu" na-enye echiche dị egwu nke oge na-agba ọsọ nke sistemụ na-agba ọsọ.

Kedu otu m ga-esi lelee ebe nchekwa anụ ahụ na Linux?

Ụzọ 4 iji lelee nha ebe nchekwa anụ ahụ (RAM) na Linux

Iji iwu efu. Iwu mbụ bụ n'efu.
Iji /proc/meminfo faịlụ. Ụzọ ọzọ bụ ịgụ ozi ebe nchekwa site na proc filesystem.
Iji iwu kacha elu. Iwu kachasị ama ama na-edepụtakwa ozi ebe nchekwa anụ ahụ n'ụzọ doro anya.
Iji vmstat. Ụzọ ọzọ bụ iji vmstat (virtual memory stats) iwu na -s switch.

Kedu otu ị ga-esi lelee ọnụọgụ cpus dị na Linux?

Ị nwere ike iji otu n'ime ụzọ ndị a iji chọpụta ọnụọgụ cores CPU anụ ahụ.

Gụọ ọnụ ọgụgụ nke isi ids pụrụ iche (nke dabara na grep -P '^core id\t' /proc/cpuinfo. |
Mụbaa ọnụ ọgụgụ nke 'cores kwa oghere' site na ọnụ ọgụgụ nke sọket.
Gụọ ọnụ ọgụgụ nke CPU nwere ezi uche dị ka Linux kernel ji.

Kedu ihe bụ ebe nchekwa cache na Linux?

Linux kernel ga-eji ebe nchekwa dị maka caching diski, belụsọ na mmemme na-agba ọsọ chọrọ ya. Ọ na-eji ebe nchekwa mapụtara na-abawanye ọsọ ọsọ ịnweta diski, na-ewepụghị ebe nchekwa ọ bụla na ngwa. Ụlọ ahịa ebule ejirila nke ọma na Linux bụ iji ngwaike na-arụ ọrụ nke ọma, ọ bụghị akara ịdọ aka ná ntị. "

Kedu ka m ga-esi kpochapụ cache RAM m?

Hichapụ cache ebe nchekwa na Windows 7

Pịa aka nri ebe ọ bụla na desktọpụ wee họrọ "Ọhụrụ"> "Ụdị mkpirisi."
Tinye ahịrị a mgbe ajụrụ ya maka ọnọdụ mkpirisi ụzọ ahụ:
Pịa "Ọzọ."
Tinye aha nkọwa (dị ka "Kpochapụ RAM na-adịghị eji") wee kụọ "Mechaa."
Mepee ụzọ mkpirisi emepụtara ọhụrụ, ị ga-ahụ ntakịrị mmụba na arụmọrụ.

Kedu ka cache DNS dị ọcha Linux?

Ọ bụrụ na sistemụ Linux gị na-echekwa ndenye DNS, mgbe ahụ ị nwere ike ịnwa ịkwanye cache DNS iji wepụ nsogbu ọ bụla metụtara DNS. Iji kpochapụ cache DNS na Ubuntu, ị nwere ike ịgbaso usoro ndị a: 1. Launch Terminal (ctrl + alt + T), wee pịnye "sudo /etc/init.d/dns-clean restart".

Kedu ka ịchọta faịlụ buru ibu na Linux?

Usoro ịchọta faịlụ kachasị ukwuu gụnyere akwụkwọ ndekọ aha na Linux bụ ndị a:

Mepee ngwa ọnụ.
Banye dị ka onye ọrụ mgbọrọgwụ site na iji iwu sudo -i.
Ụdị du -a /dir/ | ụdị -n -r. |
du ga-atụle ojiji oghere faịlụ.
ụdị ga-edozi mmepụta nke du iwu.
isi ga-egosi naanị faịlụ 20 kacha ukwuu na / dir/

Kedu ka m ga-esi hụ ojiji CPU na Linux?

Ngwa 14 Command Line iji lelee ojiji CPU na Linux

1) Top. Iwu kachasị elu na-egosiputa ezigbo oge nlele data metụtara arụmọrụ nke usoro niile na-agba ọsọ na sistemụ.
2) Iostat.
3) Vmstat.
4) Mpempe akwụkwọ.
5) Sar.
6) CoreFreq.
7) Oke.
Nmon.

Kedu ka m ga-esi chọta nha draịva ike na Linux?

Otu esi achọpụta ma ọ bụ mụta nha Harddisk na Linux ma ọ bụ UNIX

Ọrụ: Gosipụta nha nkebi diski ike. Mepee ọdụ ahịrị iwu (họrọ Ngwa> Ngwa> Ngwa), wee pịnye:
Ọrụ: Gosipụta nha nkebi diski ike na Mega bytes ma ọ bụ GB ma ọ bụ TB. Pịnye iwu a:
Ọrụ: Gosipụta Nha diski ike. Iwu fdisk bụ nhazi tebụl nkebi maka Linux.

Ebe nchekwa ole ka m chọrọ maka Linux?

Achọrọ Sistemụ. Windows 10 chọrọ 2 GB nke RAM, mana Microsoft na-atụ aro ka ịnwe opekata mpe 4 GB. Ka anyị tulee nke a na Ubuntu, ụdị Linux a kacha mara amara maka kọmpụta na laptọọpụ. Canonical, onye nrụpụta Ubuntu, na-akwado 2 GB nke RAM.

Kedu otu m ga-esi lelee oghere diski na ebe nchekwa na Linux?

Iwu Linux ka ịlele oghere diski

df iwu - Na-egosi ọnụọgụ ohere diski eji yana dị na sistemụ faịlụ Linux.
du iwu - Gosipụta ọnụọgụ ohere diski nke faịlụ ndị akọwapụtara na-eji yana maka akwụkwọ ndekọ aha ọ bụla.
btrfs fi df / ngwaọrụ/ - Gosi ozi ojiji ohere diski maka sistemụ ebe ugwu / faịlụ btrfs.

Kedu ihe bụ ebe nchekwa bi na Linux?

RSS bụ Nha Ntọlite Onye obibi ma ejiri ya gosi ole ebe nchekwa ekenyela na usoro ahụ ma dị na RAM. Ọ na-agụnye ebe nchekwa niile nke usoro ahụ nwere ike ịnweta, gụnyere ebe nchekwa a na-ewepụ, ebe nchekwa nke ekenyela, mana ejighi ya, na ebe nchekwa nke sitere na ọba akwụkwọ nkekọrịta.

Kedu ihe bụ Linux ebe nchekwa anụ ahụ?

Linux bụ otu n'ime sistemụ arụmọrụ mepere emepe kachasị ewu ewu na-abịa na nnukwu usoro iwu. Iwu “free” Linux na-enye ozi gbasara mkpokọta ejiri na ohere dị na ebe nchekwa anụ ahụ yana swap ebe nchekwa yana nchekwa kernel ji na Linux/Unix dị ka sistemụ arụmọrụ.

Kedu otu esi agbanwe ikike n'okpuru Linux?

Enwere ike ịgbanwe ikike dị na faịlụ site na iwu 'chmod' nke enwere ike kewaa ya na ọnọdụ zuru oke na akara ngosi. Iwu 'chown' nwere ike ịgbanwe nwe faịlụ/akwụkwọ ndekọ aha. Jiri iwu ndị a: faịlụ onye ọrụ chown ma ọ bụ onye ọrụ chown: faịlụ otu.

Kedu ihe dị iche n'etiti ebe nchekwa efu na dị na Linux?

Na mmepụta nke free , Ebe nchekwa efu bụ ọnụọgụ ebe nchekwa nke a na-ejighị ugbu a maka ihe ọ bụla. Nọmba a kwesịrị ịdị ntakịrị, n'ihi na ebe nchekwa nke anaghị eji eme ihe na-efunahụ ya. Ebe nchekwa dị bụ ọnụọgụ ebe nchekwa dị maka ikenye na usoro ọhụrụ ma ọ bụ usoro dị adị.

Gịnị bụ iwu ịlele RAM na Linux?

Otu esi elele ọsọ ram ma pịnye na Linux ma ọ bụ sistemụ Unix:

Mepee ngwa njedebe ma ọ bụ jiri ssh banye.
Pịnye iwu “sudo dmidecode –type 17”.
Lezienụ anya maka "Ụdị:" ahịrị dị na mmepụta maka ụdị ebule yana "Ọsọ:" maka ọsọ ebule.

CPU ole ka m nwere?

Chọpụta cores ole processor gị nwere. Pịa Ctrl + Shift + Esc ka imepe njikwa Task. Họrọ taabụ Performance ka ịhụ ọnụọgụ cores na ezi uche dị na ya nwere PC gị.

Kedu ka m ga-esi chọpụta ole RAM m nwere Linux?

Gbaa "free -m" ka ịhụ ozi RAM na MB. Gbaa "free -g" ka ịhụ ozi RAM na GB. Pịa akara ngosi ike/gear (NchNhr Sistemu) dị n'akụkụ aka nri elu nke ihuenyo wee họrọ Banyere Kọmputa a. Ị ga-ahụ mkpokọta ebe nchekwa dị na GiB.

Kedu otu esi ehichapụ cache DNS Linux Centos?

Wepu cache DNS na sava Centos

SSH n'ime Centos Server gị dị ka akaụntụ nwere ikike dị mkpa (mgbọrọgwụ na-arụ ọrụ)
Tinye "ọrụ nscd malitegharịa" wee pịa tinye.
Ọzọ Tinye “/etc/init.d/dnsmasq malitegharịa” wee pịa tinye.
Tinye “nslookup [domainname.com]” wee pịa tinye iji gosi na eweghachila ndekọ ahụ.

Ubuntu ọ na-echekwa DNS?

Ubuntu anaghị echekwa ndekọ dns na ndabara yabụ ọ gwụla ma ị tinyela cache dns ọ nweghị ihe ga-ekpochapụ. Ọ chọrọ ka Ubuntu malite caching dns Ana m akwado ịwụnye pdnsd yana resolvconf.

Kedu ihe bụ Nscd?

Nscd bụ daemon nke na-enye cache maka arịrịọ ọrụ aha na-adịkarị. Faịlụ nhazi nke ndabara, /etc/nscd.conf, na-ekpebi omume nke cache daemon. Lee nscd.conf(5). Cache ọ bụla nwere oge TTL dị iche iche (oge na-adị ndụ) maka data ya.
https://commons.wikimedia.org/wiki/File:Grub_boot_menu.jpg