Taw qhia
Tus thawj tswj hwm lub neej tsis yog ib qho yooj yim. Tuav txoj kev ntseeg ncaj ncees, tswj kev ruaj ntseg, teeb meem daws teeb meem. Muaj ntau ntau daim hlau.
Thaum nws tuaj txog kev ruaj ntseg koj xav tau koj cov neeg siv xaiv cov password tshiab thiab koj xav kom lawv hloov nws lub sijhawm.
Phau ntawv qhia no qhia tias koj yuav ua li cas yuam cov neeg siv los hloov lawv tus password nrog qhov kev hloov hais kom ua.
Tus Neeg Siv Password Cov Ntaub Ntawv Ntev
Txhawm rau paub txog tus neeg siv tus password txog kev siv lub sij hawm ntev khiav cov lus qhia nram qab no:
chage -l
Cov ntaub ntawv xa rov qab yog raws li nram no:
- Thaum twg tus password hloov kawg
- Thaum tus password tas sij hawm
- Muaj pes tsawg hnub ntawm kev tsis ua hauj lwm ua ntej tus password tam sim no
- Thaum twg tus account expires
- Cov tsawg hnub ntawm kev hloov khib nyiab
- Qhov tsawg tshaj plaws ntawm hnub hloov ntawm tus password hloov
- Cov naj npawb ntawm cov hnub ceeb toom ua ntej tus password tas sij hawm.
Yuav Ua Li Cas Rau Ib Tug Neeg Siv Hloov Zeem Txhua Hnub 90 Hnub
Koj tuaj yeem yuam kom ib tug neeg siv pauv lawv tus password tom qab hnub teem tau pes tsawg hnub los ntawm kev siv cov lus txib nram qab no:
sudo chage -M 90
Koj yuav tsum tau siv sudo elevate koj permissions khiav no hais kom ua los yog hloov mus rau ib tug neeg uas muaj qhov tsim nyog permissions siv qhov hais kom ua su .
Yog tias koj tam sim no khiav ntawm qhov hloov -l hais kom koj pom tias hnub expiry teem thiab tshaj qhov naj npawb ntawm hnub yog 90.
Koj tuaj yeem ua tau cov hnub uas haum koj tus kheej txoj cai ruaj ntseg.
Yuav Teem Tsum Tiav Hnub Siv Rau Ib Tug
Xav txog Niam txiv Dave thiab Aunty Joan tuaj xyuas koj lub tsev rau hnub so.
Koj tuaj yeem tsim txhua tus ntawm lawv tus account uas siv cov lus txib nram qab no ntxiv:
sudo adduser dave
sudo adduser joan
Tam sim no hais tias lawv muaj nyiaj koj tau teev lawv cov passwords uas siv cov lus hais hauv passwd raws li nram no:
sudo passwd dave
sudo passwd joan
Xav txog tias Dave thiab Joan yog tawm hauv lub 31 Lub Yim Hli 2016.
Koj tuaj yeem teem sijhawm rau hnub tso nyiaj rau cov nyiaj hauv qab no:
sudo chage-A 2016-08-31 dave
sudo chage-A 2016-08-31 joan
Yog hais tias koj khiav lub chage -l hais kom ua tam sim no koj yuav tsum pom tias tus account yuav tseeb tas rau lub 31 Lub yim hli ntuj 2016.
Tom qab tus as-khauj tas sij hawm ib tus neeg khiav dej num tswj tau lub hnub tas sij hawm los ntawm kev ua raws li cov lus txib nram no:
sudo chage -E -1 dave
Teem Cov Naj Npaug Ntawm Hnub Tom Qab Tus Zauv Ncauj Thov Ntej Ua Ntej Tus Xauv Tawm
Koj tuaj yeem teem caij naj npawb ntawm hnub tom qab tus zauv cim tas sij hawm thaum tus as khes qis lawm. Piv txwv li, yog Dave's password tam sim ntawd hnub Wednesday thiab tus naj npawb ntawm tsis tshuav hnub yog 2 ces Dave tus account yuav tsum tau muab kaw rau hnub Friday.
Txhawm rau teem caij pes tsawg tus neeg tsis muaj hnub khiav khiav cov lus txib nram no:
sudo chage-kuv 5 dave
Cov lus hais saum toj no yuav muab Dave 5 hnub los nkag rau nws tus account thiab hloov tus password ua ntej tus account tau xauv.
Tus thawj tswj hwm tau qhib lub xauv los ntawm kev ua raws li hais hauv qab no:
sudo chage-kuv -1 dave
Yuav Ua Li Cas Ceeb Toom Tus Neeg Nkawv Cov Luag Haujlwm Lo Lus Kom Ncaj Ncees
Koj tuaj yeem ceeb toom rau tus neeg siv txhua zaus lawv nkag rau hauv tias lawv cov password yuav tas sijhawm.
Piv txwv li, yog tias koj xav kom Dave paub tias nws tus password yuav tas rau ntawm 7 hnub ntxiv mus khiav cov lus txib nram qab no:
sudo chage -W 7 dave
Yuav Ua Li Cas Tiv Thaiv Ib Tug Neeg Thiaj Hloov Cov Lus Password Ntau Zaus
Yog hais tias tus neeg siv hloov lawv tus password txhua hnub nws ntshe tsis yog qhov zoo tshaj plaws. Yuav kom hloov koj tus password txhua hnub thiab nco ntsoov nws, koj yuav tsum tau siv qee tus qauv.
Txhawm rau tiv thaiv ib tus neeg hloov lawv tus password ntau dhau lawm koj tuaj yeem teem tsawg kawg hnub ua ntej lawv tuaj yeem hloov tau tus password.
sudo chage -m 5 dave
Nws yog ntawm koj yog tias koj tswj qhov kev xaiv no. Cov neeg feem coob yog cov tsis muaj zog thaum hloov cov passwords uas yog tsis muaj kev sib cav nrog nws.
Koj tuaj yeem tshem qhov kev txwv los ntawm kev hais meej rau cov lus txib nram qab no:
sudo chage -m 0 dave