Aikin gida na madadin Yana da mahimmanci don kare bayanan da muke dasu akan kwamfutocinmu, kodayake a bayyane yake cewa abu daya shine ayi shi a gida sannan wani kuma shine a kiyaye bayanan jami'a ko kamfani, inda yawan bayanan suke da yawa mafi girma kuma akwai nauyi daban. Sabili da haka, buƙatar kayan aiki masu ƙarfi da yawa sun fi yawa, kodayake a bayyane yake cewa waɗannan ma ana iya amfani da su ɗayanmu a gida.
Yanzu bari mu gani yadda ake girka da saita rsnapshot don kari na kari, kayan aiki ne wanda ba kawai zai bamu damar kiyaye bayanai cikin aminci da hanya mai sauƙi ba amma kuma yana yin shi sosai da inganci. Misali na wannan muna fada shine gaskiyar cewa sarari da ake buƙata don ajiya, komai yadda muke amfani da shi, shi ne dan kadan sama da ajiyar waje tun daga nan kawai abin da aka adana shi ne kwafin waɗancan fayilolin da aka gyaru. Wata fa'idar rsnapshot ita ce, madadin suna da mawuyacin haɗi zuwa abubuwan da suka gabata, wannan idan dai babu canje-canje a cikin backups I mana.
Don samun damar amfani da shi hoton hoto dole ne mu cika wasu tambayoyin, kuma wannan kayan aiki ne wanda kuma ya dogara da wasu don aikinsa. Misali, bari buƙatar shigar da rsync kuma ku sami dama ta hanyar SSH ga kwamfutar da za mu adana abubuwan da muke ajiyewa a kanta, watau, dole ne mu girka SSH akan duka kwamfutocin kuma an saita makullin don samun damar shiga ba tare da shigar da kalmar sirri 'ta hannu' ba.
Don haka, da farko zamu tsara wannan:
ssh -keygen -t rsa
Anan SSH za ta tambaye mu kalmar, amma tunda za mu aiwatar da umarni a nesa muna son hulɗar 0 don haka za mu jefar da wannan ta latsa maɓallin Shigar / Shigar sau 2 da muke nema. A karshen zamu sami sabbin fayiloli guda 2 a ~ / .ssh: daya id_rsa ne kuma yana dauke da madannin gano sirri, dayan kuma id_rsa.pub kuma yana dauke da maɓallin jama'a. Ana kwafin na karshen zuwa sabar ta nesa ta amfani da ssh-copy-id command, wanda yake tambayarmu kalmar wucewa na lissafi akan sabar sannan sai ya kula da lodawa da adana shi ta hanyar da ta dace, ma'ana, kirkirar madaidaitan kundin da saita izini waɗanda suke wajibi:
# ssh-copy-id -i ~ / .ssh / id_rsa.pub mai amfani @ uwar garken nesa
Sa'an nan kuma mun shigar da rsync da rsnapshot:
# sudo apt-samun shigar rsync rsnapshot
Yanzu muna shirya fayil ɗin sanyi na rsnapshot don kafa kundin adireshin da za mu yi madadin:
# nano /etc/rsnapshot.conf
Muna gyara sashin hoto_root don nuna inda za mu adana abubuwan adanawa a kan kwamfutar nesa:
# hoto_root / disk1 / madadin
Mun kafa tazara a ciki hoton hoto zai aiwatar da aikinsa (a wannan misalin, sau hudu a rana wato kowane awanni shida), kuma saboda wannan sai mu cire # a gaban wanda za mu yi amfani da shi, mu gyara shi ya ɗanɗana, misali:
tazara awa 4
Yanzu mun kafa manyan fayilolin cikin gida wanda zamuyi aiki tare, wanda zamu ƙara su tare da zaɓin 'madadin':
madadin / gida / localhost /
madadin / sauransu localhost /
Ya kamata a lura cewa an raba filayen ta hanyar 'tabs', ma'ana bayan shigar ɗaya mun danna mabuɗin tattara bayanai, da sauransu. Kazalika zamu iya nuna waɗanne fayilolin da muke son warewa daga madadinmu, wanda muke amfani da layi mai mahimmanci ga kowane ɗayansu:
ware_file /etc/rsnapshot.conf
banda_file /etc/bashrc.conf
Sannan muka adana kuma muka gama wannan daidaitawar, amma sa'ar al'amarin shine muke da damar duba shi ta hanyar siga:
# rnapshot sake tsarawa
Idan komai yayi daidai zamu sami sako yana cewa 'Sintax OK'.
Wani zaɓi shine don gudanar dashi a cikin yanayin gwaji, wanda muka shigar dashi:
# rsnapshot -t kowane lokaci
A ƙarshe, muna da kawai gudu rsnapshot, wanda muke yi ta hanyar haɗa yanayin aiwatarwa, wanda dole ne yayi daidai da tazarar da muka yi amfani da ita: kowane sa'a, kowace rana, mako-mako ko kowane wata.
A halinmu:
#rsnapshot kowane lokaci
Za mu ga hakan a ciki / disk1 / madadin zai zama manyan fayiloli /daily.0/localhost/home y daily.0 / localhost / sauransu, kuma a cikin su za'a sami abinda ke ciki kamar yadda yake a cikin manyan fayilolin kungiyar da muke son karewa. Shi ke nan, kuma godiya ga hoton hoto daga yanzu zamu iya dogaro kari madadin a cikin tsarinmu.