An riga an fitar da Chrony 4.2 kuma waɗannan labaran ne

Kwanakin baya da saki sabon sigar aikin Chrony 4.2, wanda yana ba da aiwatarwa mai zaman kansa na abokin ciniki da uwar garken NTP wanda ake amfani dashi don daidaita daidai lokacin akan nau'ikan rarrabawar Linux, gami da Fedora, Ubuntu, SUSE / openSUSE, da RHEL / CentOS.

Shirin yana goyan bayan ƙayyadaddun NTPv4 (RFC 5905) da NTS (Network Time Security) yarjejeniya, wanda ke amfani da Abubuwan Kayayyakin Maɓalli na Jama'a (PKI) kuma yana ba da damar amfani da TLS da Ingantattun Rufewa tare da Associated Data (AEAD) don kare bayanan sirri na lokaci da aiki tare.

Game da Chrony 4.2

Don samun ainihin lokacin data, ana iya amfani da sabar NTP na waje da agogon tunani, misali, dangane da masu karɓar GPS, lokacin amfani da waɗanne daidaitattun za a iya cimma a matakin ɓangarorin daƙiƙa.

Wannan aikin tun asali an ƙera shi don yin aiki da kyau a cikin wuraren da ba su da kwanciyar hankali, ciki har da cibiyoyin sadarwar da ba za a iya dogara da su ba tare da haɗin da aka cire, babban latency da asarar fakiti, aiki akan inji mai mahimmanci, da tsarin tare da yanayin zafi daban-daban (zazzabi yana rinjayar aikin agogon hardware).

Daidaitaccen daidaito tsakanin injuna guda biyu da ke aiki tare akan Intanet shine 'yan millise seconds; akan LAN, madaidaicin yawanci dubun seconds ne. Tare da tambarin lokaci na hardware ko agogon nunin kayan masarufi, daidaiton abin da bai wuce microsecond zai yiwu ba.

An haɗa shirye-shirye guda biyu a cikin chrony, chronyd shine daemon wanda za'a iya farawa a lokacin taya, kuma chronyc shine tsarin dubawar layin umarni wanda za'a iya amfani dashi don saka idanu akan chrony don aiki da canza sigogi daban-daban na aiki yayin da yake gudana.

Babban sabbin fasalulluka na Chrony 4.2

A cikin wannan sabon sigar Chrony 4.2 ƙara goyon bayan gwaji don filin da ke fadada iyawar ka'idar NTPv4 kuma ana amfani dashi don inganta kwanciyar hankali na lokaci, da kuma rage jinkiri da yada darajar.

An kuma ambata a cikin sanarwar cewa ƙarin goyan bayan gwaji don isar da NTP game da Protocol Precision Time (PTP).

Hakanan a cikin yanayin haɗawar uwar garken an inganta wannan don inganta dogaro, ban da ƙara ƙididdigar tattarawa zuwa rahoton ƙididdiga na uwar garken.

Aiwatar da NTS yana ƙara goyan baya ga AES-CMAC boye-boye algorithm da ikon yin amfani da ayyukan hash na GnuTLS.

Wani sabon abu da ya fice shine dacewa da yanayin aiki na Solaris, kamar yadda a cikin wannan sabon sigar an fassara shi azaman maƙasudin aikin Illumos, wanda ke ci gaba da haɓaka kernel, tarawar hanyar sadarwa, tsarin fayil, direbobi, ɗakunan karatu, da ainihin saitin kayan aikin tsarin OpenSolaris. Don Illumos, ya aiwatar da kashe saitunan agogon kwaya.

Na sauran canje-canje wanda ya fice a wannan sabon sigar:

  • Ingantattun tallafi ga abokan ciniki da yawa a bayan mai fassarar adireshi ɗaya (NAT).
  • Sabunta tace kiran tsarin bisa tsarin seccomp.

Finalmente, idan kuna sha'awar ƙarin sani game da shi na wannan sabon sigar Chrony 4.2 zaku iya bincika cikakkun bayanai A cikin mahaɗin mai zuwa.

Yadda ake shigar Chrony 4.2 akan Linux?

Ga waɗanda ke da sha'awar samun damar shigar da wannan kayan aiki a kan tsarin su, za su iya yin haka ta bin umarnin da muka raba a ƙasa.

Idan kai mai amfani ne na Debian, Ubuntu ko kowane abin da aka samo daga waɗannan, zaku iya shigarwa ta buɗe tasha da buga umarni mai zuwa a ciki:

sudo apt install chrony

Yanzu idan kai mai amfani ne na CentOS, RHEL ko kowane rarraba wanda ya dogara da waɗannan, umarnin da za a yi amfani da shi shine mai zuwa:
sudo yum -y install chrony

Game da waɗanda suke masu amfani da Fedora, ana iya shigar da mai amfani ta hanyar bugawa:
sudo dnf -y install chrony

Duk da yake ga waɗanda suke masu amfani da Arch Linux, Manjaro, Arco Linux ko duk wani rarraba bisa Arch Linux, za su iya shigarwa tare da:

sudo pacman -S chrony


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