{"id":31439,"date":"2019-10-31T21:41:16","date_gmt":"2019-10-31T18:41:16","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-sistemnogo-menedzhera-systemd-242\/"},"modified":"2019-10-31T21:41:16","modified_gmt":"2019-10-31T18:41:16","slug":"vypusk-sistemnogo-menedzhera-systemd-242","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/vypusk-sistemnogo-menedzhera-systemd-242","title":{"rendered":"S\u00fcsteemi halduri systemd 242 v\u00e4ljalase","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>P\u00e4rast kahte kuud arendust on v\u00e4lja antud s\u00fcsteemi halduri systemd 242 versioon. Uutena v\u00f5ib mainida L2TP tunnelite toe, v\u00f5imaluse kontrollida systemd-logindi k\u00e4itumist taask\u00e4ivitamisel keskkonnamuutujate kaudu, XBOOTLDR suurendatud k\u00e4ivitusosade toe mountimiseks \/boot, v\u00f5imaluse k\u00e4ivitada juurepartitsioon overlayfs-is ning palju uusi seadeid erinevate t\u00fc\u00fcpi \u00fcksuste jaoks.<\/p>\n<p>Peamised muudatused: <\/p>\n<ul>\n<li class=\"l\"> systemd-networkd toetab L2TP tunnelite kasutamist;\n<li class=\"l\"> sd-boot'is ja bootctl'is on rakendatud XBOOTLDR (Extended Boot Loader) osade toe, mis on ette n\u00e4htud mountimiseks \/boot, lisaks ESP osadele, mis on mountitud \/efi v\u00f5i \/boot\/efi. Tuumad, seaded, initrd pildid ja EFI v\u00f5ivad n\u00fc\u00fcd laadida nii ESP osadest kui ka XBOOTLDR osadest. See muudatus v\u00f5imaldab sd-boot laadijat kasutada konservatiivsemates stsenaariumites, kus laadija ise on paigutatud ESP-sse ning laaditavad tuumad ja nendega seotud metadata on eraldi osas;\n<li class=\"l\"> Lisatud on v\u00f5imalus laadida koos tuumale valiku &#171;systemd.volatile=overlay&#187; edastamisega, mis v\u00f5imaldab juurdumise l\u00f5iku paigutada overlayfs-i ja korraldada t\u00f6\u00f6loogikat ainult lugemiseks m\u00f5eldud juurkatalooge koos muudatuste salvestamisega eraldi kausta tmpfs-s, mille muudatused sellises konfiguratsioonis kaovad p\u00e4rast taask\u00e4ivitamist. Systemd-nspawnis on lisatud sarnane valik &#171;&#8212;volatile=overlay&#187; konteinerites sarnase funktsionaalsuse kasutamiseks;\n<li class=\"l\"> Systemd-nspawnis on lisatud valik &#171;&#8212;oci-bundle&#187;, mis v\u00f5imaldab kasutada runtime komplekte konteinerite isoleeritud k\u00e4ivitamiseks, mis vastavad Open Container Initiative (OCI) spetsifikatsiooni n\u00f5uetele. Kommando- ja nspawn-\u00fcksustes on ette n\u00e4htud erinevate valikute tugi, mida kirjeldatakse OCI spetsifikatsioonis; n\u00e4iteks faili s\u00fcsteemi osade eraldamiseks saab kasutada seadistusi &#171;&#8212;inaccessible&#187; ja &#171;Inaccessible&#187;, ning standardsete sisend- ja v\u00e4ljundvoolude seadistamiseks on lisatud valikud &#171;&#8212;console&#187; ja &#171;&#8212;pipe&#187;;\n<li class=\"l\"> Lisatud on v\u00f5imalus hallata systemd-logind'i k\u00e4itumist keskkonnamuutujate kaudu: $SYSTEMD_REBOOT_TO_FIRMWARE_SETUP,<br \/>\n          $SYSTEMD_REBOOT_TO_BOOT_LOADER_MENU ja<br \/>\n          $SYSTEMD_REBOOT_ TO_BOOT_LOADER_ENTRY. Nende muutujaid kasutades on v\u00f5imalik \u00fchendada oma taask\u00e4ivitamise protsessi k\u00e4sitlejat (\/run\/systemd\/reboot-to-firmware-setup, \/run\/systemd\/reboot-to-boot-loader-menu ja<br \/>\n          \/run\/systemd\/reboot-to-boot-loader-entry) \u0438\u043b\u0438 \u0432\u043e\u043e\u0431\u0449\u0435 \u043e\u0442\u043a\u043b\u044e\u0447\u0438\u0442\u044c \u0438\u0445 (\u043f\u0440\u0438 \u0432\u044b\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0432 false);<\/p>\n<li class=\"l\"> K\u00e4sku &#171;systemctl reboot&#187; on lisatud valikud &#171;&#8212;boot-load-menu=&#187; ja<br \/>\n          &#171;&#8212;boot-loader-entry=&#187;, mis v\u00f5imaldavad p\u00e4rast taask\u00e4ivitamist valida konkreetse k\u00e4ivitusmen\u00fc\u00fc punkti v\u00f5i k\u00e4ivitusre\u017eiimi;<\/p>\n<li class=\"l\"> Lisatud on uus sand-boxi isoleerimise k\u00e4sk &#171;RestrictSUIDSGID=&#187;, mis kasutab seccompit, et keelata SUID\/SGID lipud failide loomine;\n<li class=\"l\"> Vaikimisi rakendatakse piiranguid &#171;NoNewPrivileges&#187; ja &#171;RestrictSUIDSGID&#187; teenustes, mis on seadistatud d\u00fcnaamilise kasutaja identifikaatori genereerimise re\u017eiimiks (&#171;DynamicUser&#187;);\n<li class=\"l\"> Vaikimisi .link-failides rakendatud seadistus MACAddressPolicy=persistent on muudetud, et katta suuremat hulka seadmeid. V\u00f5rgubridges, tunnelid (tun, tap) ja lingid (bond), ei identifitseeri ennast kui mitte ainult v\u00f5rguliidese nime j\u00e4rgi, seega kasutatakse seda nime n\u00fc\u00fcd MAC ja IPv4-aadresside sidumise aluseks. Lisaks on lisatud seade &#171;MACAddressPolicy=random&#187;, mida saab kasutada MAC ja IPv4-aadresside sidumiseks seadmetega juhuslikus j\u00e4rjekorras;\n<li class=\"l\"> Systemd-fstab-generatori kaudu genereeritud .device \u00fcksused ei h\u00f5lma n\u00fc\u00fcd vastavaid .mount \u00fchikuid s\u00f5ltuvustena &#171;Wants=&#187; sektsioonis. Seadmise lihtne \u00fchendamine ei too enam automaatset k\u00e4ivitamist \u00fchiku jaoks, mis vastab montaa\u017eile, kuid sarnased \u00fchikud v\u00f5ivad siiski k\u00e4ivituda muudel p\u00f5hjustel, n\u00e4iteks osana local-fs.target-ist v\u00f5i s\u00f5ltuvustest teistest local-fs.targetist s\u00f5ltuvatest \u00fchikutest;\n<li class=\"l\"> K\u00e4skude &#171;networkctl list\/status\/lldp&#187; juurde on lisatud tugi maskide (&#171;*&#187; jne) seadmiseks, et filtreerida teatud v\u00f5rgu liidese r\u00fchmi nende nime osas;\n<li class=\"l\"> Keskkonnamuutuja $PIDFILE seatakse n\u00fc\u00fcd absoluutse tee kaudu, mis on seadistatud teenustes parameetriga &#171;PIDFile=;\n<li class=\"l\"> Kui peamine DNS ei ole selgelt m\u00e4\u00e4ratud, on lisatud reserv DNS-serverite hulka avalik Cloudflare (1.1.1.1). Reserv DNS-serverite loendi \u00fclekirjutamiseks v\u00f5ib kasutada valikut '-Ddns-servers='; <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/\"   title=\"serveritesse\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1823\">serveritesse<\/a>  Cloudflare (1.1.1.1). Varuplaanide DNS-serverite nimekirja \u00fclekirjutamiseks saab kasutada valikut &#171;-Ddns-servers=&#187;;\n<li class=\"l\"> USB-seadmestiku kontrolleri tuvastamisel k\u00e4ivitatakse automaatselt uus usb-gadget.target t\u00f6\u00f6tleja (kui s\u00fcsteem t\u00f6\u00f6tab USB-perifeerseadmel);\n<li class=\"l\"> \u00dcksustes on rakendatud seadistus &#171;CPUQuotaPeriodSec=&#187;, mis m\u00e4\u00e4rab aja perioodi, mille suhtes m\u00f5\u00f5detakse protsessori ajakvooti, mis on m\u00e4\u00e4ratud seade &#171;CPUQuota=&#187;;\n<li class=\"l\"> \u00dcksustes on rakendatud seadistus &#171;ProtectHostname=&#187;, mis keelab teenustel muuta hostinime teavet, isegi kui neil on vastavad volitused;\n<li class=\"l\"> \u00dcksustes on rakendatud seadistus &#171;NetworkNamespacePath=&#187;, mis v\u00f5imaldab siduda nimed teenuste v\u00f5i socket-\u00fchikute juurde, m\u00e4\u00e4rates tee nimede faili poole, mis asub vale-FSis \/proc;\n<li class=\"l\"> Lisatud on v\u00f5imalus t\u00fchistada keskkonnamuutujate asendamine protsesside jaoks, mis on k\u00e4ivitatud seadistuse &#171;ExecStart=&#187; kaudu, lisades enne startimise k\u00e4sku m\u00e4rgi &#171;:&#187;;\n<li class=\"l\"> Kellaseadmete (\u00fchikud .timer) jaoks on ette n\u00e4htud uued lipud &#171;OnClockChange=&#187; ja<br \/>\n&#171;OnTimezoneChange=&#187;, millega saab juhtida \u00fcksuse kutsumist, kui s\u00fcsteemi kellaaeg v\u00f5i ajav\u00f6\u00f6nd muutub;<\/p>\n<li class=\"l\"> Lisatud on uued seadistused &#171;ConditionMemory=&#187; ja &#171;ConditionCPUs=&#187;, mis m\u00e4\u00e4ravad \u00fcksuse kutsumise tingimused s\u00f5ltuvalt m\u00e4lu suurusest ja CPU tuumade arvust (n\u00e4iteks ressursimahuka teenuse saab k\u00e4ivitada ainult siis, kui vajalik hulk RAMi on olemas);\n<li class=\"l\"> Uus time-set.target \u00fcksus on lisatud, mis v\u00f5tab vastu kohalikult seatud s\u00fcsteemi aega, ilma et oleks vaja s\u00fcnkroonida v\u00e4liste t\u00e4psete aegade serveritega time-sync.target abil. Uut \u00fcksust saavad kasutada teenused, mis vajavad ainult mittes\u00fcnkroniseeritud kohalike kellade t\u00e4psust;\n<li class=\"l\"> K\u00e4sk &#171;systemctl start&#187; ja sarnased k\u00e4skud on saanud uue valiku &#171;&#8212;show-transaction&#187;, mille korral kuvatakse kokkuv\u00f5te k\u00f5igist t\u00f6\u00f6dest, mis on lisatud j\u00e4rjestusse nauditud operatsiooni t\u00f5ttu;\n<li class=\"l\"> Systemd-networkd-s on m\u00e4\u00e4ratletud uus seisund &#8216;enslaved&#8217;, mida kasutatakse &#8216;degraded&#8217; v\u00f5i &#8216;carrier&#8217; asemel v\u00f5rgu liideste jaoks, mis kuuluvad aggregaatlinkide v\u00f5i v\u00f5rgu sildade hulka. Esialgsete liideste puhul, kui esineb \u00fchte liini probleeme, on lisatud seisund &#8216;degraded-carrier&#8217;;\n<li class=\"l\"> \u00dcksustesse .network lisati valik &#171;IgnoreCarrierLoss=&#187;, et s\u00e4ilitada v\u00f5rguseadistusi \u00fchenduse katkestamise korral;\n<li class=\"l\"> Konfiguratsiooni &#171;RequiredForOnline=&#187; kaudu saab \u00fchtedes .network m\u00e4\u00e4rata minimaalset lubatud lingi seisundit, mis on vajalik v\u00f5rgu liidese viimiseks &#171;online&#187; ja systemd-networkd-wait-online t\u00f6\u00f6tlija aktiveerimiseks;\n<li class=\"l\"> systemd-networkd-wait-onlineisse lisati valik &#171;&#8212;any&#187; igasuguste m\u00e4\u00e4ratud v\u00f5rgu liideste valmisoleku ootamiseks, mitte aga k\u00f5igi omade, samuti valik &#171;&#8212;operational-state=&#187; lingi seisundi m\u00e4\u00e4ramiseks, mis n\u00e4itab valmisolekut;\n<li class=\"l\"> \u00dcksustesse .network lisati seaded &#171;UseAutonomousPrefix=&#187; ja &#171;UseOnLinkPrefix=&#187;, mida saab kasutada prefiksite ignoreerimiseks saadud andmete t\u00f6\u00f6tlemisel;<br \/>\nIPv6 ruuteriettepaneku (RA, Router Advertisement) kaudu;<\/p>\n<li class=\"l\"> \u00dcksustesse .network lisati seaded &#171;MulticastFlood=&#187;, &#171;NeighborSuppression=&#187; ja &#171;Learning=&#187; v\u00f5rgu silla t\u00f6\u00f6parameetrite muutmiseks ning seadistus &#171;TripleSampling=&#187; virtuaalsete CAN-liideste TRIPLE-SAMPLING re\u017eiimi muutmiseks;\n<li class=\"l\"> \u00dcksustesse .netdev lisati seadistused &#171;PrivateKeyFile=&#187; ja &#171;PresharedKeyFile=&#187;, mille abil saab m\u00e4\u00e4rata WireGuard'i liideste privaatsete ja jagatud (PSK) v\u00f5tmed; <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/vpn\/\"   title=\"VPN\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"31\">VPN<\/a>;\n<li class=\"l\"> failis \/etc\/crypttab on lisatud valikud same-cpu-crypt ja submit-from-crypt-cpus, mis juhivad ajakava k\u00e4itumist \u00fclesannete migreerimisel CPU tuumade vahel, mis on seotud kr\u00fcpteerimisega;\n<li class=\"l\"> Systemd-tmpfiles-s on t\u00f6\u00f6tlemisega kaasatud lukustusfaili haldamine, enne kui toimingud ajutiste failide kataloogides, mis v\u00f5imaldab teatud toimingute ajal katkestada aegunud failide puhastusprotsessi (n\u00e4iteks tar-archiiva lahtipakkimise ajal \/tmp-s v\u00f5ivad ilmneda v\u00e4ga vanad failid, mida ei tohi enne nende kasutamise l\u00f5ppemist kustutada);\n<li class=\"l\"> K\u00e4sule &#171;systemd-analyze cat-config&#187; lisati v\u00f5imalus anal\u00fc\u00fcsida konfiguratsiooni, mis on jaotatud mitmeks failiks, n\u00e4iteks kasutaja ja s\u00fcsteemi vaikeseaded, tmpfiles.d ja sysusers.d sisu, udev'i reeglid jne;\n<li class=\"l\"> journalctl'i lisati valik &#171;&#8212;cursor-file=&#187;, et m\u00e4\u00e4rata fail positsiooni \u00fcleslaadimiseks ja salvestamiseks;\n<li class=\"l\"> systemd-detect-virtisse lisati h\u00fcperviseerija ACRN ja WSL (Windows Subsystem for Linux) m\u00e4\u00e4ramine, et edaspidi haruneda &#171;ConditionVirtualization&#187; tingimusoperaatori abil;\n<li class=\"l\"> systemd installimise ajal (k\u00e4ivitades &#171;ninja install&#187;) l\u00f5petati s\u00fcmboolsete linkide loomine kausta \/etc failidele systemd-networkd.service, systemd-networkd.socket,<br \/>\n          systemd-resolved.service, remote-cryptsetup.target, remote-fs.target,<br \/>\n          systemd-networkd-wait-online.service ja systemd-timesyncd.service. Nende failide loomine n\u00f5uab n\u00fc\u00fcd k\u00e4sku &#171;systemctl preset-all&#187;.<\/p>\n<\/ul>\n<p>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50497\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0434\u0432\u0443\u0445 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u043e\u0433\u043e \u043c\u0435\u043d\u0435\u0434\u0436\u0435\u0440\u0430 systemd 242. \u0418\u0437 \u043d\u043e\u0432\u0448\u0435\u0441\u0442\u0432 \u043c\u043e\u0436\u043d\u043e \u043e\u0442\u043c\u0435\u0442\u0438\u0442\u044c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u0442\u0443\u043d\u043d\u0435\u043b\u0435\u0439 L2TP, \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u0435\u043c systemd-logind \u043f\u0440\u0438 \u043f\u0435\u0440\u0435\u0437\u0430\u043f\u0443\u0441\u043a\u0435 \u0447\u0435\u0440\u0435\u0437 \u043f\u0435\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u044f, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0443 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u043d\u044b\u0445 \u0437\u0430\u0433\u0440\u0443\u0437\u043e\u0447\u043d\u044b\u0445 \u0440\u0430\u0437\u0434\u0435\u043b\u043e\u0432 XBOOTLDR \u0434\u043b\u044f \u043c\u043e\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \/boot, \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0441 \u043a\u043e\u0440\u043d\u0435\u0432\u044b\u043c \u0440\u0430\u0437\u0434\u0435\u043b\u043e\u043c \u0432 overlayfs, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0431\u043e\u043b\u044c\u0448\u043e\u0435 \u0447\u0438\u0441\u043b\u043e \u043d\u043e\u0432\u044b\u0445 \u043d\u0430\u0441\u0442\u0440\u043e\u0435\u043a \u0434\u043b\u044f \u0440\u0430\u0437\u043d\u044b\u0445 \u0442\u0438\u043f\u043e\u0432 \u044e\u043d\u0438\u0442\u043e\u0432. \u041e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f: \u0412 systemd-networkd [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-31439","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta 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