Byl zve\u0159ejn\u011bn projekt BSDun, kter\u00fd vyv\u00edj\u00ed modul pro j\u00e1dro Linux, umo\u017e\u0148uj\u00edc\u00ed rozpozn\u00e1vat, na\u010d\u00edtat a spou\u0161t\u011bt v Linuxu nemodifikovan\u00e9 spustiteln\u00e9 soubory ve form\u00e1tu ELF, sestaven\u00e9 pro FreeBSD. Pro spu\u0161t\u011bn\u00ed se pou\u017e\u00edv\u00e1 emulovan\u00e9 prost\u0159ed\u00ed FreeBSD ulo\u017een\u00e9 v adres\u00e1\u0159i \/compat\/freebsd. Celkov\u011b je projekt p\u0159esn\u00fdm opakem Linuxulatoru FreeBSD. K\u00f3d je \u0161\u00ed\u0159en pod licenc\u00ed GPLv2+ a byl naps\u00e1n za pomoci asistenta AI Claude Code. <\/p>\n
D\u00edky BSDun se poda\u0159ilo \u00fasp\u011b\u0161n\u011b spustit mnoho aplikac\u00ed z bal\u00edk\u016f FreeBSD v Linuxu, v\u010detn\u011b pkg, nginx, mc, ping, xeyes, xfce4-panel, Thunar, xfce4-terminal, Libreoffice, Midori, Epiphany, Chromium a VScode. Pro spu\u0161t\u011bn\u00ed Chromium a VScode je nutn\u00e9 vypnout sandboxovou izolaci a omezit velikost videopam\u011bti pomoc\u00ed voleb «—no-sandbox —force-gpu-mem-available-mb=1024». <\/p>\n
Modul si nen\u00e1rokuje za\u0159azen\u00ed do hlavn\u00edho j\u00e1dra, proto\u017ee od doby odstran\u011bn\u00ed ABI Solaris architektura j\u00e1dra Linux neumo\u017e\u0148uje za\u0159azen\u00ed dal\u0161\u00edch zpracovatel\u016f spustiteln\u00fdch soubor\u016f (OS Personalities) a p\u0159edpokl\u00e1d\u00e1 existenci pouze jedn\u00e9 tabulky syst\u00e9mov\u00fdch vol\u00e1n\u00ed. Aby se t\u00e9to problematice obe\u0161el, byl v BSDun vyu\u017eit mechanismus kprobe, kter\u00fd zachycuje v\u0161echna syst\u00e9mov\u00e1 vol\u00e1n\u00ed. <\/p>\n
Pomoc\u00ed kprobe se syst\u00e9mov\u00e1 vol\u00e1n\u00ed FreeBSD odd\u011blovala od syst\u00e9mov\u00fdch vol\u00e1n\u00ed Linuxu a byly obalena v samostatn\u00e9 tabulce. N\u011bkter\u00e1 syst\u00e9mov\u00e1 vol\u00e1n\u00ed FreeBSD byla p\u0159\u00edmo spojena se syst\u00e9mov\u00fdmi vol\u00e1n\u00edmi Linuxu, u jin\u00fdch byla provedena p\u0159estavba struktury parametr\u016f a v\u00fdsledk\u016f, t\u0159et\u00ed byla nahrazena z\u00e1stupn\u00fdmi symboly (nap\u0159\u00edklad ty souvisej\u00edc\u00ed s Capcicum), a \u010dtvrt\u00e1 byla implementov\u00e1na na z\u00e1klad\u011b vnit\u0159n\u00edch struktur j\u00e1dra Linux. Pro realizaci mechanismu kevent\/kqueue nad epoll() byla nav\u00edc aplikov\u00e1na modifikace komponent\u016f v u\u017eivatelsk\u00e9m prostoru, automaticky prov\u00e1d\u011bn\u00e1 p\u0159i na\u010d\u00edt\u00e1n\u00ed ka\u017ed\u00e9ho spustiteln\u00e9ho souboru FreeBSD. <\/p>\n
Celkem bylo implementov\u00e1no p\u0159ibli\u017en\u011b 250 syst\u00e9mov\u00fdch vol\u00e1n\u00ed. Byly tak\u00e9 implementov\u00e1ny SystemV IPC, s\u00ed\u0165ov\u00e9 funkce, futexy, sysctl MIB, prctl, \u010dasova\u010de a ioctl. Pro odd\u011blen\u00ed souborov\u00fdch syst\u00e9m\u016f bylo pou\u017eito chroot prost\u0159ed\u00ed na stran\u011b Linuxu (b\u011bhem experiment\u016f bez chroot autor provedl «pkg install …» a p\u0159epsal obsah \\\/usr\\\/local\\\/* v Linuxu). Nicm\u00e9n\u011b n\u011bkter\u00e9 utility st\u00e1le mohou fungovat i bez chroot. <\/p>\n
Navr\u017een\u00fd modul m\u016f\u017ee b\u00fdt pou\u017eit pro v\u00fdvoj, kompilaci a portov\u00e1n\u00ed softwaru pro FreeBSD bez pou\u017eit\u00ed virtu\u00e1ln\u00edch stroj\u016f<\/a>. Kr\u00e1tk\u00fd n\u00e1vod k pou\u017eit\u00ed: make make load .\\\/bsdun-freebsd-root-resetup.sh .\\\/bsdun-freebsd-enter.sh uname -a FreeBSD host 16.0-CURRENT FreeBSD 16.0-CURRENT (bsdun) amd64 \u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u043f\u0440\u043e\u0435\u043a\u0442 BSDun, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0438\u0439 \u043c\u043e\u0434\u0443\u043b\u044c \u0434\u043b\u044f \u044f\u0434\u0440\u0430 Linux, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u0440\u0430\u0441\u043f\u043e\u0437\u043d\u0430\u0432\u0430\u0442\u044c, \u0437\u0430\u0433\u0440\u0443\u0436\u0430\u0442\u044c \u0438 \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0442\u044c \u0432 Linux \u043d\u0435\u043c\u043e\u0434\u0438\u0444\u0438\u0446\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u0438\u0441\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u0435 \u0444\u0430\u0439\u043b\u044b \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 ELF, \u0441\u043e\u0431\u0440\u0430\u043d\u043d\u044b\u0435 \u0434\u043b\u044f FreeBSD. \u0414\u043b\u044f \u0437\u0430\u043f\u0443\u0441\u043a\u0430 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u044d\u043c\u0443\u043b\u0438\u0440\u0443\u0435\u043c\u043e\u0435 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0435 FreeBSD, \u0440\u0430\u0437\u043c\u0435\u0449\u0430\u0435\u043c\u043e\u0435 \u0432 \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0435 \/compat\/freebsd. \u0412 \u0446\u0435\u043b\u043e\u043c \u043f\u0440\u043e\u0435\u043a\u0442 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u043b\u043d\u043e\u0439 \u043f\u0440\u043e\u0442\u0438\u0432\u043e\u043f\u043e\u043b\u043e\u0436\u043d\u043e\u0441\u0442\u044c\u044e FreeBSD Linuxulator. \u041a\u043e\u0434 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 GPLv2+ \u0438 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c AI-\u0430\u0441\u0441\u0438\u0441\u0442\u0435\u043d\u0442\u0430 Claude Code. \u041f\u0440\u0438 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-182472","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Byl zve\u0159ejn\u011bn BSDun, modul pro spou\u0161t\u011bn\u00ed spustiteln\u00fdch soubor\u016f FreeBSD v Linuxu | ProHoster","description":"Byl zve\u0159ejn\u011bn projekt BSDun, kter\u00fd 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Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"