{"id":116944,"date":"2024-07-04T21:05:19","date_gmt":"2024-07-04T19:05:19","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-sistemy-setevoj-zagruzki-skuf-25-0"},"modified":"2024-07-04T21:05:19","modified_gmt":"2024-07-04T19:05:19","slug":"vypusk-sistemy-setevoj-zagruzki-skuf-25-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-sistemy-setevoj-zagruzki-skuf-25-0","title":{"rendered":"Lan\u00e7amento do sistema de boot pela rede SKUF 25.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Est\u00e1 dispon\u00edvel o lan\u00e7amento est\u00e1vel do SKUF 25 (Suckless Kexec Using Fileshare), uma ferramenta para inicializa\u00e7\u00e3o em rede sem disco do Arch Linux a partir de um armazenamento SAMBA sem usar PXE. O projeto \u00e9 baseado no mkinitcpio e permite configurar o ambiente para inicializar a distribui\u00e7\u00e3o Arch Linux, usando como raiz imagens sparse com sistema de arquivos (por exemplo, ext4), que est\u00e3o localizadas em um servidor SAMBA. A inicializa\u00e7\u00e3o ocorre em duas etapas, na primeira o usu\u00e1rio tem a oportunidade de alterar os par\u00e2metros de montagem do SAMBA \/ FS raiz, e na segunda ocorre a inicializa\u00e7\u00e3o de um novo kernel usando kexec. Para obter <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/lir\/ipv4\/\"   title=\"endere\u00e7os IP\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"720\">endere\u00e7os IP<\/a> em ambas as etapas \u00e9 utilizado o dhcpcd.<\/p>\n<p>Paralelamente, o reposit\u00f3rio do projeto desenvolve um script update_remote_systems, permitindo atualizar v\u00e1rias inst\u00e2ncias do Arch Linux sequencialmente.<\/p>\n<p><center><img decoding=\"async\" alt=\"Lan\u00e7amento do sistema de boot pela rede SKUF 25.0\" src=\"\/wp-content\/uploads\/2024\/07\/d9d39fbadafb46a43c38c350957cd917.png\" style=\"display:block;margin: 0 auto;\" \/><\/center><\/p>\n<p>A ferramenta pode ser \u00fatil em institui\u00e7\u00f5es educacionais ou outras empresas, onde, por exemplo, j\u00e1 existe um servidor DHCP \/ PXE ocupado, ou onde n\u00e3o se consegue um acordo com o administrador do sistema, mas h\u00e1 acesso ao <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/server\/dts-shicago\/\"   title=\"servidor\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2937\">servidor<\/a> SAMBA. Neste \u00faltimo caso, o estudante pode configurar o ambiente para inicializa\u00e7\u00e3o por conta pr\u00f3pria, sem configurar a parte do servidor. Para a inicializa\u00e7\u00e3o, \u00e9 utilizado um USB Flash ou CD\/DVD com um tamanho m\u00ednimo de 150 MB (ou, no caso de uso de EFI \u2014 uma parti\u00e7\u00e3o FAT32 com o kernel e seu pr\u00f3prio initramfs)<\/p>\n<p>Al\u00e9m da aus\u00eancia da necessidade de configura\u00e7\u00e3o de um servidor DHCP\/PXE, outra fun\u00e7\u00e3o \u00fatil pode ser o kexec, que permite carregar um novo kernel do sistema operacional 'quente', sem reiniciar fisicamente o hardware. Gra\u00e7as a isso, diferentes kernels podem ser utilizados na m\u00e1quina cliente, sem se preocupar com a altera\u00e7\u00e3o da configura\u00e7\u00e3o do gerenciador de inicializa\u00e7\u00e3o no caso de usar o m\u00e9todo tradicional com PXE.<\/p>\n<p>Outras fun\u00e7\u00f5es:<\/p>\n<ul>\n<li> Suporte para tela gr\u00e1fica de inicializa\u00e7\u00e3o Plymouth.\n<li> Suporte para conex\u00e3o de swap file pela rede.\n<li> Suporte para inicializa\u00e7\u00e3o do sistema usando teclado Bluetooth sem fio em computadores Macintosh.\n<\/ul>\n<p>Mudan\u00e7as no SKUF 25:<\/p>\n<ul>\n<li class=\"l\"> Os drivers de dispositivos de bloco a mais n\u00e3o s\u00e3o mais adicionados ao initramfs gerado.\n<li class=\"l\"> Ao carregar um novo kernel, a op\u00e7\u00e3o '--console-vga' n\u00e3o \u00e9 mais utilizada, o que pode ajudar na depura\u00e7\u00e3o usando o console.\n<li class=\"l\"> O pacote busybox \u00e9 constru\u00eddo com o par\u00e2metro 'KCONFIG_NOTIMESTAMP=1', o que permite criar binaries reproduz\u00edveis.\n<li class=\"l\"> Foi apresentado o script 'update_remote_systems.sh', que permite atualizar sequencialmente v\u00e1rios sistemas Arch Linux. Entre as funcionalidades est\u00e3o \u2014 armazenamento de cache de pacotes pacman separado (permite que o mesmo pacote n\u00e3o seja baixado duas vezes para v\u00e1rios sistemas), gera\u00e7\u00e3o de relat\u00f3rios de atualiza\u00e7\u00f5es em formato CSV, suporte \u00e0 instala\u00e7\u00e3o de pacotes de terceiros, modo tmux para monitorar o status das atualiza\u00e7\u00f5es em modo gr\u00e1fico.\n<li class=\"l\"> O formato do c\u00f3digo foi melhorado e pequenos erros foram corrigidos.\n<\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61490\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0439 \u0440\u0435\u043b\u0438\u0437 SKUF 25 (Suckless Kexec Using Fileshare), \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f \u0434\u043b\u044f \u0431\u0435\u0437\u0434\u0438\u0441\u043a\u043e\u0432\u043e\u0439 \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 Arch Linux \u0441 \u0441\u0435\u0442\u0435\u0432\u043e\u0433\u043e \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0430 SAMBA \u0431\u0435\u0437 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f PXE. \u041f\u0440\u043e\u0435\u043a\u0442 \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d \u043d\u0430 \u0431\u0430\u0437\u0435 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 mkinitcpio \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043d\u0430\u0441\u0442\u0440\u043e\u0438\u0442\u044c \u0441\u0440\u0435\u0434\u0443 \u0434\u043b\u044f \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 Arch Linux, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044f \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043a\u043e\u0440\u043d\u044f sparse-\u043e\u0431\u0440\u0430\u0437\u044b \u0441 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u043e\u0439 (\u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, ext4), \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0440\u0430\u0441\u043f\u043e\u043b\u0430\u0433\u0430\u044e\u0442\u0441\u044f \u043d\u0430 SAMBA-\u0441\u0435\u0440\u0432\u0435\u0440\u0435. \u0417\u0430\u0433\u0440\u0443\u0437\u043a\u0430 \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u0432 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":116945,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-116944","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0439 \u0440\u0435\u043b\u0438\u0437 SKUF 25 (Suckless Kexec Using Fileshare), \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f \u0434\u043b\u044f \u0431\u0435\u0437\u0434\u0438\u0441\u043a\u043e\u0432\u043e\u0439 \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 Arch Linux \u0441 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