{"id":1421,"date":"2023-11-25T18:46:42","date_gmt":"2023-11-25T21:46:42","guid":{"rendered":"https:\/\/blog.galsoft.com.ar\/?p=1421"},"modified":"2023-11-25T18:47:55","modified_gmt":"2023-11-25T21:47:55","slug":"backup-y-restauracion-de-permisos-de-archivos","status":"publish","type":"post","link":"https:\/\/blog.galsoft.com.ar\/?p=1421","title":{"rendered":"Backup y restauraci\u00f3n de permisos de archivos"},"content":{"rendered":"<p>En Linux disponemos de un sistema avanzado de gesti\u00f3n de privilegios, denominado\u00a0<strong>ACL<\/strong>, o\u00a0<strong>listas de control de acceso<\/strong>.<\/p>\n<p>Con el comando <code>ls -l \/etc\/passwd<\/code> podemos conocer entre otras cosas los permisos del archivo de sistema <strong>\/etc\/passwd.<\/strong> Podemos extraer informaci\u00f3n de los permisos con el comando <strong>getfacl<\/strong> y guardarlos en un archivo de respaldo. Si ademas usamos el par\u00e1metro -R obtendremos los permisos de directorios en forma recursiva.<\/p>\n<p>Supongamos que necesitamos\u00a0<em>backupear<\/em>\u00a0los permisos de\u00a0<code>\/var\/www\/html\/misitio<\/code>, podemos hacer simplemente:<\/p>\n<pre class=\"wp-block-code\"><code>getfacl -pR \/var\/www\/html\/misitio &gt; misitio.acl ## importante no poner la &#039;\/&#039; final<\/code><\/pre>\n<p>El modificador <strong>-p<\/strong> no recorta la <strong>&#8216;\/&#8217; <\/strong>incial, para que el backup incluya la ruta absoluta. De esta forma no importa desde donde restauremos los permisos, simplemente desde donde guardamos el backup hacemos<\/p>\n<pre class=\"wp-block-code\"><code>sudo setfacl --restore=misitio.acl<\/code><\/pre>\n<p>y tendremos restaurados los permisos.<\/p>","protected":false},"excerpt":{"rendered":"<p>En Linux disponemos de un sistema avanzado de gesti\u00f3n de privilegios, denominado\u00a0ACL, o\u00a0listas de control de acceso. Con el comando ls -l \/etc\/passwd podemos conocer entre otras cosas los permisos del archivo de sistema \/etc\/passwd. Podemos extraer informaci\u00f3n de los permisos con el comando getfacl y guardarlos en un archivo de respaldo. Si ademas usamos [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"on","ocean_gallery_id":[],"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1421","post","type-post","status-publish","format-standard","hentry","category-linux","entry"],"_links":{"self":[{"href":"https:\/\/blog.galsoft.com.ar\/index.php?rest_route=\/wp\/v2\/posts\/1421","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.galsoft.com.ar\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.galsoft.com.ar\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.galsoft.com.ar\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.galsoft.com.ar\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1421"}],"version-history":[{"count":2,"href":"https:\/\/blog.galsoft.com.ar\/index.php?rest_route=\/wp\/v2\/posts\/1421\/revisions"}],"predecessor-version":[{"id":1423,"href":"https:\/\/blog.galsoft.com.ar\/index.php?rest_route=\/wp\/v2\/posts\/1421\/revisions\/1423"}],"wp:attachment":[{"href":"https:\/\/blog.galsoft.com.ar\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1421"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.galsoft.com.ar\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1421"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.galsoft.com.ar\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1421"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}