{"id":8968,"date":"2023-02-15T11:20:21","date_gmt":"2023-02-15T14:20:21","guid":{"rendered":"https:\/\/categoriaoutros.com.br\/?p=8968"},"modified":"2023-02-15T11:41:02","modified_gmt":"2023-02-15T14:41:02","slug":"linux-como-ver-e-alterar-o-nome-da-maquinahostname","status":"publish","type":"post","link":"https:\/\/categoriaoutros.com.br\/?p=8968","title":{"rendered":"Linux: Como Ver e Alterar O Nome da M\u00e1quina(hostname)?"},"content":{"rendered":"\n<p>Apesar do t\u00edtulo da p\u00e1gina esta Nome de M\u00e1quina, sugiro sempre chamar de nome de host ou hostname; pois esse \u00e9 o <strong>nome dns do sistema<\/strong>.  <\/p>\n\n\n\n<p>N\u00e3o confunda hostname com NetBios. H\u00e1 um artigo onde informo a diferen\u00e7a entre nome de host(hostname) e NetBios:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>O que chamamos de \u201cNome do Computador\u201d na verdade \u00e9 o NetBios. Sim, o nome t\u00e9cnico para o \u201cnome do computador\u201d \u00e9 NetBIOS.&nbsp;<strong>NetBIOS<\/strong>&nbsp;\u00e9 uma abrevia\u00e7\u00e3o de&nbsp;<strong>Network Basic Input\/Output System<\/strong>&nbsp;e \u00e9 usado por programas para se comunicar em uma rede local (LAN).<\/p><p>Hostname(nome do host) \u00e9 diferente do nome Netbios. Um hostname \u00e9 algo mais recente e \u00e9 usado pelo DNS. j\u00e1 o NetBios \u00e9 mais antigo e usado somente quando n\u00e3o h\u00e1 resolu\u00e7\u00e3o de nomes pelo DNS, ou seja, se o hostname n\u00e3o funciona ent\u00e3o o NetBios pode estar sendo usado.<\/p><cite><a href=\"https:\/\/categoriaoutros.com.br\/?p=5695#:~:text=O%20que%20chamamos%20de%20%E2%80%9CNome%20do%20Computador%E2%80%9D%20na%20verdade%20%C3%A9%20o%20NetBios.%20Sim%2C%20o%20nome%20t%C3%A9cnico%20para%20o%20%E2%80%9Cnome%20do%20computador%E2%80%9D%20%C3%A9%20NetBIOS.%20NetBIOS%20%C3%A9%20uma%20abrevia%C3%A7%C3%A3o%20de%20Network%20Basic%20Input\/Output%20System%20e%20%C3%A9%20usado%20por%20programas%20para%20se%20comunicar%20em%20uma%20rede%20local%20(LAN).\">categoriaoutros<\/a><\/cite><\/blockquote>\n\n\n\n<p>Hoje em dia, por ser o NetBios algo antigo, muitos usu\u00e1rios dizem hostname como sendo o nome dad m\u00e1quina. isso virou algo comum.<\/p>\n\n\n\n<p>Bom, voltando ao tema, iremos aprender como ver e alterar o hostname no Linux.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Vendo Qual o Nome do Host(hostname) no Linux<\/h2>\n\n\n\n<p>H\u00e1 diversas formas de saber qual o nome do host no Linux. <\/p>\n\n\n\n<p>#1 Usando o comando hostaname<\/p>\n\n\n\n<p>Veja abaixo que o nome do host \u00e9 oracle86<\/p>\n\n\n\n<pre>[root@oracle86 ~]# hostname \noracle86<\/pre>\n\n\n\n<p>#2 Vendo o conte\u00fado de \/etc\/hostname com cat<\/p>\n\n\n\n<pre>[root@oracle86B ~]# cat \/etc\/hostname\noracle86B\n<\/pre>\n\n\n\n<p>O hostname acima \u00e9 oracle86B<\/p>\n\n\n\n<p>#3 usando o comando hostnamectl<\/p>\n\n\n\n<pre>[root@oracle86B ~]# hostnamectl\n   Static hostname: oracle86B\n         Icon name: computer-vm\n           Chassis: vm\n        Machine ID: 33277840a6ff4e74a3aab8b5a80d5e51\n           Boot ID: 56c4bffc0fe748b1b6c19c6a5a567786\n    Virtualization: oracle\n  Operating System: Oracle Linux Server 8.6\n       CPE OS Name: cpe:\/o:oracle:linux:8:6:server\n            Kernel: Linux 5.4.17-2136.307.3.1.el8uek.x86_64\n      Architecture: x86-64<\/pre>\n\n\n\n<p>O nome do host vemos em &#8220;Static hostname: oracle86B&#8221;<\/p>\n\n\n\n<p><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Alterando o Nome do Host(hostname) no Linux<\/h2>\n\n\n\n<p>Podemos alterar usando diversas ferramentas.<\/p>\n\n\n\n<p><mark style=\"background-color:#abb8c3\" class=\"has-inline-color\"><strong>#1 Alterando o nome de host pelo arquivo \/etc\/hostname<\/strong><\/mark><\/p>\n\n\n\n<p>acessando o arquivo \/etc\/hostname e alterando o nome. Temos que reiniciar o PC ap\u00f3s isso.<\/p>\n\n\n\n<p>Podemos usar editores como nano, vi ou vim. <\/p>\n\n\n\n<pre>[root@oracle86B ~]# nano \/etc\/hostname<\/pre>\n\n\n\n<p>e agora altere oracle86B para o novo hosname<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">oracle86B02<\/pre>\n\n\n\n<p><strong><mark style=\"background-color:#abb8c3\" class=\"has-inline-color\">#2 Alterando com a Ferramenta nmtui do NetworkManager.<\/mark><\/strong><\/p>\n\n\n\n<p>Se estiver usando o NetworkManager para gerenciar sua rede ent\u00e3o ter\u00e1 dispon\u00edvel a ferramenta nmtui. Ela \u00e9 executada no terminal mas tem uma interface que possibilita o uso das setas do teclado.<\/p>\n\n\n\n<p>Digite nmtui e tecle Enter:<\/p>\n\n\n\n<pre>[root@oracle86 ~]# nmtui<\/pre>\n\n\n\n<p>aparecer\u00e1 essa janela<\/p>\n\n\n\n<pre><span style=\"background-color:#12488B\"><font color=\"#FFFFFF\">                               <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\">\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524 <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#C01C28\">NetworkManager TUI<\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\"> \u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<\/font><\/span>\n<span style=\"background-color:#12488B\"><font color=\"#FFFFFF\">                               <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\">\u2502                                    \u2502<\/font><\/span><span style=\"background-color:#171421\"><font color=\"#FFFFFF\"> <\/font><\/span>\n<span style=\"background-color:#12488B\"><font color=\"#FFFFFF\">                               <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\">\u2502 <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#12488B\">Por favor selecione uma op\u00e7\u00e3o<\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\">      \u2502<\/font><\/span><span style=\"background-color:#171421\"><font color=\"#FFFFFF\"> <\/font><\/span>\n<span style=\"background-color:#12488B\"><font color=\"#FFFFFF\">                               <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\">\u2502                                    \u2502<\/font><\/span><span style=\"background-color:#171421\"><font color=\"#FFFFFF\"> <\/font><\/span>\n<span style=\"background-color:#12488B\"><font color=\"#FFFFFF\">                               <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\">\u2502 Editar uma conex\u00e3o                 \u2502<\/font><\/span><span style=\"background-color:#171421\"><font color=\"#FFFFFF\"> <\/font><\/span>\n<span style=\"background-color:#12488B\"><font color=\"#FFFFFF\">                               <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\">\u2502 Ativar uma conex\u00e3o                 \u2502<\/font><\/span><span style=\"background-color:#171421\"><font color=\"#FFFFFF\"> <\/font><\/span>\n<span style=\"background-color:#12488B\"><font color=\"#FFFFFF\">                               <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\">\u2502 <\/font><\/span><span style=\"background-color:#C01C28\"><font color=\"#D0CFCC\">Definir nome de m\u00e1quina do sistema<\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\"> \u2502<\/font><\/span><span style=\"background-color:#171421\"><font color=\"#FFFFFF\"> <\/font><\/span>\n<span style=\"background-color:#12488B\"><font color=\"#FFFFFF\">                               <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\">\u2502                                    \u2502<\/font><\/span><span style=\"background-color:#171421\"><font color=\"#FFFFFF\"> <\/font><\/span>\n<span style=\"background-color:#12488B\"><font color=\"#FFFFFF\">                               <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\">\u2502 Cancelar                           \u2502<\/font><\/span><span style=\"background-color:#171421\"><font color=\"#FFFFFF\"> <\/font><\/span>\n<span style=\"background-color:#12488B\"><font color=\"#FFFFFF\">                               <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\">\u2502                                    \u2502<\/font><\/span><span style=\"background-color:#171421\"><font color=\"#FFFFFF\"> <\/font><\/span>\n<span style=\"background-color:#12488B\"><font color=\"#FFFFFF\">                               <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\">\u2502                               &lt;OK&gt; \u2502<\/font><\/span><span style=\"background-color:#171421\"><font color=\"#FFFFFF\"> <\/font><\/span>\n<span style=\"background-color:#12488B\"><font color=\"#FFFFFF\">                               <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\">\u2502                                    \u2502<\/font><\/span><span style=\"background-color:#171421\"><font color=\"#FFFFFF\"> <\/font><\/span>\n<span style=\"background-color:#12488B\"><font color=\"#FFFFFF\">                               <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\">\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/font><\/span><span style=\"background-color:#171421\"><font color=\"#FFFFFF\"> <\/font><\/span>\n<span style=\"background-color:#12488B\"><font color=\"#FFFFFF\">                                <\/font><\/span><span style=\"background-color:#171421\"><font color=\"#FFFFFF\">                                      <\/font><\/span>\n\n\n<\/pre>\n\n\n\n<p>tecle seta para baixo at\u00e9 selecionar &#8220;<strong>Definir nome de m\u00e1quina do sistema<\/strong>&#8221; e tecle enter<\/p>\n\n\n\n<p>Agora \u00e9 alterar o nome do host, selcionar OK e teclar Enter.<\/p>\n\n\n\n<pre><span style=\"background-color:#12488B\"><font color=\"#FFFFFF\">                    <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\">\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524 <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#C01C28\">Definir nome de m\u00e1quina<\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\"> \u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<\/font><\/span>\n<span style=\"background-color:#12488B\"><font color=\"#FFFFFF\">                    <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\">\u2502                                                          \u2502<\/font><\/span><span style=\"background-color:#171421\"><font color=\"#FFFFFF\"> <\/font><\/span>\n<span style=\"background-color:#12488B\"><font color=\"#FFFFFF\">                    <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\">\u2502 <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#12488B\">Nome de m\u00e1quina<\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\"> <\/font><\/span><span style=\"background-color:#12488B\"><font color=\"#D0CFCC\">oracle86________________________________<\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\"> \u2502<\/font><\/span><span style=\"background-color:#171421\"><font color=\"#FFFFFF\"> <\/font><\/span>\n<span style=\"background-color:#12488B\"><font color=\"#FFFFFF\">                    <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\">\u2502                                                          \u2502<\/font><\/span><span style=\"background-color:#171421\"><font color=\"#FFFFFF\"> <\/font><\/span>\n<span style=\"background-color:#12488B\"><font color=\"#FFFFFF\">                    <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\">\u2502                                          &lt;Cancelar&gt; &lt;OK&gt; \u2502<\/font><\/span><span style=\"background-color:#171421\"><font color=\"#FFFFFF\"> <\/font><\/span>\n<span style=\"background-color:#12488B\"><font color=\"#FFFFFF\">                    <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\">\u2502                                                          \u2502<\/font><\/span><span style=\"background-color:#171421\"><font color=\"#FFFFFF\"> <\/font><\/span>\n<span style=\"background-color:#12488B\"><font color=\"#FFFFFF\">                    <\/font><\/span><span style=\"background-color:#D0CFCC\"><font color=\"#171421\">\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/font><\/span><span style=\"background-color:#171421\"><font color=\"#FFFFFF\"> <\/font><\/span>\n<span style=\"background-color:#12488B\"><font color=\"#FFFFFF\">                     <\/font><\/span><span style=\"background-color:#171421\"><font color=\"#FFFFFF\">                                                            <\/font><\/span>\n<\/pre>\n\n\n\n<p><mark style=\"background-color:#abb8c3\" class=\"has-inline-color\"><strong>#3 Alterando o nome de host usando hostnamectl<\/strong><\/mark> <\/p>\n\n\n\n<p>Se quisermos alterar de oracle86 para meuDebian podemos fazer: <strong>hostnamectl set-hostname meuDebian<\/strong><\/p>\n\n\n\n<pre>[root@oracle86 ~]# hostnamectl set-hostname meuDebian<\/pre>\n\n\n\n<p>Essa mudan\u00e7a ser\u00e1 aplicada automaticamente, na mesma hora e n\u00e3o se perde ao reiniciar o computador.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Apesar do t\u00edtulo da p\u00e1gina esta Nome de M\u00e1quina, sugiro sempre chamar de nome de host ou hostname; pois esse \u00e9 o nome dns do sistema. N\u00e3o confunda hostname com NetBios. H\u00e1 um artigo onde informo a diferen\u00e7a entre nome de host(hostname) e NetBios: O que chamamos de \u201cNome do Computador\u201d na verdade \u00e9 o&#8230;<\/p>\n<p class=\"more-link-wrap\"><a href=\"https:\/\/categoriaoutros.com.br\/?p=8968\" class=\"more-link\">Read More<span class=\"screen-reader-text\"> &ldquo;Linux: Como Ver e Alterar O Nome da M\u00e1quina(hostname)?&rdquo;<\/span> &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16,2918],"tags":[3780,3779,3778,3781,3782,3145],"class_list":["post-8968","post","type-post","status-publish","format-standard","hentry","category-informatica-dicas","category-linux","tag-etc-hostname","tag-hostnamectl","tag-linux-hostname","tag-nmtui","tag-nmtui-hostname","tag-nome-do-host"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Linux: Como Ver e Alterar O Nome da M\u00e1quina(hostname)? - Categoria Outros<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/categoriaoutros.com.br\/?p=8968\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Linux: Como Ver e Alterar O Nome da M\u00e1quina(hostname)? - Categoria Outros\" \/>\n<meta property=\"og:description\" content=\"Apesar do t\u00edtulo da p\u00e1gina esta Nome de M\u00e1quina, sugiro sempre chamar de nome de host ou hostname; pois esse \u00e9 o nome dns do sistema. 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