{"id":159,"date":"2026-02-16T09:38:10","date_gmt":"2026-02-16T12:38:10","guid":{"rendered":"https:\/\/rdconsolo.com.br\/?p=159"},"modified":"2026-02-16T09:38:10","modified_gmt":"2026-02-16T12:38:10","slug":"criar-particao-swap-no-ubuntu-server-24-04","status":"publish","type":"post","link":"https:\/\/rdconsolo.com.br\/?p=159","title":{"rendered":"Criar parti\u00e7\u00e3o SWAP no Ubuntu Server 24.04"},"content":{"rendered":"\n<p>Vamos usar a forma mais comum e pr\u00e1tica usando um arquivo swap:<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Criar Swap usando arquivo<\/h2>\n\n\n\n<p><strong>1. Verifique se j\u00e1 existe swap:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">sudo swapon --show\nfree -h\n<\/code><\/pre>\n\n\n\n<p><strong>2. Crie o arquivo swap (exemplo com 2GB):<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">sudo fallocate -l 2G \/swapfile\n<\/code><\/pre>\n\n\n\n<p><strong>3. Defina as permiss\u00f5es corretas:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">sudo chmod 600 \/swapfile\n<\/code><\/pre>\n\n\n\n<p><strong>4. Configure como \u00e1rea de swap:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">sudo mkswap \/swapfile\n<\/code><\/pre>\n\n\n\n<p><strong>5. Ative o swap:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">sudo swapon \/swapfile\n<\/code><\/pre>\n\n\n\n<p><strong>6. Verifique se est\u00e1 ativo:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">sudo swapon --show\nfree -h\n<\/code><\/pre>\n\n\n\n<p><strong>7. Torne permanente (sobrevive a reinicializa\u00e7\u00f5es):<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\">echo '\/swapfile none swap sw 0 0' | sudo tee -a \/etc\/fstab\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">Ajustes opcionais de desempenho<\/h2>\n\n\n\n<p><strong>Configurar swappiness (controla quando usar swap):<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code class=\"\"># Ver valor atual\ncat \/proc\/sys\/vm\/swappiness\n\n# Definir para 10 (usa swap menos agressivamente)\nsudo sysctl vm.swappiness=10\n\n# Tornar permanente\necho 'vm.swappiness=10' | sudo tee -a \/etc\/sysctl.conf\n<\/code><\/pre>\n\n\n\n<p><strong>Tamanho recomendado de swap:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>RAM \u2264 2GB: 2x o tamanho da RAM<\/li>\n\n\n\n<li>RAM 2-8GB: igual ao tamanho da RAM<\/li>\n\n\n\n<li>RAM > 8GB: pelo menos 4GB (ou mais se usar hiberna\u00e7\u00e3o)<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Vamos usar a forma mais comum e pr\u00e1tica usando um arquivo swap: Criar Swap usando arquivo 1. Verifique se j\u00e1 existe swap: 2. Crie o arquivo swap (exemplo com 2GB): 3. Defina as permiss\u00f5es corretas: 4. Configure como \u00e1rea de swap: 5. Ative o swap: 6. Verifique se est\u00e1 ativo: 7. Torne permanente (sobrevive a &hellip; <a href=\"https:\/\/rdconsolo.com.br\/?p=159\" class=\"more-link\">Continue lendo<span class=\"screen-reader-text\"> &#8220;Criar parti\u00e7\u00e3o SWAP no Ubuntu Server 24.04&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[18],"class_list":["post-159","post","type-post","status-publish","format-standard","hentry","category-devops","tag-ubuntu"],"_links":{"self":[{"href":"https:\/\/rdconsolo.com.br\/index.php?rest_route=\/wp\/v2\/posts\/159","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rdconsolo.com.br\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rdconsolo.com.br\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rdconsolo.com.br\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rdconsolo.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=159"}],"version-history":[{"count":1,"href":"https:\/\/rdconsolo.com.br\/index.php?rest_route=\/wp\/v2\/posts\/159\/revisions"}],"predecessor-version":[{"id":160,"href":"https:\/\/rdconsolo.com.br\/index.php?rest_route=\/wp\/v2\/posts\/159\/revisions\/160"}],"wp:attachment":[{"href":"https:\/\/rdconsolo.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=159"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rdconsolo.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=159"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rdconsolo.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=159"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}