{"id":2165,"date":"2025-12-24T16:34:14","date_gmt":"2025-12-24T19:34:14","guid":{"rendered":"https:\/\/helpsysadmin.com.br\/blog\/?p=2165"},"modified":"2025-12-24T16:36:24","modified_gmt":"2025-12-24T19:36:24","slug":"common-mistakes-when-managing-hosting-servers","status":"publish","type":"post","link":"https:\/\/helpsysadmin.com.br\/blog\/en\/common-mistakes-when-managing-hosting-servers\/","title":{"rendered":"Common mistakes when managing hosting servers."},"content":{"rendered":"<div id=\"helps-2660877896\" class=\"helps-before-content-2 helps-entity-placement\"><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-3661896953164277\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<!-- 2anuncios display quadrado -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-3661896953164277\"\r\n     data-ad-slot=\"5051229894\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/div>\n<p class=\"wp-block-paragraph\">Here are some common mistakes when managing hosting servers, focusing on <a href=\"https:\/\/helpsysadmin.com.br\/blog\/como-instalar-crowdsec\/\" data-internallinksmanager029f6b8e52c=\"1\" title=\"Como instalar Crowdsec\" target=\"_blank\" rel=\"noopener\">Linux<\/a>, Dedicated, VPS, and production server environments \u2014 well-suited for those who work with WordPress, DirectAdmin, and cPanel.\u2601\ufe0f<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-common-mistakes-when-managing-hosting-servers\">\u274c Common mistakes when managing hosting servers.<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-1-not-implementing-an-efficient-backup-policy\">1. Not implementing an efficient backup policy<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">One of the most serious mistakes is relying solely on local backups or not having backups at all.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Common errors:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Backups on the same disk as the server<\/li>\n\n\n\n<li>Backups without restore tests<\/li>\n\n\n\n<li>Manual and non-automated backups<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Best practice:<\/strong><br>Utilize automatic, versioned backups stored off-server (S3, external FTP, remote rsync).<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-2-keeping-the-server-outdated\">2. Keeping the Server Outdated<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ignoring security updates for the operating system, PHP, database, or control panels is a huge risk.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Impacts:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Exploitable vulnerabilities<\/li>\n\n\n\n<li>Compatibility flaws<\/li>\n\n\n\n<li>Unexpected service outages<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Best practice:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Set maintenance windows and keep the following updated:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Kernel<\/li>\n\n\n\n<li>OpenSSL<\/li>\n\n\n\n<li>PHP \/ MariaDB<\/li>\n\n\n\n<li>Control Panel (DirectAdmin \/ cPanel)<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-incorrect-file-permissions-configuration\">Incorrect file permissions configuration<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Incorrect permissions are a gateway for attacks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Common errors:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Using 777 for files and folders<\/li>\n\n\n\n<li>Running services as root<\/li>\n\n\n\n<li>Lack of isolation between users<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Best practice:<\/strong><br>Use the correct permissions (755, 644), PHP-FPM with separate users, and resources like CageFS (CloudLinux).<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-4-ignoring-resource-monitoring\">4. Ignoring resource monitoring<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Managing based on guesswork leads to delays and unexpected setbacks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Common problems:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>CPU at 100% without alerts<\/li>\n\n\n\n<li>Lack of I\/O monitoring<\/li>\n\n\n\n<li>Uncontrolled memory swapping<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Best practice:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Implement monitoring with:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Netdata<\/li>\n\n\n\n<li>Zabbix<\/li>\n\n\n\n<li>Grafana<\/li>\n\n\n\n<li>Email or Telegram alerts<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-5-inadequate-security-configuration\">5. Inadequate security configuration<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Relying solely on a basic firewall is a classic mistake.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Common mistakes:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Open SSH access to the world<\/li>\n\n\n\n<li>Unprotected port 22<\/li>\n\n\n\n<li>Lack of <a href=\"https:\/\/helpsysadmin.com.br\/blog\/fail2ban-vs-crowdsec-em-producao\/\" data-internallinksmanager029f6b8e52c=\"4\" title=\"Fail2Ban vs CrowdSec em Produ\u00e7\u00e3o: Qual \u00e9 a Melhor Solu\u00e7\u00e3o de Seguran\u00e7a para Servidores Linux?\" target=\"_blank\" rel=\"noopener\">Fail2Ban<\/a> or <a href=\"https:\/\/helpsysadmin.com.br\/blog\/como-instalar-crowdsec\/\" data-internallinksmanager029f6b8e52c=\"2\" title=\"CrowdSec\" target=\"_blank\" rel=\"noopener\">CrowdSec<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Best practices:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Change SSH port<\/li>\n\n\n\n<li>Use key-based authentication<\/li>\n\n\n\n<li>Implement Firewall + IDS (iptables\/nftables + <a href=\"https:\/\/helpsysadmin.com.br\/blog\/como-instalar-crowdsec\/\" data-internallinksmanager029f6b8e52c=\"2\" title=\"CrowdSec\" target=\"_blank\" rel=\"noopener\">CrowdSec<\/a>)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-6-not-optimizing-the-database\">6. Not optimizing the database.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Poorly configured MariaDB\/MySQL causes huge bottlenecks, especially in WordPress.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Common errors:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>default innodb_buffer_pool_size<\/li>\n\n\n\n<li>Slow query logs disabled<\/li>\n\n\n\n<li>Too many simultaneous connections without limit<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Best practice:<\/strong><br>Adjust the database according to the server hardware and access volume.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-7-underestimating-the-impact-of-traffic\">7. Underestimating the impact of traffic<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Many administrators only realize the problem when the server crashes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Common mistakes:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Not using cache<\/li>\n\n\n\n<li>Not having a CDN<\/li>\n\n\n\n<li>Not limiting connections<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Best practice:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Use:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Cache (Redis, OPcache)<\/li>\n\n\n\n<li>CDN (Cloudflare)<\/li>\n\n\n\n<li>Rate limit in Nginx\/Apache<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-8-failure-to-document-changes\">8. Failure to document changes<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Changes made &#8220;on the fly&#8221; become a nightmare later.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Consequences:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Difficulty in troubleshooting<\/li>\n\n\n\n<li>Repeated errors<\/li>\n\n\n\n<li>Dependence on a single person<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Best practice:<\/strong><br><strong>Document:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>System changes<\/li>\n\n\n\n<li>Updates<\/li>\n\n\n\n<li>Scripts and automations<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-9-over-relying-on-pre-written-scripts\">9. Over-relying on pre-written scripts<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">&#8220;Automatic tuning&#8221; scripts can worsen the situation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Risks:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Incompatible configurations<\/li>\n\n\n\n<li>Memory overcommitment<\/li>\n\n\n\n<li>Silent failures<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Best practices:<\/strong><br>Understand what the script does before running it, especially in production.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-10-not-testing-before-putting-into-production\">10. Not testing before putting into production.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Direct changes in production are a classic mistake.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Common mistakes:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Updating PHP without testing websites<\/li>\n\n\n\n<li>Changing my.cnf without restarting services in a controlled manner<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Best practice:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Whenever possible:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Test in staging environment<\/li>\n\n\n\n<li>Take snapshots before critical changes<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"h-conclusion\">\ud83d\udccc Conclusion<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Managing web hosting servers requires <strong>planning, monitoring, and good security practices<\/strong>. Avoiding these mistakes drastically reduces failures, attacks, and data loss.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Here are some common mistakes when managing hosting servers, focusing on Linux, Dedicated, VPS, and production server environments \u2014 well-suited for those [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2147,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1206,1209,1204],"tags":[],"class_list":["post-2165","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux","category-security","category-server-management"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Common mistakes when managing hosting servers. - Blog HelpSysAdmin<\/title>\n<meta name=\"description\" content=\"Here are some common mistakes when managing hosting servers, focusing on Linux, Dedicated, VPS, and production server environments\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/helpsysadmin.com.br\/blog\/en\/common-mistakes-when-managing-hosting-servers\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Common mistakes when managing hosting servers.\" \/>\n<meta property=\"og:description\" content=\"Here are some common mistakes when managing hosting servers, focusing on Linux, Dedicated, VPS, and production server environments\" \/>\n<meta property=\"og:url\" content=\"https:\/\/helpsysadmin.com.br\/blog\/en\/common-mistakes-when-managing-hosting-servers\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog HelpSysAdmin\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-24T19:34:14+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-24T19:36:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2025\/12\/servidores.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"617\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"HelpSysAdmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@brhelpsysad\" \/>\n<meta name=\"twitter:site\" content=\"@brhelpsysad\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/en\\\/common-mistakes-when-managing-hosting-servers\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/en\\\/common-mistakes-when-managing-hosting-servers\\\/\"},\"author\":{\"name\":\"HelpSysAdmin\",\"@id\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/#\\\/schema\\\/person\\\/bdbe3d7d71a0c6a3cb474c18da574efb\"},\"headline\":\"Common mistakes when managing hosting servers.\",\"datePublished\":\"2025-12-24T19:34:14+00:00\",\"dateModified\":\"2025-12-24T19:36:24+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/en\\\/common-mistakes-when-managing-hosting-servers\\\/\"},\"wordCount\":479,\"publisher\":{\"@id\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/en\\\/common-mistakes-when-managing-hosting-servers\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\/\\/helpsysadmin.com.br\\/blog\\/wp-content\\/uploads\\/2025\\/12\\/servidores.png\",\"articleSection\":[\"Linux\",\"Security\",\"server management\"],\"inLanguage\":\"pt-BR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/en\\\/common-mistakes-when-managing-hosting-servers\\\/\",\"url\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/en\\\/common-mistakes-when-managing-hosting-servers\\\/\",\"name\":\"Common mistakes when managing hosting servers. - 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